1 /************************************************************************** 2 * 3 * Copyright 2009 Younes Manton. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #include <assert.h> 29 #include <stdio.h> 30 31 #include <X11/Xlibint.h> 32 33 #include "pipe/p_video_decoder.h" 34 #include "pipe/p_video_state.h" 35 #include "pipe/p_state.h" 36 37 #include "util/u_inlines.h" 38 #include "util/u_memory.h" 39 #include "util/u_math.h" 40 #include "vl/vl_winsys.h" 41 42 #include "xvmc_private.h" 43 44 static void 45 MacroBlocksToPipe(XvMCContextPrivate *context, 46 XvMCSurfacePrivate *surface, 47 unsigned int xvmc_picture_structure, 48 const XvMCMacroBlock *xvmc_mb, 49 const XvMCBlockArray *xvmc_blocks, 50 struct pipe_mpeg12_macroblock *mb, 51 unsigned int num_macroblocks) 52 { 53 unsigned int i, j, k; 54 55 assert(xvmc_mb); 56 assert(xvmc_blocks); 57 assert(num_macroblocks); 58 59 for (; num_macroblocks > 0; --num_macroblocks) { 60 mb->base.codec = PIPE_VIDEO_CODEC_MPEG12; 61 mb->x = xvmc_mb->x; 62 mb->y = xvmc_mb->y; 63 mb->macroblock_type = xvmc_mb->macroblock_type; 64 65 switch (xvmc_picture_structure) { 66 case XVMC_FRAME_PICTURE: 67 mb->macroblock_modes.bits.frame_motion_type = xvmc_mb->motion_type; 68 mb->macroblock_modes.bits.field_motion_type = 0; 69 break; 70 71 case XVMC_TOP_FIELD: 72 case XVMC_BOTTOM_FIELD: 73 mb->macroblock_modes.bits.frame_motion_type = 0; 74 mb->macroblock_modes.bits.field_motion_type = xvmc_mb->motion_type; 75 break; 76 77 default: 78 assert(0); 79 } 80 81 mb->macroblock_modes.bits.dct_type = xvmc_mb->dct_type; 82 mb->motion_vertical_field_select = xvmc_mb->motion_vertical_field_select; 83 84 for (i = 0; i < 2; ++i) 85 for (j = 0; j < 2; ++j) 86 for (k = 0; k < 2; ++k) 87 mb->PMV[i][j][k] = xvmc_mb->PMV[i][j][k]; 88 89 mb->coded_block_pattern = xvmc_mb->coded_block_pattern; 90 mb->blocks = xvmc_blocks->blocks + xvmc_mb->index * BLOCK_SIZE_SAMPLES; 91 mb->num_skipped_macroblocks = 0; 92 93 ++xvmc_mb; 94 ++mb; 95 } 96 } 97 98 static void 99 GetPictureDescription(XvMCSurfacePrivate *surface, struct pipe_mpeg12_picture_desc *desc) 100 { 101 unsigned i, num_refs = 0; 102 103 assert(surface && desc); 104 105 memset(desc, 0, sizeof(*desc)); 106 desc->base.profile = PIPE_VIDEO_PROFILE_MPEG1; 107 desc->picture_structure = surface->picture_structure; 108 for (i = 0; i < 2; ++i) { 109 if (surface->ref[i]) { 110 XvMCSurfacePrivate *ref = surface->ref[i]->privData; 111 112 if (ref) 113 desc->ref[num_refs++] = ref->video_buffer; 114 } 115 } 116 } 117 118 static void 119 RecursiveEndFrame(XvMCSurfacePrivate *surface) 120 { 121 XvMCContextPrivate *context_priv; 122 unsigned i; 123 124 assert(surface); 125 126 context_priv = surface->context->privData; 127 128 for ( i = 0; i < 2; ++i ) { 129 if (surface->ref[i]) { 130 XvMCSurface *ref = surface->ref[i]; 131 132 assert(ref); 133 134 surface->ref[i] = NULL; 135 RecursiveEndFrame(ref->privData); 136 surface->ref[i] = ref; 137 } 138 } 139 140 if (surface->picture_structure) { 141 struct pipe_mpeg12_picture_desc desc; 142 GetPictureDescription(surface, &desc); 143 surface->picture_structure = 0; 144 145 for (i = 0; i < 2; ++i) 146 surface->ref[i] = NULL; 147 148 context_priv->decoder->end_frame(context_priv->decoder, surface->video_buffer, &desc.base); 149 } 150 } 151 152 PUBLIC 153 Status XvMCCreateSurface(Display *dpy, XvMCContext *context, XvMCSurface *surface) 154 { 155 XvMCContextPrivate *context_priv; 156 struct pipe_context *pipe; 157 XvMCSurfacePrivate *surface_priv; 158 struct pipe_video_buffer tmpl; 159 160 XVMC_MSG(XVMC_TRACE, "[XvMC] Creating surface %p.\n", surface); 161 162 assert(dpy); 163 164 if (!context) 165 return XvMCBadContext; 166 if (!surface) 167 return XvMCBadSurface; 168 169 context_priv = context->privData; 170 pipe = context_priv->pipe; 171 172 surface_priv = CALLOC(1, sizeof(XvMCSurfacePrivate)); 173 if (!surface_priv) 174 return BadAlloc; 175 176 memset(&tmpl, 0, sizeof(tmpl)); 177 tmpl.buffer_format = pipe->screen->get_video_param 178 ( 179 pipe->screen, 180 PIPE_VIDEO_PROFILE_MPEG2_MAIN, 181 PIPE_VIDEO_CAP_PREFERED_FORMAT 182 ); 183 tmpl.chroma_format = context_priv->decoder->chroma_format; 184 tmpl.width = context_priv->decoder->width; 185 tmpl.height = context_priv->decoder->height; 186 tmpl.interlaced = pipe->screen->get_video_param 187 ( 188 pipe->screen, 189 PIPE_VIDEO_PROFILE_MPEG2_MAIN, 190 PIPE_VIDEO_CAP_PREFERS_INTERLACED 191 ); 192 193 surface_priv->video_buffer = pipe->create_video_buffer(pipe, &tmpl); 194 surface_priv->context = context; 195 196 surface->surface_id = XAllocID(dpy); 197 surface->context_id = context->context_id; 198 surface->surface_type_id = context->surface_type_id; 199 surface->width = context->width; 200 surface->height = context->height; 201 surface->privData = surface_priv; 202 203 SyncHandle(); 204 205 XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p created.\n", surface); 206 207 return Success; 208 } 209 210 PUBLIC 211 Status XvMCRenderSurface(Display *dpy, XvMCContext *context, unsigned int picture_structure, 212 XvMCSurface *target_surface, XvMCSurface *past_surface, XvMCSurface *future_surface, 213 unsigned int flags, unsigned int num_macroblocks, unsigned int first_macroblock, 214 XvMCMacroBlockArray *macroblocks, XvMCBlockArray *blocks 215 ) 216 { 217 struct pipe_mpeg12_macroblock mb[num_macroblocks]; 218 struct pipe_video_decoder *decoder; 219 struct pipe_mpeg12_picture_desc desc; 220 221 XvMCContextPrivate *context_priv; 222 XvMCSurfacePrivate *target_surface_priv; 223 XvMCSurfacePrivate *past_surface_priv; 224 XvMCSurfacePrivate *future_surface_priv; 225 XvMCMacroBlock *xvmc_mb; 226 227 XVMC_MSG(XVMC_TRACE, "[XvMC] Rendering to surface %p, with past %p and future %p\n", 228 target_surface, past_surface, future_surface); 229 230 assert(dpy); 231 232 if (!context || !context->privData) 233 return XvMCBadContext; 234 if (!target_surface || !target_surface->privData) 235 return XvMCBadSurface; 236 237 if (picture_structure != XVMC_TOP_FIELD && 238 picture_structure != XVMC_BOTTOM_FIELD && 239 picture_structure != XVMC_FRAME_PICTURE) 240 return BadValue; 241 /* Bkwd pred equivalent to fwd (past && !future) */ 242 if (future_surface && !past_surface) 243 return BadMatch; 244 245 assert(context->context_id == target_surface->context_id); 246 assert(!past_surface || context->context_id == past_surface->context_id); 247 assert(!future_surface || context->context_id == future_surface->context_id); 248 249 assert(macroblocks); 250 assert(blocks); 251 252 assert(macroblocks->context_id == context->context_id); 253 assert(blocks->context_id == context->context_id); 254 255 assert(flags == 0 || flags == XVMC_SECOND_FIELD); 256 257 context_priv = context->privData; 258 decoder = context_priv->decoder; 259 260 target_surface_priv = target_surface->privData; 261 past_surface_priv = past_surface ? past_surface->privData : NULL; 262 future_surface_priv = future_surface ? future_surface->privData : NULL; 263 264 assert(target_surface_priv->context == context); 265 assert(!past_surface || past_surface_priv->context == context); 266 assert(!future_surface || future_surface_priv->context == context); 267 268 // call end frame on all referenced frames 269 if (past_surface) 270 RecursiveEndFrame(past_surface->privData); 271 272 if (future_surface) 273 RecursiveEndFrame(future_surface->privData); 274 275 xvmc_mb = macroblocks->macro_blocks + first_macroblock; 276 277 /* If the surface we're rendering hasn't changed the ref frames shouldn't change. */ 278 if (target_surface_priv->picture_structure > 0 && ( 279 target_surface_priv->picture_structure != picture_structure || 280 target_surface_priv->ref[0] != past_surface || 281 target_surface_priv->ref[1] != future_surface || 282 (xvmc_mb->x == 0 && xvmc_mb->y == 0))) { 283 284 // If they change anyway we must assume that the current frame is ended 285 RecursiveEndFrame(target_surface_priv); 286 } 287 288 target_surface_priv->ref[0] = past_surface; 289 target_surface_priv->ref[1] = future_surface; 290 291 if (target_surface_priv->picture_structure) 292 GetPictureDescription(target_surface_priv, &desc); 293 else { 294 target_surface_priv->picture_structure = picture_structure; 295 GetPictureDescription(target_surface_priv, &desc); 296 decoder->begin_frame(decoder, target_surface_priv->video_buffer, &desc.base); 297 } 298 299 MacroBlocksToPipe(context_priv, target_surface_priv, picture_structure, 300 xvmc_mb, blocks, mb, num_macroblocks); 301 302 context_priv->decoder->decode_macroblock(context_priv->decoder, 303 target_surface_priv->video_buffer, 304 &desc.base, 305 &mb[0].base, num_macroblocks); 306 307 XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for rendering.\n", target_surface); 308 309 return Success; 310 } 311 312 PUBLIC 313 Status XvMCFlushSurface(Display *dpy, XvMCSurface *surface) 314 { 315 assert(dpy); 316 317 if (!surface) 318 return XvMCBadSurface; 319 320 // don't call flush here, because this is usually 321 // called once for every slice instead of every frame 322 323 XVMC_MSG(XVMC_TRACE, "[XvMC] Flushing surface %p\n", surface); 324 325 return Success; 326 } 327 328 PUBLIC 329 Status XvMCSyncSurface(Display *dpy, XvMCSurface *surface) 330 { 331 assert(dpy); 332 333 if (!surface) 334 return XvMCBadSurface; 335 336 XVMC_MSG(XVMC_TRACE, "[XvMC] Syncing surface %p\n", surface); 337 338 return Success; 339 } 340 341 PUBLIC 342 Status XvMCPutSurface(Display *dpy, XvMCSurface *surface, Drawable drawable, 343 short srcx, short srcy, unsigned short srcw, unsigned short srch, 344 short destx, short desty, unsigned short destw, unsigned short desth, 345 int flags) 346 { 347 static int dump_window = -1; 348 349 struct pipe_context *pipe; 350 struct vl_compositor *compositor; 351 struct vl_compositor_state *cstate; 352 353 XvMCSurfacePrivate *surface_priv; 354 XvMCContextPrivate *context_priv; 355 XvMCSubpicturePrivate *subpicture_priv; 356 XvMCContext *context; 357 struct u_rect src_rect = {srcx, srcx + srcw, srcy, srcy + srch}; 358 struct u_rect dst_rect = {destx, destx + destw, desty, desty + desth}; 359 360 struct pipe_resource *tex; 361 struct pipe_surface surf_templ, *surf; 362 struct u_rect *dirty_area; 363 364 XVMC_MSG(XVMC_TRACE, "[XvMC] Displaying surface %p.\n", surface); 365 366 assert(dpy); 367 368 if (!surface || !surface->privData) 369 return XvMCBadSurface; 370 371 surface_priv = surface->privData; 372 context = surface_priv->context; 373 context_priv = context->privData; 374 375 assert(flags == XVMC_TOP_FIELD || flags == XVMC_BOTTOM_FIELD || flags == XVMC_FRAME_PICTURE); 376 assert(srcx + srcw - 1 < surface->width); 377 assert(srcy + srch - 1 < surface->height); 378 379 subpicture_priv = surface_priv->subpicture ? surface_priv->subpicture->privData : NULL; 380 pipe = context_priv->pipe; 381 compositor = &context_priv->compositor; 382 cstate = &context_priv->cstate; 383 384 tex = vl_screen_texture_from_drawable(context_priv->vscreen, drawable); 385 dirty_area = vl_screen_get_dirty_area(context_priv->vscreen); 386 387 memset(&surf_templ, 0, sizeof(surf_templ)); 388 surf_templ.format = tex->format; 389 surf_templ.usage = PIPE_BIND_RENDER_TARGET; 390 surf = pipe->create_surface(pipe, tex, &surf_templ); 391 392 if (!surf) 393 return BadDrawable; 394 395 /* 396 * Some apps (mplayer) hit these asserts because they call 397 * this function after the window has been resized by the WM 398 * but before they've handled the corresponding XEvent and 399 * know about the new dimensions. The output should be clipped 400 * until the app updates destw and desth. 401 */ 402 /* 403 assert(destx + destw - 1 < drawable_surface->width); 404 assert(desty + desth - 1 < drawable_surface->height); 405 */ 406 407 RecursiveEndFrame(surface_priv); 408 409 context_priv->decoder->flush(context_priv->decoder); 410 411 vl_compositor_clear_layers(cstate); 412 vl_compositor_set_buffer_layer(cstate, compositor, 0, surface_priv->video_buffer, 413 &src_rect, NULL, VL_COMPOSITOR_WEAVE); 414 415 if (subpicture_priv) { 416 XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p has subpicture %p.\n", surface, surface_priv->subpicture); 417 418 assert(subpicture_priv->surface == surface); 419 420 if (subpicture_priv->palette) 421 vl_compositor_set_palette_layer(cstate, compositor, 1, subpicture_priv->sampler, subpicture_priv->palette, 422 &subpicture_priv->src_rect, &subpicture_priv->dst_rect, true); 423 else 424 vl_compositor_set_rgba_layer(cstate, compositor, 1, subpicture_priv->sampler, 425 &subpicture_priv->src_rect, &subpicture_priv->dst_rect, NULL); 426 427 surface_priv->subpicture = NULL; 428 subpicture_priv->surface = NULL; 429 } 430 431 // Workaround for r600g, there seems to be a bug in the fence refcounting code 432 pipe->screen->fence_reference(pipe->screen, &surface_priv->fence, NULL); 433 434 vl_compositor_set_layer_dst_area(cstate, 0, &dst_rect); 435 vl_compositor_set_layer_dst_area(cstate, 1, &dst_rect); 436 vl_compositor_render(cstate, compositor, surf, dirty_area); 437 438 pipe->flush(pipe, &surface_priv->fence); 439 440 XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for display. Pushing to front buffer.\n", surface); 441 442 pipe->screen->flush_frontbuffer 443 ( 444 pipe->screen, tex, 0, 0, 445 vl_screen_get_private(context_priv->vscreen) 446 ); 447 448 if(dump_window == -1) { 449 dump_window = debug_get_num_option("XVMC_DUMP", 0); 450 } 451 452 if(dump_window) { 453 static unsigned int framenum = 0; 454 char cmd[256]; 455 456 sprintf(cmd, "xwd -id %d -out xvmc_frame_%08d.xwd", (int)drawable, ++framenum); 457 if (system(cmd) != 0) 458 XVMC_MSG(XVMC_ERR, "[XvMC] Dumping surface %p failed.\n", surface); 459 } 460 461 XVMC_MSG(XVMC_TRACE, "[XvMC] Pushed surface %p to front buffer.\n", surface); 462 463 return Success; 464 } 465 466 PUBLIC 467 Status XvMCGetSurfaceStatus(Display *dpy, XvMCSurface *surface, int *status) 468 { 469 struct pipe_context *pipe; 470 XvMCSurfacePrivate *surface_priv; 471 XvMCContextPrivate *context_priv; 472 473 assert(dpy); 474 475 if (!surface) 476 return XvMCBadSurface; 477 478 assert(status); 479 480 surface_priv = surface->privData; 481 context_priv = surface_priv->context->privData; 482 pipe = context_priv->pipe; 483 484 *status = 0; 485 486 if (surface_priv->fence) 487 if (!pipe->screen->fence_signalled(pipe->screen, surface_priv->fence)) 488 *status |= XVMC_RENDERING; 489 490 return Success; 491 } 492 493 PUBLIC 494 Status XvMCDestroySurface(Display *dpy, XvMCSurface *surface) 495 { 496 XvMCSurfacePrivate *surface_priv; 497 XvMCContextPrivate *context_priv; 498 499 XVMC_MSG(XVMC_TRACE, "[XvMC] Destroying surface %p.\n", surface); 500 501 assert(dpy); 502 503 if (!surface || !surface->privData) 504 return XvMCBadSurface; 505 506 surface_priv = surface->privData; 507 context_priv = surface_priv->context->privData; 508 509 if (surface_priv->picture_structure) { 510 struct pipe_mpeg12_picture_desc desc; 511 GetPictureDescription(surface_priv, &desc); 512 context_priv->decoder->end_frame(context_priv->decoder, surface_priv->video_buffer, &desc.base); 513 } 514 surface_priv->video_buffer->destroy(surface_priv->video_buffer); 515 FREE(surface_priv); 516 surface->privData = NULL; 517 518 XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p destroyed.\n", surface); 519 520 return Success; 521 } 522 523 PUBLIC 524 Status XvMCHideSurface(Display *dpy, XvMCSurface *surface) 525 { 526 assert(dpy); 527 528 if (!surface || !surface->privData) 529 return XvMCBadSurface; 530 531 /* No op, only for overlaid rendering */ 532 533 return Success; 534 } 535