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annotate src/video/x11/SDL_x11yuv.c @ 1070:75e8378103a9

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Forgot variable declaration
author Patrice Mandin <patmandin@gmail.com>
date Mon, 06 Jun 2005 10:45:53 +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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149 for ( j=0; (j < num_formats) && (xv_port == -1); ++j )
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150 #endif /* USE_LAST_ADAPTOR */
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151 {
0
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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!)
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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>
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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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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
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Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
192 */
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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);
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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
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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 }
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
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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parents:
diff changeset
233 SDL_OutOfMemory();
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parents:
diff changeset
234 return(NULL);
74212992fb08 Initial revision
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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 */
74212992fb08 Initial revision
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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;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
241 overlay->h = height;
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parents:
diff changeset
242
74212992fb08 Initial revision
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parents:
diff changeset
243 /* Set up the YUV surface function structure */
74212992fb08 Initial revision
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parents:
diff changeset
244 overlay->hwfuncs = &x11_yuvfuncs;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
245 overlay->hw_overlay = 1;
74212992fb08 Initial revision
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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
74212992fb08 Initial revision
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parents:
diff changeset
252 SDL_OutOfMemory();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
253 SDL_FreeYUVOverlay(overlay);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
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
74212992fb08 Initial revision
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parents:
diff changeset
258 yuvshm = &hwdata->yuvshm;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
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
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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
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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
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303 hwdata->image = SDL_NAME(XvCreateImage)(GFX_Display, xv_port, format,
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
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parents: 769
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304 0, width, height);
0
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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>
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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
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308 /* Ajust overlay width according to pitch */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
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309 XFree(hwdata->image);
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310 width = hwdata->image->pitches[0] / bpp;
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311 hwdata->image = SDL_NAME(XvCreateImage)(GFX_Display, xv_port, format,
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
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312 0, width, height);
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Sam Lantinga <slouken@libsdl.org>
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313 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
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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 ) {
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Sam Lantinga <slouken@libsdl.org>
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316 SDL_SetError("Couldn't create XVideo image");
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Sam Lantinga <slouken@libsdl.org>
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317 SDL_FreeYUVOverlay(overlay);
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Sam Lantinga <slouken@libsdl.org>
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318 return(NULL);
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Sam Lantinga <slouken@libsdl.org>
parents: 769
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319 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
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320 hwdata->image->data = malloc(hwdata->image->data_size);
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
321 if ( hwdata->image->data == NULL ) {
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
322 SDL_OutOfMemory();
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
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323 SDL_FreeYUVOverlay(overlay);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
324 return(NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
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diff changeset
325 }
0
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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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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:
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333 SDL_OutOfMemory();
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parents:
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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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parents:
diff changeset
337 for ( i=0; i<overlay->planes; ++i ) {
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diff changeset
338 overlay->pitches[i] = hwdata->image->pitches[i];
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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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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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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 */
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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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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 {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
357 return(0);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
358 }
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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)
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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
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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
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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 */