src/audio/SDL_audiotypecvt.c
author Sam Lantinga <slouken@libsdl.org>
Mon, 28 Aug 2006 03:17:39 +0000
changeset 1985 8055185ae4ed
parent 1982 3b4ce57c6215
child 2011 b2b7154ce016
permissions -rw-r--r--
Added source color and alpha modulation support. Added perl script to generate optimized render copy functions.
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/* DO NOT EDIT!  This file is generated by sdlgenaudiocvt.pl */
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#include "SDL_audio.h"
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#include "SDL_audio_c.h"
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/* *INDENT-OFF* */
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#define DIVBY127 0.0078740157480315f
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#define DIVBY255 0.00392156862745098f
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#define DIVBY32767 3.05185094759972e-05f
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#define DIVBY65535 1.52590218966964e-05f
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#define DIVBY2147483647 4.6566128752458e-10f
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static void SDLCALL
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SDL_Convert_U8_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format)
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{
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    int i;
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    const Uint8 *src;
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    Sint8 *dst;
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#ifdef DEBUG_CONVERT
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    fprintf(stderr, "Converting AUDIO_U8 to AUDIO_S8.\n");
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#endif
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    src = (const Uint8 *) cvt->buf;
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    dst = (Sint8 *) cvt->buf;
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    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, ++src, ++dst) {
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        const Sint8 val = ((*src) ^ 0x80);
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        *dst = ((Sint8) val);
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    }
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    format = AUDIO_S8;
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    if (cvt->filters[++cvt->filter_index]) {
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        cvt->filters[cvt->filter_index] (cvt, format);
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    }
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}
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static void SDLCALL
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SDL_Convert_U8_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
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{
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    int i;
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    const Uint8 *src;
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    Uint16 *dst;
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#ifdef DEBUG_CONVERT
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    fprintf(stderr, "Converting AUDIO_U8 to AUDIO_U16LSB.\n");
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#endif
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    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
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    dst = (Uint16 *) (cvt->buf + cvt->len_cvt * 2);
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    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
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        const Uint16 val = (((Uint16) *src) << 8);
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        *dst = SDL_SwapLE16(val);
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    }
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    cvt->len_cvt *= 2;
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    format = AUDIO_U16LSB;
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    if (cvt->filters[++cvt->filter_index]) {
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        cvt->filters[cvt->filter_index] (cvt, format);
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    }
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}
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static void SDLCALL
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SDL_Convert_U8_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
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{
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    int i;
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    const Uint8 *src;
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    Sint16 *dst;
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#ifdef DEBUG_CONVERT
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    fprintf(stderr, "Converting AUDIO_U8 to AUDIO_S16LSB.\n");
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#endif
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    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
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    dst = (Sint16 *) (cvt->buf + cvt->len_cvt * 2);
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    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
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        const Sint16 val = (((Sint16) ((*src) ^ 0x80)) << 8);
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        *dst = ((Sint16) SDL_SwapLE16(val));
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    }
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    cvt->len_cvt *= 2;
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    format = AUDIO_S16LSB;
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    if (cvt->filters[++cvt->filter_index]) {
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        cvt->filters[cvt->filter_index] (cvt, format);
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    }
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}
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static void SDLCALL
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SDL_Convert_U8_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
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{
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    int i;
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    const Uint8 *src;
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    Uint16 *dst;
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#ifdef DEBUG_CONVERT
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    fprintf(stderr, "Converting AUDIO_U8 to AUDIO_U16MSB.\n");
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#endif
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    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
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    dst = (Uint16 *) (cvt->buf + cvt->len_cvt * 2);
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    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
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        const Uint16 val = (((Uint16) *src) << 8);
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        *dst = SDL_SwapBE16(val);
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    }
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    cvt->len_cvt *= 2;
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    format = AUDIO_U16MSB;
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    if (cvt->filters[++cvt->filter_index]) {
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        cvt->filters[cvt->filter_index] (cvt, format);
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   132
    }
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   133
}
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static void SDLCALL
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SDL_Convert_U8_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
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{
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    int i;
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   139
    const Uint8 *src;
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   140
    Sint16 *dst;
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   141
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   142
#ifdef DEBUG_CONVERT
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    fprintf(stderr, "Converting AUDIO_U8 to AUDIO_S16MSB.\n");
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#endif
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   145
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    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
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    dst = (Sint16 *) (cvt->buf + cvt->len_cvt * 2);
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    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
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   149
        const Sint16 val = (((Sint16) ((*src) ^ 0x80)) << 8);
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        *dst = ((Sint16) SDL_SwapBE16(val));
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   151
    }
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   152
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   153
    cvt->len_cvt *= 2;
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   154
    format = AUDIO_S16MSB;
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   155
    if (cvt->filters[++cvt->filter_index]) {
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   156
        cvt->filters[cvt->filter_index] (cvt, format);
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   157
    }
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   158
}
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   159
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   160
static void SDLCALL
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   161
SDL_Convert_U8_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
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{
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   163
    int i;
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   164
    const Uint8 *src;
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   165
    Sint32 *dst;
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   166
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   167
#ifdef DEBUG_CONVERT
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   168
    fprintf(stderr, "Converting AUDIO_U8 to AUDIO_S32LSB.\n");
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diff changeset
   169
#endif
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   170
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   171
    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
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    dst = (Sint32 *) (cvt->buf + cvt->len_cvt * 4);
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   173
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
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   174
        const Sint32 val = (((Sint32) ((*src) ^ 0x80)) << 24);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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   175
        *dst = ((Sint32) SDL_SwapLE32(val));
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   176
    }
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   177
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   178
    cvt->len_cvt *= 4;
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   179
    format = AUDIO_S32LSB;
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   180
    if (cvt->filters[++cvt->filter_index]) {
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   181
        cvt->filters[cvt->filter_index] (cvt, format);
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   182
    }
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   183
}
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   185
static void SDLCALL
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   186
SDL_Convert_U8_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
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   187
{
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   188
    int i;
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   189
    const Uint8 *src;
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   190
    Sint32 *dst;
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   191
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   192
#ifdef DEBUG_CONVERT
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   193
    fprintf(stderr, "Converting AUDIO_U8 to AUDIO_S32MSB.\n");
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diff changeset
   194
#endif
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   195
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   196
    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
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   197
    dst = (Sint32 *) (cvt->buf + cvt->len_cvt * 4);
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diff changeset
   198
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   199
        const Sint32 val = (((Sint32) ((*src) ^ 0x80)) << 24);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   200
        *dst = ((Sint32) SDL_SwapBE32(val));
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diff changeset
   201
    }
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   202
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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   203
    cvt->len_cvt *= 4;
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   204
    format = AUDIO_S32MSB;
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diff changeset
   205
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   206
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   207
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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   208
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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   209
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   210
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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   211
SDL_Convert_U8_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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   212
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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   213
    int i;
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   214
    const Uint8 *src;
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diff changeset
   215
    float *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   216
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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   217
#ifdef DEBUG_CONVERT
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parents:
diff changeset
   218
    fprintf(stderr, "Converting AUDIO_U8 to AUDIO_F32LSB.\n");
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parents:
diff changeset
   219
#endif
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   220
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   221
    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   222
    dst = (float *) (cvt->buf + cvt->len_cvt * 4);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   223
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   224
        const float val = (((float) *src) * DIVBY255);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   225
        *dst = SDL_SwapFloatLE(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   226
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   227
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   228
    cvt->len_cvt *= 4;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   229
    format = AUDIO_F32LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   230
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   231
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   232
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   233
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   234
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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   235
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   236
SDL_Convert_U8_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   237
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   238
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   239
    const Uint8 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   240
    float *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   241
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   242
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   243
    fprintf(stderr, "Converting AUDIO_U8 to AUDIO_F32MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   244
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   245
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   246
    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   247
    dst = (float *) (cvt->buf + cvt->len_cvt * 4);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   248
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   249
        const float val = (((float) *src) * DIVBY255);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   250
        *dst = SDL_SwapFloatBE(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   251
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   252
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   253
    cvt->len_cvt *= 4;
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    format = AUDIO_F32MSB;
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   255
    if (cvt->filters[++cvt->filter_index]) {
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        cvt->filters[cvt->filter_index] (cvt, format);
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diff changeset
   257
    }
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   258
}
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   259
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static void SDLCALL
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   261
SDL_Convert_S8_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format)
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{
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   263
    int i;
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   264
    const Uint8 *src;
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   265
    Uint8 *dst;
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   266
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   267
#ifdef DEBUG_CONVERT
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   268
    fprintf(stderr, "Converting AUDIO_S8 to AUDIO_U8.\n");
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   269
#endif
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    src = (const Uint8 *) cvt->buf;
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    dst = (Uint8 *) cvt->buf;
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   273
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, ++src, ++dst) {
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   274
        const Uint8 val = ((((Sint8) *src)) ^ 0x80);
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        *dst = val;
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diff changeset
   276
    }
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   277
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   278
    format = AUDIO_U8;
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diff changeset
   279
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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   280
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   281
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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   282
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   283
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   284
static void SDLCALL
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   285
SDL_Convert_S8_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
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   286
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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   287
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   288
    const Uint8 *src;
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diff changeset
   289
    Uint16 *dst;
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diff changeset
   290
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   291
#ifdef DEBUG_CONVERT
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diff changeset
   292
    fprintf(stderr, "Converting AUDIO_S8 to AUDIO_U16LSB.\n");
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diff changeset
   293
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   294
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   295
    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   296
    dst = (Uint16 *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   297
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   298
        const Uint16 val = (((Uint16) ((((Sint8) *src)) ^ 0x80)) << 8);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   299
        *dst = SDL_SwapLE16(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   300
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   301
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   302
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   303
    format = AUDIO_U16LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   304
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   305
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   306
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   307
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   308
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
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   309
static void SDLCALL
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   310
SDL_Convert_S8_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
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parents:
diff changeset
   311
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   312
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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diff changeset
   313
    const Uint8 *src;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   314
    Sint16 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   315
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   316
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   317
    fprintf(stderr, "Converting AUDIO_S8 to AUDIO_S16LSB.\n");
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parents:
diff changeset
   318
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   319
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   320
    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   321
    dst = (Sint16 *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   322
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   323
        const Sint16 val = (((Sint16) ((Sint8) *src)) << 8);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   324
        *dst = ((Sint16) SDL_SwapLE16(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   325
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   326
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   327
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   328
    format = AUDIO_S16LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
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parents:
diff changeset
   329
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   330
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   331
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   332
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   333
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   334
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   335
SDL_Convert_S8_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   336
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   337
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   338
    const Uint8 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   339
    Uint16 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   340
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   341
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   342
    fprintf(stderr, "Converting AUDIO_S8 to AUDIO_U16MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   343
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   344
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   345
    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   346
    dst = (Uint16 *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   347
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   348
        const Uint16 val = (((Uint16) ((((Sint8) *src)) ^ 0x80)) << 8);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   349
        *dst = SDL_SwapBE16(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   350
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   351
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   352
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   353
    format = AUDIO_U16MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   354
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   355
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   356
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   357
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   358
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   359
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   360
SDL_Convert_S8_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   361
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   362
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   363
    const Uint8 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   364
    Sint16 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   365
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   366
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   367
    fprintf(stderr, "Converting AUDIO_S8 to AUDIO_S16MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   368
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   369
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   370
    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   371
    dst = (Sint16 *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   372
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   373
        const Sint16 val = (((Sint16) ((Sint8) *src)) << 8);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   374
        *dst = ((Sint16) SDL_SwapBE16(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   375
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   376
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   377
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   378
    format = AUDIO_S16MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   379
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   380
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   381
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   382
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   383
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   384
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   385
SDL_Convert_S8_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   386
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   387
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   388
    const Uint8 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   389
    Sint32 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   390
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   391
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   392
    fprintf(stderr, "Converting AUDIO_S8 to AUDIO_S32LSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   393
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   394
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   395
    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   396
    dst = (Sint32 *) (cvt->buf + cvt->len_cvt * 4);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   397
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   398
        const Sint32 val = (((Sint32) ((Sint8) *src)) << 24);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   399
        *dst = ((Sint32) SDL_SwapLE32(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   400
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   401
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   402
    cvt->len_cvt *= 4;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   403
    format = AUDIO_S32LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   404
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   405
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   406
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   407
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   408
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   409
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   410
SDL_Convert_S8_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   411
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   412
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   413
    const Uint8 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   414
    Sint32 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   415
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   416
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   417
    fprintf(stderr, "Converting AUDIO_S8 to AUDIO_S32MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   418
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   419
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   420
    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   421
    dst = (Sint32 *) (cvt->buf + cvt->len_cvt * 4);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   422
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   423
        const Sint32 val = (((Sint32) ((Sint8) *src)) << 24);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   424
        *dst = ((Sint32) SDL_SwapBE32(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   425
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   426
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   427
    cvt->len_cvt *= 4;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   428
    format = AUDIO_S32MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   429
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   430
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   431
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   432
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   433
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   434
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   435
SDL_Convert_S8_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   436
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   437
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   438
    const Uint8 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   439
    float *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   440
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   441
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   442
    fprintf(stderr, "Converting AUDIO_S8 to AUDIO_F32LSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   443
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   444
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   445
    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   446
    dst = (float *) (cvt->buf + cvt->len_cvt * 4);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   447
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   448
        const float val = (((float) ((Sint8) *src)) * DIVBY127);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   449
        *dst = SDL_SwapFloatLE(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   450
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   451
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   452
    cvt->len_cvt *= 4;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   453
    format = AUDIO_F32LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   454
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   455
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   456
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   457
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   458
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   459
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   460
SDL_Convert_S8_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   461
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   462
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   463
    const Uint8 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   464
    float *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   465
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   466
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   467
    fprintf(stderr, "Converting AUDIO_S8 to AUDIO_F32MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   468
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   469
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   470
    src = (const Uint8 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   471
    dst = (float *) (cvt->buf + cvt->len_cvt * 4);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   472
    for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   473
        const float val = (((float) ((Sint8) *src)) * DIVBY127);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   474
        *dst = SDL_SwapFloatBE(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   475
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   476
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   477
    cvt->len_cvt *= 4;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   478
    format = AUDIO_F32MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   479
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   480
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   481
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   482
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   483
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   484
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   485
SDL_Convert_U16LSB_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   486
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   487
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   488
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   489
    Uint8 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   490
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   491
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   492
    fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_U8.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   493
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   494
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   495
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   496
    dst = (Uint8 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   497
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   498
        const Uint8 val = ((Uint8) (SDL_SwapLE16(*src) >> 8));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   499
        *dst = val;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   500
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   501
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   502
    cvt->len_cvt /= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   503
    format = AUDIO_U8;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   504
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   505
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   506
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   507
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   508
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   509
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   510
SDL_Convert_U16LSB_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   511
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   512
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   513
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   514
    Sint8 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   515
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   516
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   517
    fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_S8.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   518
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   519
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   520
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   521
    dst = (Sint8 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   522
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   523
        const Sint8 val = ((Sint8) (((SDL_SwapLE16(*src)) ^ 0x8000) >> 8));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   524
        *dst = ((Sint8) val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   525
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   526
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   527
    cvt->len_cvt /= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   528
    format = AUDIO_S8;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   529
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   530
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   531
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   532
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   533
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   534
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   535
SDL_Convert_U16LSB_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   536
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   537
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   538
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   539
    Sint16 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   540
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   541
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   542
    fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_S16LSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   543
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   544
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   545
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   546
    dst = (Sint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   547
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   548
        const Sint16 val = ((SDL_SwapLE16(*src)) ^ 0x8000);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   549
        *dst = ((Sint16) SDL_SwapLE16(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   550
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   551
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   552
    format = AUDIO_S16LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   553
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   554
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   555
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   556
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   557
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   558
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   559
SDL_Convert_U16LSB_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   560
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   561
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   562
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   563
    Uint16 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   564
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   565
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   566
    fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_U16MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   567
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   568
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   569
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   570
    dst = (Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   571
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   572
        const Uint16 val = SDL_SwapLE16(*src);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   573
        *dst = SDL_SwapBE16(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   574
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   575
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   576
    format = AUDIO_U16MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   577
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   578
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   579
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   580
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   581
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   582
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   583
SDL_Convert_U16LSB_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   584
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   585
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   586
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   587
    Sint16 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   588
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   589
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   590
    fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_S16MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   591
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   592
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   593
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   594
    dst = (Sint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   595
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   596
        const Sint16 val = ((SDL_SwapLE16(*src)) ^ 0x8000);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   597
        *dst = ((Sint16) SDL_SwapBE16(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   598
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   599
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   600
    format = AUDIO_S16MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   601
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   602
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   603
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   604
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   605
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   606
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   607
SDL_Convert_U16LSB_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   608
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   609
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   610
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   611
    Sint32 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   612
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   613
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   614
    fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_S32LSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   615
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   616
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   617
    src = (const Uint16 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   618
    dst = (Sint32 *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   619
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   620
        const Sint32 val = (((Sint32) ((SDL_SwapLE16(*src)) ^ 0x8000)) << 16);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   621
        *dst = ((Sint32) SDL_SwapLE32(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   622
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   623
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   624
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   625
    format = AUDIO_S32LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   626
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   627
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   628
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   629
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   630
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   631
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   632
SDL_Convert_U16LSB_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   633
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   634
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   635
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   636
    Sint32 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   637
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   638
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   639
    fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_S32MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   640
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   641
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   642
    src = (const Uint16 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   643
    dst = (Sint32 *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   644
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   645
        const Sint32 val = (((Sint32) ((SDL_SwapLE16(*src)) ^ 0x8000)) << 16);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   646
        *dst = ((Sint32) SDL_SwapBE32(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   647
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   648
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   649
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   650
    format = AUDIO_S32MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   651
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   652
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   653
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   654
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   655
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   656
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   657
SDL_Convert_U16LSB_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   658
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   659
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   660
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   661
    float *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   662
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   663
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   664
    fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_F32LSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   665
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   666
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   667
    src = (const Uint16 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   668
    dst = (float *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   669
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   670
        const float val = (((float) SDL_SwapLE16(*src)) * DIVBY65535);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   671
        *dst = SDL_SwapFloatLE(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   672
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   673
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   674
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   675
    format = AUDIO_F32LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   676
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   677
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   678
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   679
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   680
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   681
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   682
SDL_Convert_U16LSB_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   683
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   684
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   685
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   686
    float *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   687
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   688
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   689
    fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_F32MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   690
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   691
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   692
    src = (const Uint16 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   693
    dst = (float *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   694
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   695
        const float val = (((float) SDL_SwapLE16(*src)) * DIVBY65535);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   696
        *dst = SDL_SwapFloatBE(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   697
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   698
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   699
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   700
    format = AUDIO_F32MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   701
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   702
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   703
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   704
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   705
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   706
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   707
SDL_Convert_S16LSB_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   708
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   709
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   710
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   711
    Uint8 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   712
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   713
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   714
    fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_U8.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   715
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   716
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   717
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   718
    dst = (Uint8 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   719
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   720
        const Uint8 val = ((Uint8) (((((Sint16) SDL_SwapLE16(*src))) ^ 0x8000) >> 8));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   721
        *dst = val;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   722
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   723
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   724
    cvt->len_cvt /= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   725
    format = AUDIO_U8;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   726
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   727
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   728
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   729
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   730
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   731
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   732
SDL_Convert_S16LSB_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   733
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   734
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   735
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   736
    Sint8 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   737
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   738
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   739
    fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_S8.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   740
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   741
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   742
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   743
    dst = (Sint8 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   744
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   745
        const Sint8 val = ((Sint8) (((Sint16) SDL_SwapLE16(*src)) >> 8));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   746
        *dst = ((Sint8) val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   747
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   748
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   749
    cvt->len_cvt /= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   750
    format = AUDIO_S8;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   751
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   752
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   753
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   754
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   755
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   756
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   757
SDL_Convert_S16LSB_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   758
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   759
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   760
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   761
    Uint16 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   762
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   763
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   764
    fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_U16LSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   765
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   766
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   767
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   768
    dst = (Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   769
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   770
        const Uint16 val = ((((Sint16) SDL_SwapLE16(*src))) ^ 0x8000);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   771
        *dst = SDL_SwapLE16(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   772
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   773
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   774
    format = AUDIO_U16LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   775
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   776
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   777
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   778
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   779
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   780
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   781
SDL_Convert_S16LSB_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   782
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   783
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   784
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   785
    Uint16 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   786
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   787
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   788
    fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_U16MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   789
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   790
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   791
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   792
    dst = (Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   793
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   794
        const Uint16 val = ((((Sint16) SDL_SwapLE16(*src))) ^ 0x8000);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   795
        *dst = SDL_SwapBE16(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   796
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   797
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   798
    format = AUDIO_U16MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   799
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   800
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   801
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   802
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   803
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   804
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   805
SDL_Convert_S16LSB_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   806
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   807
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   808
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   809
    Sint16 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   810
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   811
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   812
    fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_S16MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   813
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   814
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   815
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   816
    dst = (Sint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   817
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   818
        const Sint16 val = ((Sint16) SDL_SwapLE16(*src));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   819
        *dst = ((Sint16) SDL_SwapBE16(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   820
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   821
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   822
    format = AUDIO_S16MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   823
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   824
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   825
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   826
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   827
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   828
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   829
SDL_Convert_S16LSB_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   830
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   831
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   832
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   833
    Sint32 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   834
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   835
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   836
    fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_S32LSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   837
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   838
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   839
    src = (const Uint16 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   840
    dst = (Sint32 *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   841
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   842
        const Sint32 val = (((Sint32) ((Sint16) SDL_SwapLE16(*src))) << 16);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   843
        *dst = ((Sint32) SDL_SwapLE32(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   844
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   845
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   846
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   847
    format = AUDIO_S32LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   848
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   849
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   850
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   851
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   852
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   853
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   854
SDL_Convert_S16LSB_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   855
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   856
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   857
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   858
    Sint32 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   859
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   860
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   861
    fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_S32MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   862
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   863
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   864
    src = (const Uint16 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   865
    dst = (Sint32 *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   866
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   867
        const Sint32 val = (((Sint32) ((Sint16) SDL_SwapLE16(*src))) << 16);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   868
        *dst = ((Sint32) SDL_SwapBE32(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   869
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   870
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   871
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   872
    format = AUDIO_S32MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   873
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   874
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   875
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   876
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   877
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   878
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   879
SDL_Convert_S16LSB_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   880
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   881
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   882
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   883
    float *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   884
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   885
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   886
    fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_F32LSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   887
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   888
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   889
    src = (const Uint16 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   890
    dst = (float *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   891
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   892
        const float val = (((float) ((Sint16) SDL_SwapLE16(*src))) * DIVBY32767);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   893
        *dst = SDL_SwapFloatLE(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   894
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   895
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   896
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   897
    format = AUDIO_F32LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   898
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   899
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   900
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   901
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   902
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   903
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   904
SDL_Convert_S16LSB_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   905
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   906
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   907
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   908
    float *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   909
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   910
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   911
    fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_F32MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   912
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   913
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   914
    src = (const Uint16 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   915
    dst = (float *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   916
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   917
        const float val = (((float) ((Sint16) SDL_SwapLE16(*src))) * DIVBY32767);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   918
        *dst = SDL_SwapFloatBE(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   919
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   920
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   921
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   922
    format = AUDIO_F32MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   923
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   924
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   925
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   926
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   927
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   928
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   929
SDL_Convert_U16MSB_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   930
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   931
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   932
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   933
    Uint8 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   934
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   935
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   936
    fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_U8.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   937
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   938
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   939
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   940
    dst = (Uint8 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   941
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   942
        const Uint8 val = ((Uint8) (SDL_SwapBE16(*src) >> 8));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   943
        *dst = val;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   944
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   945
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   946
    cvt->len_cvt /= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   947
    format = AUDIO_U8;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   948
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   949
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   950
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   951
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   952
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   953
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   954
SDL_Convert_U16MSB_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   955
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   956
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   957
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   958
    Sint8 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   959
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   960
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   961
    fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_S8.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   962
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   963
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   964
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   965
    dst = (Sint8 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   966
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   967
        const Sint8 val = ((Sint8) (((SDL_SwapBE16(*src)) ^ 0x8000) >> 8));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   968
        *dst = ((Sint8) val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   969
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   970
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   971
    cvt->len_cvt /= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   972
    format = AUDIO_S8;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   973
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   974
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   975
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   976
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   977
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   978
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   979
SDL_Convert_U16MSB_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   980
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   981
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   982
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   983
    Uint16 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   984
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   985
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   986
    fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_U16LSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   987
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   988
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   989
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   990
    dst = (Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   991
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   992
        const Uint16 val = SDL_SwapBE16(*src);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   993
        *dst = SDL_SwapLE16(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   994
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   995
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   996
    format = AUDIO_U16LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   997
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   998
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   999
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1000
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1001
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1002
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1003
SDL_Convert_U16MSB_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1004
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1005
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1006
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1007
    Sint16 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1008
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1009
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1010
    fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_S16LSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1011
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1012
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1013
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1014
    dst = (Sint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1015
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1016
        const Sint16 val = ((SDL_SwapBE16(*src)) ^ 0x8000);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1017
        *dst = ((Sint16) SDL_SwapLE16(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1018
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1019
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1020
    format = AUDIO_S16LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1021
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1022
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1023
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1024
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1025
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1026
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1027
SDL_Convert_U16MSB_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1028
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1029
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1030
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1031
    Sint16 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1032
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1033
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1034
    fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_S16MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1035
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1036
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1037
    src = (const Uint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1038
    dst = (Sint16 *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1039
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1040
        const Sint16 val = ((SDL_SwapBE16(*src)) ^ 0x8000);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1041
        *dst = ((Sint16) SDL_SwapBE16(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1042
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1043
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1044
    format = AUDIO_S16MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1045
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1046
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1047
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1048
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1049
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1050
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1051
SDL_Convert_U16MSB_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1052
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1053
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1054
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1055
    Sint32 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1056
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1057
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1058
    fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_S32LSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1059
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1060
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1061
    src = (const Uint16 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1062
    dst = (Sint32 *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1063
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1064
        const Sint32 val = (((Sint32) ((SDL_SwapBE16(*src)) ^ 0x8000)) << 16);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1065
        *dst = ((Sint32) SDL_SwapLE32(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1066
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1067
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1068
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1069
    format = AUDIO_S32LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1070
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1071
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1072
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1073
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1074
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1075
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1076
SDL_Convert_U16MSB_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1077
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1078
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1079
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1080
    Sint32 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1081
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1082
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1083
    fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_S32MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1084
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1085
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1086
    src = (const Uint16 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1087
    dst = (Sint32 *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1088
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1089
        const Sint32 val = (((Sint32) ((SDL_SwapBE16(*src)) ^ 0x8000)) << 16);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1090
        *dst = ((Sint32) SDL_SwapBE32(val));
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1091
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1092
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1093
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1094
    format = AUDIO_S32MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1095
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1096
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1097
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1098
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1099
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1100
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1101
SDL_Convert_U16MSB_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1102
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1103
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1104
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1105
    float *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1106
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1107
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1108
    fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_F32LSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1109
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1110
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1111
    src = (const Uint16 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1112
    dst = (float *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1113
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1114
        const float val = (((float) SDL_SwapBE16(*src)) * DIVBY65535);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1115
        *dst = SDL_SwapFloatLE(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1116
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1117
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1118
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1119
    format = AUDIO_F32LSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1120
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1121
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1122
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1123
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1124
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1125
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1126
SDL_Convert_U16MSB_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1127
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1128
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1129
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1130
    float *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1131
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1132
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1133
    fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_F32MSB.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1134
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1135
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1136
    src = (const Uint16 *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1137
    dst = (float *) (cvt->buf + cvt->len_cvt * 2);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1138
    for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1139
        const float val = (((float) SDL_SwapBE16(*src)) * DIVBY65535);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1140
        *dst = SDL_SwapFloatBE(val);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1141
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1142
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1143
    cvt->len_cvt *= 2;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1144
    format = AUDIO_F32MSB;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1145
    if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1146
        cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1147
    }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1148
}
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1149
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1150
static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1151
SDL_Convert_S16MSB_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1152
{
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1153
    int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1154
    const Uint16 *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1155
    Uint8 *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1156
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1157
#ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1158
    fprintf(stderr, "Converting AUDIO_S16MSB to AUDIO_U8.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1159
#endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1160
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
  1161
    src = (const Uint16 *) cvt->buf;