src/video/x11/SDL_x11yuv.c
author Sam Lantinga <slouken@libsdl.org>
Fri, 02 Dec 2011 18:35:04 -0500
branchSDL-1.2
changeset 6099 c5d651a8b679
parent 4159 a1b03ba2fcd0
child 6137 4720145f848b
permissions -rw-r--r--
Hi Sam In X11_CreateYUVOverlay hwdata->image will be accessed after it has been freed, causing undefined behavior. Exchanging two lines as shown in this patch will fix that problem: Regards, Bodo
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
     1
/*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
     2
    SDL - Simple DirectMedia Layer
4159
a1b03ba2fcd0 Updated copyright date
Sam Lantinga <slouken@libsdl.org>
parents: 4106
diff changeset
     3
    Copyright (C) 1997-2009 Sam Lantinga
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
     4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
     5
    This library is free software; you can redistribute it and/or
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1306
diff changeset
     6
    modify it under the terms of the GNU Lesser General Public
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
     7
    License as published by the Free Software Foundation; either
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1306
diff changeset
     8
    version 2.1 of the License, or (at your option) any later version.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
     9
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    10
    This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    11
    but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    12
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1306
diff changeset
    13
    Lesser General Public License for more details.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1306
diff changeset
    15
    You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1306
diff changeset
    16
    License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1306
diff changeset
    17
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    18
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    19
    Sam Lantinga
252
e8157fcb3114 Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents: 182
diff changeset
    20
    slouken@libsdl.org
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    21
*/
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
    22
#include "SDL_config.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    23
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    24
/* This is the XFree86 Xv extension implementation of YUV video overlays */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    25
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
    26
#if SDL_VIDEO_DRIVER_X11_XV
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    27
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    28
#include <X11/Xlib.h>
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    29
#ifndef NO_SHARED_MEMORY
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    30
#include <sys/ipc.h>
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    31
#include <sys/shm.h>
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    32
#include <X11/extensions/XShm.h>
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    33
#endif
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
    34
#include "../Xext/extensions/Xvlib.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    35
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    36
#include "SDL_x11yuv_c.h"
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
    37
#include "../SDL_yuvfuncs.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    38
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    39
#define XFREE86_REFRESH_HACK
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    40
#ifdef XFREE86_REFRESH_HACK
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    41
#include "SDL_x11image_c.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    42
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    43
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    44
/* Workaround when pitch != width */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    45
#define PITCH_WORKAROUND
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    46
4106
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
    47
/* Workaround intel i810 video overlay waiting with failing until the
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
    48
   first Xv[Shm]PutImage call <sigh> */
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
    49
#define INTEL_XV_BADALLOC_WORKAROUND
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
    50
182
d4ebd1bbea9a Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
    51
/* Fix for the NVidia GeForce 2 - use the last available adaptor */
341
6ca967a46bf1 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
    52
/*#define USE_LAST_ADAPTOR*/  /* Apparently the NVidia drivers are fixed */
182
d4ebd1bbea9a Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
    53
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    54
/* The functions used to manipulate software video overlays */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    55
static struct private_yuvhwfuncs x11_yuvfuncs = {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    56
	X11_LockYUVOverlay,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    57
	X11_UnlockYUVOverlay,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    58
	X11_DisplayYUVOverlay,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    59
	X11_FreeYUVOverlay
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    60
};
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    61
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    62
struct private_yuvhwdata {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    63
	int port;
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    64
#ifndef NO_SHARED_MEMORY
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    65
	int yuv_use_mitshm;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    66
	XShmSegmentInfo yuvshm;
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    67
#endif
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
    68
	SDL_NAME(XvImage) *image;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    69
};
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    70
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
    71
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
    72
static int (*X_handler)(Display *, XErrorEvent *) = NULL;
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
    73
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    74
#ifndef NO_SHARED_MEMORY
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    75
/* Shared memory error handler routine */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    76
static int shm_error;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    77
static int shm_errhandler(Display *d, XErrorEvent *e)
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    78
{
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    79
        if ( e->error_code == BadAccess ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    80
        	shm_error = True;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    81
        	return(0);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    82
        } else
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    83
		return(X_handler(d,e));
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    84
}
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    85
#endif /* !NO_SHARED_MEMORY */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    86
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
    87
static int xv_error;
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
    88
static int xv_errhandler(Display *d, XErrorEvent *e)
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
    89
{
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
    90
        if ( e->error_code == BadMatch ) {
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
    91
        	xv_error = True;
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
    92
        	return(0);
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
    93
        } else
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
    94
		return(X_handler(d,e));
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
    95
}
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
    96
4106
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
    97
#ifdef INTEL_XV_BADALLOC_WORKAROUND
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
    98
static int intel_errhandler(Display *d, XErrorEvent *e)
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
    99
{
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   100
        if ( e->error_code == BadAlloc ) {
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   101
        	xv_error = True;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   102
        	return(0);
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   103
        } else
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   104
		return(X_handler(d,e));
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   105
}
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   106
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   107
static void X11_ClearYUVOverlay(SDL_Overlay *overlay)
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   108
{
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   109
	int x,y;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   110
	    
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   111
	switch (overlay->format)
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   112
	{
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   113
	case SDL_YV12_OVERLAY:
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   114
	case SDL_IYUV_OVERLAY:
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   115
		for (y = 0; y < overlay->h; y++)
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   116
			memset(overlay->pixels[0] + y * overlay->pitches[0],
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   117
				0, overlay->w);
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   118
		
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   119
		for (y = 0; y < (overlay->h / 2); y++)
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   120
		{
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   121
			memset(overlay->pixels[1] + y * overlay->pitches[1],
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   122
				-128, overlay->w / 2);
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   123
			memset(overlay->pixels[2] + y * overlay->pitches[2],
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   124
				-128, overlay->w / 2);
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   125
		}
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   126
		break;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   127
	case SDL_YUY2_OVERLAY:
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   128
	case SDL_YVYU_OVERLAY:
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   129
		for (y = 0; y < overlay->h; y++)
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   130
		{
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   131
			for (x = 0; x < overlay->w; x += 2)
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   132
			{
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   133
				Uint8 *pixel_pair = overlay->pixels[0] +
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   134
					y * overlay->pitches[0] + x * 2;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   135
				pixel_pair[0] = 0;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   136
				pixel_pair[1] = -128;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   137
				pixel_pair[2] = 0;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   138
				pixel_pair[3] = -128;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   139
			}
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   140
		}
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   141
		break;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   142
	case SDL_UYVY_OVERLAY:
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   143
		for (y = 0; y < overlay->h; y++)
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   144
		{
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   145
			for (x = 0; x < overlay->w; x += 2)
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   146
			{
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   147
				Uint8 *pixel_pair = overlay->pixels[0] +
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   148
					y * overlay->pitches[0] + x * 2;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   149
				pixel_pair[0] = -128;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   150
				pixel_pair[1] = 0;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   151
				pixel_pair[2] = -128;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   152
				pixel_pair[3] = 0;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   153
			}
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   154
		}
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   155
		break;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   156
	}
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   157
}
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   158
#endif
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   159
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   160
SDL_Overlay *X11_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface *display)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   161
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   162
	SDL_Overlay *overlay;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   163
	struct private_yuvhwdata *hwdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   164
	int xv_port;
1196
b81f54c3963f Fixed compile warnings with gcc 4
Sam Lantinga <slouken@libsdl.org>
parents: 1168
diff changeset
   165
	unsigned int i, j, k;
b81f54c3963f Fixed compile warnings with gcc 4
Sam Lantinga <slouken@libsdl.org>
parents: 1168
diff changeset
   166
	unsigned int adaptors;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
   167
	SDL_NAME(XvAdaptorInfo) *ainfo;
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   168
	int bpp;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   169
#ifndef NO_SHARED_MEMORY
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   170
	XShmSegmentInfo *yuvshm;
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   171
#endif
4106
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   172
#ifdef INTEL_XV_BADALLOC_WORKAROUND
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   173
	int intel_adapter = False;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   174
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   175
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   176
	/* Look for the XVideo extension with a valid port for this format */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   177
	xv_port = -1;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
   178
	if ( (Success == SDL_NAME(XvQueryExtension)(GFX_Display, &j, &j, &j, &j, &j)) &&
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
   179
	     (Success == SDL_NAME(XvQueryAdaptors)(GFX_Display,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   180
	                                 RootWindow(GFX_Display, SDL_Screen),
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   181
	                                 &adaptors, &ainfo)) ) {
182
d4ebd1bbea9a Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
   182
#ifdef USE_LAST_ADAPTOR
659
e3d0517bf67e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 494
diff changeset
   183
		for ( i=0; i < adaptors; ++i )
182
d4ebd1bbea9a Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
   184
#else
659
e3d0517bf67e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 494
diff changeset
   185
		for ( i=0; (i < adaptors) && (xv_port == -1); ++i )
182
d4ebd1bbea9a Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
   186
#endif /* USE_LAST_ADAPTOR */
659
e3d0517bf67e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 494
diff changeset
   187
		{
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   188
			/* Check to see if the visual can be used */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   189
			if ( BUGGY_XFREE86(<=, 4001) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   190
				int visual_ok = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   191
				for ( j=0; j<ainfo[i].num_formats; ++j ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   192
					if ( ainfo[i].formats[j].visual_id ==
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   193
							SDL_Visual->visualid ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   194
						visual_ok = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   195
						break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   196
					}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   197
				}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   198
				if ( ! visual_ok ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   199
					continue;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   200
				}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   201
			}
4106
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   202
#ifdef INTEL_XV_BADALLOC_WORKAROUND
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   203
			if ( !strcmp(ainfo[i].name, "Intel(R) Video Overla"))
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   204
				intel_adapter = True;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   205
			else
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   206
				intel_adapter = False;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   207
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   208
			if ( (ainfo[i].type & XvInputMask) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   209
			     (ainfo[i].type & XvImageMask) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   210
				int num_formats;
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
   211
				SDL_NAME(XvImageFormatValues) *formats;
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
   212
				formats = SDL_NAME(XvListImageFormats)(GFX_Display,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   213
				              ainfo[i].base_id, &num_formats);
182
d4ebd1bbea9a Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
   214
#ifdef USE_LAST_ADAPTOR
659
e3d0517bf67e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 494
diff changeset
   215
				for ( j=0; j < num_formats; ++j )
182
d4ebd1bbea9a Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
   216
#else
659
e3d0517bf67e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 494
diff changeset
   217
				for ( j=0; (j < num_formats) && (xv_port == -1); ++j )
182
d4ebd1bbea9a Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents: 0
diff changeset
   218
#endif /* USE_LAST_ADAPTOR */
659
e3d0517bf67e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 494
diff changeset
   219
				{
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   220
					if ( (Uint32)formats[j].id == format ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   221
						for ( k=0; k < ainfo[i].num_ports; ++k ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
   222
							if ( Success == SDL_NAME(XvGrabPort)(GFX_Display, ainfo[i].base_id+k, CurrentTime) ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   223
								xv_port = ainfo[i].base_id+k;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   224
								break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   225
							}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   226
						}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   227
					}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   228
				}
410
365f57b7c4ac *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 409
diff changeset
   229
				if ( formats ) {
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   230
					XFree(formats);
410
365f57b7c4ac *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 409
diff changeset
   231
				}
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   232
			}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   233
		}
409
1c3cf7231cd4 Fixed memory leaks in YUV code
Sam Lantinga <slouken@libsdl.org>
parents: 341
diff changeset
   234
		SDL_NAME(XvFreeAdaptorInfo)(ainfo);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   235
	}
429
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   236
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   237
	/* Precalculate the bpp for the pitch workaround below */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   238
	switch (format) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   239
	    /* Add any other cases we need to support... */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   240
	    case SDL_YUY2_OVERLAY:
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   241
	    case SDL_UYVY_OVERLAY:
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   242
	    case SDL_YVYU_OVERLAY:
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   243
		bpp = 2;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   244
		break;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   245
	    default:
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   246
		bpp = 1;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   247
		break;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   248
	}
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   249
434
ed58b98c0d9d Commented double-free buggy code. Will examine more closely later.
Ryan C. Gordon <icculus@icculus.org>
parents: 429
diff changeset
   250
#if 0
429
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   251
    /*
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   252
     * !!! FIXME:
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   253
     * "Here are some diffs for X11 and yuv.  Note that the last part 2nd
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   254
     *  diff should probably be a new call to XvQueryAdaptorFree with ainfo
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   255
     *  and the number of adaptors, instead of the loop through like I did."
434
ed58b98c0d9d Commented double-free buggy code. Will examine more closely later.
Ryan C. Gordon <icculus@icculus.org>
parents: 429
diff changeset
   256
     *
ed58b98c0d9d Commented double-free buggy code. Will examine more closely later.
Ryan C. Gordon <icculus@icculus.org>
parents: 429
diff changeset
   257
     *  ACHTUNG: This is broken! It looks like XvFreeAdaptorInfo does this
ed58b98c0d9d Commented double-free buggy code. Will examine more closely later.
Ryan C. Gordon <icculus@icculus.org>
parents: 429
diff changeset
   258
     *  for you, so we end up with a double-free. I need to look at this
ed58b98c0d9d Commented double-free buggy code. Will examine more closely later.
Ryan C. Gordon <icculus@icculus.org>
parents: 429
diff changeset
   259
     *  more closely...  --ryan.
429
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   260
     */
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   261
 	for ( i=0; i < adaptors; ++i ) {
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   262
 	  if (ainfo[i].name != NULL) Xfree(ainfo[i].name);
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   263
 	  if (ainfo[i].formats != NULL) Xfree(ainfo[i].formats);
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   264
   	}
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   265
 	Xfree(ainfo);
434
ed58b98c0d9d Commented double-free buggy code. Will examine more closely later.
Ryan C. Gordon <icculus@icculus.org>
parents: 429
diff changeset
   266
#endif
429
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
   267
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   268
	if ( xv_port == -1 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   269
		SDL_SetError("No available video ports for requested format");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   270
		return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   271
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   272
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   273
	/* Enable auto-painting of the overlay colorkey */
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   274
	{
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   275
		static const char *attr[] = { "XV_AUTOPAINT_COLORKEY", "XV_AUTOPAINT_COLOURKEY" };
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   276
		unsigned int i;
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   277
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   278
		SDL_NAME(XvSelectPortNotify)(GFX_Display, xv_port, True);
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   279
		X_handler = XSetErrorHandler(xv_errhandler);
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   280
		for ( i=0; i < sizeof(attr)/(sizeof attr[0]); ++i ) {
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   281
			Atom a;
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   282
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   283
			xv_error = False;
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   284
			a = XInternAtom(GFX_Display, attr[i], True);
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   285
			if ( a != None ) {
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   286
     				SDL_NAME(XvSetPortAttribute)(GFX_Display, xv_port, a, 1);
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   287
				XSync(GFX_Display, True);
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   288
				if ( ! xv_error ) {
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   289
					break;
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   290
				}
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   291
			}
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   292
		}
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   293
		XSetErrorHandler(X_handler);
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   294
		SDL_NAME(XvSelectPortNotify)(GFX_Display, xv_port, False);
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   295
	}
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
   296
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   297
	/* Create the overlay structure */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   298
	overlay = (SDL_Overlay *)SDL_malloc(sizeof *overlay);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   299
	if ( overlay == NULL ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
   300
		SDL_NAME(XvUngrabPort)(GFX_Display, xv_port, CurrentTime);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   301
		SDL_OutOfMemory();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   302
		return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   303
	}
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   304
	SDL_memset(overlay, 0, (sizeof *overlay));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   305
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   306
	/* Fill in the basic members */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   307
	overlay->format = format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   308
	overlay->w = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   309
	overlay->h = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   310
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   311
	/* Set up the YUV surface function structure */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   312
	overlay->hwfuncs = &x11_yuvfuncs;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   313
	overlay->hw_overlay = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   314
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   315
	/* Create the pixel data and lookup tables */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   316
	hwdata = (struct private_yuvhwdata *)SDL_malloc(sizeof *hwdata);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   317
	overlay->hwdata = hwdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   318
	if ( hwdata == NULL ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
   319
		SDL_NAME(XvUngrabPort)(GFX_Display, xv_port, CurrentTime);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   320
		SDL_OutOfMemory();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   321
		SDL_FreeYUVOverlay(overlay);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   322
		return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   323
	}
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   324
	hwdata->port = xv_port;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   325
#ifndef NO_SHARED_MEMORY
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   326
	yuvshm = &hwdata->yuvshm;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   327
	SDL_memset(yuvshm, 0, sizeof(*yuvshm));
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
   328
	hwdata->image = SDL_NAME(XvShmCreateImage)(GFX_Display, xv_port, format,
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   329
						   0, width, height, yuvshm);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   330
#ifdef PITCH_WORKAROUND
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   331
	if ( hwdata->image != NULL && hwdata->image->pitches[0] != (width*bpp) ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   332
		/* Ajust overlay width according to pitch */ 
6099
Sam Lantinga <slouken@libsdl.org>
parents: 4159
diff changeset
   333
		width = hwdata->image->pitches[0] / bpp;
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   334
		XFree(hwdata->image);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   335
		hwdata->image = SDL_NAME(XvShmCreateImage)(GFX_Display, xv_port, format,
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   336
							   0, width, height, yuvshm);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   337
	}
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   338
#endif /* PITCH_WORKAROUND */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   339
	hwdata->yuv_use_mitshm = (hwdata->image != NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   340
	if ( hwdata->yuv_use_mitshm ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   341
		yuvshm->shmid = shmget(IPC_PRIVATE, hwdata->image->data_size,
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   342
				       IPC_CREAT | 0777);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   343
		if ( yuvshm->shmid >= 0 ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   344
			yuvshm->shmaddr = (char *)shmat(yuvshm->shmid, 0, 0);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   345
			yuvshm->readOnly = False;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   346
			if ( yuvshm->shmaddr != (char *)-1 ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   347
				shm_error = False;
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   348
				X_handler = XSetErrorHandler(shm_errhandler);
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   349
				XShmAttach(GFX_Display, yuvshm);
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   350
				XSync(GFX_Display, True);
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   351
				XSetErrorHandler(X_handler);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   352
				if ( shm_error )
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   353
					shmdt(yuvshm->shmaddr);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   354
			} else {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   355
				shm_error = True;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   356
			}
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   357
			shmctl(yuvshm->shmid, IPC_RMID, NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   358
		} else {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   359
			shm_error = True;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   360
		}
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   361
		if ( shm_error ) {
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   362
			XFree(hwdata->image);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   363
			hwdata->yuv_use_mitshm = 0;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   364
		} else {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   365
			hwdata->image->data = yuvshm->shmaddr;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   366
		}
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   367
	}
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   368
	if ( !hwdata->yuv_use_mitshm )
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   369
#endif /* NO_SHARED_MEMORY */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   370
	{
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   371
		hwdata->image = SDL_NAME(XvCreateImage)(GFX_Display, xv_port, format,
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   372
							0, width, height);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   373
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   374
#ifdef PITCH_WORKAROUND
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   375
		if ( hwdata->image != NULL && hwdata->image->pitches[0] != (width*bpp) ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   376
			/* Ajust overlay width according to pitch */ 
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   377
			XFree(hwdata->image);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   378
			width = hwdata->image->pitches[0] / bpp;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   379
			hwdata->image = SDL_NAME(XvCreateImage)(GFX_Display, xv_port, format,
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   380
								0, width, height);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   381
		}
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   382
#endif /* PITCH_WORKAROUND */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   383
		if ( hwdata->image == NULL ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   384
			SDL_SetError("Couldn't create XVideo image");
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   385
			SDL_FreeYUVOverlay(overlay);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   386
			return(NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   387
		}
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   388
		hwdata->image->data = SDL_malloc(hwdata->image->data_size);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   389
		if ( hwdata->image->data == NULL ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   390
			SDL_OutOfMemory();
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   391
			SDL_FreeYUVOverlay(overlay);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   392
			return(NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   393
		}
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   394
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   395
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   396
	/* Find the pitch and offset values for the overlay */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   397
	overlay->planes = hwdata->image->num_planes;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   398
	overlay->pitches = (Uint16 *)SDL_malloc(overlay->planes * sizeof(Uint16));
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   399
	overlay->pixels = (Uint8 **)SDL_malloc(overlay->planes * sizeof(Uint8 *));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   400
	if ( !overlay->pitches || !overlay->pixels ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   401
		SDL_OutOfMemory();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   402
		SDL_FreeYUVOverlay(overlay);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   403
		return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   404
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   405
	for ( i=0; i<overlay->planes; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   406
		overlay->pitches[i] = hwdata->image->pitches[i];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   407
		overlay->pixels[i] = (Uint8 *)hwdata->image->data +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   408
		                              hwdata->image->offsets[i];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   409
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   410
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   411
#ifdef XFREE86_REFRESH_HACK
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   412
	/* Work around an XFree86 X server bug (?)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   413
	   We can't perform normal updates in windows that have video
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   414
	   being output to them.  See SDL_x11image.c for more details.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   415
	 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   416
	X11_DisableAutoRefresh(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   417
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   418
4106
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   419
#ifdef INTEL_XV_BADALLOC_WORKAROUND
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   420
	/* HACK, GRRR sometimes (i810) creating the overlay succeeds, but the
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   421
	   first call to XvShm[Put]Image to a mapped window fails with:
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   422
	   "BadAlloc (insufficient resources for operation)". This happens with
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   423
	   certain formats when the XvImage is too large to the i810's liking.
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   424
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   425
	   We work around this by doing a test XvShm[Put]Image with a black
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   426
	   Xv image, this may cause some flashing, so only do this check if we
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   427
	   are running on an intel Xv-adapter. */
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   428
	if (intel_adapter)
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   429
	{
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   430
		xv_error = False;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   431
		X_handler = XSetErrorHandler(intel_errhandler);
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   432
		
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   433
		X11_ClearYUVOverlay(overlay);
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   434
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   435
		/* We set the destination height and width to 1 pixel to avoid
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   436
		   putting a large black rectangle over the screen, thus
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   437
		   strongly reducing possible flashing. */
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   438
#ifndef NO_SHARED_MEMORY
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   439
		if ( hwdata->yuv_use_mitshm ) {
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   440
			SDL_NAME(XvShmPutImage)(GFX_Display, hwdata->port,
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   441
				SDL_Window, SDL_GC,
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   442
				hwdata->image,
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   443
				0, 0, overlay->w, overlay->h,
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   444
				0, 0, 1, 1, False);
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   445
		}
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   446
		else
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   447
#endif
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   448
		{
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   449
			SDL_NAME(XvPutImage)(GFX_Display, hwdata->port,
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   450
				SDL_Window, SDL_GC,
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   451
				hwdata->image,
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   452
				0, 0, overlay->w, overlay->h,
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   453
				0, 0, 1, 1);
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   454
		}
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   455
		XSync(GFX_Display, False);
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   456
		XSetErrorHandler(X_handler);
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   457
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   458
		if (xv_error)
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   459
		{
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   460
			X11_FreeYUVOverlay(this, overlay);
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   461
			return NULL;
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   462
		}
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   463
		/* Repair the (1 pixel worth of) damage we've just done */
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   464
		X11_RefreshDisplay(this);
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   465
	}
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   466
#endif
12bb6311fd5d Hans de Goede fixed bug #495
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
   467
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   468
	/* We're all done.. */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   469
	return(overlay);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   470
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   471
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   472
int X11_LockYUVOverlay(_THIS, SDL_Overlay *overlay)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   473
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   474
	return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   475
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   476
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   477
void X11_UnlockYUVOverlay(_THIS, SDL_Overlay *overlay)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   478
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   479
	return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   480
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   481
1643
51038e80ae59 More general fix for bug #189
Sam Lantinga <slouken@libsdl.org>
parents: 1642
diff changeset
   482
int X11_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *src, SDL_Rect *dst)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   483
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   484
	struct private_yuvhwdata *hwdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   485
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   486
	hwdata = overlay->hwdata;
1642
f1211a4b7380 Fixed bug #189
Sam Lantinga <slouken@libsdl.org>
parents: 1575
diff changeset
   487
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   488
#ifndef NO_SHARED_MEMORY
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   489
	if ( hwdata->yuv_use_mitshm ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   490
		SDL_NAME(XvShmPutImage)(GFX_Display, hwdata->port, SDL_Window, SDL_GC,
1642
f1211a4b7380 Fixed bug #189
Sam Lantinga <slouken@libsdl.org>
parents: 1575
diff changeset
   491
	              hwdata->image,
1643
51038e80ae59 More general fix for bug #189
Sam Lantinga <slouken@libsdl.org>
parents: 1642
diff changeset
   492
		      src->x, src->y, src->w, src->h,
51038e80ae59 More general fix for bug #189
Sam Lantinga <slouken@libsdl.org>
parents: 1642
diff changeset
   493
		      dst->x, dst->y, dst->w, dst->h, False);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   494
	}
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   495
	else
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   496
#endif
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   497
	{
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   498
		SDL_NAME(XvPutImage)(GFX_Display, hwdata->port, SDL_Window, SDL_GC,
1642
f1211a4b7380 Fixed bug #189
Sam Lantinga <slouken@libsdl.org>
parents: 1575
diff changeset
   499
				     hwdata->image,
1643
51038e80ae59 More general fix for bug #189
Sam Lantinga <slouken@libsdl.org>
parents: 1642
diff changeset
   500
		                     src->x, src->y, src->w, src->h,
51038e80ae59 More general fix for bug #189
Sam Lantinga <slouken@libsdl.org>
parents: 1642
diff changeset
   501
		                     dst->x, dst->y, dst->w, dst->h);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   502
	}
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   503
	XSync(GFX_Display, False);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   504
	return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   505
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   506
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   507
void X11_FreeYUVOverlay(_THIS, SDL_Overlay *overlay)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   508
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   509
	struct private_yuvhwdata *hwdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   510
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   511
	hwdata = overlay->hwdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   512
	if ( hwdata ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
   513
		SDL_NAME(XvUngrabPort)(GFX_Display, hwdata->port, CurrentTime);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   514
#ifndef NO_SHARED_MEMORY
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   515
		if ( hwdata->yuv_use_mitshm ) {
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   516
			XShmDetach(GFX_Display, &hwdata->yuvshm);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   517
			shmdt(hwdata->yuvshm.shmaddr);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   518
		}
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   519
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   520
		if ( hwdata->image ) {
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
   521
			XFree(hwdata->image);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   522
		}
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   523
		SDL_free(hwdata);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   524
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   525
	if ( overlay->pitches ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   526
		SDL_free(overlay->pitches);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   527
		overlay->pitches = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   528
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   529
	if ( overlay->pixels ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   530
		SDL_free(overlay->pixels);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   531
		overlay->pixels = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   532
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   533
#ifdef XFREE86_REFRESH_HACK
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   534
	X11_EnableAutoRefresh(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   535
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   536
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   537
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
   538
#endif /* SDL_VIDEO_DRIVER_X11_XV */