| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 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 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | /* This is the QNX Realtime Platform version of SDL YUV video overlays */ |
| 25 | |
| 26 | #include <errno.h> |
| 27 | |
| 28 | #include <Ph.h> |
| 29 | #include <Pt.h> |
| 30 | |
| 31 | #include "SDL_video.h" |
| 32 | #include "SDL_phyuv_c.h" |
| 33 | #include "../SDL_yuvfuncs.h" |
| 34 | |
| 35 | #define OVERLAY_STATE_UNINIT 0 |
| 36 | #define OVERLAY_STATE_ACTIVE 1 |
| 37 | |
| 38 | /* The functions are used to manipulate software video overlays */ |
| 39 | static struct private_yuvhwfuncs ph_yuvfuncs = |
| 40 | { |
| 41 | ph_LockYUVOverlay, |
| 42 | ph_UnlockYUVOverlay, |
| 43 | ph_DisplayYUVOverlay, |
| 44 | ph_FreeYUVOverlay |
| 45 | }; |
| 46 | |
| 47 | int grab_ptrs2(PgVideoChannel_t* channel, FRAMEDATA* Frame0, FRAMEDATA* Frame1) |
| 48 | { |
| 49 | int planes = 0; |
| 50 | |
| 51 | /* Buffers have moved; re-obtain the pointers */ |
| 52 | Frame0->Y = (unsigned char *)PdGetOffscreenContextPtr(channel->yplane1); |
| 53 | Frame1->Y = (unsigned char *)PdGetOffscreenContextPtr(channel->yplane2); |
| 54 | Frame0->U = (unsigned char *)PdGetOffscreenContextPtr(channel->vplane1); |
| 55 | Frame1->U = (unsigned char *)PdGetOffscreenContextPtr(channel->vplane2); |
| 56 | Frame0->V = (unsigned char *)PdGetOffscreenContextPtr(channel->uplane1); |
| 57 | Frame1->V = (unsigned char *)PdGetOffscreenContextPtr(channel->uplane2); |
| 58 | |
| 59 | if (Frame0->Y) |
| 60 | planes++; |
| 61 | |
| 62 | if (Frame0->U) |
| 63 | planes++; |
| 64 | |
| 65 | if (Frame0->V) |
| 66 | planes++; |
| 67 | |
| 68 | return planes; |
| 69 | } |
| 70 | |
| 71 | SDL_Overlay* ph_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface* display) |
| 72 | { |
| 73 | SDL_Overlay* overlay; |
| 74 | struct private_yuvhwdata* hwdata; |
| 75 | int vidport; |
| 76 | int rtncode; |
| 77 | int planes; |
| 78 | int i=0; |
| 79 | PhPoint_t pos; |
| 80 | |
| 81 | /* Create the overlay structure */ |
| 82 | overlay = SDL_calloc(1, sizeof(SDL_Overlay)); |
| 83 | |
| 84 | if (overlay == NULL) |
| 85 | { |
| 86 | SDL_OutOfMemory(); |
| 87 | return NULL; |
| 88 | } |
| 89 | |
| 90 | /* Fill in the basic members */ |
| 91 | overlay->format = format; |
| 92 | overlay->w = width; |
| 93 | overlay->h = height; |
| 94 | overlay->hwdata = NULL; |
| 95 | |
| 96 | /* Set up the YUV surface function structure */ |
| 97 | overlay->hwfuncs = &ph_yuvfuncs; |
| 98 | |
| 99 | /* Create the pixel data and lookup tables */ |
| 100 | hwdata = SDL_calloc(1, sizeof(struct private_yuvhwdata)); |
| 101 | |
| 102 | if (hwdata == NULL) |
| 103 | { |
| 104 | SDL_OutOfMemory(); |
| 105 | SDL_FreeYUVOverlay(overlay); |
| 106 | return NULL; |
| 107 | } |
| 108 | |
| 109 | overlay->hwdata = hwdata; |
| 110 | |
| 111 | PhDCSetCurrent(0); |
| 112 | if (overlay->hwdata->channel == NULL) |
| 113 | { |
| 114 | if ((overlay->hwdata->channel = PgCreateVideoChannel(Pg_VIDEO_CHANNEL_SCALER, 0)) == NULL) |
| 115 | { |
| 116 | SDL_SetError("ph_CreateYUVOverlay(): Create channel failed: %s\n", strerror(errno)); |
| 117 | SDL_FreeYUVOverlay(overlay); |
| 118 | return NULL; |
| 119 | |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | overlay->hwdata->forcedredraw=0; |
| 124 | |
| 125 | PtGetAbsPosition(window, &pos.x, &pos.y); |
| 126 | overlay->hwdata->CurrentWindowPos.x = pos.x; |
| 127 | overlay->hwdata->CurrentWindowPos.y = pos.y; |
| 128 | overlay->hwdata->CurrentViewPort.pos.x = 0; |
| 129 | overlay->hwdata->CurrentViewPort.pos.y = 0; |
| 130 | overlay->hwdata->CurrentViewPort.size.w = width; |
| 131 | overlay->hwdata->CurrentViewPort.size.h = height; |
| 132 | overlay->hwdata->State = OVERLAY_STATE_UNINIT; |
| 133 | overlay->hwdata->FrameData0 = (FRAMEDATA *) SDL_calloc(1, sizeof(FRAMEDATA)); |
| 134 | overlay->hwdata->FrameData1 = (FRAMEDATA *) SDL_calloc(1, sizeof(FRAMEDATA)); |
| 135 | |
| 136 | vidport = -1; |
| 137 | i=0; |
| 138 | |
| 139 | overlay->hwdata->ischromakey=0; |
| 140 | |
| 141 | do { |
| 142 | SDL_memset(&overlay->hwdata->caps, 0x00, sizeof(PgScalerCaps_t)); |
| 143 | overlay->hwdata->caps.size = sizeof(PgScalerCaps_t); |
| 144 | rtncode = PgGetScalerCapabilities(overlay->hwdata->channel, i, &overlay->hwdata->caps); |
| 145 | if (rtncode==0) |
| 146 | { |
| 147 | if (overlay->hwdata->caps.format==format) |
| 148 | { |
| 149 | if ((overlay->hwdata->caps.flags & Pg_SCALER_CAP_DST_CHROMA_KEY) == Pg_SCALER_CAP_DST_CHROMA_KEY) |
| 150 | { |
| 151 | overlay->hwdata->ischromakey=1; |
| 152 | } |
| 153 | vidport=1; |
| 154 | break; |
| 155 | } |
| 156 | } |
| 157 | else |
| 158 | { |
| 159 | break; |
| 160 | } |
| 161 | i++; |
| 162 | } while(1); |
| 163 | |
| 164 | |
| 165 | if (vidport == -1) |
| 166 | { |
| 167 | SDL_SetError("No available video ports for requested format\n"); |
| 168 | SDL_FreeYUVOverlay(overlay); |
| 169 | return NULL; |
| 170 | } |
| 171 | |
| 172 | overlay->hwdata->format = format; |
| 173 | overlay->hwdata->props.format = format; |
| 174 | overlay->hwdata->props.size = sizeof(PgScalerProps_t); |
| 175 | overlay->hwdata->props.src_dim.w = width; |
| 176 | overlay->hwdata->props.src_dim.h = height; |
| 177 | |
| 178 | /* overlay->hwdata->chromakey = PgGetOverlayChromaColor(); */ |
| 179 | overlay->hwdata->chromakey = PgRGB(12, 6, 12); /* very dark pink color */ |
| 180 | overlay->hwdata->props.color_key = overlay->hwdata->chromakey; |
| 181 | |
| 182 | PhAreaToRect(&overlay->hwdata->CurrentViewPort, &overlay->hwdata->props.viewport); |
| 183 | |
| 184 | overlay->hwdata->props.flags = Pg_SCALER_PROP_DOUBLE_BUFFER; |
| 185 | |
| 186 | if ((overlay->hwdata->ischromakey)&&(overlay->hwdata->chromakey)) |
| 187 | { |
| 188 | overlay->hwdata->props.flags |= Pg_SCALER_PROP_CHROMA_ENABLE; |
| 189 | overlay->hwdata->props.flags |= Pg_SCALER_PROP_CHROMA_SPECIFY_KEY_MASK; |
| 190 | } |
| 191 | else |
| 192 | { |
| 193 | overlay->hwdata->props.flags &= ~Pg_SCALER_PROP_CHROMA_ENABLE; |
| 194 | } |
| 195 | |
| 196 | rtncode = PgConfigScalerChannel(overlay->hwdata->channel, &overlay->hwdata->props); |
| 197 | |
| 198 | switch(rtncode) |
| 199 | { |
| 200 | case -1: SDL_SetError("PgConfigScalerChannel failed\n"); |
| 201 | SDL_FreeYUVOverlay(overlay); |
| 202 | return NULL; |
| 203 | case 1: |
| 204 | case 0: |
| 205 | default: |
| 206 | break; |
| 207 | } |
| 208 | |
| 209 | planes = grab_ptrs2(overlay->hwdata->channel, overlay->hwdata->FrameData0, overlay->hwdata->FrameData1); |
| 210 | |
| 211 | if(overlay->hwdata->channel->yplane1 != NULL) |
| 212 | overlay->hwdata->YStride = overlay->hwdata->channel->yplane1->pitch; |
| 213 | if(overlay->hwdata->channel->vplane1 != NULL) |
| 214 | overlay->hwdata->UStride = overlay->hwdata->channel->vplane1->pitch; |
| 215 | if(overlay->hwdata->channel->uplane1 != NULL) |
| 216 | overlay->hwdata->VStride = overlay->hwdata->channel->uplane1->pitch; |
| 217 | |
| 218 | /* check for the validness of all planes */ |
| 219 | if ((overlay->hwdata->channel->yplane1 == NULL) && |
| 220 | (overlay->hwdata->channel->uplane1 == NULL) && |
| 221 | (overlay->hwdata->channel->vplane1 == NULL)) |
| 222 | { |
| 223 | SDL_FreeYUVOverlay(overlay); |
| 224 | SDL_SetError("PgConfigScaler() returns all planes equal NULL\n"); |
| 225 | return NULL; |
| 226 | } |
| 227 | /* |
| 228 | overlay->hwdata->current = PgNextVideoFrame(overlay->hwdata->channel); |
| 229 | |
| 230 | if (overlay->hwdata->current==0) |
| 231 | { |
| 232 | overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0; |
| 233 | } |
| 234 | else |
| 235 | { |
| 236 | overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData1; |
| 237 | } |
| 238 | */ |
| 239 | overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0; |
| 240 | |
| 241 | /* |
| 242 | overlay->hwdata->locked = 1; |
| 243 | */ |
| 244 | |
| 245 | /* Find the pitch and offset values for the overlay */ |
| 246 | overlay->planes = planes; |
| 247 | overlay->pitches = SDL_calloc(overlay->planes, sizeof(Uint16)); |
| 248 | overlay->pixels = SDL_calloc(overlay->planes, sizeof(Uint8*)); |
| 249 | if (!overlay->pitches || !overlay->pixels) |
| 250 | { |
| 251 | SDL_OutOfMemory(); |
| 252 | SDL_FreeYUVOverlay(overlay); |
| 253 | return(NULL); |
| 254 | } |
| 255 | |
| 256 | if (overlay->planes > 0) |
| 257 | { |
| 258 | overlay->pitches[0] = overlay->hwdata->channel->yplane1->pitch; |
| 259 | overlay->pixels[0] = overlay->hwdata->CurrentFrameData->Y; |
| 260 | } |
| 261 | if (overlay->planes > 1) |
| 262 | { |
| 263 | overlay->pitches[1] = overlay->hwdata->channel->vplane1->pitch; |
| 264 | overlay->pixels[1] = overlay->hwdata->CurrentFrameData->U; |
| 265 | } |
| 266 | if (overlay->planes > 2) |
| 267 | { |
| 268 | overlay->pitches[2] = overlay->hwdata->channel->uplane1->pitch; |
| 269 | overlay->pixels[2] = overlay->hwdata->CurrentFrameData->V; |
| 270 | } |
| 271 | |
| 272 | overlay->hwdata->State = OVERLAY_STATE_ACTIVE; |
| 273 | overlay->hwdata->scaler_on = 0; |
| 274 | overlay->hw_overlay = 1; |
| 275 | |
| 276 | current_overlay=overlay; |
| 277 | |
| 278 | return overlay; |
| 279 | } |
| 280 | |
| 281 | int ph_LockYUVOverlay(_THIS, SDL_Overlay* overlay) |
| 282 | { |
| 283 | if (overlay == NULL) |
| 284 | { |
| 285 | return -1; |
| 286 | } |
| 287 | |
| 288 | overlay->hwdata->locked = 1; |
| 289 | |
| 290 | /* overlay->hwdata->current = PgNextVideoFrame(overlay->hwdata->channel); |
| 291 | if (overlay->hwdata->current == -1) |
| 292 | { |
| 293 | SDL_SetError("ph_LockYUVOverlay: PgNextFrame() failed, bailing out\n"); |
| 294 | SDL_FreeYUVOverlay(overlay); |
| 295 | return 0; |
| 296 | } |
| 297 | |
| 298 | if (overlay->hwdata->current == 0) |
| 299 | { |
| 300 | overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0; |
| 301 | } |
| 302 | else |
| 303 | { |
| 304 | overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData1; |
| 305 | } |
| 306 | |
| 307 | if (overlay->planes > 0) |
| 308 | { |
| 309 | overlay->pitches[0] = overlay->hwdata->channel->yplane1->pitch; |
| 310 | overlay->pixels[0] = overlay->hwdata->CurrentFrameData->Y; |
| 311 | } |
| 312 | if (overlay->planes > 1) |
| 313 | { |
| 314 | overlay->pitches[1] = overlay->hwdata->channel->uplane1->pitch; |
| 315 | overlay->pixels[1] = overlay->hwdata->CurrentFrameData->U; |
| 316 | } |
| 317 | if (overlay->planes > 2) |
| 318 | { |
| 319 | overlay->pitches[2] = overlay->hwdata->channel->vplane1->pitch; |
| 320 | overlay->pixels[2] = overlay->hwdata->CurrentFrameData->V; |
| 321 | } |
| 322 | */ |
| 323 | |
| 324 | return(0); |
| 325 | } |
| 326 | |
| 327 | void ph_UnlockYUVOverlay(_THIS, SDL_Overlay* overlay) |
| 328 | { |
| 329 | if (overlay == NULL) |
| 330 | { |
| 331 | return; |
| 332 | } |
| 333 | |
| 334 | overlay->hwdata->locked = 0; |
| 335 | } |
| 336 | |
| 337 | int ph_DisplayYUVOverlay(_THIS, SDL_Overlay* overlay, SDL_Rect* src, SDL_Rect* dst) |
| 338 | { |
| 339 | int rtncode; |
| 340 | PhPoint_t pos; |
| 341 | SDL_Rect backrect; |
| 342 | PhRect_t windowextent; |
| 343 | int winchanged=0; |
| 344 | |
| 345 | if ((overlay == NULL) || (overlay->hwdata==NULL)) |
| 346 | { |
| 347 | return -1; |
| 348 | } |
| 349 | |
| 350 | if (overlay->hwdata->State == OVERLAY_STATE_UNINIT) |
| 351 | { |
| 352 | return -1; |
| 353 | } |
| 354 | |
| 355 | PtGetAbsPosition(window, &pos.x, &pos.y); |
| 356 | if ((pos.x!=overlay->hwdata->CurrentWindowPos.x) || |
| 357 | (pos.y!=overlay->hwdata->CurrentWindowPos.y)) |
| 358 | { |
| 359 | winchanged=1; |
| 360 | overlay->hwdata->CurrentWindowPos.x=pos.x; |
| 361 | overlay->hwdata->CurrentWindowPos.y=pos.y; |
| 362 | } |
| 363 | |
| 364 | /* If CurrentViewPort position/size has been changed, then move/resize the viewport */ |
| 365 | if ((overlay->hwdata->CurrentViewPort.pos.x != dst->x) || |
| 366 | (overlay->hwdata->CurrentViewPort.pos.y != dst->y) || |
| 367 | (overlay->hwdata->CurrentViewPort.size.w != dst->w) || |
| 368 | (overlay->hwdata->CurrentViewPort.size.h != dst->h) || |
| 369 | (overlay->hwdata->scaler_on==0) || (winchanged==1) || |
| 370 | (overlay->hwdata->forcedredraw==1)) |
| 371 | { |
| 372 | |
| 373 | if (overlay->hwdata->ischromakey==1) |
| 374 | { |
| 375 | /* restore screen behind the overlay/chroma color. */ |
| 376 | backrect.x=overlay->hwdata->CurrentViewPort.pos.x; |
| 377 | backrect.y=overlay->hwdata->CurrentViewPort.pos.y; |
| 378 | backrect.w=overlay->hwdata->CurrentViewPort.size.w; |
| 379 | backrect.h=overlay->hwdata->CurrentViewPort.size.h; |
| 380 | this->UpdateRects(this, 1, &backrect); |
| 381 | |
| 382 | /* Draw the new rectangle of the chroma color at the viewport position */ |
| 383 | PgSetFillColor(overlay->hwdata->chromakey); |
| 384 | PgDrawIRect(dst->x, dst->y, dst->x+dst->w-1, dst->y+dst->h-1, Pg_DRAW_FILL); |
| 385 | PgFlush(); |
| 386 | } |
| 387 | |
| 388 | overlay->hwdata->props.flags |= Pg_SCALER_PROP_SCALER_ENABLE; |
| 389 | overlay->hwdata->scaler_on = 1; |
| 390 | |
| 391 | PhWindowQueryVisible(Ph_QUERY_CONSOLE, 0, PtWidgetRid(window), &windowextent); |
| 392 | overlay->hwdata->CurrentViewPort.pos.x = pos.x-windowextent.ul.x+dst->x; |
| 393 | overlay->hwdata->CurrentViewPort.pos.y = pos.y-windowextent.ul.y+dst->y; |
| 394 | overlay->hwdata->CurrentViewPort.size.w = dst->w; |
| 395 | overlay->hwdata->CurrentViewPort.size.h = dst->h; |
| 396 | PhAreaToRect(&overlay->hwdata->CurrentViewPort, &overlay->hwdata->props.viewport); |
| 397 | overlay->hwdata->CurrentViewPort.pos.x = dst->x; |
| 398 | overlay->hwdata->CurrentViewPort.pos.y = dst->y; |
| 399 | |
| 400 | rtncode = PgConfigScalerChannel(overlay->hwdata->channel, &(overlay->hwdata->props)); |
| 401 | |
| 402 | switch(rtncode) |
| 403 | { |
| 404 | case -1: |
| 405 | SDL_SetError("PgConfigScalerChannel() function failed\n"); |
| 406 | SDL_FreeYUVOverlay(overlay); |
| 407 | return -1; |
| 408 | case 1: |
| 409 | grab_ptrs2(overlay->hwdata->channel, overlay->hwdata->FrameData0, overlay->hwdata->FrameData1); |
| 410 | break; |
| 411 | case 0: |
| 412 | default: |
| 413 | break; |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | |
| 418 | /* |
| 419 | if (overlay->hwdata->locked==0) |
| 420 | { |
| 421 | overlay->hwdata->current = PgNextVideoFrame(overlay->hwdata->channel); |
| 422 | if (overlay->hwdata->current == -1) |
| 423 | { |
| 424 | SDL_SetError("ph_LockYUVOverlay: PgNextFrame() failed, bailing out\n"); |
| 425 | SDL_FreeYUVOverlay(overlay); |
| 426 | return 0; |
| 427 | } |
| 428 | |
| 429 | if (overlay->hwdata->current == 0) |
| 430 | { |
| 431 | overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0; |
| 432 | } |
| 433 | else |
| 434 | { |
| 435 | overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData1; |
| 436 | } |
| 437 | |
| 438 | if (overlay->planes > 0) |
| 439 | { |
| 440 | overlay->pitches[0] = overlay->hwdata->channel->yplane1->pitch; |
| 441 | overlay->pixels[0] = overlay->hwdata->CurrentFrameData->Y; |
| 442 | } |
| 443 | if (overlay->planes > 1) |
| 444 | { |
| 445 | overlay->pitches[1] = overlay->hwdata->channel->uplane1->pitch; |
| 446 | overlay->pixels[1] = overlay->hwdata->CurrentFrameData->U; |
| 447 | } |
| 448 | if (overlay->planes > 2) |
| 449 | { |
| 450 | overlay->pitches[2] = overlay->hwdata->channel->vplane1->pitch; |
| 451 | overlay->pixels[2] = overlay->hwdata->CurrentFrameData->V; |
| 452 | } |
| 453 | } |
| 454 | */ |
| 455 | |
| 456 | return 0; |
| 457 | } |
| 458 | |
| 459 | void ph_FreeYUVOverlay(_THIS, SDL_Overlay *overlay) |
| 460 | { |
| 461 | SDL_Rect backrect; |
| 462 | |
| 463 | if (overlay == NULL) |
| 464 | { |
| 465 | return; |
| 466 | } |
| 467 | |
| 468 | if (overlay->hwdata == NULL) |
| 469 | { |
| 470 | return; |
| 471 | } |
| 472 | |
| 473 | current_overlay=NULL; |
| 474 | |
| 475 | /* restore screen behind the overlay/chroma color. */ |
| 476 | backrect.x=overlay->hwdata->CurrentViewPort.pos.x; |
| 477 | backrect.y=overlay->hwdata->CurrentViewPort.pos.y; |
| 478 | backrect.w=overlay->hwdata->CurrentViewPort.size.w; |
| 479 | backrect.h=overlay->hwdata->CurrentViewPort.size.h; |
| 480 | this->UpdateRects(this, 1, &backrect); |
| 481 | |
| 482 | /* it is need for some buggy drivers, that can't hide overlay before */ |
| 483 | /* freeing buffer, so we got trash on the srceen */ |
| 484 | overlay->hwdata->props.flags &= ~Pg_SCALER_PROP_SCALER_ENABLE; |
| 485 | PgConfigScalerChannel(overlay->hwdata->channel, &(overlay->hwdata->props)); |
| 486 | |
| 487 | overlay->hwdata->scaler_on = 0; |
| 488 | overlay->hwdata->State = OVERLAY_STATE_UNINIT; |
| 489 | |
| 490 | if (overlay->hwdata->channel != NULL) |
| 491 | { |
| 492 | PgDestroyVideoChannel(overlay->hwdata->channel); |
| 493 | overlay->hwdata->channel = NULL; |
| 494 | return; |
| 495 | } |
| 496 | |
| 497 | overlay->hwdata->CurrentFrameData = NULL; |
| 498 | |
| 499 | SDL_free(overlay->hwdata->FrameData0); |
| 500 | SDL_free(overlay->hwdata->FrameData1); |
| 501 | overlay->hwdata->FrameData0 = NULL; |
| 502 | overlay->hwdata->FrameData1 = NULL; |
| 503 | SDL_free(overlay->hwdata); |
| 504 | } |