vl_mpeg12_decoder.c revision a6c76c8a90dc8995feed3c61b02dbd8408149036
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_video.h> 34 35#include "vl_mpeg12_decoder.h" 36#include "vl_defines.h" 37 38#define SCALE_FACTOR_SNORM (32768.0f / 256.0f) 39#define SCALE_FACTOR_SSCALED (1.0f / 256.0f) 40 41struct format_config { 42 enum pipe_format zscan_source_format; 43 enum pipe_format idct_source_format; 44 enum pipe_format mc_source_format; 45 46 float idct_scale; 47 float mc_scale; 48}; 49 50static const struct format_config bitstream_format_config[] = { 51 { PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R16G16B16A16_FLOAT, 1.0f, SCALE_FACTOR_SSCALED }, 52 { PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, 1.0f, SCALE_FACTOR_SSCALED }, 53 { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R16G16B16A16_FLOAT, 1.0f, SCALE_FACTOR_SNORM }, 54 { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, 1.0f, SCALE_FACTOR_SNORM } 55}; 56 57static const unsigned num_bitstream_format_configs = 58 sizeof(bitstream_format_config) / sizeof(struct format_config); 59 60static const struct format_config idct_format_config[] = { 61 { PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R16G16B16A16_FLOAT, 1.0f, SCALE_FACTOR_SSCALED }, 62 { PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, PIPE_FORMAT_R16G16B16A16_SSCALED, 1.0f, SCALE_FACTOR_SSCALED }, 63 { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R16G16B16A16_FLOAT, 1.0f, SCALE_FACTOR_SNORM }, 64 { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM, 1.0f, SCALE_FACTOR_SNORM } 65}; 66 67static const unsigned num_idct_format_configs = 68 sizeof(idct_format_config) / sizeof(struct format_config); 69 70static const struct format_config mc_format_config[] = { 71 //{ PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_NONE, PIPE_FORMAT_R16_SSCALED, 0.0f, SCALE_FACTOR_SSCALED }, 72 { PIPE_FORMAT_R16_SNORM, PIPE_FORMAT_NONE, PIPE_FORMAT_R16_SNORM, 0.0f, SCALE_FACTOR_SNORM } 73}; 74 75static const unsigned num_mc_format_configs = 76 sizeof(mc_format_config) / sizeof(struct format_config); 77 78static bool 79init_zscan_buffer(struct vl_mpeg12_buffer *buffer) 80{ 81 enum pipe_format formats[3]; 82 83 struct pipe_sampler_view **source; 84 struct pipe_surface **destination; 85 86 struct vl_mpeg12_decoder *dec; 87 88 unsigned i; 89 90 assert(buffer); 91 92 dec = (struct vl_mpeg12_decoder*)buffer->base.decoder; 93 94 formats[0] = formats[1] = formats[2] = dec->zscan_source_format; 95 buffer->zscan_source = vl_video_buffer_init(dec->base.context, dec->pipe, 96 dec->blocks_per_line * BLOCK_WIDTH * BLOCK_HEIGHT, 97 align(dec->num_blocks, dec->blocks_per_line) / dec->blocks_per_line, 98 1, PIPE_VIDEO_CHROMA_FORMAT_444, 99 formats, PIPE_USAGE_STATIC); 100 if (!buffer->zscan_source) 101 goto error_source; 102 103 source = buffer->zscan_source->get_sampler_view_planes(buffer->zscan_source); 104 if (!source) 105 goto error_sampler; 106 107 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) 108 destination = dec->idct_source->get_surfaces(dec->idct_source); 109 else 110 destination = dec->mc_source->get_surfaces(dec->mc_source); 111 112 if (!destination) 113 goto error_surface; 114 115 for (i = 0; i < VL_MAX_PLANES; ++i) 116 if (!vl_zscan_init_buffer(i == 0 ? &dec->zscan_y : &dec->zscan_c, 117 &buffer->zscan[i], source[i], destination[i])) 118 goto error_plane; 119 120 return true; 121 122error_plane: 123 for (; i > 0; --i) 124 vl_zscan_cleanup_buffer(&buffer->zscan[i - 1]); 125 126error_surface: 127error_sampler: 128 buffer->zscan_source->destroy(buffer->zscan_source); 129 130error_source: 131 return false; 132} 133 134static void 135cleanup_zscan_buffer(struct vl_mpeg12_buffer *buffer) 136{ 137 unsigned i; 138 139 assert(buffer); 140 141 for (i = 0; i < VL_MAX_PLANES; ++i) 142 vl_zscan_cleanup_buffer(&buffer->zscan[i]); 143 buffer->zscan_source->destroy(buffer->zscan_source); 144} 145 146static bool 147init_idct_buffer(struct vl_mpeg12_buffer *buffer) 148{ 149 struct pipe_sampler_view **idct_source_sv, **mc_source_sv; 150 151 struct vl_mpeg12_decoder *dec; 152 153 unsigned i; 154 155 assert(buffer); 156 157 dec = (struct vl_mpeg12_decoder*)buffer->base.decoder; 158 159 idct_source_sv = dec->idct_source->get_sampler_view_planes(dec->idct_source); 160 if (!idct_source_sv) 161 goto error_source_sv; 162 163 mc_source_sv = dec->mc_source->get_sampler_view_planes(dec->mc_source); 164 if (!mc_source_sv) 165 goto error_mc_source_sv; 166 167 for (i = 0; i < 3; ++i) 168 if (!vl_idct_init_buffer(i == 0 ? &dec->idct_y : &dec->idct_c, 169 &buffer->idct[i], idct_source_sv[i], 170 mc_source_sv[i])) 171 goto error_plane; 172 173 return true; 174 175error_plane: 176 for (; i > 0; --i) 177 vl_idct_cleanup_buffer(i == 1 ? &dec->idct_c : &dec->idct_y, &buffer->idct[i - 1]); 178 179error_mc_source_sv: 180error_source_sv: 181 return false; 182} 183 184static void 185cleanup_idct_buffer(struct vl_mpeg12_buffer *buf) 186{ 187 struct vl_mpeg12_decoder *dec; 188 assert(buf); 189 190 dec = (struct vl_mpeg12_decoder*)buf->base.decoder; 191 assert(dec); 192 193 vl_idct_cleanup_buffer(&dec->idct_y, &buf->idct[0]); 194 vl_idct_cleanup_buffer(&dec->idct_c, &buf->idct[1]); 195 vl_idct_cleanup_buffer(&dec->idct_c, &buf->idct[2]); 196} 197 198static bool 199init_mc_buffer(struct vl_mpeg12_buffer *buf) 200{ 201 struct vl_mpeg12_decoder *dec; 202 203 assert(buf); 204 205 dec = (struct vl_mpeg12_decoder*)buf->base.decoder; 206 assert(dec); 207 208 if(!vl_mc_init_buffer(&dec->mc_y, &buf->mc[0])) 209 goto error_mc_y; 210 211 if(!vl_mc_init_buffer(&dec->mc_c, &buf->mc[1])) 212 goto error_mc_cb; 213 214 if(!vl_mc_init_buffer(&dec->mc_c, &buf->mc[2])) 215 goto error_mc_cr; 216 217 return true; 218 219error_mc_cr: 220 vl_mc_cleanup_buffer(&buf->mc[1]); 221 222error_mc_cb: 223 vl_mc_cleanup_buffer(&buf->mc[0]); 224 225error_mc_y: 226 return false; 227} 228 229static void 230cleanup_mc_buffer(struct vl_mpeg12_buffer *buf) 231{ 232 unsigned i; 233 234 assert(buf); 235 236 for (i = 0; i < VL_MAX_PLANES; ++i) 237 vl_mc_cleanup_buffer(&buf->mc[i]); 238} 239 240static void 241vl_mpeg12_buffer_destroy(struct pipe_video_decode_buffer *buffer) 242{ 243 struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer; 244 struct vl_mpeg12_decoder *dec; 245 246 assert(buf); 247 248 dec = (struct vl_mpeg12_decoder*)buf->base.decoder; 249 assert(dec); 250 251 cleanup_zscan_buffer(buf); 252 253 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) 254 cleanup_idct_buffer(buf); 255 256 cleanup_mc_buffer(buf); 257 258 vl_vb_cleanup(&buf->vertex_stream); 259 260 FREE(buf); 261} 262 263static void 264vl_mpeg12_buffer_map(struct pipe_video_decode_buffer *buffer) 265{ 266 struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer; 267 struct vl_mpeg12_decoder *dec; 268 269 struct pipe_sampler_view **sampler_views; 270 unsigned i; 271 272 assert(buf); 273 274 dec = (struct vl_mpeg12_decoder *)buf->base.decoder; 275 assert(dec); 276 277 vl_vb_map(&buf->vertex_stream, dec->pipe); 278 279 sampler_views = buf->zscan_source->get_sampler_view_planes(buf->zscan_source); 280 281 assert(sampler_views); 282 283 for (i = 0; i < VL_MAX_PLANES; ++i) { 284 struct pipe_resource *tex = sampler_views[i]->texture; 285 struct pipe_box rect = 286 { 287 0, 0, 0, 288 tex->width0, 289 tex->height0, 290 1 291 }; 292 293 buf->tex_transfer[i] = dec->pipe->get_transfer 294 ( 295 dec->pipe, tex, 296 0, PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD, 297 &rect 298 ); 299 300 buf->texels[i] = dec->pipe->transfer_map(dec->pipe, buf->tex_transfer[i]); 301 } 302 303 if (dec->base.entrypoint == PIPE_VIDEO_ENTRYPOINT_BITSTREAM) { 304 struct pipe_ycbcr_block *ycbcr_stream[VL_MAX_PLANES]; 305 struct pipe_motionvector *mv_stream[VL_MAX_REF_FRAMES]; 306 307 for (i = 0; i < VL_MAX_PLANES; ++i) 308 ycbcr_stream[i] = vl_vb_get_ycbcr_stream(&buf->vertex_stream, i); 309 310 for (i = 0; i < VL_MAX_REF_FRAMES; ++i) 311 mv_stream[i] = vl_vb_get_mv_stream(&buf->vertex_stream, i); 312 313 vl_mpg12_bs_set_buffers(&buf->bs, ycbcr_stream, buf->texels, mv_stream); 314 } else { 315 static const uint8_t dummy_quant[64] = { 316 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 317 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 318 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 319 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 320 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 321 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 322 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 323 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10 324 }; 325 326 for (i = 0; i < VL_MAX_PLANES; ++i) { 327 vl_zscan_set_layout(&buf->zscan[i], dec->zscan_linear); 328 vl_zscan_upload_quant(&buf->zscan[i], dummy_quant, dummy_quant); 329 } 330 } 331} 332 333static struct pipe_ycbcr_block * 334vl_mpeg12_buffer_get_ycbcr_stream(struct pipe_video_decode_buffer *buffer, int component) 335{ 336 struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer; 337 338 assert(buf); 339 340 return vl_vb_get_ycbcr_stream(&buf->vertex_stream, component); 341} 342 343static short * 344vl_mpeg12_buffer_get_ycbcr_buffer(struct pipe_video_decode_buffer *buffer, int component) 345{ 346 struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer; 347 348 assert(buf); 349 assert(component < VL_MAX_PLANES); 350 351 return buf->texels[component]; 352} 353 354static unsigned 355vl_mpeg12_buffer_get_mv_stream_stride(struct pipe_video_decode_buffer *buffer) 356{ 357 struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer; 358 359 assert(buf); 360 361 return vl_vb_get_mv_stream_stride(&buf->vertex_stream); 362} 363 364static struct pipe_motionvector * 365vl_mpeg12_buffer_get_mv_stream(struct pipe_video_decode_buffer *buffer, int ref_frame) 366{ 367 struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer; 368 369 assert(buf); 370 371 return vl_vb_get_mv_stream(&buf->vertex_stream, ref_frame); 372} 373 374static void 375vl_mpeg12_buffer_decode_bitstream(struct pipe_video_decode_buffer *buffer, 376 unsigned num_bytes, const void *data, 377 struct pipe_mpeg12_picture_desc *picture, 378 unsigned num_ycbcr_blocks[3]) 379{ 380 struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer; 381 uint8_t intra_quantizer_matrix[64]; 382 struct vl_mpeg12_decoder *dec; 383 unsigned i; 384 385 assert(buf); 386 387 dec = (struct vl_mpeg12_decoder *)buf->base.decoder; 388 assert(dec); 389 390 memcpy(intra_quantizer_matrix, picture->intra_quantizer_matrix, sizeof(intra_quantizer_matrix)); 391 intra_quantizer_matrix[0] = 1 << (7 - picture->intra_dc_precision); 392 393 for (i = 0; i < VL_MAX_PLANES; ++i) { 394 vl_zscan_set_layout(&buf->zscan[i], picture->alternate_scan ? dec->zscan_alternate : dec->zscan_normal); 395 vl_zscan_upload_quant(&buf->zscan[i], intra_quantizer_matrix, picture->non_intra_quantizer_matrix); 396 } 397 398 vl_mpg12_bs_decode(&buf->bs, num_bytes, data, picture, num_ycbcr_blocks); 399} 400 401static void 402vl_mpeg12_buffer_unmap(struct pipe_video_decode_buffer *buffer) 403{ 404 struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer*)buffer; 405 struct vl_mpeg12_decoder *dec; 406 unsigned i; 407 408 assert(buf); 409 410 dec = (struct vl_mpeg12_decoder *)buf->base.decoder; 411 assert(dec); 412 413 vl_vb_unmap(&buf->vertex_stream, dec->pipe); 414 415 for (i = 0; i < VL_MAX_PLANES; ++i) { 416 dec->pipe->transfer_unmap(dec->pipe, buf->tex_transfer[i]); 417 dec->pipe->transfer_destroy(dec->pipe, buf->tex_transfer[i]); 418 } 419} 420 421static void 422vl_mpeg12_destroy(struct pipe_video_decoder *decoder) 423{ 424 struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder*)decoder; 425 426 assert(decoder); 427 428 /* Asserted in softpipe_delete_fs_state() for some reason */ 429 dec->pipe->bind_vs_state(dec->pipe, NULL); 430 dec->pipe->bind_fs_state(dec->pipe, NULL); 431 432 dec->pipe->delete_depth_stencil_alpha_state(dec->pipe, dec->dsa); 433 dec->pipe->delete_sampler_state(dec->pipe, dec->sampler_ycbcr); 434 435 vl_mc_cleanup(&dec->mc_y); 436 vl_mc_cleanup(&dec->mc_c); 437 dec->mc_source->destroy(dec->mc_source); 438 439 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { 440 vl_idct_cleanup(&dec->idct_y); 441 vl_idct_cleanup(&dec->idct_c); 442 dec->idct_source->destroy(dec->idct_source); 443 } 444 445 vl_zscan_cleanup(&dec->zscan_y); 446 vl_zscan_cleanup(&dec->zscan_c); 447 448 dec->pipe->delete_vertex_elements_state(dec->pipe, dec->ves_ycbcr); 449 dec->pipe->delete_vertex_elements_state(dec->pipe, dec->ves_mv); 450 451 pipe_resource_reference(&dec->quads.buffer, NULL); 452 pipe_resource_reference(&dec->pos.buffer, NULL); 453 454 pipe_sampler_view_reference(&dec->zscan_linear, NULL); 455 pipe_sampler_view_reference(&dec->zscan_normal, NULL); 456 pipe_sampler_view_reference(&dec->zscan_alternate, NULL); 457 458 FREE(dec); 459} 460 461static struct pipe_video_decode_buffer * 462vl_mpeg12_create_buffer(struct pipe_video_decoder *decoder) 463{ 464 struct vl_mpeg12_decoder *dec = (struct vl_mpeg12_decoder*)decoder; 465 struct vl_mpeg12_buffer *buffer; 466 467 assert(dec); 468 469 buffer = CALLOC_STRUCT(vl_mpeg12_buffer); 470 if (buffer == NULL) 471 return NULL; 472 473 buffer->base.decoder = decoder; 474 buffer->base.destroy = vl_mpeg12_buffer_destroy; 475 buffer->base.map = vl_mpeg12_buffer_map; 476 buffer->base.get_ycbcr_stream = vl_mpeg12_buffer_get_ycbcr_stream; 477 buffer->base.get_ycbcr_buffer = vl_mpeg12_buffer_get_ycbcr_buffer; 478 buffer->base.get_mv_stream_stride = vl_mpeg12_buffer_get_mv_stream_stride; 479 buffer->base.get_mv_stream = vl_mpeg12_buffer_get_mv_stream; 480 buffer->base.decode_bitstream = vl_mpeg12_buffer_decode_bitstream; 481 buffer->base.unmap = vl_mpeg12_buffer_unmap; 482 483 if (!vl_vb_init(&buffer->vertex_stream, dec->pipe, 484 dec->base.width / MACROBLOCK_WIDTH, 485 dec->base.height / MACROBLOCK_HEIGHT)) 486 goto error_vertex_buffer; 487 488 if (!init_mc_buffer(buffer)) 489 goto error_mc; 490 491 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) 492 if (!init_idct_buffer(buffer)) 493 goto error_idct; 494 495 if (!init_zscan_buffer(buffer)) 496 goto error_zscan; 497 498 if (dec->base.entrypoint == PIPE_VIDEO_ENTRYPOINT_BITSTREAM) 499 vl_mpg12_bs_init(&buffer->bs, 500 dec->base.width / MACROBLOCK_WIDTH, 501 dec->base.height / MACROBLOCK_HEIGHT); 502 503 return &buffer->base; 504 505error_zscan: 506 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) 507 cleanup_idct_buffer(buffer); 508 509error_idct: 510 cleanup_mc_buffer(buffer); 511 512error_mc: 513 vl_vb_cleanup(&buffer->vertex_stream); 514 515error_vertex_buffer: 516 FREE(buffer); 517 return NULL; 518} 519 520static void 521vl_mpeg12_decoder_flush_buffer(struct pipe_video_decode_buffer *buffer, 522 unsigned num_ycbcr_blocks[3], 523 struct pipe_video_buffer *refs[2], 524 struct pipe_video_buffer *dst) 525{ 526 struct vl_mpeg12_buffer *buf = (struct vl_mpeg12_buffer *)buffer; 527 struct vl_mpeg12_decoder *dec; 528 529 struct pipe_sampler_view **sv[VL_MAX_REF_FRAMES], **mc_source_sv; 530 struct pipe_surface **surfaces; 531 532 struct pipe_vertex_buffer vb[3]; 533 534 unsigned i, j, component; 535 unsigned nr_components; 536 537 assert(buf); 538 539 dec = (struct vl_mpeg12_decoder *)buf->base.decoder; 540 assert(dec); 541 542 for (i = 0; i < 2; ++i) 543 sv[i] = refs[i] ? refs[i]->get_sampler_view_planes(refs[i]) : NULL; 544 545 vb[0] = dec->quads; 546 vb[1] = dec->pos; 547 548 surfaces = dst->get_surfaces(dst); 549 550 dec->pipe->bind_vertex_elements_state(dec->pipe, dec->ves_mv); 551 for (i = 0; i < VL_MAX_PLANES; ++i) { 552 if (!surfaces[i]) continue; 553 554 vl_mc_set_surface(&buf->mc[i], surfaces[i]); 555 556 for (j = 0; j < VL_MAX_REF_FRAMES; ++j) { 557 if (!sv[j]) continue; 558 559 vb[2] = vl_vb_get_mv(&buf->vertex_stream, j);; 560 dec->pipe->set_vertex_buffers(dec->pipe, 3, vb); 561 562 vl_mc_render_ref(&buf->mc[i], sv[j][i]); 563 } 564 } 565 566 vb[2] = dec->block_num; 567 568 dec->pipe->bind_vertex_elements_state(dec->pipe, dec->ves_ycbcr); 569 for (i = 0; i < VL_MAX_PLANES; ++i) { 570 if (!num_ycbcr_blocks[i]) continue; 571 572 vb[1] = vl_vb_get_ycbcr(&buf->vertex_stream, i); 573 dec->pipe->set_vertex_buffers(dec->pipe, 3, vb); 574 575 vl_zscan_render(&buf->zscan[i] , num_ycbcr_blocks[i]); 576 577 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) 578 vl_idct_flush(i == 0 ? &dec->idct_y : &dec->idct_c, &buf->idct[i], num_ycbcr_blocks[i]); 579 } 580 581 mc_source_sv = dec->mc_source->get_sampler_view_planes(dec->mc_source); 582 for (i = 0, component = 0; i < VL_MAX_PLANES; ++i) { 583 if (!surfaces[i]) continue; 584 585 nr_components = util_format_get_nr_components(surfaces[i]->texture->format); 586 for (j = 0; j < nr_components; ++j, ++component) { 587 if (!num_ycbcr_blocks[i]) continue; 588 589 vb[1] = vl_vb_get_ycbcr(&buf->vertex_stream, component); 590 dec->pipe->set_vertex_buffers(dec->pipe, 3, vb); 591 592 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) 593 vl_idct_prepare_stage2(component == 0 ? &dec->idct_y : &dec->idct_c, &buf->idct[component]); 594 else { 595 dec->pipe->set_fragment_sampler_views(dec->pipe, 1, &mc_source_sv[component]); 596 dec->pipe->bind_fragment_sampler_states(dec->pipe, 1, &dec->sampler_ycbcr); 597 } 598 vl_mc_render_ycbcr(&buf->mc[i], j, num_ycbcr_blocks[component]); 599 } 600 } 601} 602 603static bool 604init_pipe_state(struct vl_mpeg12_decoder *dec) 605{ 606 struct pipe_depth_stencil_alpha_state dsa; 607 struct pipe_sampler_state sampler; 608 unsigned i; 609 610 assert(dec); 611 612 memset(&dsa, 0, sizeof dsa); 613 dsa.depth.enabled = 0; 614 dsa.depth.writemask = 0; 615 dsa.depth.func = PIPE_FUNC_ALWAYS; 616 for (i = 0; i < 2; ++i) { 617 dsa.stencil[i].enabled = 0; 618 dsa.stencil[i].func = PIPE_FUNC_ALWAYS; 619 dsa.stencil[i].fail_op = PIPE_STENCIL_OP_KEEP; 620 dsa.stencil[i].zpass_op = PIPE_STENCIL_OP_KEEP; 621 dsa.stencil[i].zfail_op = PIPE_STENCIL_OP_KEEP; 622 dsa.stencil[i].valuemask = 0; 623 dsa.stencil[i].writemask = 0; 624 } 625 dsa.alpha.enabled = 0; 626 dsa.alpha.func = PIPE_FUNC_ALWAYS; 627 dsa.alpha.ref_value = 0; 628 dec->dsa = dec->pipe->create_depth_stencil_alpha_state(dec->pipe, &dsa); 629 dec->pipe->bind_depth_stencil_alpha_state(dec->pipe, dec->dsa); 630 631 memset(&sampler, 0, sizeof(sampler)); 632 sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 633 sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; 634 sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_BORDER; 635 sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; 636 sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; 637 sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; 638 sampler.compare_mode = PIPE_TEX_COMPARE_NONE; 639 sampler.compare_func = PIPE_FUNC_ALWAYS; 640 sampler.normalized_coords = 1; 641 dec->sampler_ycbcr = dec->pipe->create_sampler_state(dec->pipe, &sampler); 642 if (!dec->sampler_ycbcr) 643 return false; 644 645 return true; 646} 647 648static const struct format_config* 649find_format_config(struct vl_mpeg12_decoder *dec, const struct format_config configs[], unsigned num_configs) 650{ 651 struct pipe_screen *screen; 652 unsigned i; 653 654 assert(dec); 655 656 screen = dec->pipe->screen; 657 658 for (i = 0; i < num_configs; ++i) { 659 if (!screen->is_format_supported(screen, configs[i].zscan_source_format, PIPE_TEXTURE_2D, 660 1, PIPE_BIND_SAMPLER_VIEW)) 661 continue; 662 663 if (configs[i].idct_source_format != PIPE_FORMAT_NONE) { 664 if (!screen->is_format_supported(screen, configs[i].idct_source_format, PIPE_TEXTURE_2D, 665 1, PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET)) 666 continue; 667 668 if (!screen->is_format_supported(screen, configs[i].mc_source_format, PIPE_TEXTURE_3D, 669 1, PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET)) 670 continue; 671 } else { 672 if (!screen->is_format_supported(screen, configs[i].mc_source_format, PIPE_TEXTURE_2D, 673 1, PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET)) 674 continue; 675 } 676 return &configs[i]; 677 } 678 679 return NULL; 680} 681 682static bool 683init_zscan(struct vl_mpeg12_decoder *dec, const struct format_config* format_config) 684{ 685 unsigned num_channels; 686 687 assert(dec); 688 689 dec->zscan_source_format = format_config->zscan_source_format; 690 dec->zscan_linear = vl_zscan_layout(dec->pipe, vl_zscan_linear, dec->blocks_per_line); 691 dec->zscan_normal = vl_zscan_layout(dec->pipe, vl_zscan_normal, dec->blocks_per_line); 692 dec->zscan_alternate = vl_zscan_layout(dec->pipe, vl_zscan_alternate, dec->blocks_per_line); 693 694 num_channels = dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT ? 4 : 1; 695 696 if (!vl_zscan_init(&dec->zscan_y, dec->pipe, dec->base.width, dec->base.height, 697 dec->blocks_per_line, dec->num_blocks, num_channels)) 698 return false; 699 700 if (!vl_zscan_init(&dec->zscan_c, dec->pipe, dec->chroma_width, dec->chroma_height, 701 dec->blocks_per_line, dec->num_blocks, num_channels)) 702 return false; 703 704 return true; 705} 706 707static bool 708init_idct(struct vl_mpeg12_decoder *dec, const struct format_config* format_config) 709{ 710 unsigned nr_of_idct_render_targets, max_inst; 711 enum pipe_format formats[3]; 712 713 struct pipe_sampler_view *matrix = NULL; 714 715 nr_of_idct_render_targets = dec->pipe->screen->get_param(dec->pipe->screen, PIPE_CAP_MAX_RENDER_TARGETS); 716 max_inst = dec->pipe->screen->get_shader_param(dec->pipe->screen, PIPE_SHADER_FRAGMENT, PIPE_SHADER_CAP_MAX_INSTRUCTIONS); 717 718 // Just assume we need 32 inst per render target, not 100% true, but should work in most cases 719 if (nr_of_idct_render_targets >= 4 && max_inst >= 32*4) 720 // more than 4 render targets usually doesn't makes any seens 721 nr_of_idct_render_targets = 4; 722 else 723 nr_of_idct_render_targets = 1; 724 725 formats[0] = formats[1] = formats[2] = format_config->idct_source_format; 726 dec->idct_source = vl_video_buffer_init(dec->base.context, dec->pipe, 727 dec->base.width / 4, dec->base.height, 1, 728 dec->base.chroma_format, 729 formats, PIPE_USAGE_STATIC); 730 if (!dec->idct_source) 731 goto error_idct_source; 732 733 formats[0] = formats[1] = formats[2] = format_config->mc_source_format; 734 dec->mc_source = vl_video_buffer_init(dec->base.context, dec->pipe, 735 dec->base.width / nr_of_idct_render_targets, 736 dec->base.height / 4, nr_of_idct_render_targets, 737 dec->base.chroma_format, 738 formats, PIPE_USAGE_STATIC); 739 740 if (!dec->mc_source) 741 goto error_mc_source; 742 743 if (!(matrix = vl_idct_upload_matrix(dec->pipe, format_config->idct_scale))) 744 goto error_matrix; 745 746 if (!vl_idct_init(&dec->idct_y, dec->pipe, dec->base.width, dec->base.height, 747 nr_of_idct_render_targets, matrix, matrix)) 748 goto error_y; 749 750 if(!vl_idct_init(&dec->idct_c, dec->pipe, dec->chroma_width, dec->chroma_height, 751 nr_of_idct_render_targets, matrix, matrix)) 752 goto error_c; 753 754 pipe_sampler_view_reference(&matrix, NULL); 755 756 return true; 757 758error_c: 759 vl_idct_cleanup(&dec->idct_y); 760 761error_y: 762 pipe_sampler_view_reference(&matrix, NULL); 763 764error_matrix: 765 dec->mc_source->destroy(dec->mc_source); 766 767error_mc_source: 768 dec->idct_source->destroy(dec->idct_source); 769 770error_idct_source: 771 return false; 772} 773 774static bool 775init_mc_source_widthout_idct(struct vl_mpeg12_decoder *dec, const struct format_config* format_config) 776{ 777 enum pipe_format formats[3]; 778 779 formats[0] = formats[1] = formats[2] = format_config->mc_source_format; 780 dec->mc_source = vl_video_buffer_init(dec->base.context, dec->pipe, 781 dec->base.width, dec->base.height, 1, 782 dec->base.chroma_format, 783 formats, PIPE_USAGE_STATIC); 784 785 return dec->mc_source != NULL; 786} 787 788static void 789mc_vert_shader_callback(void *priv, struct vl_mc *mc, 790 struct ureg_program *shader, 791 unsigned first_output, 792 struct ureg_dst tex) 793{ 794 struct vl_mpeg12_decoder *dec = priv; 795 struct ureg_dst o_vtex; 796 797 assert(priv && mc); 798 assert(shader); 799 800 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { 801 struct vl_idct *idct = mc == &dec->mc_y ? &dec->idct_y : &dec->idct_c; 802 vl_idct_stage2_vert_shader(idct, shader, first_output, tex); 803 } else { 804 o_vtex = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output); 805 ureg_MOV(shader, ureg_writemask(o_vtex, TGSI_WRITEMASK_XY), ureg_src(tex)); 806 } 807} 808 809static void 810mc_frag_shader_callback(void *priv, struct vl_mc *mc, 811 struct ureg_program *shader, 812 unsigned first_input, 813 struct ureg_dst dst) 814{ 815 struct vl_mpeg12_decoder *dec = priv; 816 struct ureg_src src, sampler; 817 818 assert(priv && mc); 819 assert(shader); 820 821 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { 822 struct vl_idct *idct = mc == &dec->mc_y ? &dec->idct_y : &dec->idct_c; 823 vl_idct_stage2_frag_shader(idct, shader, first_input, dst); 824 } else { 825 src = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, first_input, TGSI_INTERPOLATE_LINEAR); 826 sampler = ureg_DECL_sampler(shader, 0); 827 ureg_TEX(shader, dst, TGSI_TEXTURE_2D, src, sampler); 828 } 829} 830 831struct pipe_video_decoder * 832vl_create_mpeg12_decoder(struct pipe_video_context *context, 833 struct pipe_context *pipe, 834 enum pipe_video_profile profile, 835 enum pipe_video_entrypoint entrypoint, 836 enum pipe_video_chroma_format chroma_format, 837 unsigned width, unsigned height) 838{ 839 const unsigned block_size_pixels = BLOCK_WIDTH * BLOCK_HEIGHT; 840 const struct format_config *format_config; 841 struct vl_mpeg12_decoder *dec; 842 843 assert(u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG12); 844 845 dec = CALLOC_STRUCT(vl_mpeg12_decoder); 846 847 if (!dec) 848 return NULL; 849 850 dec->base.context = context; 851 dec->base.profile = profile; 852 dec->base.entrypoint = entrypoint; 853 dec->base.chroma_format = chroma_format; 854 dec->base.width = width; 855 dec->base.height = height; 856 857 dec->base.destroy = vl_mpeg12_destroy; 858 dec->base.create_buffer = vl_mpeg12_create_buffer; 859 dec->base.flush_buffer = vl_mpeg12_decoder_flush_buffer; 860 861 dec->pipe = pipe; 862 863 dec->blocks_per_line = MAX2(util_next_power_of_two(dec->base.width) / block_size_pixels, 4); 864 dec->num_blocks = (dec->base.width * dec->base.height) / block_size_pixels; 865 866 dec->quads = vl_vb_upload_quads(dec->pipe); 867 dec->pos = vl_vb_upload_pos( 868 dec->pipe, 869 dec->base.width / MACROBLOCK_WIDTH, 870 dec->base.height / MACROBLOCK_HEIGHT 871 ); 872 dec->block_num = vl_vb_upload_block_num(dec->pipe, dec->num_blocks); 873 874 dec->ves_ycbcr = vl_vb_get_ves_ycbcr(dec->pipe); 875 dec->ves_mv = vl_vb_get_ves_mv(dec->pipe); 876 877 /* TODO: Implement 422, 444 */ 878 assert(dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420); 879 880 if (dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) { 881 dec->chroma_width = dec->base.width / 2; 882 dec->chroma_height = dec->base.height / 2; 883 } else if (dec->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) { 884 dec->chroma_width = dec->base.width; 885 dec->chroma_height = dec->base.height / 2; 886 } else { 887 dec->chroma_width = dec->base.width; 888 dec->chroma_height = dec->base.height; 889 } 890 891 switch (entrypoint) { 892 case PIPE_VIDEO_ENTRYPOINT_BITSTREAM: 893 format_config = find_format_config(dec, bitstream_format_config, num_bitstream_format_configs); 894 break; 895 896 case PIPE_VIDEO_ENTRYPOINT_IDCT: 897 format_config = find_format_config(dec, idct_format_config, num_idct_format_configs); 898 break; 899 900 case PIPE_VIDEO_ENTRYPOINT_MC: 901 format_config = find_format_config(dec, mc_format_config, num_mc_format_configs); 902 break; 903 904 default: 905 assert(0); 906 return NULL; 907 } 908 909 if (!format_config) 910 return NULL; 911 912 if (!init_zscan(dec, format_config)) 913 goto error_zscan; 914 915 if (entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { 916 if (!init_idct(dec, format_config)) 917 goto error_sources; 918 } else { 919 if (!init_mc_source_widthout_idct(dec, format_config)) 920 goto error_sources; 921 } 922 923 if (!vl_mc_init(&dec->mc_y, dec->pipe, dec->base.width, dec->base.height, MACROBLOCK_HEIGHT, format_config->mc_scale, 924 mc_vert_shader_callback, mc_frag_shader_callback, dec)) 925 goto error_mc_y; 926 927 // TODO 928 if (!vl_mc_init(&dec->mc_c, dec->pipe, dec->base.width, dec->base.height, BLOCK_HEIGHT, format_config->mc_scale, 929 mc_vert_shader_callback, mc_frag_shader_callback, dec)) 930 goto error_mc_c; 931 932 if (!init_pipe_state(dec)) 933 goto error_pipe_state; 934 935 return &dec->base; 936 937error_pipe_state: 938 vl_mc_cleanup(&dec->mc_c); 939 940error_mc_c: 941 vl_mc_cleanup(&dec->mc_y); 942 943error_mc_y: 944 if (entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT) { 945 vl_idct_cleanup(&dec->idct_y); 946 vl_idct_cleanup(&dec->idct_c); 947 dec->idct_source->destroy(dec->idct_source); 948 } 949 dec->mc_source->destroy(dec->mc_source); 950 951error_sources: 952 vl_zscan_cleanup(&dec->zscan_y); 953 vl_zscan_cleanup(&dec->zscan_c); 954 955error_zscan: 956 FREE(dec); 957 return NULL; 958} 959