Mercurial > sdl-ios-xcode
annotate src/video/photon/SDL_phyuv.c @ 313:67ad846ed21c
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 20 Mar 2002 02:37:44 +0000 |
| parents | f6ffac90895c |
| children | ba72f259bc88 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
297
f6ffac90895c
Updated copyright information for 2002
Sam Lantinga <slouken@libsdl.org>
parents:
252
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:
0
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 QNX Realtime Platform version for SDL YUV video overlays */ | |
| 29 | |
| 30 #include <stdlib.h> | |
| 31 #include <string.h> | |
| 32 //#include <ncurses.h> //only for bool | |
| 33 #ifndef bool | |
| 34 #define bool char | |
| 35 #define TRUE 1 | |
| 36 #define FALSE 0 | |
| 37 #endif | |
| 38 #include <errno.h> | |
| 39 | |
| 40 #include <Ph.h> | |
| 41 #include <Pt.h> | |
| 42 | |
| 43 #include "SDL_error.h" | |
| 44 #include "SDL_video.h" | |
| 45 #include "SDL_phyuv_c.h" | |
| 46 #include "SDL_yuvfuncs.h" | |
| 47 | |
| 48 #if 0 //just for reference | |
| 49 /* YUV data formats FourCC Layout H sample (YUV) V sample (YUV) BPP */ | |
| 50 #define Pg_VIDEO_FORMAT_IYU1 0x31555949 /* U2Y2Y2V2Y2Y2 144 111 12 */ | |
| 51 #define Pg_VIDEO_FORMAT_IYU2 0x32555949 /* U4Y4V4U4Y4V4 111 111 24 */ | |
| 52 #define Pg_VIDEO_FORMAT_UYVY 0x59565955 /* U8Y8V8Y8 122 111 16 */ | |
| 53 #define Pg_VIDEO_FORMAT_YUY2 0x32595559 /* Y8U8Y8V8 122 111 16 */ | |
| 54 #define Pg_VIDEO_FORMAT_YVYU 0x55595659 /* Y8V8Y8U8 122 111 16 */ | |
| 55 #define Pg_VIDEO_FORMAT_V422 0x56343232 /* V8Y8U8Y8 122 111 16 */ | |
| 56 #define Pg_VIDEO_FORMAT_CLJR 0x524a4c43 /* V6U6Y5Y5Y5Y5 133 111 8 */ | |
| 57 #define Pg_VIDEO_FORMAT_YVU9 0x39555659 /* Planar YVU 144 144 9 */ | |
| 58 #define Pg_VIDEO_FORMAT_YV12 0x32315659 /* Planar YUV 122 122 12 */ | |
| 59 | |
| 60 /* There seems to be no FourCC that matches this */ | |
| 61 #define Pg_VIDEO_FORMAT_YUV420 0x00000100 /* Planar YUV 122 111 16 */ | |
| 62 | |
| 63 /* These formats are the same as YV12, except the U and V planes do not have to contiguously follow the Y plane */ | |
| 64 /* but they're all the same to us, since we always have 3 plane pointers */ | |
| 65 #define Pg_VIDEO_FORMAT_CLPL Pg_VIDEO_FORMAT_YV12 /* Cirrus Logic Planar format */ | |
| 66 #define Pg_VIDEO_FORMAT_VBPL Pg_VIDEO_FORMAT_YV12 /* VooDoo Banshee planar format */ | |
| 67 | |
| 68 #define SDL_YV12_OVERLAY 0x32315659 /* Planar mode: Y + V + U */ | |
| 69 #define SDL_IYUV_OVERLAY 0x56555949 /* Planar mode: Y + U + V */ | |
| 70 #define SDL_YUY2_OVERLAY 0x32595559 /* Packed mode: Y0+U0+Y1+V0 */ | |
| 71 #define SDL_UYVY_OVERLAY 0x59565955 /* Packed mode: U0+Y0+V0+Y1 */ | |
| 72 #define SDL_YVYU_OVERLAY 0x55595659 /* Packed mode: Y0+V0+Y1+U0 */ | |
| 73 | |
| 74 #endif | |
| 75 | |
| 76 | |
| 77 #define OVERLAY_STATE_UNINIT 0 | |
| 78 #define OVERLAY_STATE_ACTIVE 1 | |
| 79 | |
| 80 /* The functions used to manipulate software video overlays */ | |
| 81 static struct private_yuvhwfuncs ph_yuvfuncs = { | |
| 82 ph_LockYUVOverlay, | |
| 83 ph_UnlockYUVOverlay, | |
| 84 ph_DisplayYUVOverlay, | |
| 85 ph_FreeYUVOverlay | |
| 86 }; | |
| 87 | |
| 88 | |
| 89 typedef struct { | |
| 90 int id; | |
| 91 int width, height; | |
| 92 int data_size; /* bytes */ | |
| 93 int num_planes; | |
| 94 int *pitches; /* bytes */ | |
| 95 int *offsets; /* bytes */ | |
| 96 char *data; | |
| 97 void *obdata; | |
| 98 } XvImage; | |
| 99 | |
| 100 | |
| 101 struct private_yuvhwdata { | |
| 102 XvImage *image; | |
| 103 FRAMEDATA *CurrentFrameData; | |
| 104 FRAMEDATA *FrameData0; | |
| 105 FRAMEDATA *FrameData1; | |
| 106 PgScalerProps_t props; | |
| 107 PgScalerCaps_t caps; | |
| 108 PgVideoChannel_t *channel; | |
| 109 SDL_Rect CurrentWindow; | |
| 110 long format; | |
| 111 int screen_width; | |
| 112 int screen_height ; | |
| 113 int screen_bpp ; //2 | |
| 114 bool planar; | |
| 115 bool scaler_on ; | |
| 116 int current; | |
| 117 long YStride; | |
| 118 long VStride; | |
| 119 long UStride; | |
| 120 long chromakey; | |
| 121 unsigned long State; | |
| 122 long flags; | |
| 123 }; | |
| 124 | |
| 125 extern PgVideoChannel_t * PgCreateVideoChannel(unsigned type, unsigned flags); | |
| 126 extern int PgGetScalerCapabilities( PgVideoChannel_t *channel, int format_index, PgScalerCaps_t *vcaps ); | |
| 127 extern int PgConfigScalerChannel(PgVideoChannel_t *channel, PgScalerProps_t *props); | |
| 128 extern void PgDestroyVideoChannel(PgVideoChannel_t *channel); | |
| 129 extern PgColor_t PgGetOverlayChromaColor(void); | |
| 130 | |
| 131 void | |
| 132 grab_ptrs2(PgVideoChannel_t *channel, FRAMEDATA *Frame0, FRAMEDATA *Frame1 ) | |
| 133 { | |
| 134 | |
| 135 /* Buffers have moved; re-obtain the pointers */ | |
| 136 Frame0->Y = (unsigned char *)PdGetOffscreenContextPtr(channel->yplane1); | |
| 137 Frame1->Y = (unsigned char *)PdGetOffscreenContextPtr(channel->yplane2); | |
| 138 Frame0->U = (unsigned char *)PdGetOffscreenContextPtr(channel->uplane1); | |
| 139 Frame1->U = (unsigned char *)PdGetOffscreenContextPtr(channel->uplane2); | |
| 140 Frame0->V = (unsigned char *)PdGetOffscreenContextPtr(channel->vplane1); | |
| 141 Frame1->V = (unsigned char *)PdGetOffscreenContextPtr(channel->vplane2); | |
| 142 | |
| 143 } | |
| 144 | |
| 145 SDL_Overlay *ph_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface *display) | |
| 146 { | |
| 147 SDL_Overlay *overlay; | |
| 148 struct private_yuvhwdata *hwdata; | |
| 149 int xv_port; | |
| 150 int rtncode; | |
| 151 // PhRect_t rect; | |
| 152 // PhSysInfo_t info; | |
| 153 // PhRegion_t region; | |
| 154 // short x, y; | |
| 155 PtArg_t argt; | |
| 156 int i =0; | |
| 157 // bool bCont = TRUE; | |
| 158 int Priority[20]; | |
| 159 int Type[20]; | |
| 160 int entries, select, highest; | |
| 161 | |
| 162 PhDCSetCurrent(0); //Need to set draw context to window esp. if we we in Offscreeen mode | |
| 163 | |
| 164 /* Create the overlay structure */ | |
| 165 overlay = (SDL_Overlay *)malloc(sizeof *overlay); | |
| 166 if ( overlay == NULL ) { | |
| 167 SDL_OutOfMemory(); | |
| 168 return(NULL); | |
| 169 } | |
| 170 memset(overlay, 0, (sizeof *overlay)); | |
| 171 | |
| 172 /* Fill in the basic members */ | |
| 173 overlay->format = format; | |
| 174 overlay->w = width; | |
| 175 overlay->h = height; | |
| 176 | |
| 177 /* Set up the YUV surface function structure */ | |
| 178 overlay->hwfuncs = &ph_yuvfuncs; | |
| 179 | |
| 180 /* Create the pixel data and lookup tables */ | |
| 181 hwdata = (struct private_yuvhwdata *)malloc(sizeof *hwdata); | |
| 182 overlay->hwdata = hwdata; | |
| 183 if ( hwdata == NULL ) { | |
| 184 SDL_OutOfMemory(); | |
| 185 SDL_FreeYUVOverlay(overlay); | |
| 186 return(NULL); | |
| 187 } | |
| 188 | |
| 189 if (overlay->hwdata->channel == NULL) | |
| 190 { | |
| 191 | |
| 192 | |
| 193 if ((overlay->hwdata->channel = PgCreateVideoChannel(Pg_VIDEO_CHANNEL_SCALER,0)) == NULL) | |
| 194 { | |
| 195 SDL_SetError("Create channel failed:%s\n", strerror( errno )); | |
| 196 free(overlay->hwdata); | |
| 197 free(overlay); | |
| 198 return(NULL); | |
| 199 } | |
| 200 #if 0 | |
| 201 overlay->hwdata->caps.size = sizeof (overlay->hwdata->caps); | |
| 202 PgGetScalerCapabilities(overlay->hwdata->channel, 0, &(overlay->hwdata->caps)); | |
| 203 if (overlay->hwdata->caps.flags & Pg_SCALER_CAP_DOUBLE_BUFFER) | |
| 204 overlay->hwdata->props.flags |= Pg_SCALER_PROP_DOUBLE_BUFFER; | |
| 205 #endif | |
| 206 } | |
| 207 | |
| 208 overlay->hwdata->CurrentWindow.x = 0; | |
| 209 overlay->hwdata->CurrentWindow.y = 0; | |
| 210 overlay->hwdata->CurrentWindow.w = 320; | |
| 211 overlay->hwdata->CurrentWindow.h = 240; | |
| 212 | |
| 213 | |
| 214 | |
| 215 overlay->hwdata->State = OVERLAY_STATE_UNINIT; | |
| 216 | |
| 217 overlay->hwdata->screen_bpp = 2; | |
| 218 overlay->hwdata->scaler_on = FALSE; | |
| 219 | |
| 220 overlay->hwdata->screen_width = 1024; | |
| 221 overlay->hwdata->screen_height = 768; | |
| 222 | |
| 223 overlay->hwdata->FrameData0 = (FRAMEDATA *) malloc((size_t)(sizeof( FRAMEDATA))); | |
| 224 overlay->hwdata->FrameData1 = (FRAMEDATA *) malloc((size_t)(sizeof( FRAMEDATA))); | |
| 225 | |
| 226 overlay->hwdata->caps.size = sizeof(overlay->hwdata->caps); | |
| 227 | |
| 228 | |
| 229 //Note you really don't need to do this for SDL as you are given a format, but this is a good example | |
| 230 | |
| 231 xv_port = -1; | |
| 232 i=0; | |
| 233 | |
| 234 while(PgGetScalerCapabilities(overlay->hwdata->channel, i++, &(overlay->hwdata->caps)) == 0) | |
| 235 { | |
| 236 | |
| 237 if(overlay->hwdata->caps.format == Pg_VIDEO_FORMAT_YV12) //in SDL | |
| 238 { | |
| 239 | |
| 240 Priority[i-1] = 0; | |
| 241 Type[i-1] = Pg_VIDEO_FORMAT_YV12; | |
| 242 if(format == Pg_VIDEO_FORMAT_YV12) | |
| 243 { | |
| 244 overlay->hwdata->props.format = Pg_VIDEO_FORMAT_YV12; | |
| 245 xv_port = 1; //supported | |
| 246 Priority[i-1] = 100; //force selected | |
| 247 } | |
| 248 | |
| 249 } | |
| 250 else if(overlay->hwdata->caps.format == Pg_VIDEO_FORMAT_YVU9) //in SDL | |
| 251 { | |
| 252 | |
| 253 Priority[i-1] = 0; | |
| 254 Type[i-1] = Pg_VIDEO_FORMAT_YVU9; | |
| 255 if(format == Pg_VIDEO_FORMAT_YVU9) | |
| 256 { | |
| 257 overlay->hwdata->props.format = Pg_VIDEO_FORMAT_YVU9; | |
| 258 xv_port = 1; //supported | |
| 259 Priority[i-1] = 100; //force selected | |
| 260 } | |
| 261 | |
| 262 } | |
| 263 #if 0 //this part of SDL is YUV specific | |
| 264 else if(overlay->hwdata->caps.format == Pg_VIDEO_FORMAT_RGB555) | |
| 265 { | |
| 266 | |
| 267 Priority[i-1] = 3; | |
| 268 Type[i-1] = Pg_VIDEO_FORMAT_RGB555; | |
| 269 } | |
| 270 else if(overlay->hwdata->caps.format == Pg_VIDEO_FORMAT_RGB565) | |
| 271 { | |
| 272 | |
| 273 Priority[i-1] = 2; | |
| 274 Type[i-1] = Pg_VIDEO_FORMAT_RGB565; | |
| 275 } | |
| 276 else if(overlay->hwdata->caps.format == Pg_VIDEO_FORMAT_RGB8888) | |
| 277 { | |
| 278 | |
| 279 Priority[i-1] = 1; | |
| 280 Type[i-1] = Pg_VIDEO_FORMAT_RGB8888; | |
| 281 } | |
| 282 #endif | |
| 283 else if(overlay->hwdata->caps.format == Pg_VIDEO_FORMAT_IYU1) | |
| 284 { | |
| 285 | |
| 286 Priority[i-1] = 0; | |
| 287 Type[i-1] = Pg_VIDEO_FORMAT_IYU1; | |
| 288 | |
| 289 } | |
| 290 else if(overlay->hwdata->caps.format == Pg_VIDEO_FORMAT_IYU2) | |
| 291 { | |
| 292 | |
| 293 Priority[i-1] = 0; | |
| 294 Type[i-1] = Pg_VIDEO_FORMAT_IYU2; | |
| 295 } | |
| 296 | |
| 297 else if(overlay->hwdata->caps.format == Pg_VIDEO_FORMAT_UYVY) //in SDL | |
| 298 { | |
| 299 | |
| 300 Priority[i-1] = 7; | |
| 301 Type[i-1] = Pg_VIDEO_FORMAT_UYVY; | |
| 302 if(format == Pg_VIDEO_FORMAT_UYVY) | |
| 303 { | |
| 304 overlay->hwdata->props.format = Pg_VIDEO_FORMAT_UYVY; | |
| 305 xv_port = 1; //supported | |
| 306 Priority[i-1] = 100; //force selected | |
| 307 } | |
| 308 | |
| 309 } | |
| 310 else if(overlay->hwdata->caps.format == Pg_VIDEO_FORMAT_YUY2) //in SDL | |
| 311 { | |
| 312 | |
| 313 Priority[i-1] = 8; | |
| 314 Type[i-1] = Pg_VIDEO_FORMAT_YUY2; | |
| 315 if(format == Pg_VIDEO_FORMAT_YUY2) | |
| 316 { | |
| 317 overlay->hwdata->props.format = Pg_VIDEO_FORMAT_YUY2; | |
| 318 xv_port = 1; //supported | |
| 319 Priority[i-1] = 100; //force selected | |
| 320 } | |
| 321 | |
| 322 } | |
| 323 else if(overlay->hwdata->caps.format == Pg_VIDEO_FORMAT_YVYU) //in SDL | |
| 324 { | |
| 325 | |
| 326 Priority[i-1] = 4; | |
| 327 Type[i-1] = Pg_VIDEO_FORMAT_YVYU; | |
| 328 | |
| 329 if(format == Pg_VIDEO_FORMAT_YVYU) | |
| 330 { | |
| 331 overlay->hwdata->props.format = Pg_VIDEO_FORMAT_YVYU; | |
| 332 xv_port = 1; //supported | |
| 333 Priority[i-1] = 100; //force selected | |
| 334 | |
| 335 } | |
| 336 | |
| 337 } | |
| 338 else if(overlay->hwdata->caps.format == Pg_VIDEO_FORMAT_V422) | |
| 339 { | |
| 340 | |
| 341 Priority[i-1] = 5; | |
| 342 Type[i-1] = Pg_VIDEO_FORMAT_V422; | |
| 343 } | |
| 344 else if(overlay->hwdata->caps.format == Pg_VIDEO_FORMAT_CLJR) | |
| 345 { | |
| 346 | |
| 347 Priority[i-1] = 6; | |
| 348 Type[i-1] = Pg_VIDEO_FORMAT_CLJR; | |
| 349 } | |
| 350 else | |
| 351 { | |
| 352 | |
| 353 Priority[i-1] = 0; | |
| 354 } | |
| 355 | |
| 356 overlay->hwdata->caps.size = sizeof(overlay->hwdata->caps); | |
| 357 } | |
| 358 | |
| 359 if ( xv_port == -1 ) | |
| 360 { | |
| 361 SDL_SetError("No available video ports for requested format"); | |
| 362 return(NULL); | |
| 363 } | |
| 364 | |
| 365 //Pick the highest priority format | |
| 366 entries = i -2; | |
| 367 highest = Priority[0]; //make first entry top at begining | |
| 368 select = 0; | |
| 369 | |
| 370 for (i = 1; i < entries; i++) | |
| 371 { | |
| 372 | |
| 373 | |
| 374 if(Priority[i] > highest) | |
| 375 { | |
| 376 highest = Priority[i]; | |
| 377 select = i; | |
| 378 } | |
| 379 } | |
| 380 | |
| 381 | |
| 382 | |
| 383 overlay->hwdata->caps.size = sizeof (overlay->hwdata->caps ); | |
| 384 PgGetScalerCapabilities(overlay->hwdata->channel, select, &(overlay->hwdata->caps)); | |
| 385 overlay->hwdata->props.format = overlay->hwdata->caps.format ; | |
| 386 | |
| 387 overlay->hwdata->format = overlay->hwdata->props.format; //to make easier for apps to use | |
| 388 | |
| 389 | |
| 390 overlay->hwdata->props.size = sizeof (overlay->hwdata->props); | |
| 391 overlay->hwdata->props.src_dim.w = width; | |
| 392 overlay->hwdata->props.src_dim.h = height; | |
| 393 | |
| 394 overlay->hwdata->chromakey = PgGetOverlayChromaColor(); | |
| 395 | |
| 396 // Set chromakey in video widget so we can see overlay data | |
| 397 /* I don't know where the container widget is!!!, I guess it is in hidden->window*/ | |
| 398 | |
| 399 PtEnter(0); | |
| 400 PtSetArg( &argt, Pt_ARG_FILL_COLOR, overlay->hwdata->chromakey, 0 ); | |
| 401 PtSetResources( window, 1, &argt ); | |
| 402 PtLeave(0); | |
| 403 | |
| 404 | |
| 405 fflush( stderr ); | |
| 406 | |
| 407 overlay->hwdata->props.viewport.ul.x = overlay->hwdata->CurrentWindow.x; | |
| 408 overlay->hwdata->props.viewport.ul.y = overlay->hwdata->CurrentWindow.y; | |
| 409 //Next line MIGHT have x and y reversed!!!!!!!!!!!! | |
| 410 overlay->hwdata->props.viewport.lr.x = overlay->hwdata->CurrentWindow.x +overlay->hwdata->CurrentWindow.w; | |
| 411 overlay->hwdata->props.viewport.lr.y = overlay->hwdata->CurrentWindow.y + overlay->hwdata->CurrentWindow.h; | |
| 412 | |
| 413 | |
| 414 | |
| 415 overlay->hwdata->props.flags = | |
| 416 ~Pg_SCALER_PROP_SCALER_ENABLE | Pg_SCALER_PROP_DOUBLE_BUFFER ; | |
| 417 | |
| 418 if (overlay->hwdata->chromakey) { | |
| 419 overlay->hwdata->props.flags |= Pg_SCALER_PROP_CHROMA_ENABLE; | |
| 420 overlay->hwdata->props.color_key = overlay->hwdata->chromakey; | |
| 421 overlay->hwdata->props.color_key_mask = 0xffffff; | |
| 422 } | |
| 423 else | |
| 424 { | |
| 425 overlay->hwdata->props.flags &= ~Pg_SCALER_PROP_CHROMA_ENABLE; | |
| 426 } | |
| 427 | |
| 428 | |
| 429 overlay->hwdata->scaler_on = FALSE; | |
| 430 | |
| 431 | |
| 432 | |
| 433 rtncode = PgConfigScalerChannel(overlay->hwdata->channel, &(overlay->hwdata->props)); | |
| 434 switch(rtncode) | |
| 435 { | |
| 436 case -1: | |
| 437 SDL_SetError("PgConfigScalerChannel failed\n"); | |
| 438 SDL_FreeYUVOverlay(overlay); | |
| 439 return(NULL); | |
| 440 break; | |
| 441 case 1: | |
| 442 grab_ptrs2(overlay->hwdata->channel, overlay->hwdata->FrameData0, overlay->hwdata->FrameData1); | |
| 443 break; | |
| 444 case 0: | |
| 445 default: | |
| 446 break; | |
| 447 } | |
| 448 | |
| 449 | |
| 450 grab_ptrs2(overlay->hwdata->channel, overlay->hwdata->FrameData0, overlay->hwdata->FrameData1); | |
| 451 | |
| 452 if(overlay->hwdata->channel->yplane1 != NULL) | |
| 453 overlay->hwdata->YStride = overlay->hwdata->channel->yplane1->pitch; | |
| 454 if(overlay->hwdata->channel->uplane1 != NULL) | |
| 455 overlay->hwdata->UStride = overlay->hwdata->channel->uplane1->pitch; | |
| 456 if(overlay->hwdata->channel->vplane1 != NULL) | |
| 457 overlay->hwdata->VStride = overlay->hwdata->channel->vplane1->pitch; | |
| 458 | |
| 459 | |
| 460 overlay->hwdata->current = PgNextVideoFrame(overlay->hwdata->channel); | |
| 461 | |
| 462 | |
| 463 | |
| 464 if (overlay->hwdata->current == -1) | |
| 465 { | |
| 466 SDL_SetError("PgNextFrame failed, bailing out\n"); | |
| 467 SDL_FreeYUVOverlay(overlay); | |
| 468 return(NULL); | |
| 469 } | |
| 470 | |
| 471 //set current frame for double buffering | |
| 472 if(overlay->hwdata->current == 0) | |
| 473 { | |
| 474 overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0; | |
| 475 } | |
| 476 else | |
| 477 { | |
| 478 overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData1; | |
| 479 } | |
| 480 | |
| 481 overlay->hwdata->State = OVERLAY_STATE_ACTIVE; | |
| 482 | |
| 483 | |
| 484 /* We're all done.. */ | |
| 485 return(overlay); | |
| 486 } | |
| 487 | |
| 488 int ph_LockYUVOverlay(_THIS, SDL_Overlay *overlay) | |
| 489 { | |
| 490 //int rtncode; | |
| 491 | |
| 492 if(overlay == NULL) | |
| 493 return 0; | |
| 494 | |
| 495 //set current frame for double buffering | |
| 496 if(overlay->hwdata->current == 0) | |
| 497 { | |
| 498 overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0; | |
| 499 } | |
| 500 else | |
| 501 { | |
| 502 overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData1; | |
| 503 } | |
| 504 | |
| 505 //Lock gets the pointer and passes it to the app. The app writes all yuv data into overlay->pixels | |
| 506 //Note this is defined as Uint8 **pixels; /* Read-write */ | |
| 507 overlay->pixels = &overlay->hwdata->CurrentFrameData->Y; | |
| 508 overlay->pitches = &overlay->hwdata->YStride; | |
| 509 | |
| 510 return(0); | |
| 511 } | |
| 512 | |
| 513 void ph_UnlockYUVOverlay(_THIS, SDL_Overlay *overlay) | |
| 514 { | |
| 515 int rtncode; | |
| 516 | |
| 517 if(overlay == NULL) | |
| 518 return ; | |
| 519 | |
| 520 if(overlay->hwdata->scaler_on == FALSE) | |
| 521 { | |
| 522 | |
| 523 | |
| 524 overlay->hwdata->props.flags |= Pg_SCALER_PROP_SCALER_ENABLE; | |
| 525 rtncode =PgConfigScalerChannel(overlay->hwdata->channel, &(overlay->hwdata->props)); | |
| 526 switch(rtncode) | |
| 527 { | |
| 528 case -1: | |
| 529 SDL_SetError("PgConfigScalerChannel failed\n"); | |
| 530 SDL_FreeYUVOverlay(overlay); | |
| 531 break; | |
| 532 case 1: | |
| 533 grab_ptrs2(overlay->hwdata->channel, overlay->hwdata->FrameData0, overlay->hwdata->FrameData1); | |
| 534 overlay->hwdata->scaler_on = TRUE; | |
| 535 break; | |
| 536 case 0: | |
| 537 default: | |
| 538 overlay->hwdata->scaler_on = TRUE; | |
| 539 break; | |
| 540 } | |
| 541 //This would be the best place to draw chromakey but we do not have a SDL_Surface in the args | |
| 542 //This means we might see a chromakey flicker at startup | |
| 543 } | |
| 544 overlay->hwdata->current = PgNextVideoFrame(overlay->hwdata->channel); | |
| 545 | |
| 546 | |
| 547 if (overlay->hwdata->current == -1) { | |
| 548 SDL_SetError("PgNextVideoFrame failed\n"); | |
| 549 SDL_FreeYUVOverlay(overlay); | |
| 550 return; | |
| 551 } | |
| 552 | |
| 553 overlay->pixels = NULL; | |
| 554 } | |
| 555 | |
| 556 int ph_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *dstrect) | |
| 557 { | |
| 558 int rtncode; | |
| 559 | |
| 560 if(overlay == NULL) | |
| 561 return 0; | |
| 562 | |
| 563 | |
| 564 /*SDL_Rect CurrentWindow*/ | |
| 565 //If CurrentWindow has change, move the viewport | |
| 566 if((overlay->hwdata->CurrentWindow.x != dstrect->x) || | |
| 567 (overlay->hwdata->CurrentWindow.y != dstrect->y) || | |
| 568 (overlay->hwdata->CurrentWindow.w != dstrect->w) || | |
| 569 (overlay->hwdata->CurrentWindow.h != dstrect->h)) | |
| 570 { | |
| 571 if(overlay->hwdata->State == OVERLAY_STATE_UNINIT) | |
| 572 return -1; | |
| 573 | |
| 574 overlay->hwdata->CurrentWindow.x = dstrect->x; | |
| 575 overlay->hwdata->CurrentWindow.y = dstrect->y; | |
| 576 overlay->hwdata->CurrentWindow.w = dstrect->w; | |
| 577 overlay->hwdata->CurrentWindow.h = dstrect->h; | |
| 578 | |
| 579 overlay->hwdata->props.viewport.ul.x = overlay->hwdata->CurrentWindow.x; | |
| 580 overlay->hwdata->props.viewport.ul.y = overlay->hwdata->CurrentWindow.y; | |
| 581 //Next line MIGHT have x and y reversed!!!!!!!!!!!! | |
| 582 overlay->hwdata->props.viewport.lr.x = overlay->hwdata->CurrentWindow.x +overlay->hwdata->CurrentWindow.w; | |
| 583 overlay->hwdata->props.viewport.lr.y = overlay->hwdata->CurrentWindow.y + overlay->hwdata->CurrentWindow.h; | |
| 584 | |
| 585 | |
| 586 rtncode = PgConfigScalerChannel(overlay->hwdata->channel, &(overlay->hwdata->props)); | |
| 587 | |
| 588 switch(rtncode) | |
| 589 { | |
| 590 case -1: | |
| 591 SDL_SetError("PgConfigScalerChannel failed\n"); | |
| 592 SDL_FreeYUVOverlay(overlay); | |
| 593 return(0); | |
| 594 break; | |
| 595 case 1: | |
| 596 grab_ptrs2(overlay->hwdata->channel, overlay->hwdata->FrameData0, overlay->hwdata->FrameData1); | |
| 597 break; | |
| 598 case 0: | |
| 599 default: | |
| 600 break; | |
| 601 } | |
| 602 } | |
| 603 | |
| 604 | |
| 605 //JB the X11 file did this. We do this in SDL_unlock, we need to confirm that lock and unlock are called for each frame! | |
| 606 // XvShmPutImage(GFX_Display, hwdata->port, SDL_Window, SDL_GC, | |
| 607 // hwdata->image, 0, 0, overlay->w, overlay->h, | |
| 608 // dstrect->x, dstrect->y, dstrect->w, dstrect->h, False); | |
| 609 /* This is what this call is | |
| 610 int XvShmPutImage ( | |
| 611 Display *dpy, | |
| 612 XvPortID port, | |
| 613 Drawable d, | |
| 614 GC gc, | |
| 615 XvImage *image, | |
| 616 int src_x, | |
| 617 int src_y, | |
| 618 unsigned int src_w, | |
| 619 unsigned int src_h, | |
| 620 int dest_x, | |
| 621 int dest_y, | |
| 622 unsigned int dest_w, | |
| 623 unsigned int dest_h, | |
| 624 Bool send_event | |
| 625 ) | |
| 626 */ | |
| 627 | |
| 628 return(0); | |
| 629 } | |
| 630 | |
| 631 void ph_FreeYUVOverlay(_THIS, SDL_Overlay *overlay) | |
| 632 { | |
| 633 //struct private_yuvhwdata *hwdata; | |
| 634 | |
| 635 if(overlay == NULL) | |
| 636 return; | |
| 637 | |
| 638 if(overlay->hwdata == NULL) | |
| 639 return; | |
| 640 | |
| 641 overlay->hwdata->State = OVERLAY_STATE_UNINIT; | |
| 642 | |
| 643 if( overlay->hwdata->channel == NULL ) | |
| 644 { | |
| 645 return; | |
| 646 } | |
| 647 | |
| 648 PgDestroyVideoChannel(overlay->hwdata->channel); | |
| 649 | |
| 650 overlay->hwdata->channel = NULL; | |
| 651 overlay->hwdata->CurrentFrameData = NULL; | |
| 652 | |
| 653 free(overlay->hwdata->FrameData0); | |
| 654 free(overlay->hwdata->FrameData1); | |
| 655 overlay->hwdata->FrameData0 = NULL; | |
| 656 overlay->hwdata->FrameData1 = NULL; | |
| 657 free(overlay->hwdata); | |
| 658 | |
| 659 } |