Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11yuv.c @ 409:1c3cf7231cd4
Fixed memory leaks in YUV code
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 13 Jun 2002 11:57:10 +0000 |
| parents | 6ca967a46bf1 |
| children | 365f57b7c4ac |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
297
f6ffac90895c
Updated copyright information for 2002
Sam Lantinga <slouken@libsdl.org>
parents:
292
diff
changeset
|
3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
182
diff
changeset
|
20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* This is the XFree86 Xv extension implementation of YUV video overlays */ | |
| 29 | |
| 30 #ifdef XFREE86_XV | |
| 31 | |
| 32 #include <stdlib.h> | |
| 33 #include <string.h> | |
| 34 #include <X11/Xlib.h> | |
| 35 #include <sys/ipc.h> | |
| 36 #include <sys/shm.h> | |
| 37 #include <X11/extensions/XShm.h> | |
|
292
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
38 #include <XFree86/extensions/Xvlib.h> |
| 0 | 39 |
| 40 #include "SDL_error.h" | |
| 41 #include "SDL_video.h" | |
| 42 #include "SDL_x11yuv_c.h" | |
| 43 #include "SDL_yuvfuncs.h" | |
| 44 | |
| 45 #define XFREE86_REFRESH_HACK | |
| 46 #ifdef XFREE86_REFRESH_HACK | |
| 47 #include "SDL_x11image_c.h" | |
| 48 #endif | |
| 49 | |
| 50 /* Workaround when pitch != width */ | |
| 51 #define PITCH_WORKAROUND | |
| 52 | |
|
182
d4ebd1bbea9a
Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
53 /* Fix for the NVidia GeForce 2 - use the last available adaptor */ |
|
341
6ca967a46bf1
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
54 /*#define USE_LAST_ADAPTOR*/ /* Apparently the NVidia drivers are fixed */ |
|
182
d4ebd1bbea9a
Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
55 |
| 0 | 56 /* The functions used to manipulate software video overlays */ |
| 57 static struct private_yuvhwfuncs x11_yuvfuncs = { | |
| 58 X11_LockYUVOverlay, | |
| 59 X11_UnlockYUVOverlay, | |
| 60 X11_DisplayYUVOverlay, | |
| 61 X11_FreeYUVOverlay | |
| 62 }; | |
| 63 | |
| 64 struct private_yuvhwdata { | |
| 65 int port; | |
| 66 XShmSegmentInfo yuvshm; | |
|
292
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
67 SDL_NAME(XvImage) *image; |
| 0 | 68 }; |
| 69 | |
| 70 | |
| 71 SDL_Overlay *X11_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface *display) | |
| 72 { | |
| 73 SDL_Overlay *overlay; | |
| 74 struct private_yuvhwdata *hwdata; | |
| 75 int xv_port; | |
| 76 int i, j, k; | |
| 77 int adaptors; | |
|
292
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
78 SDL_NAME(XvAdaptorInfo) *ainfo; |
| 0 | 79 XShmSegmentInfo *yuvshm; |
| 80 | |
| 81 /* Look for the XVideo extension with a valid port for this format */ | |
| 82 xv_port = -1; | |
|
292
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
83 if ( (Success == SDL_NAME(XvQueryExtension)(GFX_Display, &j, &j, &j, &j, &j)) && |
|
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
84 (Success == SDL_NAME(XvQueryAdaptors)(GFX_Display, |
| 0 | 85 RootWindow(GFX_Display, SDL_Screen), |
| 86 &adaptors, &ainfo)) ) { | |
|
182
d4ebd1bbea9a
Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
87 #ifdef USE_LAST_ADAPTOR |
|
d4ebd1bbea9a
Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
88 for ( i=0; i < adaptors; ++i ) { |
|
d4ebd1bbea9a
Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
89 #else |
| 0 | 90 for ( i=0; (i < adaptors) && (xv_port == -1); ++i ) { |
|
182
d4ebd1bbea9a
Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
91 #endif /* USE_LAST_ADAPTOR */ |
| 0 | 92 /* Check to see if the visual can be used */ |
| 93 if ( BUGGY_XFREE86(<=, 4001) ) { | |
| 94 int visual_ok = 0; | |
| 95 for ( j=0; j<ainfo[i].num_formats; ++j ) { | |
| 96 if ( ainfo[i].formats[j].visual_id == | |
| 97 SDL_Visual->visualid ) { | |
| 98 visual_ok = 1; | |
| 99 break; | |
| 100 } | |
| 101 } | |
| 102 if ( ! visual_ok ) { | |
| 103 continue; | |
| 104 } | |
| 105 } | |
| 106 if ( (ainfo[i].type & XvInputMask) && | |
| 107 (ainfo[i].type & XvImageMask) ) { | |
| 108 int num_formats; | |
|
292
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
109 SDL_NAME(XvImageFormatValues) *formats; |
|
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
110 formats = SDL_NAME(XvListImageFormats)(GFX_Display, |
| 0 | 111 ainfo[i].base_id, &num_formats); |
|
182
d4ebd1bbea9a
Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
112 #ifdef USE_LAST_ADAPTOR |
|
d4ebd1bbea9a
Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
113 for ( j=0; j < num_formats; ++j ) { |
|
d4ebd1bbea9a
Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
114 #else |
| 0 | 115 for ( j=0; (j < num_formats) && (xv_port == -1); ++j ) { |
|
182
d4ebd1bbea9a
Fix XVideo on GeForce by using last available adaptor
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
116 #endif /* USE_LAST_ADAPTOR */ |
| 0 | 117 if ( (Uint32)formats[j].id == format ) { |
| 118 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
|
119 if ( Success == SDL_NAME(XvGrabPort)(GFX_Display, ainfo[i].base_id+k, CurrentTime) ) { |
| 0 | 120 xv_port = ainfo[i].base_id+k; |
| 121 break; | |
| 122 } | |
| 123 } | |
| 124 } | |
| 125 } | |
|
409
1c3cf7231cd4
Fixed memory leaks in YUV code
Sam Lantinga <slouken@libsdl.org>
parents:
341
diff
changeset
|
126 XFree(formats); |
| 0 | 127 } |
| 128 } | |
|
409
1c3cf7231cd4
Fixed memory leaks in YUV code
Sam Lantinga <slouken@libsdl.org>
parents:
341
diff
changeset
|
129 SDL_NAME(XvFreeAdaptorInfo)(ainfo); |
| 0 | 130 } |
| 131 if ( xv_port == -1 ) { | |
| 132 SDL_SetError("No available video ports for requested format"); | |
| 133 return(NULL); | |
| 134 } | |
| 135 | |
| 136 /* Create the overlay structure */ | |
| 137 overlay = (SDL_Overlay *)malloc(sizeof *overlay); | |
| 138 if ( overlay == NULL ) { | |
|
292
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
139 SDL_NAME(XvUngrabPort)(GFX_Display, xv_port, CurrentTime); |
| 0 | 140 SDL_OutOfMemory(); |
| 141 return(NULL); | |
| 142 } | |
| 143 memset(overlay, 0, (sizeof *overlay)); | |
| 144 | |
| 145 /* Fill in the basic members */ | |
| 146 overlay->format = format; | |
| 147 overlay->w = width; | |
| 148 overlay->h = height; | |
| 149 | |
| 150 /* Set up the YUV surface function structure */ | |
| 151 overlay->hwfuncs = &x11_yuvfuncs; | |
| 152 overlay->hw_overlay = 1; | |
| 153 | |
| 154 /* Create the pixel data and lookup tables */ | |
| 155 hwdata = (struct private_yuvhwdata *)malloc(sizeof *hwdata); | |
| 156 overlay->hwdata = hwdata; | |
| 157 if ( hwdata == NULL ) { | |
|
292
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
158 SDL_NAME(XvUngrabPort)(GFX_Display, xv_port, CurrentTime); |
| 0 | 159 SDL_OutOfMemory(); |
| 160 SDL_FreeYUVOverlay(overlay); | |
| 161 return(NULL); | |
| 162 } | |
| 163 yuvshm = &hwdata->yuvshm; | |
| 164 memset(yuvshm, 0, sizeof(*yuvshm)); | |
| 165 hwdata->port = xv_port; | |
|
292
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
166 hwdata->image = SDL_NAME(XvShmCreateImage)(GFX_Display, xv_port, format, |
| 0 | 167 0, width, height, yuvshm); |
| 168 | |
| 169 #ifdef PITCH_WORKAROUND | |
| 170 if ( hwdata->image != NULL && hwdata->image->pitches[0] != width ) | |
| 171 { | |
| 172 /* Ajust overlay width according to pitch */ | |
| 173 switch (format) { | |
| 174 case SDL_YV12_OVERLAY: | |
| 175 case SDL_IYUV_OVERLAY: | |
| 176 width = hwdata->image->pitches[0]; | |
| 177 break; | |
| 178 case SDL_YUY2_OVERLAY: | |
| 179 case SDL_UYVY_OVERLAY: | |
| 180 case SDL_YVYU_OVERLAY: | |
| 181 width = hwdata->image->pitches[0] / 2; | |
| 182 break; | |
| 183 default: | |
| 184 /* We should never get here (caught above) */ | |
| 185 return(NULL); | |
| 186 } | |
| 187 | |
| 188 XFree(hwdata->image); | |
|
292
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
189 hwdata->image = SDL_NAME(XvShmCreateImage)(GFX_Display, xv_port, format, |
| 0 | 190 0, width, height, yuvshm); |
| 191 } | |
| 192 #endif | |
| 193 | |
| 194 if ( hwdata->image == NULL ) { | |
| 195 SDL_OutOfMemory(); | |
| 196 SDL_FreeYUVOverlay(overlay); | |
| 197 return(NULL); | |
| 198 } | |
| 199 yuvshm->shmid = shmget(IPC_PRIVATE, hwdata->image->data_size, | |
| 200 IPC_CREAT | 0777); | |
| 201 if ( yuvshm->shmid < 0 ) { | |
| 202 SDL_SetError("Unable to get %d bytes shared memory", | |
| 203 hwdata->image->data_size); | |
| 204 SDL_FreeYUVOverlay(overlay); | |
| 205 return(NULL); | |
| 206 } | |
| 207 yuvshm->shmaddr = (char *) shmat(yuvshm->shmid, 0, 0); | |
| 208 yuvshm->readOnly = False; | |
| 209 hwdata->image->data = yuvshm->shmaddr; | |
| 210 | |
| 211 XShmAttach(GFX_Display, yuvshm); | |
| 212 XSync(GFX_Display, False); | |
| 213 shmctl(yuvshm->shmid, IPC_RMID, 0); | |
| 214 | |
| 215 /* Find the pitch and offset values for the overlay */ | |
| 216 overlay->planes = hwdata->image->num_planes; | |
| 217 overlay->pitches = (Uint16 *)malloc(overlay->planes * sizeof(Uint16)); | |
| 218 overlay->pixels = (Uint8 **)malloc(overlay->planes * sizeof(Uint8 *)); | |
| 219 if ( !overlay->pitches || !overlay->pixels ) { | |
| 220 SDL_OutOfMemory(); | |
| 221 SDL_FreeYUVOverlay(overlay); | |
| 222 return(NULL); | |
| 223 } | |
| 224 for ( i=0; i<overlay->planes; ++i ) { | |
| 225 overlay->pitches[i] = hwdata->image->pitches[i]; | |
| 226 overlay->pixels[i] = (Uint8 *)hwdata->image->data + | |
| 227 hwdata->image->offsets[i]; | |
| 228 } | |
| 229 | |
| 230 #ifdef XFREE86_REFRESH_HACK | |
| 231 /* Work around an XFree86 X server bug (?) | |
| 232 We can't perform normal updates in windows that have video | |
| 233 being output to them. See SDL_x11image.c for more details. | |
| 234 */ | |
| 235 X11_DisableAutoRefresh(this); | |
| 236 #endif | |
| 237 | |
| 238 /* We're all done.. */ | |
| 239 return(overlay); | |
| 240 } | |
| 241 | |
| 242 int X11_LockYUVOverlay(_THIS, SDL_Overlay *overlay) | |
| 243 { | |
| 244 return(0); | |
| 245 } | |
| 246 | |
| 247 void X11_UnlockYUVOverlay(_THIS, SDL_Overlay *overlay) | |
| 248 { | |
| 249 return; | |
| 250 } | |
| 251 | |
| 252 int X11_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *dstrect) | |
| 253 { | |
| 254 struct private_yuvhwdata *hwdata; | |
| 255 | |
| 256 hwdata = overlay->hwdata; | |
|
292
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
257 SDL_NAME(XvShmPutImage)(GFX_Display, hwdata->port, SDL_Window, SDL_GC, |
| 0 | 258 hwdata->image, 0, 0, overlay->w, overlay->h, |
| 259 dstrect->x, dstrect->y, dstrect->w, dstrect->h, False); | |
| 260 XSync(GFX_Display, False); | |
| 261 return(0); | |
| 262 } | |
| 263 | |
| 264 void X11_FreeYUVOverlay(_THIS, SDL_Overlay *overlay) | |
| 265 { | |
| 266 struct private_yuvhwdata *hwdata; | |
| 267 | |
| 268 hwdata = overlay->hwdata; | |
| 269 if ( hwdata ) { | |
|
292
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
270 SDL_NAME(XvUngrabPort)(GFX_Display, hwdata->port, CurrentTime); |
| 0 | 271 if ( hwdata->yuvshm.shmaddr ) { |
| 272 XShmDetach(GFX_Display, &hwdata->yuvshm); | |
| 273 shmdt(hwdata->yuvshm.shmaddr); | |
| 274 } | |
| 275 if ( hwdata->image ) { | |
| 276 XFree(hwdata->image); | |
| 277 } | |
| 278 free(hwdata); | |
| 279 } | |
| 280 if ( overlay->pitches ) { | |
| 281 free(overlay->pitches); | |
| 282 overlay->pitches = NULL; | |
| 283 } | |
| 284 if ( overlay->pixels ) { | |
| 285 free(overlay->pixels); | |
| 286 overlay->pixels = NULL; | |
| 287 } | |
| 288 #ifdef XFREE86_REFRESH_HACK | |
| 289 X11_EnableAutoRefresh(this); | |
| 290 #endif | |
| 291 } | |
| 292 | |
| 293 #endif /* XFREE86_XV */ |