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annotate src/video/x11/SDL_x11yuv.c @ 1029:f87f87efd45a

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Date: Mon, 17 Jan 2005 20:54:50 +0200 From: Ville [snip] Subject: [PATCH] SDL/DirectFB: remove Matrox CRTC2 flicker filter Hi, This patch removes the flicker filter option from the DirectFB backend's Matrox CRTC2 code in SDL. I will be removing the option from DirectFB (because it doesn't actually work) and that would cause the SDL code to fail without this fix. I was going to send this to some SDL list directly but libsdl.org is down so I'm not sure what if any lists there are. Thomas Jarosch (the guy who wrote the code) said you would accept SDL patches. Let me know if I should send this somewhere else. -- Ville Syrj�l� syrjala _at sci.fi http://www.sci.fi/~syrjala/
author Ryan C. Gordon <icculus@icculus.org>
date Mon, 17 Jan 2005 19:38:28 +0000
parents b7a5c1b64829
children 045f186426e1
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* This is the XFree86 Xv extension implementation of YUV video overlays */
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29
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30 #ifdef XFREE86_XV
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31
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32 #include <stdlib.h>
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33 #include <string.h>
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34 #include <X11/Xlib.h>
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35 #ifndef NO_SHARED_MEMORY
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36 #include <sys/ipc.h>
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37 #include <sys/shm.h>
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38 #include <X11/extensions/XShm.h>
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39 #endif
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40 #include <XFree86/extensions/Xvlib.h>
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41
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42 #include "SDL_error.h"
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43 #include "SDL_video.h"
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44 #include "SDL_x11yuv_c.h"
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45 #include "SDL_yuvfuncs.h"
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46
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47 #define XFREE86_REFRESH_HACK
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48 #ifdef XFREE86_REFRESH_HACK
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49 #include "SDL_x11image_c.h"
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50 #endif
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51
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52 /* Workaround when pitch != width */
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53 #define PITCH_WORKAROUND
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54
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55 /* Fix for the NVidia GeForce 2 - use the last available adaptor */
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56 /*#define USE_LAST_ADAPTOR*/ /* Apparently the NVidia drivers are fixed */
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57
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58 /* The functions used to manipulate software video overlays */
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59 static struct private_yuvhwfuncs x11_yuvfuncs = {
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60 X11_LockYUVOverlay,
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61 X11_UnlockYUVOverlay,
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62 X11_DisplayYUVOverlay,
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63 X11_FreeYUVOverlay
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64 };
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65
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66 struct private_yuvhwdata {
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67 int port;
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68 #ifndef NO_SHARED_MEMORY
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69 int yuv_use_mitshm;
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70 XShmSegmentInfo yuvshm;
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71 #endif
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72 SDL_NAME(XvImage) *image;
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73 };
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74
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75
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76 static int (*X_handler)(Display *, XErrorEvent *) = NULL;
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77
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78 #ifndef NO_SHARED_MEMORY
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79 /* Shared memory error handler routine */
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80 static int shm_error;
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81 static int shm_errhandler(Display *d, XErrorEvent *e)
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82 {
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83 if ( e->error_code == BadAccess ) {
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84 shm_error = True;
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85 return(0);
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86 } else
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87 return(X_handler(d,e));
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88 }
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89 #endif /* !NO_SHARED_MEMORY */
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90
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91 static int xv_error;
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92 static int xv_errhandler(Display *d, XErrorEvent *e)
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93 {
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94 if ( e->error_code == BadMatch ) {
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95 xv_error = True;
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96 return(0);
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97 } else
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98 return(X_handler(d,e));
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99 }
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100
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101 SDL_Overlay *X11_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface *display)
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102 {
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103 SDL_Overlay *overlay;
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104 struct private_yuvhwdata *hwdata;
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105 int xv_port;
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106 int i, j, k;
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107 int adaptors;
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108 SDL_NAME(XvAdaptorInfo) *ainfo;
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109 int bpp;
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110 #ifndef NO_SHARED_MEMORY
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111 XShmSegmentInfo *yuvshm;
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112 #endif
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113
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114 /* Look for the XVideo extension with a valid port for this format */
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115 xv_port = -1;
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116 if ( (Success == SDL_NAME(XvQueryExtension)(GFX_Display, &j, &j, &j, &j, &j)) &&
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117 (Success == SDL_NAME(XvQueryAdaptors)(GFX_Display,
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118 RootWindow(GFX_Display, SDL_Screen),
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119 &adaptors, &ainfo)) ) {
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120 #ifdef USE_LAST_ADAPTOR
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121 for ( i=0; i < adaptors; ++i )
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122 #else
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123 for ( i=0; (i < adaptors) && (xv_port == -1); ++i )
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124 #endif /* USE_LAST_ADAPTOR */
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125 {
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126 /* Check to see if the visual can be used */
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127 if ( BUGGY_XFREE86(<=, 4001) ) {
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128 int visual_ok = 0;
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129 for ( j=0; j<ainfo[i].num_formats; ++j ) {
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130 if ( ainfo[i].formats[j].visual_id ==
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131 SDL_Visual->visualid ) {
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132 visual_ok = 1;
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133 break;
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134 }
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135 }
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136 if ( ! visual_ok ) {
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137 continue;
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138 }
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139 }
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140 if ( (ainfo[i].type & XvInputMask) &&
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141 (ainfo[i].type & XvImageMask) ) {
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142 int num_formats;
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143 SDL_NAME(XvImageFormatValues) *formats;
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144 formats = SDL_NAME(XvListImageFormats)(GFX_Display,
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145 ainfo[i].base_id, &num_formats);
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146 #ifdef USE_LAST_ADAPTOR
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147 for ( j=0; j < num_formats; ++j )
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148 #else
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e3d0517bf67e *** empty log message ***
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parents: 494
diff changeset
149 for ( j=0; (j < num_formats) && (xv_port == -1); ++j )
182
d4ebd1bbea9a Fix XVideo on GeForce by using last available adaptor
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parents: 0
diff changeset
150 #endif /* USE_LAST_ADAPTOR */
659
e3d0517bf67e *** empty log message ***
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parents: 494
diff changeset
151 {
0
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diff changeset
152 if ( (Uint32)formats[j].id == format ) {
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diff changeset
153 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
154 if ( Success == SDL_NAME(XvGrabPort)(GFX_Display, ainfo[i].base_id+k, CurrentTime) ) {
0
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parents:
diff changeset
155 xv_port = ainfo[i].base_id+k;
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parents:
diff changeset
156 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
157 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
158 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
159 }
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parents:
diff changeset
160 }
410
365f57b7c4ac *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 409
diff changeset
161 if ( formats ) {
365f57b7c4ac *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 409
diff changeset
162 XFree(formats);
365f57b7c4ac *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 409
diff changeset
163 }
0
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parents:
diff changeset
164 }
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parents:
diff changeset
165 }
409
1c3cf7231cd4 Fixed memory leaks in YUV code
Sam Lantinga <slouken@libsdl.org>
parents: 341
diff changeset
166 SDL_NAME(XvFreeAdaptorInfo)(ainfo);
0
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parents:
diff changeset
167 }
429
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
168
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
169 /* 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
170 switch (format) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
171 /* 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
172 case SDL_YUY2_OVERLAY:
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
173 case SDL_UYVY_OVERLAY:
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
174 case SDL_YVYU_OVERLAY:
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
175 bpp = 2;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
176 break;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
177 default:
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Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
178 bpp = 1;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
179 break;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
180 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
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parents: 769
diff changeset
181
434
ed58b98c0d9d Commented double-free buggy code. Will examine more closely later.
Ryan C. Gordon <icculus@icculus.org>
parents: 429
diff changeset
182 #if 0
429
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Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
183 /*
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Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
184 * !!! FIXME:
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
185 * "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
186 * 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
187 * 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
188 *
ed58b98c0d9d Commented double-free buggy code. Will examine more closely later.
Ryan C. Gordon <icculus@icculus.org>
parents: 429
diff changeset
189 * 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
190 * 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
191 * more closely... --ryan.
429
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
192 */
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
193 for ( i=0; i < adaptors; ++i ) {
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
194 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
195 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
196 }
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Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
197 Xfree(ainfo);
434
ed58b98c0d9d Commented double-free buggy code. Will examine more closely later.
Ryan C. Gordon <icculus@icculus.org>
parents: 429
diff changeset
198 #endif
429
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Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
199
0
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parents:
diff changeset
200 if ( xv_port == -1 ) {
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parents:
diff changeset
201 SDL_SetError("No available video ports for requested format");
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parents:
diff changeset
202 return(NULL);
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parents:
diff changeset
203 }
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parents:
diff changeset
204
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
205 /* 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
206 {
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
207 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
208 unsigned int i;
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
209
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
210 SDL_NAME(XvSelectPortNotify)(GFX_Display, xv_port, True);
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
211 X_handler = XSetErrorHandler(xv_errhandler);
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
212 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
213 Atom a;
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
214
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
215 xv_error = False;
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Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
216 a = XInternAtom(GFX_Display, attr[i], True);
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
217 if ( a != None ) {
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
218 SDL_NAME(XvSetPortAttribute)(GFX_Display, xv_port, a, 1);
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
219 XSync(GFX_Display, True);
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
220 if ( ! xv_error ) {
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
221 break;
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
222 }
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
223 }
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Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
224 }
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
225 XSetErrorHandler(X_handler);
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
226 SDL_NAME(XvSelectPortNotify)(GFX_Display, xv_port, False);
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
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parents: 813
diff changeset
227 }
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
228
0
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diff changeset
229 /* Create the overlay structure */
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parents:
diff changeset
230 overlay = (SDL_Overlay *)malloc(sizeof *overlay);
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parents:
diff changeset
231 if ( overlay == NULL ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
232 SDL_NAME(XvUngrabPort)(GFX_Display, xv_port, CurrentTime);
0
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diff changeset
233 SDL_OutOfMemory();
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parents:
diff changeset
234 return(NULL);
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parents:
diff changeset
235 }
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parents:
diff changeset
236 memset(overlay, 0, (sizeof *overlay));
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parents:
diff changeset
237
74212992fb08 Initial revision
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parents:
diff changeset
238 /* Fill in the basic members */
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parents:
diff changeset
239 overlay->format = format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
240 overlay->w = width;
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parents:
diff changeset
241 overlay->h = height;
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parents:
diff changeset
242
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parents:
diff changeset
243 /* Set up the YUV surface function structure */
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parents:
diff changeset
244 overlay->hwfuncs = &x11_yuvfuncs;
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parents:
diff changeset
245 overlay->hw_overlay = 1;
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parents:
diff changeset
246
74212992fb08 Initial revision
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parents:
diff changeset
247 /* Create the pixel data and lookup tables */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
248 hwdata = (struct private_yuvhwdata *)malloc(sizeof *hwdata);
74212992fb08 Initial revision
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parents:
diff changeset
249 overlay->hwdata = hwdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
250 if ( hwdata == NULL ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
251 SDL_NAME(XvUngrabPort)(GFX_Display, xv_port, CurrentTime);
0
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parents:
diff changeset
252 SDL_OutOfMemory();
74212992fb08 Initial revision
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parents:
diff changeset
253 SDL_FreeYUVOverlay(overlay);
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parents:
diff changeset
254 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
255 }
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
256 hwdata->port = xv_port;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
257 #ifndef NO_SHARED_MEMORY
0
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parents:
diff changeset
258 yuvshm = &hwdata->yuvshm;
74212992fb08 Initial revision
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parents:
diff changeset
259 memset(yuvshm, 0, sizeof(*yuvshm));
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
260 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
261 0, width, height, yuvshm);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
262 #ifdef PITCH_WORKAROUND
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
263 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
264 /* Ajust overlay width according to pitch */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
265 XFree(hwdata->image);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
266 width = hwdata->image->pitches[0] / bpp;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
267 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
268 0, width, height, yuvshm);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
269 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
270 #endif /* PITCH_WORKAROUND */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
271 hwdata->yuv_use_mitshm = (hwdata->image != NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
272 if ( hwdata->yuv_use_mitshm ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
273 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
274 IPC_CREAT | 0777);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
275 if ( yuvshm->shmid >= 0 ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
276 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
277 yuvshm->readOnly = False;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
278 if ( yuvshm->shmaddr != (char *)-1 ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
279 shm_error = False;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
280 X_handler = XSetErrorHandler(shm_errhandler);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
281 XShmAttach(GFX_Display, yuvshm);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
282 XSync(GFX_Display, True);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
283 XSetErrorHandler(X_handler);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
284 if ( shm_error )
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
285 shmdt(yuvshm->shmaddr);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
286 } else {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
287 shm_error = True;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
288 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
289 shmctl(yuvshm->shmid, IPC_RMID, NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
290 } else {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
291 shm_error = True;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
292 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
293 if ( shm_error ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
294 XFree(hwdata->image);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
295 hwdata->yuv_use_mitshm = 0;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
296 } else {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
297 hwdata->image->data = yuvshm->shmaddr;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
298 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
299 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
300 if ( !hwdata->yuv_use_mitshm )
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
301 #endif /* NO_SHARED_MEMORY */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
302 {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
303 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
304 0, width, height);
0
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parents:
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305
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306 #ifdef PITCH_WORKAROUND
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
307 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
308 /* Ajust overlay width according to pitch */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
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309 XFree(hwdata->image);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
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310 width = hwdata->image->pitches[0] / bpp;
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Sam Lantinga <slouken@libsdl.org>
parents: 769
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311 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
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312 0, width, height);
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Sam Lantinga <slouken@libsdl.org>
parents: 769
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313 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
314 #endif /* PITCH_WORKAROUND */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
315 if ( hwdata->image == NULL ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
316 SDL_SetError("Couldn't create XVideo image");
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
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317 SDL_FreeYUVOverlay(overlay);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
318 return(NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
319 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
320 hwdata->image->data = malloc(hwdata->image->data_size);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
321 if ( hwdata->image->data == NULL ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
322 SDL_OutOfMemory();
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
323 SDL_FreeYUVOverlay(overlay);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
324 return(NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
325 }
0
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parents:
diff changeset
326 }
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parents:
diff changeset
327
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328 /* Find the pitch and offset values for the overlay */
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329 overlay->planes = hwdata->image->num_planes;
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330 overlay->pitches = (Uint16 *)malloc(overlay->planes * sizeof(Uint16));
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diff changeset
331 overlay->pixels = (Uint8 **)malloc(overlay->planes * sizeof(Uint8 *));
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parents:
diff changeset
332 if ( !overlay->pitches || !overlay->pixels ) {
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parents:
diff changeset
333 SDL_OutOfMemory();
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parents:
diff changeset
334 SDL_FreeYUVOverlay(overlay);
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parents:
diff changeset
335 return(NULL);
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parents:
diff changeset
336 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
337 for ( i=0; i<overlay->planes; ++i ) {
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parents:
diff changeset
338 overlay->pitches[i] = hwdata->image->pitches[i];
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
339 overlay->pixels[i] = (Uint8 *)hwdata->image->data +
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
340 hwdata->image->offsets[i];
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
341 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
342
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
343 #ifdef XFREE86_REFRESH_HACK
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parents:
diff changeset
344 /* Work around an XFree86 X server bug (?)
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parents:
diff changeset
345 We can't perform normal updates in windows that have video
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
346 being output to them. See SDL_x11image.c for more details.
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
347 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
348 X11_DisableAutoRefresh(this);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
349 #endif
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
350
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
351 /* We're all done.. */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
352 return(overlay);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
353 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
354
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
355 int X11_LockYUVOverlay(_THIS, SDL_Overlay *overlay)
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
356 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
357 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
358 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
359
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
360 void X11_UnlockYUVOverlay(_THIS, SDL_Overlay *overlay)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
361 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
363 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
364
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
365 int X11_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *dstrect)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
366 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
367 struct private_yuvhwdata *hwdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
368
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
369 hwdata = overlay->hwdata;
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
370 #ifndef NO_SHARED_MEMORY
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
371 if ( hwdata->yuv_use_mitshm ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
372 SDL_NAME(XvShmPutImage)(GFX_Display, hwdata->port, SDL_Window, SDL_GC,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 hwdata->image, 0, 0, overlay->w, overlay->h,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
374 dstrect->x, dstrect->y, dstrect->w, dstrect->h, False);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
375 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
376 else
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
377 #endif
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
378 {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
379 SDL_NAME(XvPutImage)(GFX_Display, hwdata->port, SDL_Window, SDL_GC,
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
380 hwdata->image, 0, 0, overlay->w, overlay->h,
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
381 dstrect->x, dstrect->y, dstrect->w, dstrect->h);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
382 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
383 XSync(GFX_Display, False);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
386
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
387 void X11_FreeYUVOverlay(_THIS, SDL_Overlay *overlay)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389 struct private_yuvhwdata *hwdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
390
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
391 hwdata = overlay->hwdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
392 if ( hwdata ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
393 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
394 #ifndef NO_SHARED_MEMORY
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
395 if ( hwdata->yuv_use_mitshm ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
396 XShmDetach(GFX_Display, &hwdata->yuvshm);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
397 shmdt(hwdata->yuvshm.shmaddr);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
398 }
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
399 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400 if ( hwdata->image ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
401 XFree(hwdata->image);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
402 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 free(hwdata);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
404 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 if ( overlay->pitches ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406 free(overlay->pitches);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
407 overlay->pitches = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
408 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
409 if ( overlay->pixels ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
410 free(overlay->pixels);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
411 overlay->pixels = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
412 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
413 #ifdef XFREE86_REFRESH_HACK
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
414 X11_EnableAutoRefresh(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
415 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
416 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
417
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
418 #endif /* XFREE86_XV */