test/testaudiocapture.c
author Ryan C. Gordon <icculus@icculus.org>
Fri, 12 Aug 2016 19:59:00 -0400
changeset 10266 c09f06c4e8c8
parent 10254 2b8bb76140a5
child 10267 b1f031450499
permissions -rw-r--r--
emscripten: send fake mouse events for touches, like other targets do. (This really should be handled at the higher level and not in the individual targets, but this fixes the immediate bug.)
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
     1
/*
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
     2
  Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
     3
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
     4
  This software is provided 'as-is', without any express or implied
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
     5
  warranty.  In no event will the authors be held liable for any damages
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
     6
  arising from the use of this software.
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
     7
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
     8
  Permission is granted to anyone to use this software for any purpose,
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
     9
  including commercial applications, and to alter it and redistribute it
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    10
  freely.
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    11
*/
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    12
#include "SDL.h"
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    13
10254
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
    14
#include <stdlib.h>
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
    15
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    16
#ifdef __EMSCRIPTEN__
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    17
#include <emscripten/emscripten.h>
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    18
#endif
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    19
10226
656799817375 testaudiocapture: Make a simple green/red window when recording/playing.
Ryan C. Gordon <icculus@icculus.org>
parents: 10219
diff changeset
    20
static SDL_Window *window = NULL;
656799817375 testaudiocapture: Make a simple green/red window when recording/playing.
Ryan C. Gordon <icculus@icculus.org>
parents: 10219
diff changeset
    21
static SDL_Renderer *renderer = NULL;
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    22
static SDL_AudioSpec spec;
10228
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    23
static SDL_AudioDeviceID devid_in = 0;
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    24
static SDL_AudioDeviceID devid_out = 0;
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    25
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    26
static void
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    27
loop()
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    28
{
10228
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    29
    SDL_bool please_quit = SDL_FALSE;
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    30
    SDL_Event e;
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    31
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    32
    while (SDL_PollEvent(&e)) {
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    33
        if (e.type == SDL_QUIT) {
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    34
            please_quit = SDL_TRUE;
10228
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    35
        } else if (e.type == SDL_KEYDOWN) {
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    36
            if (e.key.keysym.sym == SDLK_ESCAPE) {
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    37
                please_quit = SDL_TRUE;
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    38
            }
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    39
        } else if (e.type == SDL_MOUSEBUTTONDOWN) {
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    40
            if (e.button.button == 1) {
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    41
                SDL_PauseAudioDevice(devid_out, SDL_TRUE);
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    42
                SDL_PauseAudioDevice(devid_in, SDL_FALSE);
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    43
            }
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    44
        } else if (e.type == SDL_MOUSEBUTTONUP) {
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    45
            if (e.button.button == 1) {
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    46
                SDL_PauseAudioDevice(devid_in, SDL_TRUE);
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    47
                SDL_PauseAudioDevice(devid_out, SDL_FALSE);
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    48
            }
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    49
        }
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    50
    }
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    51
10228
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    52
    if (SDL_GetAudioDeviceStatus(devid_in) == SDL_AUDIO_PLAYING) {
10226
656799817375 testaudiocapture: Make a simple green/red window when recording/playing.
Ryan C. Gordon <icculus@icculus.org>
parents: 10219
diff changeset
    53
        SDL_SetRenderDrawColor(renderer, 0, 255, 0, 255);
656799817375 testaudiocapture: Make a simple green/red window when recording/playing.
Ryan C. Gordon <icculus@icculus.org>
parents: 10219
diff changeset
    54
    } else {
656799817375 testaudiocapture: Make a simple green/red window when recording/playing.
Ryan C. Gordon <icculus@icculus.org>
parents: 10219
diff changeset
    55
        SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
656799817375 testaudiocapture: Make a simple green/red window when recording/playing.
Ryan C. Gordon <icculus@icculus.org>
parents: 10219
diff changeset
    56
    }
656799817375 testaudiocapture: Make a simple green/red window when recording/playing.
Ryan C. Gordon <icculus@icculus.org>
parents: 10219
diff changeset
    57
    SDL_RenderClear(renderer);
656799817375 testaudiocapture: Make a simple green/red window when recording/playing.
Ryan C. Gordon <icculus@icculus.org>
parents: 10219
diff changeset
    58
    SDL_RenderPresent(renderer);
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    59
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    60
    if (please_quit) {
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    61
        /* stop playing back, quit. */
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    62
        SDL_Log("Shutting down.\n");
10228
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    63
        SDL_PauseAudioDevice(devid_in, 1);
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    64
        SDL_CloseAudioDevice(devid_in);
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    65
        SDL_PauseAudioDevice(devid_out, 1);
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    66
        SDL_CloseAudioDevice(devid_out);
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    67
        SDL_DestroyRenderer(renderer);
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
    68
        SDL_DestroyWindow(window);
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    69
        SDL_Quit();
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    70
        #ifdef __EMSCRIPTEN__
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    71
        emscripten_cancel_main_loop();
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    72
        #endif
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    73
        exit(0);
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    74
    }
10245
ec1844380edb testaudiocapture: use capture device buffer queueing, for better test coverage.
Ryan C. Gordon <icculus@icculus.org>
parents: 10243
diff changeset
    75
ec1844380edb testaudiocapture: use capture device buffer queueing, for better test coverage.
Ryan C. Gordon <icculus@icculus.org>
parents: 10243
diff changeset
    76
    /* Note that it would be easier to just have a one-line function that
ec1844380edb testaudiocapture: use capture device buffer queueing, for better test coverage.
Ryan C. Gordon <icculus@icculus.org>
parents: 10243
diff changeset
    77
        calls SDL_QueueAudio() as a capture device callback, but we're
ec1844380edb testaudiocapture: use capture device buffer queueing, for better test coverage.
Ryan C. Gordon <icculus@icculus.org>
parents: 10243
diff changeset
    78
        trying to test the API, so we use SDL_DequeueAudio() here. */
ec1844380edb testaudiocapture: use capture device buffer queueing, for better test coverage.
Ryan C. Gordon <icculus@icculus.org>
parents: 10243
diff changeset
    79
    while (SDL_TRUE) {
ec1844380edb testaudiocapture: use capture device buffer queueing, for better test coverage.
Ryan C. Gordon <icculus@icculus.org>
parents: 10243
diff changeset
    80
        Uint8 buf[1024];
ec1844380edb testaudiocapture: use capture device buffer queueing, for better test coverage.
Ryan C. Gordon <icculus@icculus.org>
parents: 10243
diff changeset
    81
        const Uint32 br = SDL_DequeueAudio(devid_in, buf, sizeof (buf));
ec1844380edb testaudiocapture: use capture device buffer queueing, for better test coverage.
Ryan C. Gordon <icculus@icculus.org>
parents: 10243
diff changeset
    82
        SDL_QueueAudio(devid_out, buf, br);
ec1844380edb testaudiocapture: use capture device buffer queueing, for better test coverage.
Ryan C. Gordon <icculus@icculus.org>
parents: 10243
diff changeset
    83
        if (br < sizeof (buf)) {
ec1844380edb testaudiocapture: use capture device buffer queueing, for better test coverage.
Ryan C. Gordon <icculus@icculus.org>
parents: 10243
diff changeset
    84
            break;
ec1844380edb testaudiocapture: use capture device buffer queueing, for better test coverage.
Ryan C. Gordon <icculus@icculus.org>
parents: 10243
diff changeset
    85
        }
ec1844380edb testaudiocapture: use capture device buffer queueing, for better test coverage.
Ryan C. Gordon <icculus@icculus.org>
parents: 10243
diff changeset
    86
    }
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    87
}
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    88
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    89
int
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    90
main(int argc, char **argv)
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    91
{
10219
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
    92
    /* (argv[1] == NULL means "open default device.") */
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
    93
    const char *devname = argv[1];
10254
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
    94
    SDL_AudioSpec wanted;
10219
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
    95
    int devcount;
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
    96
    int i;
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
    97
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    98
    /* Enable standard application logging */
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
    99
    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   100
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   101
    /* Load the SDL library */
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   102
    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0) {
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   103
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   104
        return (1);
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   105
    }
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   106
10243
e8facf18d5bd testaudiocapture: don't use fullscreen for the window.
Ryan C. Gordon <icculus@icculus.org>
parents: 10228
diff changeset
   107
    window = SDL_CreateWindow("testaudiocapture", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 320, 240, 0);
10226
656799817375 testaudiocapture: Make a simple green/red window when recording/playing.
Ryan C. Gordon <icculus@icculus.org>
parents: 10219
diff changeset
   108
    renderer = SDL_CreateRenderer(window, -1, 0);
656799817375 testaudiocapture: Make a simple green/red window when recording/playing.
Ryan C. Gordon <icculus@icculus.org>
parents: 10219
diff changeset
   109
    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
656799817375 testaudiocapture: Make a simple green/red window when recording/playing.
Ryan C. Gordon <icculus@icculus.org>
parents: 10219
diff changeset
   110
    SDL_RenderClear(renderer);
656799817375 testaudiocapture: Make a simple green/red window when recording/playing.
Ryan C. Gordon <icculus@icculus.org>
parents: 10219
diff changeset
   111
    SDL_RenderPresent(renderer);
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   112
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   113
    SDL_Log("Using audio driver: %s\n", SDL_GetCurrentAudioDriver());
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   114
10219
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
   115
    devcount = SDL_GetNumAudioDevices(SDL_TRUE);
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
   116
    for (i = 0; i < devcount; i++) {
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
   117
        SDL_Log(" Capture device #%d: '%s'\n", i, SDL_GetAudioDeviceName(i, SDL_TRUE));
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
   118
    }
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
   119
10254
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   120
    SDL_zero(wanted);
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   121
    wanted.freq = 44100;
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   122
    wanted.format = AUDIO_F32SYS;
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   123
    wanted.channels = 1;
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   124
    wanted.samples = 1024;
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   125
    wanted.callback = NULL;
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   126
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   127
    SDL_zero(spec);
10254
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   128
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   129
    /* DirectSound can fail in some instances if you open the same hardware
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   130
       for both capture and output and didn't open the output end first,
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   131
       according to the docs, so if you're doing something like this, always
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   132
       open your capture devices second in case you land in those bizarre
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   133
       circumstances. */
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   134
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   135
    SDL_Log("Opening default playback device...\n");
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   136
    devid_out = SDL_OpenAudioDevice(NULL, SDL_FALSE, &wanted, &spec, SDL_AUDIO_ALLOW_ANY_CHANGE);
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   137
    if (!devid_out) {
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   138
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't open an audio device for capture: %s!\n", SDL_GetError());
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   139
        SDL_Quit();
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   140
        exit(1);
2b8bb76140a5 testaudiocapture: open capture device to same spec as output device.
Ryan C. Gordon <icculus@icculus.org>
parents: 10245
diff changeset
   141
    }
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   142
10228
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
   143
    SDL_Log("Opening capture device %s%s%s...\n",
10219
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
   144
            devname ? "'" : "",
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
   145
            devname ? devname : "[[default]]",
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
   146
            devname ? "'" : "");
0d344873cd93 testaudiocapture: Let specific devices be opened.
Ryan C. Gordon <icculus@icculus.org>
parents: 10213
diff changeset
   147
10228
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
   148
    devid_in = SDL_OpenAudioDevice(argv[1], SDL_TRUE, &spec, &spec, 0);
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
   149
    if (!devid_in) {
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   150
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't open an audio device for capture: %s!\n", SDL_GetError());
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   151
        SDL_Quit();
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   152
        exit(1);
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   153
    }
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   154
10228
d7ae395db9f2 testaudiocapture: made test app interactive.
Ryan C. Gordon <icculus@icculus.org>
parents: 10226
diff changeset
   155
    SDL_Log("Ready! Hold down mouse or finger to record!\n");
10213
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   156
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   157
#ifdef __EMSCRIPTEN__
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   158
    emscripten_set_main_loop(loop, 0, 1);
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   159
#else
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   160
    while (1) { loop(); SDL_Delay(16); }
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   161
#endif
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   162
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   163
    return 0;
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   164
}
4b0893d63092 audio: Initial bits to enable audio capture support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   165