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annotate src/video/x11/SDL_x11yuv.c @ 1641:5cf11b00b900

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Fixed bug #197 On servers with the composite extension enabled, visuals with 32-bit depth have an alpha mask. This is pretty neat, but SDL needs a bit more work to handle these properly, so for now, we'll just use 24 bit depth visuals.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 17 Apr 2006 04:54:08 +0000
parents 3ba88cb7eb1b
children f1211a4b7380
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #include "SDL_config.h"
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23
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24 /* This is the XFree86 Xv extension implementation of YUV video overlays */
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25
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26 #if SDL_VIDEO_DRIVER_X11_XV
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27
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28 #include <X11/Xlib.h>
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29 #ifndef NO_SHARED_MEMORY
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30 #include <sys/ipc.h>
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31 #include <sys/shm.h>
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32 #include <X11/extensions/XShm.h>
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33 #endif
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34 #include "../Xext/extensions/Xvlib.h"
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35
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36 #include "SDL_x11yuv_c.h"
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37 #include "../SDL_yuvfuncs.h"
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38
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39 #define XFREE86_REFRESH_HACK
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40 #ifdef XFREE86_REFRESH_HACK
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41 #include "SDL_x11image_c.h"
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42 #endif
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43
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44 /* Workaround when pitch != width */
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45 #define PITCH_WORKAROUND
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46
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47 /* Fix for the NVidia GeForce 2 - use the last available adaptor */
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48 /*#define USE_LAST_ADAPTOR*/ /* Apparently the NVidia drivers are fixed */
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49
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50 /* The functions used to manipulate software video overlays */
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51 static struct private_yuvhwfuncs x11_yuvfuncs = {
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52 X11_LockYUVOverlay,
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53 X11_UnlockYUVOverlay,
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54 X11_DisplayYUVOverlay,
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55 X11_FreeYUVOverlay
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56 };
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57
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58 struct private_yuvhwdata {
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59 int port;
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60 #ifndef NO_SHARED_MEMORY
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61 int yuv_use_mitshm;
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62 XShmSegmentInfo yuvshm;
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63 #endif
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64 SDL_NAME(XvImage) *image;
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65 };
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66
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67
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68 static int (*X_handler)(Display *, XErrorEvent *) = NULL;
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69
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70 #ifndef NO_SHARED_MEMORY
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71 /* Shared memory error handler routine */
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72 static int shm_error;
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73 static int shm_errhandler(Display *d, XErrorEvent *e)
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74 {
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75 if ( e->error_code == BadAccess ) {
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76 shm_error = True;
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77 return(0);
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78 } else
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79 return(X_handler(d,e));
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80 }
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81 #endif /* !NO_SHARED_MEMORY */
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82
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83 static int xv_error;
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84 static int xv_errhandler(Display *d, XErrorEvent *e)
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85 {
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86 if ( e->error_code == BadMatch ) {
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87 xv_error = True;
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88 return(0);
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89 } else
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90 return(X_handler(d,e));
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91 }
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92
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93 SDL_Overlay *X11_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface *display)
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94 {
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95 SDL_Overlay *overlay;
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96 struct private_yuvhwdata *hwdata;
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97 int xv_port;
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98 unsigned int i, j, k;
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99 unsigned int adaptors;
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100 SDL_NAME(XvAdaptorInfo) *ainfo;
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101 int bpp;
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102 #ifndef NO_SHARED_MEMORY
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103 XShmSegmentInfo *yuvshm;
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104 #endif
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105
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106 /* Look for the XVideo extension with a valid port for this format */
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107 xv_port = -1;
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108 if ( (Success == SDL_NAME(XvQueryExtension)(GFX_Display, &j, &j, &j, &j, &j)) &&
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109 (Success == SDL_NAME(XvQueryAdaptors)(GFX_Display,
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110 RootWindow(GFX_Display, SDL_Screen),
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111 &adaptors, &ainfo)) ) {
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112 #ifdef USE_LAST_ADAPTOR
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113 for ( i=0; i < adaptors; ++i )
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114 #else
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115 for ( i=0; (i < adaptors) && (xv_port == -1); ++i )
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116 #endif /* USE_LAST_ADAPTOR */
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117 {
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118 /* Check to see if the visual can be used */
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119 if ( BUGGY_XFREE86(<=, 4001) ) {
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120 int visual_ok = 0;
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121 for ( j=0; j<ainfo[i].num_formats; ++j ) {
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122 if ( ainfo[i].formats[j].visual_id ==
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123 SDL_Visual->visualid ) {
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124 visual_ok = 1;
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125 break;
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126 }
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127 }
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128 if ( ! visual_ok ) {
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129 continue;
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130 }
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131 }
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132 if ( (ainfo[i].type & XvInputMask) &&
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133 (ainfo[i].type & XvImageMask) ) {
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134 int num_formats;
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135 SDL_NAME(XvImageFormatValues) *formats;
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136 formats = SDL_NAME(XvListImageFormats)(GFX_Display,
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137 ainfo[i].base_id, &num_formats);
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138 #ifdef USE_LAST_ADAPTOR
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139 for ( j=0; j < num_formats; ++j )
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140 #else
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141 for ( j=0; (j < num_formats) && (xv_port == -1); ++j )
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142 #endif /* USE_LAST_ADAPTOR */
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143 {
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144 if ( (Uint32)formats[j].id == format ) {
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145 for ( k=0; k < ainfo[i].num_ports; ++k ) {
292
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Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
146 if ( Success == SDL_NAME(XvGrabPort)(GFX_Display, ainfo[i].base_id+k, CurrentTime) ) {
0
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diff changeset
147 xv_port = ainfo[i].base_id+k;
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parents:
diff changeset
148 break;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
149 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
150 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
151 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
152 }
410
365f57b7c4ac *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 409
diff changeset
153 if ( formats ) {
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3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
154 XFree(formats);
410
365f57b7c4ac *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 409
diff changeset
155 }
0
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parents:
diff changeset
156 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
157 }
409
1c3cf7231cd4 Fixed memory leaks in YUV code
Sam Lantinga <slouken@libsdl.org>
parents: 341
diff changeset
158 SDL_NAME(XvFreeAdaptorInfo)(ainfo);
0
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parents:
diff changeset
159 }
429
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Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
160
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
161 /* 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
162 switch (format) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
163 /* 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
164 case SDL_YUY2_OVERLAY:
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
165 case SDL_UYVY_OVERLAY:
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
166 case SDL_YVYU_OVERLAY:
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
167 bpp = 2;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
168 break;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
169 default:
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
170 bpp = 1;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
171 break;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
172 }
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diff changeset
173
434
ed58b98c0d9d Commented double-free buggy code. Will examine more closely later.
Ryan C. Gordon <icculus@icculus.org>
parents: 429
diff changeset
174 #if 0
429
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Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
175 /*
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
176 * !!! FIXME:
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
177 * "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
178 * 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
179 * 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
180 *
ed58b98c0d9d Commented double-free buggy code. Will examine more closely later.
Ryan C. Gordon <icculus@icculus.org>
parents: 429
diff changeset
181 * 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
182 * 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
183 * more closely... --ryan.
429
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
184 */
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Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
185 for ( i=0; i < adaptors; ++i ) {
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Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
186 if (ainfo[i].name != NULL) Xfree(ainfo[i].name);
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Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
187 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
188 }
c1666427297c Memory leak fixes by Bill May.
Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
189 Xfree(ainfo);
434
ed58b98c0d9d Commented double-free buggy code. Will examine more closely later.
Ryan C. Gordon <icculus@icculus.org>
parents: 429
diff changeset
190 #endif
429
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Ryan C. Gordon <icculus@icculus.org>
parents: 410
diff changeset
191
0
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parents:
diff changeset
192 if ( xv_port == -1 ) {
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parents:
diff changeset
193 SDL_SetError("No available video ports for requested format");
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parents:
diff changeset
194 return(NULL);
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parents:
diff changeset
195 }
74212992fb08 Initial revision
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parents:
diff changeset
196
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
197 /* 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
198 {
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
199 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
200 unsigned int i;
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
201
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
202 SDL_NAME(XvSelectPortNotify)(GFX_Display, xv_port, True);
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
203 X_handler = XSetErrorHandler(xv_errhandler);
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
204 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
205 Atom a;
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 xv_error = False;
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
208 a = XInternAtom(GFX_Display, attr[i], True);
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
209 if ( a != None ) {
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
210 SDL_NAME(XvSetPortAttribute)(GFX_Display, xv_port, a, 1);
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
211 XSync(GFX_Display, True);
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
212 if ( ! xv_error ) {
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
213 break;
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 }
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
216 }
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
217 XSetErrorHandler(X_handler);
950
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
218 SDL_NAME(XvSelectPortNotify)(GFX_Display, xv_port, False);
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
219 }
b7a5c1b64829 Date: Tue, 24 Aug 2004 06:16:32 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 813
diff changeset
220
0
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parents:
diff changeset
221 /* Create the overlay structure */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
222 overlay = (SDL_Overlay *)SDL_malloc(sizeof *overlay);
0
74212992fb08 Initial revision
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parents:
diff changeset
223 if ( overlay == NULL ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
224 SDL_NAME(XvUngrabPort)(GFX_Display, xv_port, CurrentTime);
0
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parents:
diff changeset
225 SDL_OutOfMemory();
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parents:
diff changeset
226 return(NULL);
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parents:
diff changeset
227 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1312
diff changeset
228 SDL_memset(overlay, 0, (sizeof *overlay));
0
74212992fb08 Initial revision
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parents:
diff changeset
229
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parents:
diff changeset
230 /* Fill in the basic members */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
231 overlay->format = format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
232 overlay->w = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
233 overlay->h = height;
74212992fb08 Initial revision
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parents:
diff changeset
234
74212992fb08 Initial revision
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parents:
diff changeset
235 /* Set up the YUV surface function structure */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
236 overlay->hwfuncs = &x11_yuvfuncs;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
237 overlay->hw_overlay = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
238
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parents:
diff changeset
239 /* Create the pixel data and lookup tables */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
240 hwdata = (struct private_yuvhwdata *)SDL_malloc(sizeof *hwdata);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
241 overlay->hwdata = hwdata;
74212992fb08 Initial revision
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parents:
diff changeset
242 if ( hwdata == NULL ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
243 SDL_NAME(XvUngrabPort)(GFX_Display, xv_port, CurrentTime);
0
74212992fb08 Initial revision
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parents:
diff changeset
244 SDL_OutOfMemory();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
245 SDL_FreeYUVOverlay(overlay);
74212992fb08 Initial revision
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parents:
diff changeset
246 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
247 }
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
248 hwdata->port = xv_port;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
249 #ifndef NO_SHARED_MEMORY
0
74212992fb08 Initial revision
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parents:
diff changeset
250 yuvshm = &hwdata->yuvshm;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
251 SDL_memset(yuvshm, 0, sizeof(*yuvshm));
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
252 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
253 0, width, height, yuvshm);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
254 #ifdef PITCH_WORKAROUND
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
255 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
256 /* Ajust overlay width according to pitch */
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
257 XFree(hwdata->image);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
258 width = hwdata->image->pitches[0] / bpp;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
259 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
260 0, width, height, yuvshm);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
261 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
262 #endif /* PITCH_WORKAROUND */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
263 hwdata->yuv_use_mitshm = (hwdata->image != NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
264 if ( hwdata->yuv_use_mitshm ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
265 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
266 IPC_CREAT | 0777);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
267 if ( yuvshm->shmid >= 0 ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
268 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
269 yuvshm->readOnly = False;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
270 if ( yuvshm->shmaddr != (char *)-1 ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
271 shm_error = False;
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
272 X_handler = XSetErrorHandler(shm_errhandler);
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
273 XShmAttach(GFX_Display, yuvshm);
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
274 XSync(GFX_Display, True);
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
275 XSetErrorHandler(X_handler);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
276 if ( shm_error )
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
277 shmdt(yuvshm->shmaddr);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
278 } else {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
279 shm_error = True;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
280 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
281 shmctl(yuvshm->shmid, IPC_RMID, NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
282 } else {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
283 shm_error = True;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
284 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
285 if ( shm_error ) {
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
286 XFree(hwdata->image);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
287 hwdata->yuv_use_mitshm = 0;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
288 } else {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
289 hwdata->image->data = yuvshm->shmaddr;
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
290 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
291 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
292 if ( !hwdata->yuv_use_mitshm )
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
293 #endif /* NO_SHARED_MEMORY */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
294 {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
295 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
296 0, width, height);
0
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297
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298 #ifdef PITCH_WORKAROUND
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
299 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
300 /* Ajust overlay width according to pitch */
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
301 XFree(hwdata->image);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
302 width = hwdata->image->pitches[0] / bpp;
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);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
305 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
306 #endif /* PITCH_WORKAROUND */
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
307 if ( hwdata->image == NULL ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
308 SDL_SetError("Couldn't create XVideo image");
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
309 SDL_FreeYUVOverlay(overlay);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
310 return(NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
311 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
312 hwdata->image->data = SDL_malloc(hwdata->image->data_size);
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
313 if ( hwdata->image->data == NULL ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
314 SDL_OutOfMemory();
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
315 SDL_FreeYUVOverlay(overlay);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
316 return(NULL);
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
317 }
0
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parents:
diff changeset
318 }
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parents:
diff changeset
319
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parents:
diff changeset
320 /* Find the pitch and offset values for the overlay */
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parents:
diff changeset
321 overlay->planes = hwdata->image->num_planes;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
322 overlay->pitches = (Uint16 *)SDL_malloc(overlay->planes * sizeof(Uint16));
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
323 overlay->pixels = (Uint8 **)SDL_malloc(overlay->planes * sizeof(Uint8 *));
0
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parents:
diff changeset
324 if ( !overlay->pitches || !overlay->pixels ) {
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parents:
diff changeset
325 SDL_OutOfMemory();
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
326 SDL_FreeYUVOverlay(overlay);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
327 return(NULL);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
328 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
329 for ( i=0; i<overlay->planes; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
330 overlay->pitches[i] = hwdata->image->pitches[i];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
331 overlay->pixels[i] = (Uint8 *)hwdata->image->data +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
332 hwdata->image->offsets[i];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
333 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
334
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
335 #ifdef XFREE86_REFRESH_HACK
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
336 /* Work around an XFree86 X server bug (?)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
337 We can't perform normal updates in windows that have video
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
338 being output to them. See SDL_x11image.c for more details.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
339 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
340 X11_DisableAutoRefresh(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
341 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
342
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
343 /* We're all done.. */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
344 return(overlay);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
345 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
346
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
347 int X11_LockYUVOverlay(_THIS, SDL_Overlay *overlay)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
348 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
349 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
350 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
351
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
352 void X11_UnlockYUVOverlay(_THIS, SDL_Overlay *overlay)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
353 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
354 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
355 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
356
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
357 int X11_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *dstrect)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
358 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
359 struct private_yuvhwdata *hwdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
360
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
361 hwdata = overlay->hwdata;
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
362 #ifndef NO_SHARED_MEMORY
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
363 if ( hwdata->yuv_use_mitshm ) {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
364 SDL_NAME(XvShmPutImage)(GFX_Display, hwdata->port, SDL_Window, SDL_GC,
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
365 hwdata->image, 0, 0, overlay->w, overlay->h,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
366 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
367 }
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
368 else
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
369 #endif
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
370 {
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
371 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
372 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
373 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
374 }
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
375 XSync(GFX_Display, False);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
376 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
378
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
379 void X11_FreeYUVOverlay(_THIS, SDL_Overlay *overlay)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
380 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
381 struct private_yuvhwdata *hwdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
382
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
383 hwdata = overlay->hwdata;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384 if ( hwdata ) {
292
eadc0746dfaf Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
385 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
386 #ifndef NO_SHARED_MEMORY
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
387 if ( hwdata->yuv_use_mitshm ) {
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
388 XShmDetach(GFX_Display, &hwdata->yuvshm);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389 shmdt(hwdata->yuvshm.shmaddr);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
390 }
813
6a2c6717b386 Added support for remote XVideo (thanks Frederic!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
391 #endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
392 if ( hwdata->image ) {
1575
3ba88cb7eb1b Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents: 1402
diff changeset
393 XFree(hwdata->image);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
394 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
395 SDL_free(hwdata);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
396 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
397 if ( overlay->pitches ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
398 SDL_free(overlay->pitches);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
399 overlay->pitches = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
401 if ( overlay->pixels ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
402 SDL_free(overlay->pixels);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 overlay->pixels = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
404 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 #ifdef XFREE86_REFRESH_HACK
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406 X11_EnableAutoRefresh(this);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
407 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
408 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
409
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
410 #endif /* SDL_VIDEO_DRIVER_X11_XV */