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 <math.h> 29 #include <assert.h> 30 31 #include "util/u_memory.h" 32 #include "util/u_rect.h" 33 #include "util/u_sampler.h" 34 #include "util/u_video.h" 35 36 #include "vl_mpeg12_decoder.h" 37 #include "vl_defines.h" 38 39 #define SCALE_FACTOR_SNORM (32768.0f / 256.0f) 40 #define SCALE_FACTOR_SSCALED (1.0f / 256.0f) 41 42 struct format_config { 43 enum pipe_format zscan_source_format; 44 enum pipe_format idct_source_format; 45 enum pipe_format mc_source_format; 46 47 float idct_scale; 48 float mc_scale; 49 }; 50 51 static const struct format_config bitstream_format_config[] = { 52 // { PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R16G16B16A16_FLOAT, 1.0f, SCALE_FACTOR_SSCALED }, 53 // { PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, 1.0f, SCALE_FACTOR_SSCALED }, 54 { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R16G16B16A16_FLOAT, 1.0f, SCALE_FACTOR_SNORM }, 55 { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, 1.0f, SCALE_FACTOR_SNORM } 56 }; 57 58 static const unsigned num_bitstream_format_configs = 59 sizeof(bitstream_format_config) / sizeof(struct format_config); 60 61 static const struct format_config idct_format_config[] = { 62 // { PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R16G16B16A16_FLOAT, 1.0f, SCALE_FACTOR_SSCALED }, 63 // { PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, 1.0f, SCALE_FACTOR_SSCALED }, 64 { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R16G16B16A16_FLOAT, 1.0f, SCALE_FACTOR_SNORM }, 65 { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, 1.0f, SCALE_FACTOR_SNORM } 66 }; 67 68 static const unsigned num_idct_format_configs = 69 sizeof(idct_format_config) / sizeof(struct format_config); 70 71 static const struct format_config mc_format_config[] = { 72 //{ PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_NONE, PIPE_FORMAT_R16_SSCALED, 0.0f, SCALE_FACTOR_SSCALED }, 73 { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_NONE, PIPE_FORMAT_R16_SNORM, 0.0f, SCALE_FACTOR_SNORM } 74 }; 75 76 static const unsigned num_mc_format_configs = 77 sizeof(mc_format_config) / sizeof(struct format_config); 78 79 static const unsigned const_empty_block_mask_420[3][2][2] = { 80 { { 0x20, 0x10 }, { 0x08, 0x04 } }, 81 { { 0x02, 0x02 }, { 0x02, 0x02 } }, 82 { { 0x01, 0x01 }, { 0x01, 0x01 } } 83 }; 84 85 static bool 86 init_zscan_buffer(struct vl_mpeg12_decoder *dec, struct vl_mpeg12_buffer *buffer) 87 { 88 struct pipe_resource *res, res_tmpl; 89 struct pipe_sampler_view sv_tmpl; 90 struct pipe_surface **destination; 91 92 unsigned i; 93 94 assert(dec && buffer); 95 96 memset(&res_tmpl, 0, sizeof(res_tmpl)); 97 res_tmpl.target = PIPE_TEXTURE_2D; 98 res_tmpl.format = dec->zscan_source_format; 99 res_tmpl.width0 = dec->blocks_per_line * VL_BLOCK_WIDTH * VL_BLOCK_HEIGHT; 100 res_tmpl.height0 = align(dec->num_blocks, dec->blocks_per_line) / dec->blocks_per_line; 101 res_tmpl.depth0 = 1; 102 res_tmpl.array_size = 1; 103 res_tmpl.usage = PIPE_USAGE_STREAM; 104 res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW; 105 106 res = dec->base.context->screen->resource_create(dec->base.context->screen, &res_tmpl); 107 if (!res) 108 goto error_source; 109 110 111 memset(&sv_tmpl, 0, sizeof(sv_tmpl)); 112 u_sampler_view_default_template(&sv_tmpl, res, res->format); 113 sv_tmpl.swizzle_r = sv_tmpl.swizzle_g = sv_tmpl.swizzle_b = sv_tmpl.swizzle_a = PIPE_SWIZZLE_RED; 114 buffer->zscan_source = dec->base.context->create_sampler_view(dec->base.context, res, &sv_tmpl); 115 pipe_resource_reference(&res, NULL); 116 if (!buffer->zscan_source) 117 goto error_sampler; 118 119 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) 120 destination = dec->idct_source->get_surfaces(dec->idct_source); 121 else 122 destination = dec->mc_source->get_surfaces(dec->mc_source); 123 124 if (!destination) 125 goto error_surface; 126 127 for (i = 0; i < VL_NUM_COMPONENTS; ++i) 128 if (!vl_zscan_init_buffer(i == 0 ? &dec->zscan_y : &dec->zscan_c, 129 &buffer->zscan[i], buffer->zscan_source, destination[i])) 130 goto error_plane; 131 132 return true; 133 134 error_plane: 135 for (; i > 0; --i) 136 vl_zscan_cleanup_buffer(&buffer->zscan[i - 1]); 137 138 error_surface: 139 error_sampler: 140 pipe_sampler_view_reference(&buffer->zscan_source, NULL); 141 142 error_source: 143 return false; 144 } 145 146 static void 147 cleanup_zscan_buffer(struct vl_mpeg12_buffer *buffer) 148 { 149 unsigned i; 150 151 assert(buffer); 152 153 for (i = 0; i < VL_NUM_COMPONENTS; ++i) 154 vl_zscan_cleanup_buffer(&buffer->zscan[i]); 155 156 pipe_sampler_view_reference(&buffer->zscan_source, NULL); 157 } 158 159 static bool 160 init_idct_buffer(struct vl_mpeg12_decoder *dec, struct vl_mpeg12_buffer *buffer) 161 { 162 struct pipe_sampler_view **idct_source_sv, **mc_source_sv; 163 164 unsigned i; 165 166 assert(dec && buffer); 167 168 idct_source_sv = dec->idct_source->get_sampler_view_planes(dec->idct_source); 169 if (!idct_source_sv) 170 goto error_source_sv; 171 172 mc_source_sv = dec->mc_source->get_sampler_view_planes(dec->mc_source); 173 if (!mc_source_sv) 174 goto error_mc_source_sv; 175 176 for (i = 0; i < 3; ++i) 177 if (!vl_idct_init_buffer(i == 0 ? &dec->idct_y : &dec->idct_c, 178 &buffer->idct[i], idct_source_sv[i], 179 mc_source_sv[i])) 180 goto error_plane; 181 182 return true; 183 184 error_plane: 185 for (; i > 0; --i) 186 vl_idct_cleanup_buffer(&buffer->idct[i - 1]); 187 188 error_mc_source_sv: 189 error_source_sv: 190 return false; 191 } 192 193 static void 194 cleanup_idct_buffer(struct vl_mpeg12_buffer *buf) 195 { 196 unsigned i; 197 198 assert(buf); 199 200 for (i = 0; i < 3; ++i) 201 vl_idct_cleanup_buffer(&buf->idct[0]); 202 } 203 204 static bool 205 init_mc_buffer(struct vl_mpeg12_decoder *dec, struct vl_mpeg12_buffer *buf) 206 { 207 assert(dec && buf); 208 209 if(!vl_mc_init_buffer(&dec->mc_y, &buf->mc[0])) 210 goto error_mc_y; 211 212 if(!vl_mc_init_buffer(&dec->mc_c, &buf->mc[1])) 213 goto error_mc_cb; 214 215 if(!vl_mc_init_buffer(&dec->mc_c, &buf->mc[2])) 216 goto error_mc_cr; 217 218 return true; 219 220 error_mc_cr: 221 vl_mc_cleanup_buffer(&buf->mc[1]); 222 223 error_mc_cb: 224 vl_mc_cleanup_buffer(&buf->mc[0]); 225 226 error_mc_y: 227 return false; 228 } 229 230 static void 231 cleanup_mc_buffer(struct vl_mpeg12_buffer *buf) 232 { 233 unsigned i; 234 235 assert(buf); 236 237 for (i = 0; i < VL_NUM_COMPONENTS; ++i) 238 vl_mc_cleanup_buffer(&buf->mc[i]); 239 } 240 241 static INLINE void 242 MacroBlockTypeToPipeWeights(const struct pipe_mpeg12_macroblock *mb, unsigned weights[2]) 243 { 244 assert(mb); 245 246 switch (mb->macroblock_type & (PIPE_MPEG12_MB_TYPE_MOTION_FORWARD | PIPE_MPEG12_MB_TYPE_MOTION_BACKWARD)) { 247 case PIPE_MPEG12_MB_TYPE_MOTION_FORWARD: 248 weights[0] = PIPE_VIDEO_MV_WEIGHT_MAX; 249 weights[1] = PIPE_VIDEO_MV_WEIGHT_MIN; 250 break; 251 252 case (PIPE_MPEG12_MB_TYPE_MOTION_FORWARD | PIPE_MPEG12_MB_TYPE_MOTION_BACKWARD): 253 weights[0] = PIPE_VIDEO_MV_WEIGHT_HALF; 254 weights[1] = PIPE_VIDEO_MV_WEIGHT_HALF; 255 break; 256 257 case PIPE_MPEG12_MB_TYPE_MOTION_BACKWARD: 258 weights[0] = PIPE_VIDEO_MV_WEIGHT_MIN; 259 weights[1] = PIPE_VIDEO_MV_WEIGHT_MAX; 260 break; 261 262 default: 263 if (mb->macroblock_type & PIPE_MPEG12_MB_TYPE_INTRA) { 264 weights[0] = PIPE_VIDEO_MV_WEIGHT_MIN; 265 weights[1] = PIPE_VIDEO_MV_WEIGHT_MIN; 266 } else { 267 /* no motion vector, but also not intra mb -> 268 just copy the old frame content */ 269 weights[0] = PIPE_VIDEO_MV_WEIGHT_MAX; 270 weights[1] = PIPE_VIDEO_MV_WEIGHT_MIN; 271 } 272 break; 273 } 274 } 275 276 static INLINE struct vl_motionvector 277 MotionVectorToPipe(const struct pipe_mpeg12_macroblock *mb, unsigned vector, 278 unsigned field_select_mask, unsigned weight) 279 { 280 struct vl_motionvector mv; 281 282 assert(mb); 283 284 if (mb->macroblock_type & (PIPE_MPEG12_MB_TYPE_MOTION_FORWARD | PIPE_MPEG12_MB_TYPE_MOTION_BACKWARD)) { 285 switch (mb->macroblock_modes.bits.frame_motion_type) { 286 case PIPE_MPEG12_MO_TYPE_FRAME: 287 mv.top.x = mb->PMV[0][vector][0]; 288 mv.top.y = mb->PMV[0][vector][1]; 289 mv.top.field_select = PIPE_VIDEO_FRAME; 290 mv.top.weight = weight; 291 292 mv.bottom.x = mb->PMV[0][vector][0]; 293 mv.bottom.y = mb->PMV[0][vector][1]; 294 mv.bottom.weight = weight; 295 mv.bottom.field_select = PIPE_VIDEO_FRAME; 296 break; 297 298 case PIPE_MPEG12_MO_TYPE_FIELD: 299 mv.top.x = mb->PMV[0][vector][0]; 300 mv.top.y = mb->PMV[0][vector][1]; 301 mv.top.field_select = (mb->motion_vertical_field_select & field_select_mask) ? 302 PIPE_VIDEO_BOTTOM_FIELD : PIPE_VIDEO_TOP_FIELD; 303 mv.top.weight = weight; 304 305 mv.bottom.x = mb->PMV[1][vector][0]; 306 mv.bottom.y = mb->PMV[1][vector][1]; 307 mv.bottom.field_select = (mb->motion_vertical_field_select & (field_select_mask << 2)) ? 308 PIPE_VIDEO_BOTTOM_FIELD : PIPE_VIDEO_TOP_FIELD; 309 mv.bottom.weight = weight; 310 break; 311 312 default: // TODO: Support DUALPRIME and 16x8 313 break; 314 } 315 } else { 316 mv.top.x = mv.top.y = 0; 317 mv.top.field_select = PIPE_VIDEO_FRAME; 318 mv.top.weight = weight; 319 320 mv.bottom.x = mv.bottom.y = 0; 321 mv.bottom.field_select = PIPE_VIDEO_FRAME; 322 mv.bottom.weight = weight; 323 } 324 return mv; 325 } 326 327 static INLINE void 328 UploadYcbcrBlocks(struct vl_mpeg12_decoder *dec, 329 struct vl_mpeg12_buffer *buf, 330 const struct pipe_mpeg12_macroblock *mb) 331 { 332 unsigned intra; 333 unsigned tb, x, y, num_blocks = 0; 334 335 assert(dec && buf); 336 assert(mb); 337 338 if (!mb->coded_block_pattern) 339 return; 340 341 intra = mb->macroblock_type & PIPE_MPEG12_MB_TYPE_INTRA ? 1 : 0; 342 343 for (y = 0; y < 2; ++y) { 344 for (x = 0; x < 2; ++x) { 345 if (mb->coded_block_pattern & const_empty_block_mask_420[0][y][x]) { 346 347 struct vl_ycbcr_block *stream = buf->ycbcr_stream[0]; 348 stream->x = mb->x * 2 + x; 349 stream->y = mb->y * 2 + y; 350 stream->intra = intra; 351 stream->coding = mb->macroblock_modes.bits.dct_type; 352 stream->block_num = buf->block_num++; 353 354 buf->num_ycbcr_blocks[0]++; 355 buf->ycbcr_stream[0]++; 356 357 num_blocks++; 358 } 359 } 360 } 361 362 /* TODO: Implement 422, 444 */ 363 //assert(ctx->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420); 364 365 for (tb = 1; tb < 3; ++tb) { 366 if (mb->coded_block_pattern & const_empty_block_mask_420[tb][0][0]) { 367 368 struct vl_ycbcr_block *stream = buf->ycbcr_stream[tb]; 369 stream->x = mb->x; 370 stream->y = mb->y; 371 stream->intra = intra; 372 stream->coding = 0; 373 stream->block_num = buf->block_num++; 374 375 buf->num_ycbcr_blocks[tb]++; 376 buf->ycbcr_stream[tb]++; 377 378 num_blocks++; 379 } 380 } 381 382 memcpy(buf->texels, mb->blocks, 64 * sizeof(short) * num_blocks); 383 buf->texels += 64 * num_blocks; 384 } 385 386 static void 387 vl_mpeg12_destroy_buffer(void *buffer) 388 { 389 struct vl_mpeg12_buffer *buf = buffer; 390 391 assert(buf); 392 393 cleanup_zscan_buffer(buf); 394 cleanup_idct_buffer(buf); 395 cleanup_mc_buffer(buf); 396 vl_vb_cleanup(&buf->vertex_stream); 397 398 FREE(buf); 399 } 400 401 static void 402 vl_mpeg12_destroy(struct pipe_video_decoder *decoder) 403 { 404 struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder*)decoder; 405 unsigned i; 406 407 assert(decoder); 408 409 /* Asserted in softpipe_delete_fs_state() for some reason */ 410 dec->base.context->bind_vs_state(dec->base.context, NULL); 411 dec->base.context->bind_fs_state(dec->base.context, NULL); 412 413 dec->base.context->delete_depth_stencil_alpha_state(dec->base.context, dec->dsa); 414 dec->base.context->delete_sampler_state(dec->base.context, dec->sampler_ycbcr); 415 416 vl_mc_cleanup(&dec->mc_y); 417 vl_mc_cleanup(&dec->mc_c); 418 dec->mc_source->destroy(dec->mc_source); 419 420 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { 421 vl_idct_cleanup(&dec->idct_y); 422 vl_idct_cleanup(&dec->idct_c); 423 dec->idct_source->destroy(dec->idct_source); 424 } 425 426 vl_zscan_cleanup(&dec->zscan_y); 427 vl_zscan_cleanup(&dec->zscan_c); 428 429 dec->base.context->delete_vertex_elements_state(dec->base.context, dec->ves_ycbcr); 430 dec->base.context->delete_vertex_elements_state(dec->base.context, dec->ves_mv); 431 432 pipe_resource_reference(&dec->quads.buffer, NULL); 433 pipe_resource_reference(&dec->pos.buffer, NULL); 434 435 pipe_sampler_view_reference(&dec->zscan_linear, NULL); 436 pipe_sampler_view_reference(&dec->zscan_normal, NULL); 437 pipe_sampler_view_reference(&dec->zscan_alternate, NULL); 438 439 for (i = 0; i < 4; ++i) 440 if (dec->dec_buffers[i]) 441 vl_mpeg12_destroy_buffer(dec->dec_buffers[i]); 442 443 FREE(dec); 444 } 445 446 static struct vl_mpeg12_buffer * 447 vl_mpeg12_get_decode_buffer(struct vl_mpeg12_decoder *dec, struct pipe_video_buffer *target) 448 { 449 struct vl_mpeg12_buffer *buffer; 450 451 assert(dec); 452 453 buffer = vl_video_buffer_get_associated_data(target, &dec->base); 454 if (buffer) 455 return buffer; 456 457 buffer = dec->dec_buffers[dec->current_buffer]; 458 if (buffer) 459 return buffer; 460 461 buffer = CALLOC_STRUCT(vl_mpeg12_buffer); 462 if (buffer == NULL) 463 return NULL; 464 465 if (!vl_vb_init(&buffer->vertex_stream, dec->base.context, 466 dec->base.width / VL_MACROBLOCK_WIDTH, 467 dec->base.height / VL_MACROBLOCK_HEIGHT)) 468 goto error_vertex_buffer; 469 470 if (!init_mc_buffer(dec, buffer)) 471 goto error_mc; 472 473 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) 474 if (!init_idct_buffer(dec, buffer)) 475 goto error_idct; 476 477 if (!init_zscan_buffer(dec, buffer)) 478 goto error_zscan; 479 480 if (dec->base.entrypoint == PIPE_VIDEO_ENTRYPOINT_BITSTREAM) 481 vl_mpg12_bs_init(&buffer->bs, &dec->base); 482 483 if (dec->expect_chunked_decode) 484 vl_video_buffer_set_associated_data(target, &dec->base, 485 buffer, vl_mpeg12_destroy_buffer); 486 else 487 dec->dec_buffers[dec->current_buffer] = buffer; 488 489 return buffer; 490 491 error_zscan: 492 cleanup_idct_buffer(buffer); 493 494 error_idct: 495 cleanup_mc_buffer(buffer); 496 497 error_mc: 498 vl_vb_cleanup(&buffer->vertex_stream); 499 500 error_vertex_buffer: 501 FREE(buffer); 502 return NULL; 503 } 504 505 static void 506 vl_mpeg12_begin_frame(struct pipe_video_decoder *decoder, 507 struct pipe_video_buffer *target, 508 struct pipe_picture_desc *picture) 509 { 510 struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder *)decoder; 511 struct pipe_mpeg12_picture_desc *desc = (struct pipe_mpeg12_picture_desc *)picture; 512 struct vl_mpeg12_buffer *buf; 513 514 struct pipe_resource *tex; 515 struct pipe_box rect = { 0, 0, 0, 1, 1, 1 }; 516 517 uint8_t intra_matrix[64]; 518 uint8_t non_intra_matrix[64]; 519 520 unsigned i; 521 522 assert(dec && target && picture); 523 524 buf = vl_mpeg12_get_decode_buffer(dec, target); 525 assert(buf); 526 527 if (dec->base.entrypoint == PIPE_VIDEO_ENTRYPOINT_BITSTREAM) { 528 memcpy(intra_matrix, desc->intra_matrix, sizeof(intra_matrix)); 529 memcpy(non_intra_matrix, desc->non_intra_matrix, sizeof(non_intra_matrix)); 530 intra_matrix[0] = 1 << (7 - desc->intra_dc_precision); 531 } else { 532 memset(intra_matrix, 0x10, sizeof(intra_matrix)); 533 memset(non_intra_matrix, 0x10, sizeof(non_intra_matrix)); 534 } 535 536 for (i = 0; i < VL_NUM_COMPONENTS; ++i) { 537 struct vl_zscan *zscan = i == 0 ? &dec->zscan_y : &dec->zscan_c; 538 vl_zscan_upload_quant(zscan, &buf->zscan[i], intra_matrix, true); 539 vl_zscan_upload_quant(zscan, &buf->zscan[i], non_intra_matrix, false); 540 } 541 542 vl_vb_map(&buf->vertex_stream, dec->base.context); 543 544 tex = buf->zscan_source->texture; 545 rect.width = tex->width0; 546 rect.height = tex->height0; 547 548 buf->tex_transfer = dec->base.context->get_transfer 549 ( 550 dec->base.context, tex, 551 0, PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_RANGE, 552 &rect 553 ); 554 555 buf->block_num = 0; 556 buf->texels = dec->base.context->transfer_map(dec->base.context, buf->tex_transfer); 557 558 for (i = 0; i < VL_NUM_COMPONENTS; ++i) { 559 buf->ycbcr_stream[i] = vl_vb_get_ycbcr_stream(&buf->vertex_stream, i); 560 buf->num_ycbcr_blocks[i] = 0; 561 } 562 563 for (i = 0; i < VL_MAX_REF_FRAMES; ++i) 564 buf->mv_stream[i] = vl_vb_get_mv_stream(&buf->vertex_stream, i); 565 566 if (dec->base.entrypoint >= PIPE_VIDEO_ENTRYPOINT_IDCT) { 567 for (i = 0; i < VL_NUM_COMPONENTS; ++i) 568 vl_zscan_set_layout(&buf->zscan[i], dec->zscan_linear); 569 } 570 } 571 572 static void 573 vl_mpeg12_decode_macroblock(struct pipe_video_decoder *decoder, 574 struct pipe_video_buffer *target, 575 struct pipe_picture_desc *picture, 576 const struct pipe_macroblock *macroblocks, 577 unsigned num_macroblocks) 578 { 579 struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder *)decoder; 580 const struct pipe_mpeg12_macroblock *mb = (const struct pipe_mpeg12_macroblock *)macroblocks; 581 struct pipe_mpeg12_picture_desc *desc = (struct pipe_mpeg12_picture_desc *)picture; 582 struct vl_mpeg12_buffer *buf; 583 584 unsigned i, j, mv_weights[2]; 585 586 assert(dec && target && picture); 587 assert(macroblocks && macroblocks->codec == PIPE_VIDEO_CODEC_MPEG12); 588 589 buf = vl_mpeg12_get_decode_buffer(dec, target); 590 assert(buf); 591 592 for (; num_macroblocks > 0; --num_macroblocks) { 593 unsigned mb_addr = mb->y * dec->width_in_macroblocks + mb->x; 594 595 if (mb->macroblock_type & (PIPE_MPEG12_MB_TYPE_PATTERN | PIPE_MPEG12_MB_TYPE_INTRA)) 596 UploadYcbcrBlocks(dec, buf, mb); 597 598 MacroBlockTypeToPipeWeights(mb, mv_weights); 599 600 for (i = 0; i < 2; ++i) { 601 if (!desc->ref[i]) continue; 602 603 buf->mv_stream[i][mb_addr] = MotionVectorToPipe 604 ( 605 mb, i, 606 i ? PIPE_MPEG12_FS_FIRST_BACKWARD : PIPE_MPEG12_FS_FIRST_FORWARD, 607 mv_weights[i] 608 ); 609 } 610 611 /* see section 7.6.6 of the spec */ 612 if (mb->num_skipped_macroblocks > 0) { 613 struct vl_motionvector skipped_mv[2]; 614 615 if (desc->ref[0] && !desc->ref[1]) { 616 skipped_mv[0].top.x = skipped_mv[0].top.y = 0; 617 skipped_mv[0].top.weight = PIPE_VIDEO_MV_WEIGHT_MAX; 618 } else { 619 skipped_mv[0] = buf->mv_stream[0][mb_addr]; 620 skipped_mv[1] = buf->mv_stream[1][mb_addr]; 621 } 622 skipped_mv[0].top.field_select = PIPE_VIDEO_FRAME; 623 skipped_mv[1].top.field_select = PIPE_VIDEO_FRAME; 624 625 skipped_mv[0].bottom = skipped_mv[0].top; 626 skipped_mv[1].bottom = skipped_mv[1].top; 627 628 ++mb_addr; 629 for (i = 0; i < mb->num_skipped_macroblocks; ++i, ++mb_addr) { 630 for (j = 0; j < 2; ++j) { 631 if (!desc->ref[j]) continue; 632 buf->mv_stream[j][mb_addr] = skipped_mv[j]; 633 634 } 635 } 636 } 637 638 ++mb; 639 } 640 } 641 642 static void 643 vl_mpeg12_decode_bitstream(struct pipe_video_decoder *decoder, 644 struct pipe_video_buffer *target, 645 struct pipe_picture_desc *picture, 646 unsigned num_buffers, 647 const void * const *buffers, 648 const unsigned *sizes) 649 { 650 struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder *)decoder; 651 struct pipe_mpeg12_picture_desc *desc = (struct pipe_mpeg12_picture_desc *)picture; 652 struct vl_mpeg12_buffer *buf; 653 654 unsigned i; 655 656 assert(dec && target && picture); 657 658 buf = vl_mpeg12_get_decode_buffer(dec, target); 659 assert(buf); 660 661 for (i = 0; i < VL_NUM_COMPONENTS; ++i) 662 vl_zscan_set_layout(&buf->zscan[i], desc->alternate_scan ? 663 dec->zscan_alternate : dec->zscan_normal); 664 665 vl_mpg12_bs_decode(&buf->bs, target, desc, num_buffers, buffers, sizes); 666 } 667 668 static void 669 vl_mpeg12_end_frame(struct pipe_video_decoder *decoder, 670 struct pipe_video_buffer *target, 671 struct pipe_picture_desc *picture) 672 { 673 struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder *)decoder; 674 struct pipe_mpeg12_picture_desc *desc = (struct pipe_mpeg12_picture_desc *)picture; 675 struct pipe_sampler_view **ref_frames[2]; 676 struct pipe_sampler_view **mc_source_sv; 677 struct pipe_surface **target_surfaces; 678 struct pipe_vertex_buffer vb[3]; 679 struct vl_mpeg12_buffer *buf; 680 681 const unsigned *plane_order; 682 unsigned i, j, component; 683 unsigned nr_components; 684 685 assert(dec && target && picture); 686 assert(!target->interlaced); 687 688 buf = vl_mpeg12_get_decode_buffer(dec, target); 689 690 vl_vb_unmap(&buf->vertex_stream, dec->base.context); 691 692 dec->base.context->transfer_unmap(dec->base.context, buf->tex_transfer); 693 dec->base.context->transfer_destroy(dec->base.context, buf->tex_transfer); 694 695 vb[0] = dec->quads; 696 vb[1] = dec->pos; 697 698 target_surfaces = target->get_surfaces(target); 699 700 for (i = 0; i < VL_MAX_REF_FRAMES; ++i) { 701 if (desc->ref[i]) 702 ref_frames[i] = desc->ref[i]->get_sampler_view_planes(desc->ref[i]); 703 else 704 ref_frames[i] = NULL; 705 } 706 707 dec->base.context->bind_vertex_elements_state(dec->base.context, dec->ves_mv); 708 for (i = 0; i < VL_NUM_COMPONENTS; ++i) { 709 if (!target_surfaces[i]) continue; 710 711 vl_mc_set_surface(&buf->mc[i], target_surfaces[i]); 712 713 for (j = 0; j < VL_MAX_REF_FRAMES; ++j) { 714 if (!ref_frames[j] || !ref_frames[j][i]) continue; 715 716 vb[2] = vl_vb_get_mv(&buf->vertex_stream, j);; 717 dec->base.context->set_vertex_buffers(dec->base.context, 3, vb); 718 719 vl_mc_render_ref(i ? &dec->mc_c : &dec->mc_y, &buf->mc[i], ref_frames[j][i]); 720 } 721 } 722 723 dec->base.context->bind_vertex_elements_state(dec->base.context, dec->ves_ycbcr); 724 for (i = 0; i < VL_NUM_COMPONENTS; ++i) { 725 if (!buf->num_ycbcr_blocks[i]) continue; 726 727 vb[1] = vl_vb_get_ycbcr(&buf->vertex_stream, i); 728 dec->base.context->set_vertex_buffers(dec->base.context, 2, vb); 729 730 vl_zscan_render(i ? &dec->zscan_c : & dec->zscan_y, &buf->zscan[i] , buf->num_ycbcr_blocks[i]); 731 732 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) 733 vl_idct_flush(i ? &dec->idct_c : &dec->idct_y, &buf->idct[i], buf->num_ycbcr_blocks[i]); 734 } 735 736 plane_order = vl_video_buffer_plane_order(target->buffer_format); 737 mc_source_sv = dec->mc_source->get_sampler_view_planes(dec->mc_source); 738 for (i = 0, component = 0; component < VL_NUM_COMPONENTS; ++i) { 739 if (!target_surfaces[i]) continue; 740 741 nr_components = util_format_get_nr_components(target_surfaces[i]->texture->format); 742 for (j = 0; j < nr_components; ++j, ++component) { 743 unsigned plane = plane_order[component]; 744 if (!buf->num_ycbcr_blocks[plane]) continue; 745 746 vb[1] = vl_vb_get_ycbcr(&buf->vertex_stream, plane); 747 dec->base.context->set_vertex_buffers(dec->base.context, 2, vb); 748 749 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) 750 vl_idct_prepare_stage2(i ? &dec->idct_c : &dec->idct_y, &buf->idct[plane]); 751 else { 752 dec->base.context->set_fragment_sampler_views(dec->base.context, 1, &mc_source_sv[plane]); 753 dec->base.context->bind_fragment_sampler_states(dec->base.context, 1, &dec->sampler_ycbcr); 754 } 755 vl_mc_render_ycbcr(i ? &dec->mc_c : &dec->mc_y, &buf->mc[i], j, buf->num_ycbcr_blocks[plane]); 756 } 757 } 758 ++dec->current_buffer; 759 dec->current_buffer %= 4; 760 } 761 762 static void 763 vl_mpeg12_flush(struct pipe_video_decoder *decoder) 764 { 765 assert(decoder); 766 767 //Noop, for shaders it is much faster to flush everything in end_frame 768 } 769 770 static bool 771 init_pipe_state(struct vl_mpeg12_decoder *dec) 772 { 773 struct pipe_depth_stencil_alpha_state dsa; 774 struct pipe_sampler_state sampler; 775 unsigned i; 776 777 assert(dec); 778 779 memset(&dsa, 0, sizeof dsa); 780 dsa.depth.enabled = 0; 781 dsa.depth.writemask = 0; 782 dsa.depth.func = PIPE_FUNC_ALWAYS; 783 for (i = 0; i < 2; ++i) { 784 dsa.stencil[i].enabled = 0; 785 dsa.stencil[i].func = PIPE_FUNC_ALWAYS; 786 dsa.stencil[i].fail_op = PIPE_STENCIL_OP_KEEP; 787 dsa.stencil[i].zpass_op = PIPE_STENCIL_OP_KEEP; 788 dsa.stencil[i].zfail_op = PIPE_STENCIL_OP_KEEP; 789 dsa.stencil[i].valuemask = 0; 790 dsa.stencil[i].writemask = 0; 791 } 792 dsa.alpha.enabled = 0; 793 dsa.alpha.func = PIPE_FUNC_ALWAYS; 794 dsa.alpha.ref_value = 0; 795 dec->dsa = dec->base.context->create_depth_stencil_alpha_state(dec->base.context, &dsa); 796 dec->base.context->bind_depth_stencil_alpha_state(dec->base.context, dec->dsa); 797 798 memset(&sampler, 0, sizeof(sampler)); 799 sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 800 sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 801 sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_BORDER; 802 sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; 803 sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; 804 sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; 805 sampler.compare_mode = PIPE_TEX_COMPARE_NONE; 806 sampler.compare_func = PIPE_FUNC_ALWAYS; 807 sampler.normalized_coords = 1; 808 dec->sampler_ycbcr = dec->base.context->create_sampler_state(dec->base.context, &sampler); 809 if (!dec->sampler_ycbcr) 810 return false; 811 812 return true; 813 } 814 815 static const struct format_config* 816 find_format_config(struct vl_mpeg12_decoder *dec, const struct format_config configs[], unsigned num_configs) 817 { 818 struct pipe_screen *screen; 819 unsigned i; 820 821 assert(dec); 822 823 screen = dec->base.context->screen; 824 825 for (i = 0; i < num_configs; ++i) { 826 if (!screen->is_format_supported(screen, configs[i].zscan_source_format, PIPE_TEXTURE_2D, 827 1, PIPE_BIND_SAMPLER_VIEW)) 828 continue; 829 830 if (configs[i].idct_source_format != PIPE_FORMAT_NONE) { 831 if (!screen->is_format_supported(screen, configs[i].idct_source_format, PIPE_TEXTURE_2D, 832 1, PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET)) 833 continue; 834 835 if (!screen->is_format_supported(screen, configs[i].mc_source_format, PIPE_TEXTURE_3D, 836 1, PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET)) 837 continue; 838 } else { 839 if (!screen->is_format_supported(screen, configs[i].mc_source_format, PIPE_TEXTURE_2D, 840 1, PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET)) 841 continue; 842 } 843 return &configs[i]; 844 } 845 846 return NULL; 847 } 848 849 static bool 850 init_zscan(struct vl_mpeg12_decoder *dec, const struct format_config* format_config) 851 { 852 unsigned num_channels; 853 854 assert(dec); 855 856 dec->zscan_source_format = format_config->zscan_source_format; 857 dec->zscan_linear = vl_zscan_layout(dec->base.context, vl_zscan_linear, dec->blocks_per_line); 858 dec->zscan_normal = vl_zscan_layout(dec->base.context, vl_zscan_normal, dec->blocks_per_line); 859 dec->zscan_alternate = vl_zscan_layout(dec->base.context, vl_zscan_alternate, dec->blocks_per_line); 860 861 num_channels = dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT ? 4 : 1; 862 863 if (!vl_zscan_init(&dec->zscan_y, dec->base.context, dec->base.width, dec->base.height, 864 dec->blocks_per_line, dec->num_blocks, num_channels)) 865 return false; 866 867 if (!vl_zscan_init(&dec->zscan_c, dec->base.context, dec->chroma_width, dec->chroma_height, 868 dec->blocks_per_line, dec->num_blocks, num_channels)) 869 return false; 870 871 return true; 872 } 873 874 static bool 875 init_idct(struct vl_mpeg12_decoder *dec, const struct format_config* format_config) 876 { 877 unsigned nr_of_idct_render_targets, max_inst; 878 enum pipe_format formats[3]; 879 struct pipe_video_buffer templat; 880 881 struct pipe_sampler_view *matrix = NULL; 882 883 nr_of_idct_render_targets = dec->base.context->screen->get_param 884 ( 885 dec->base.context->screen, PIPE_CAP_MAX_RENDER_TARGETS 886 ); 887 888 max_inst = dec->base.context->screen->get_shader_param 889 ( 890 dec->base.context->screen, PIPE_SHADER_FRAGMENT, PIPE_SHADER_CAP_MAX_INSTRUCTIONS 891 ); 892 893 // Just assume we need 32 inst per render target, not 100% true, but should work in most cases 894 if (nr_of_idct_render_targets >= 4 && max_inst >= 32*4) 895 // more than 4 render targets usually doesn't makes any seens 896 nr_of_idct_render_targets = 4; 897 else 898 nr_of_idct_render_targets = 1; 899 900 formats[0] = formats[1] = formats[2] = format_config->idct_source_format; 901 memset(&templat, 0, sizeof(templat)); 902 templat.width = dec->base.width / 4; 903 templat.height = dec->base.height; 904 templat.chroma_format = dec->base.chroma_format; 905 dec->idct_source = vl_video_buffer_create_ex 906 ( 907 dec->base.context, &templat, 908 formats, 1, PIPE_USAGE_STATIC 909 ); 910 911 if (!dec->idct_source) 912 goto error_idct_source; 913 914 formats[0] = formats[1] = formats[2] = format_config->mc_source_format; 915 memset(&templat, 0, sizeof(templat)); 916 templat.width = dec->base.width / nr_of_idct_render_targets; 917 templat.height = dec->base.height / 4; 918 templat.chroma_format = dec->base.chroma_format; 919 dec->mc_source = vl_video_buffer_create_ex 920 ( 921 dec->base.context, &templat, 922 formats, nr_of_idct_render_targets, PIPE_USAGE_STATIC 923 ); 924 925 if (!dec->mc_source) 926 goto error_mc_source; 927 928 if (!(matrix = vl_idct_upload_matrix(dec->base.context, format_config->idct_scale))) 929 goto error_matrix; 930 931 if (!vl_idct_init(&dec->idct_y, dec->base.context, dec->base.width, dec->base.height, 932 nr_of_idct_render_targets, matrix, matrix)) 933 goto error_y; 934 935 if(!vl_idct_init(&dec->idct_c, dec->base.context, dec->chroma_width, dec->chroma_height, 936 nr_of_idct_render_targets, matrix, matrix)) 937 goto error_c; 938 939 pipe_sampler_view_reference(&matrix, NULL); 940 941 return true; 942 943 error_c: 944 vl_idct_cleanup(&dec->idct_y); 945 946 error_y: 947 pipe_sampler_view_reference(&matrix, NULL); 948 949 error_matrix: 950 dec->mc_source->destroy(dec->mc_source); 951 952 error_mc_source: 953 dec->idct_source->destroy(dec->idct_source); 954 955 error_idct_source: 956 return false; 957 } 958 959 static bool 960 init_mc_source_widthout_idct(struct vl_mpeg12_decoder *dec, const struct format_config* format_config) 961 { 962 enum pipe_format formats[3]; 963 struct pipe_video_buffer templat; 964 965 formats[0] = formats[1] = formats[2] = format_config->mc_source_format; 966 memset(&templat, 0, sizeof(templat)); 967 templat.width = dec->base.width; 968 templat.height = dec->base.height; 969 templat.chroma_format = dec->base.chroma_format; 970 dec->mc_source = vl_video_buffer_create_ex 971 ( 972 dec->base.context, &templat, 973 formats, 1, PIPE_USAGE_STATIC 974 ); 975 976 return dec->mc_source != NULL; 977 } 978 979 static void 980 mc_vert_shader_callback(void *priv, struct vl_mc *mc, 981 struct ureg_program *shader, 982 unsigned first_output, 983 struct ureg_dst tex) 984 { 985 struct vl_mpeg12_decoder *dec = priv; 986 struct ureg_dst o_vtex; 987 988 assert(priv && mc); 989 assert(shader); 990 991 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { 992 struct vl_idct *idct = mc == &dec->mc_y ? &dec->idct_y : &dec->idct_c; 993 vl_idct_stage2_vert_shader(idct, shader, first_output, tex); 994 } else { 995 o_vtex = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output); 996 ureg_MOV(shader, ureg_writemask(o_vtex, TGSI_WRITEMASK_XY), ureg_src(tex)); 997 } 998 } 999 1000 static void 1001 mc_frag_shader_callback(void *priv, struct vl_mc *mc, 1002 struct ureg_program *shader, 1003 unsigned first_input, 1004 struct ureg_dst dst) 1005 { 1006 struct vl_mpeg12_decoder *dec = priv; 1007 struct ureg_src src, sampler; 1008 1009 assert(priv && mc); 1010 assert(shader); 1011 1012 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { 1013 struct vl_idct *idct = mc == &dec->mc_y ? &dec->idct_y : &dec->idct_c; 1014 vl_idct_stage2_frag_shader(idct, shader, first_input, dst); 1015 } else { 1016 src = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, first_input, TGSI_INTERPOLATE_LINEAR); 1017 sampler = ureg_DECL_sampler(shader, 0); 1018 ureg_TEX(shader, dst, TGSI_TEXTURE_2D, src, sampler); 1019 } 1020 } 1021 1022 struct pipe_video_decoder * 1023 vl_create_mpeg12_decoder(struct pipe_context *context, 1024 enum pipe_video_profile profile, 1025 enum pipe_video_entrypoint entrypoint, 1026 enum pipe_video_chroma_format chroma_format, 1027 unsigned width, unsigned height, unsigned max_references, 1028 bool expect_chunked_decode) 1029 { 1030 const unsigned block_size_pixels = VL_BLOCK_WIDTH * VL_BLOCK_HEIGHT; 1031 const struct format_config *format_config; 1032 struct vl_mpeg12_decoder *dec; 1033 1034 assert(u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG12); 1035 1036 dec = CALLOC_STRUCT(vl_mpeg12_decoder); 1037 1038 if (!dec) 1039 return NULL; 1040 1041 dec->base.context = context; 1042 dec->base.profile = profile; 1043 dec->base.entrypoint = entrypoint; 1044 dec->base.chroma_format = chroma_format; 1045 dec->base.width = width; 1046 dec->base.height = height; 1047 dec->base.max_references = max_references; 1048 1049 dec->base.destroy = vl_mpeg12_destroy; 1050 dec->base.begin_frame = vl_mpeg12_begin_frame; 1051 dec->base.decode_macroblock = vl_mpeg12_decode_macroblock; 1052 dec->base.decode_bitstream = vl_mpeg12_decode_bitstream; 1053 dec->base.end_frame = vl_mpeg12_end_frame; 1054 dec->base.flush = vl_mpeg12_flush; 1055 1056 dec->blocks_per_line = MAX2(util_next_power_of_two(dec->base.width) / block_size_pixels, 4); 1057 dec->num_blocks = (dec->base.width * dec->base.height) / block_size_pixels; 1058 dec->width_in_macroblocks = align(dec->base.width, VL_MACROBLOCK_WIDTH) / VL_MACROBLOCK_WIDTH; 1059 dec->expect_chunked_decode = expect_chunked_decode; 1060 1061 /* TODO: Implement 422, 444 */ 1062 assert(dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420); 1063 1064 if (dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) { 1065 dec->chroma_width = dec->base.width / 2; 1066 dec->chroma_height = dec->base.height / 2; 1067 dec->num_blocks = dec->num_blocks * 2; 1068 } else if (dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) { 1069 dec->chroma_width = dec->base.width; 1070 dec->chroma_height = dec->base.height / 2; 1071 dec->num_blocks = dec->num_blocks * 2 + dec->num_blocks; 1072 } else { 1073 dec->chroma_width = dec->base.width; 1074 dec->chroma_height = dec->base.height; 1075 dec->num_blocks = dec->num_blocks * 3; 1076 } 1077 1078 dec->quads = vl_vb_upload_quads(dec->base.context); 1079 dec->pos = vl_vb_upload_pos( 1080 dec->base.context, 1081 dec->base.width / VL_MACROBLOCK_WIDTH, 1082 dec->base.height / VL_MACROBLOCK_HEIGHT 1083 ); 1084 1085 dec->ves_ycbcr = vl_vb_get_ves_ycbcr(dec->base.context); 1086 dec->ves_mv = vl_vb_get_ves_mv(dec->base.context); 1087 1088 switch (entrypoint) { 1089 case PIPE_VIDEO_ENTRYPOINT_BITSTREAM: 1090 format_config = find_format_config(dec, bitstream_format_config, num_bitstream_format_configs); 1091 break; 1092 1093 case PIPE_VIDEO_ENTRYPOINT_IDCT: 1094 format_config = find_format_config(dec, idct_format_config, num_idct_format_configs); 1095 break; 1096 1097 case PIPE_VIDEO_ENTRYPOINT_MC: 1098 format_config = find_format_config(dec, mc_format_config, num_mc_format_configs); 1099 break; 1100 1101 default: 1102 assert(0); 1103 FREE(dec); 1104 return NULL; 1105 } 1106 1107 if (!format_config) { 1108 FREE(dec); 1109 return NULL; 1110 } 1111 1112 if (!init_zscan(dec, format_config)) 1113 goto error_zscan; 1114 1115 if (entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { 1116 if (!init_idct(dec, format_config)) 1117 goto error_sources; 1118 } else { 1119 if (!init_mc_source_widthout_idct(dec, format_config)) 1120 goto error_sources; 1121 } 1122 1123 if (!vl_mc_init(&dec->mc_y, dec->base.context, dec->base.width, dec->base.height, 1124 VL_MACROBLOCK_HEIGHT, format_config->mc_scale, 1125 mc_vert_shader_callback, mc_frag_shader_callback, dec)) 1126 goto error_mc_y; 1127 1128 // TODO 1129 if (!vl_mc_init(&dec->mc_c, dec->base.context, dec->base.width, dec->base.height, 1130 VL_BLOCK_HEIGHT, format_config->mc_scale, 1131 mc_vert_shader_callback, mc_frag_shader_callback, dec)) 1132 goto error_mc_c; 1133 1134 if (!init_pipe_state(dec)) 1135 goto error_pipe_state; 1136 1137 return &dec->base; 1138 1139 error_pipe_state: 1140 vl_mc_cleanup(&dec->mc_c); 1141 1142 error_mc_c: 1143 vl_mc_cleanup(&dec->mc_y); 1144 1145 error_mc_y: 1146 if (entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { 1147 vl_idct_cleanup(&dec->idct_y); 1148 vl_idct_cleanup(&dec->idct_c); 1149 dec->idct_source->destroy(dec->idct_source); 1150 } 1151 dec->mc_source->destroy(dec->mc_source); 1152 1153 error_sources: 1154 vl_zscan_cleanup(&dec->zscan_y); 1155 vl_zscan_cleanup(&dec->zscan_c); 1156 1157 error_zscan: 1158 FREE(dec); 1159 return NULL; 1160 } 1161
