1/* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 12#include <stdlib.h> 13#include <string.h> 14#include "vp8_rtcd.h" 15#include "vpx/vpx_decoder.h" 16#include "vpx/vp8dx.h" 17#include "vpx/internal/vpx_codec_internal.h" 18#include "vpx_version.h" 19#include "common/onyxd.h" 20#include "decoder/onyxd_int.h" 21#include "common/alloccommon.h" 22#include "vpx_mem/vpx_mem.h" 23#if CONFIG_ERROR_CONCEALMENT 24#include "decoder/error_concealment.h" 25#endif 26#include "decoder/decoderthreading.h" 27 28#define VP8_CAP_POSTPROC (CONFIG_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0) 29#define VP8_CAP_ERROR_CONCEALMENT (CONFIG_ERROR_CONCEALMENT ? \ 30 VPX_CODEC_CAP_ERROR_CONCEALMENT : 0) 31 32typedef vpx_codec_stream_info_t vp8_stream_info_t; 33 34/* Structures for handling memory allocations */ 35typedef enum 36{ 37 VP8_SEG_ALG_PRIV = 256, 38 VP8_SEG_MAX 39} mem_seg_id_t; 40#define NELEMENTS(x) ((int)(sizeof(x)/sizeof(x[0]))) 41 42static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t); 43 44static const mem_req_t vp8_mem_req_segs[] = 45{ 46 {VP8_SEG_ALG_PRIV, 0, 8, VPX_CODEC_MEM_ZERO, vp8_priv_sz}, 47 {VP8_SEG_MAX, 0, 0, 0, NULL} 48}; 49 50struct vpx_codec_alg_priv 51{ 52 vpx_codec_priv_t base; 53 vpx_codec_mmap_t mmaps[NELEMENTS(vp8_mem_req_segs)-1]; 54 vpx_codec_dec_cfg_t cfg; 55 vp8_stream_info_t si; 56 int defer_alloc; 57 int decoder_init; 58 int postproc_cfg_set; 59 vp8_postproc_cfg_t postproc_cfg; 60#if CONFIG_POSTPROC_VISUALIZER 61 unsigned int dbg_postproc_flag; 62 int dbg_color_ref_frame_flag; 63 int dbg_color_mb_modes_flag; 64 int dbg_color_b_modes_flag; 65 int dbg_display_mv_flag; 66#endif 67 vp8_decrypt_cb *decrypt_cb; 68 void *decrypt_state; 69 vpx_image_t img; 70 int img_setup; 71 struct frame_buffers yv12_frame_buffers; 72 void *user_priv; 73 FRAGMENT_DATA fragments; 74}; 75 76static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t flags) 77{ 78 /* Although this declaration is constant, we can't use it in the requested 79 * segments list because we want to define the requested segments list 80 * before defining the private type (so that the number of memory maps is 81 * known) 82 */ 83 (void)si; 84 (void)flags; 85 return sizeof(vpx_codec_alg_priv_t); 86} 87 88static void vp8_init_ctx(vpx_codec_ctx_t *ctx, const vpx_codec_mmap_t *mmap) 89{ 90 int i; 91 92 ctx->priv = mmap->base; 93 ctx->priv->sz = sizeof(*ctx->priv); 94 ctx->priv->iface = ctx->iface; 95 ctx->priv->alg_priv = mmap->base; 96 97 for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++) 98 ctx->priv->alg_priv->mmaps[i].id = vp8_mem_req_segs[i].id; 99 100 ctx->priv->alg_priv->mmaps[0] = *mmap; 101 ctx->priv->alg_priv->si.sz = sizeof(ctx->priv->alg_priv->si); 102 ctx->priv->alg_priv->decrypt_cb = NULL; 103 ctx->priv->alg_priv->decrypt_state = NULL; 104 ctx->priv->init_flags = ctx->init_flags; 105 106 if (ctx->config.dec) 107 { 108 /* Update the reference to the config structure to an internal copy. */ 109 ctx->priv->alg_priv->cfg = *ctx->config.dec; 110 ctx->config.dec = &ctx->priv->alg_priv->cfg; 111 } 112} 113 114static void vp8_finalize_mmaps(vpx_codec_alg_priv_t *ctx) 115{ 116 (void)ctx; 117 /* nothing to clean up */ 118} 119 120static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx, 121 vpx_codec_priv_enc_mr_cfg_t *data) 122{ 123 vpx_codec_err_t res = VPX_CODEC_OK; 124 (void) data; 125 126 vp8_rtcd(); 127 128 /* This function only allocates space for the vpx_codec_alg_priv_t 129 * structure. More memory may be required at the time the stream 130 * information becomes known. 131 */ 132 if (!ctx->priv) 133 { 134 vpx_codec_mmap_t mmap; 135 136 mmap.id = vp8_mem_req_segs[0].id; 137 mmap.sz = sizeof(vpx_codec_alg_priv_t); 138 mmap.align = vp8_mem_req_segs[0].align; 139 mmap.flags = vp8_mem_req_segs[0].flags; 140 141 res = vpx_mmap_alloc(&mmap); 142 if (res != VPX_CODEC_OK) return res; 143 144 vp8_init_ctx(ctx, &mmap); 145 146 /* initialize number of fragments to zero */ 147 ctx->priv->alg_priv->fragments.count = 0; 148 /* is input fragments enabled? */ 149 ctx->priv->alg_priv->fragments.enabled = 150 (ctx->priv->alg_priv->base.init_flags & 151 VPX_CODEC_USE_INPUT_FRAGMENTS); 152 153 ctx->priv->alg_priv->defer_alloc = 1; 154 /*post processing level initialized to do nothing */ 155 } 156 157 ctx->priv->alg_priv->yv12_frame_buffers.use_frame_threads = 158 (ctx->priv->alg_priv->base.init_flags & 159 VPX_CODEC_USE_FRAME_THREADING); 160 161 /* for now, disable frame threading */ 162 ctx->priv->alg_priv->yv12_frame_buffers.use_frame_threads = 0; 163 164 if(ctx->priv->alg_priv->yv12_frame_buffers.use_frame_threads && 165 (( ctx->priv->alg_priv->base.init_flags & 166 VPX_CODEC_USE_ERROR_CONCEALMENT) 167 || ( ctx->priv->alg_priv->base.init_flags & 168 VPX_CODEC_USE_INPUT_FRAGMENTS) ) ) 169 { 170 /* row-based threading, error concealment, and input fragments will 171 * not be supported when using frame-based threading */ 172 res = VPX_CODEC_INVALID_PARAM; 173 } 174 175 return res; 176} 177 178static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx) 179{ 180 int i; 181 182 vp8_remove_decoder_instances(&ctx->yv12_frame_buffers); 183 184 for (i = NELEMENTS(ctx->mmaps) - 1; i >= 0; i--) 185 { 186 if (ctx->mmaps[i].dtor) 187 ctx->mmaps[i].dtor(&ctx->mmaps[i]); 188 } 189 190 return VPX_CODEC_OK; 191} 192 193static vpx_codec_err_t vp8_peek_si_internal(const uint8_t *data, 194 unsigned int data_sz, 195 vpx_codec_stream_info_t *si, 196 vp8_decrypt_cb *decrypt_cb, 197 void *decrypt_state) 198{ 199 vpx_codec_err_t res = VPX_CODEC_OK; 200 201 if(data + data_sz <= data) 202 { 203 res = VPX_CODEC_INVALID_PARAM; 204 } 205 else 206 { 207 /* Parse uncompresssed part of key frame header. 208 * 3 bytes:- including version, frame type and an offset 209 * 3 bytes:- sync code (0x9d, 0x01, 0x2a) 210 * 4 bytes:- including image width and height in the lowest 14 bits 211 * of each 2-byte value. 212 */ 213 uint8_t clear_buffer[10]; 214 const uint8_t *clear = data; 215 if (decrypt_cb) 216 { 217 int n = data_sz > 10 ? 10 : data_sz; 218 decrypt_cb(decrypt_state, data, clear_buffer, n); 219 clear = clear_buffer; 220 } 221 si->is_kf = 0; 222 223 if (data_sz >= 10 && !(clear[0] & 0x01)) /* I-Frame */ 224 { 225 si->is_kf = 1; 226 227 /* vet via sync code */ 228 if (clear[3] != 0x9d || clear[4] != 0x01 || clear[5] != 0x2a) 229 res = VPX_CODEC_UNSUP_BITSTREAM; 230 231 si->w = (clear[6] | (clear[7] << 8)) & 0x3fff; 232 si->h = (clear[8] | (clear[9] << 8)) & 0x3fff; 233 234 /*printf("w=%d, h=%d\n", si->w, si->h);*/ 235 if (!(si->h | si->w)) 236 res = VPX_CODEC_UNSUP_BITSTREAM; 237 } 238 else 239 { 240 res = VPX_CODEC_UNSUP_BITSTREAM; 241 } 242 } 243 244 return res; 245} 246 247static vpx_codec_err_t vp8_peek_si(const uint8_t *data, 248 unsigned int data_sz, 249 vpx_codec_stream_info_t *si) { 250 return vp8_peek_si_internal(data, data_sz, si, NULL, NULL); 251} 252 253static vpx_codec_err_t vp8_get_si(vpx_codec_alg_priv_t *ctx, 254 vpx_codec_stream_info_t *si) 255{ 256 257 unsigned int sz; 258 259 if (si->sz >= sizeof(vp8_stream_info_t)) 260 sz = sizeof(vp8_stream_info_t); 261 else 262 sz = sizeof(vpx_codec_stream_info_t); 263 264 memcpy(si, &ctx->si, sz); 265 si->sz = sz; 266 267 return VPX_CODEC_OK; 268} 269 270 271static vpx_codec_err_t 272update_error_state(vpx_codec_alg_priv_t *ctx, 273 const struct vpx_internal_error_info *error) 274{ 275 vpx_codec_err_t res; 276 277 if ((res = error->error_code)) 278 ctx->base.err_detail = error->has_detail 279 ? error->detail 280 : NULL; 281 282 return res; 283} 284 285static void yuvconfig2image(vpx_image_t *img, 286 const YV12_BUFFER_CONFIG *yv12, 287 void *user_priv) 288{ 289 /** vpx_img_wrap() doesn't allow specifying independent strides for 290 * the Y, U, and V planes, nor other alignment adjustments that 291 * might be representable by a YV12_BUFFER_CONFIG, so we just 292 * initialize all the fields.*/ 293 img->fmt = VPX_IMG_FMT_I420; 294 img->w = yv12->y_stride; 295 img->h = (yv12->y_height + 2 * VP8BORDERINPIXELS + 15) & ~15; 296 img->d_w = yv12->y_width; 297 img->d_h = yv12->y_height; 298 img->x_chroma_shift = 1; 299 img->y_chroma_shift = 1; 300 img->planes[VPX_PLANE_Y] = yv12->y_buffer; 301 img->planes[VPX_PLANE_U] = yv12->u_buffer; 302 img->planes[VPX_PLANE_V] = yv12->v_buffer; 303 img->planes[VPX_PLANE_ALPHA] = NULL; 304 img->stride[VPX_PLANE_Y] = yv12->y_stride; 305 img->stride[VPX_PLANE_U] = yv12->uv_stride; 306 img->stride[VPX_PLANE_V] = yv12->uv_stride; 307 img->stride[VPX_PLANE_ALPHA] = yv12->y_stride; 308 img->bps = 12; 309 img->user_priv = user_priv; 310 img->img_data = yv12->buffer_alloc; 311 img->img_data_owner = 0; 312 img->self_allocd = 0; 313} 314 315static int 316update_fragments(vpx_codec_alg_priv_t *ctx, 317 const uint8_t *data, 318 unsigned int data_sz, 319 vpx_codec_err_t *res) 320{ 321 *res = VPX_CODEC_OK; 322 323 if (ctx->fragments.count == 0) 324 { 325 /* New frame, reset fragment pointers and sizes */ 326 vpx_memset((void*)ctx->fragments.ptrs, 0, sizeof(ctx->fragments.ptrs)); 327 vpx_memset(ctx->fragments.sizes, 0, sizeof(ctx->fragments.sizes)); 328 } 329 if (ctx->fragments.enabled && !(data == NULL && data_sz == 0)) 330 { 331 /* Store a pointer to this fragment and return. We haven't 332 * received the complete frame yet, so we will wait with decoding. 333 */ 334 ctx->fragments.ptrs[ctx->fragments.count] = data; 335 ctx->fragments.sizes[ctx->fragments.count] = data_sz; 336 ctx->fragments.count++; 337 if (ctx->fragments.count > (1 << EIGHT_PARTITION) + 1) 338 { 339 ctx->fragments.count = 0; 340 *res = VPX_CODEC_INVALID_PARAM; 341 return -1; 342 } 343 return 0; 344 } 345 346 if (!ctx->fragments.enabled) 347 { 348 ctx->fragments.ptrs[0] = data; 349 ctx->fragments.sizes[0] = data_sz; 350 ctx->fragments.count = 1; 351 } 352 353 return 1; 354} 355 356static vpx_codec_err_t vp8_decode(vpx_codec_alg_priv_t *ctx, 357 const uint8_t *data, 358 unsigned int data_sz, 359 void *user_priv, 360 long deadline) 361{ 362 vpx_codec_err_t res = VPX_CODEC_OK; 363 unsigned int resolution_change = 0; 364 unsigned int w, h; 365 366 367 /* Update the input fragment data */ 368 if(update_fragments(ctx, data, data_sz, &res) <= 0) 369 return res; 370 371 /* Determine the stream parameters. Note that we rely on peek_si to 372 * validate that we have a buffer that does not wrap around the top 373 * of the heap. 374 */ 375 w = ctx->si.w; 376 h = ctx->si.h; 377 378 res = vp8_peek_si_internal(ctx->fragments.ptrs[0], ctx->fragments.sizes[0], 379 &ctx->si, ctx->decrypt_cb, ctx->decrypt_state); 380 381 if((res == VPX_CODEC_UNSUP_BITSTREAM) && !ctx->si.is_kf) 382 { 383 /* the peek function returns an error for non keyframes, however for 384 * this case, it is not an error */ 385 res = VPX_CODEC_OK; 386 } 387 388 if(!ctx->decoder_init && !ctx->si.is_kf) 389 res = VPX_CODEC_UNSUP_BITSTREAM; 390 391 if ((ctx->si.h != h) || (ctx->si.w != w)) 392 resolution_change = 1; 393 394 /* Perform deferred allocations, if required */ 395 if (!res && ctx->defer_alloc) 396 { 397 int i; 398 399 for (i = 1; !res && i < NELEMENTS(ctx->mmaps); i++) 400 { 401 vpx_codec_dec_cfg_t cfg; 402 403 cfg.w = ctx->si.w; 404 cfg.h = ctx->si.h; 405 ctx->mmaps[i].id = vp8_mem_req_segs[i].id; 406 ctx->mmaps[i].sz = vp8_mem_req_segs[i].sz; 407 ctx->mmaps[i].align = vp8_mem_req_segs[i].align; 408 ctx->mmaps[i].flags = vp8_mem_req_segs[i].flags; 409 410 if (!ctx->mmaps[i].sz) 411 ctx->mmaps[i].sz = vp8_mem_req_segs[i].calc_sz(&cfg, 412 ctx->base.init_flags); 413 414 res = vpx_mmap_alloc(&ctx->mmaps[i]); 415 } 416 417 if (!res) 418 vp8_finalize_mmaps(ctx); 419 420 ctx->defer_alloc = 0; 421 } 422 423 /* Initialize the decoder instance on the first frame*/ 424 if (!res && !ctx->decoder_init) 425 { 426 res = vpx_validate_mmaps(&ctx->si, ctx->mmaps, 427 vp8_mem_req_segs, NELEMENTS(vp8_mem_req_segs), 428 ctx->base.init_flags); 429 430 if (!res) 431 { 432 VP8D_CONFIG oxcf; 433 434 oxcf.Width = ctx->si.w; 435 oxcf.Height = ctx->si.h; 436 oxcf.Version = 9; 437 oxcf.postprocess = 0; 438 oxcf.max_threads = ctx->cfg.threads; 439 oxcf.error_concealment = 440 (ctx->base.init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT); 441 442 /* If postprocessing was enabled by the application and a 443 * configuration has not been provided, default it. 444 */ 445 if (!ctx->postproc_cfg_set 446 && (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)) 447 { 448 ctx->postproc_cfg.post_proc_flag = 449 VP8_DEBLOCK | VP8_DEMACROBLOCK | VP8_MFQE; 450 ctx->postproc_cfg.deblocking_level = 4; 451 ctx->postproc_cfg.noise_level = 0; 452 } 453 454 res = vp8_create_decoder_instances(&ctx->yv12_frame_buffers, &oxcf); 455 ctx->yv12_frame_buffers.pbi[0]->decrypt_cb = ctx->decrypt_cb; 456 ctx->yv12_frame_buffers.pbi[0]->decrypt_state = ctx->decrypt_state; 457 } 458 459 ctx->decoder_init = 1; 460 } 461 462 if (!res) 463 { 464 VP8D_COMP *pbi = ctx->yv12_frame_buffers.pbi[0]; 465 if(resolution_change) 466 { 467 VP8_COMMON *const pc = & pbi->common; 468 MACROBLOCKD *const xd = & pbi->mb; 469#if CONFIG_MULTITHREAD 470 int i; 471#endif 472 pc->Width = ctx->si.w; 473 pc->Height = ctx->si.h; 474 { 475 int prev_mb_rows = pc->mb_rows; 476 477 if (setjmp(pbi->common.error.jmp)) 478 { 479 pbi->common.error.setjmp = 0; 480 /* same return value as used in vp8dx_receive_compressed_data */ 481 return -1; 482 } 483 484 pbi->common.error.setjmp = 1; 485 486 if (pc->Width <= 0) 487 { 488 pc->Width = w; 489 vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME, 490 "Invalid frame width"); 491 } 492 493 if (pc->Height <= 0) 494 { 495 pc->Height = h; 496 vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME, 497 "Invalid frame height"); 498 } 499 500 if (vp8_alloc_frame_buffers(pc, pc->Width, pc->Height)) 501 vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR, 502 "Failed to allocate frame buffers"); 503 504 xd->pre = pc->yv12_fb[pc->lst_fb_idx]; 505 xd->dst = pc->yv12_fb[pc->new_fb_idx]; 506 507#if CONFIG_MULTITHREAD 508 for (i = 0; i < pbi->allocated_decoding_thread_count; i++) 509 { 510 pbi->mb_row_di[i].mbd.dst = pc->yv12_fb[pc->new_fb_idx]; 511 vp8_build_block_doffsets(&pbi->mb_row_di[i].mbd); 512 } 513#endif 514 vp8_build_block_doffsets(&pbi->mb); 515 516 /* allocate memory for last frame MODE_INFO array */ 517#if CONFIG_ERROR_CONCEALMENT 518 519 if (pbi->ec_enabled) 520 { 521 /* old prev_mip was released by vp8_de_alloc_frame_buffers() 522 * called in vp8_alloc_frame_buffers() */ 523 pc->prev_mip = vpx_calloc( 524 (pc->mb_cols + 1) * (pc->mb_rows + 1), 525 sizeof(MODE_INFO)); 526 527 if (!pc->prev_mip) 528 { 529 vp8_de_alloc_frame_buffers(pc); 530 vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR, 531 "Failed to allocate" 532 "last frame MODE_INFO array"); 533 } 534 535 pc->prev_mi = pc->prev_mip + pc->mode_info_stride + 1; 536 537 if (vp8_alloc_overlap_lists(pbi)) 538 vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR, 539 "Failed to allocate overlap lists " 540 "for error concealment"); 541 } 542 543#endif 544 545#if CONFIG_MULTITHREAD 546 if (pbi->b_multithreaded_rd) 547 vp8mt_alloc_temp_buffers(pbi, pc->Width, prev_mb_rows); 548#else 549 (void)prev_mb_rows; 550#endif 551 } 552 553 pbi->common.error.setjmp = 0; 554 555 /* required to get past the first get_free_fb() call */ 556 pbi->common.fb_idx_ref_cnt[0] = 0; 557 } 558 559 /* update the pbi fragment data */ 560 pbi->fragments = ctx->fragments; 561 562 ctx->user_priv = user_priv; 563 if (vp8dx_receive_compressed_data(pbi, data_sz, data, deadline)) 564 { 565 res = update_error_state(ctx, &pbi->common.error); 566 } 567 568 /* get ready for the next series of fragments */ 569 ctx->fragments.count = 0; 570 } 571 572 return res; 573} 574 575static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t *ctx, 576 vpx_codec_iter_t *iter) 577{ 578 vpx_image_t *img = NULL; 579 580 /* iter acts as a flip flop, so an image is only returned on the first 581 * call to get_frame. 582 */ 583 if (!(*iter) && ctx->yv12_frame_buffers.pbi[0]) 584 { 585 YV12_BUFFER_CONFIG sd; 586 int64_t time_stamp = 0, time_end_stamp = 0; 587 vp8_ppflags_t flags = {0}; 588 589 if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC) 590 { 591 flags.post_proc_flag= ctx->postproc_cfg.post_proc_flag 592#if CONFIG_POSTPROC_VISUALIZER 593 594 | ((ctx->dbg_color_ref_frame_flag != 0) ? VP8D_DEBUG_CLR_FRM_REF_BLKS : 0) 595 | ((ctx->dbg_color_mb_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0) 596 | ((ctx->dbg_color_b_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0) 597 | ((ctx->dbg_display_mv_flag != 0) ? VP8D_DEBUG_DRAW_MV : 0) 598#endif 599 ; 600 flags.deblocking_level = ctx->postproc_cfg.deblocking_level; 601 flags.noise_level = ctx->postproc_cfg.noise_level; 602#if CONFIG_POSTPROC_VISUALIZER 603 flags.display_ref_frame_flag= ctx->dbg_color_ref_frame_flag; 604 flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag; 605 flags.display_b_modes_flag = ctx->dbg_color_b_modes_flag; 606 flags.display_mv_flag = ctx->dbg_display_mv_flag; 607#endif 608 } 609 610 if (0 == vp8dx_get_raw_frame(ctx->yv12_frame_buffers.pbi[0], &sd, 611 &time_stamp, &time_end_stamp, &flags)) 612 { 613 yuvconfig2image(&ctx->img, &sd, ctx->user_priv); 614 615 img = &ctx->img; 616 *iter = img; 617 } 618 } 619 620 return img; 621} 622 623 624static 625vpx_codec_err_t vp8_xma_get_mmap(const vpx_codec_ctx_t *ctx, 626 vpx_codec_mmap_t *mmap, 627 vpx_codec_iter_t *iter) 628{ 629 vpx_codec_err_t res; 630 const mem_req_t *seg_iter = *iter; 631 632 /* Get address of next segment request */ 633 do 634 { 635 if (!seg_iter) 636 seg_iter = vp8_mem_req_segs; 637 else if (seg_iter->id != VP8_SEG_MAX) 638 seg_iter++; 639 640 *iter = (vpx_codec_iter_t)seg_iter; 641 642 if (seg_iter->id != VP8_SEG_MAX) 643 { 644 mmap->id = seg_iter->id; 645 mmap->sz = seg_iter->sz; 646 mmap->align = seg_iter->align; 647 mmap->flags = seg_iter->flags; 648 649 if (!seg_iter->sz) 650 mmap->sz = seg_iter->calc_sz(ctx->config.dec, ctx->init_flags); 651 652 res = VPX_CODEC_OK; 653 } 654 else 655 res = VPX_CODEC_LIST_END; 656 } 657 while (!mmap->sz && res != VPX_CODEC_LIST_END); 658 659 return res; 660} 661 662static vpx_codec_err_t vp8_xma_set_mmap(vpx_codec_ctx_t *ctx, 663 const vpx_codec_mmap_t *mmap) 664{ 665 vpx_codec_err_t res = VPX_CODEC_MEM_ERROR; 666 int i, done; 667 668 if (!ctx->priv) 669 { 670 if (mmap->id == VP8_SEG_ALG_PRIV) 671 { 672 if (!ctx->priv) 673 { 674 vp8_init_ctx(ctx, mmap); 675 res = VPX_CODEC_OK; 676 } 677 } 678 } 679 680 done = 1; 681 682 if (!res && ctx->priv->alg_priv) 683 { 684 for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++) 685 { 686 if (ctx->priv->alg_priv->mmaps[i].id == mmap->id) 687 if (!ctx->priv->alg_priv->mmaps[i].base) 688 { 689 ctx->priv->alg_priv->mmaps[i] = *mmap; 690 res = VPX_CODEC_OK; 691 } 692 693 done &= (ctx->priv->alg_priv->mmaps[i].base != NULL); 694 } 695 } 696 697 if (done && !res) 698 { 699 vp8_finalize_mmaps(ctx->priv->alg_priv); 700 res = ctx->iface->init(ctx, NULL); 701 } 702 703 return res; 704} 705 706static vpx_codec_err_t image2yuvconfig(const vpx_image_t *img, 707 YV12_BUFFER_CONFIG *yv12) 708{ 709 vpx_codec_err_t res = VPX_CODEC_OK; 710 yv12->y_buffer = img->planes[VPX_PLANE_Y]; 711 yv12->u_buffer = img->planes[VPX_PLANE_U]; 712 yv12->v_buffer = img->planes[VPX_PLANE_V]; 713 714 yv12->y_crop_width = img->d_w; 715 yv12->y_crop_height = img->d_h; 716 yv12->y_width = img->d_w; 717 yv12->y_height = img->d_h; 718 yv12->uv_width = yv12->y_width / 2; 719 yv12->uv_height = yv12->y_height / 2; 720 721 yv12->y_stride = img->stride[VPX_PLANE_Y]; 722 yv12->uv_stride = img->stride[VPX_PLANE_U]; 723 724 yv12->border = (img->stride[VPX_PLANE_Y] - img->d_w) / 2; 725 return res; 726} 727 728 729static vpx_codec_err_t vp8_set_reference(vpx_codec_alg_priv_t *ctx, 730 int ctr_id, 731 va_list args) 732{ 733 734 vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *); 735 (void)ctr_id; 736 if (data && !ctx->yv12_frame_buffers.use_frame_threads) 737 { 738 vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data; 739 YV12_BUFFER_CONFIG sd; 740 741 image2yuvconfig(&frame->img, &sd); 742 743 return vp8dx_set_reference(ctx->yv12_frame_buffers.pbi[0], 744 frame->frame_type, &sd); 745 } 746 else 747 return VPX_CODEC_INVALID_PARAM; 748 749} 750 751static vpx_codec_err_t vp8_get_reference(vpx_codec_alg_priv_t *ctx, 752 int ctr_id, 753 va_list args) 754{ 755 756 vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *); 757 (void)ctr_id; 758 if (data && !ctx->yv12_frame_buffers.use_frame_threads) 759 { 760 vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data; 761 YV12_BUFFER_CONFIG sd; 762 763 image2yuvconfig(&frame->img, &sd); 764 765 return vp8dx_get_reference(ctx->yv12_frame_buffers.pbi[0], 766 frame->frame_type, &sd); 767 } 768 else 769 return VPX_CODEC_INVALID_PARAM; 770 771} 772 773static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx, 774 int ctr_id, 775 va_list args) 776{ 777 (void)ctr_id; 778#if CONFIG_POSTPROC 779 vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *); 780 781 if (data) 782 { 783 ctx->postproc_cfg_set = 1; 784 ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data); 785 return VPX_CODEC_OK; 786 } 787 else 788 return VPX_CODEC_INVALID_PARAM; 789 790#else 791 return VPX_CODEC_INCAPABLE; 792#endif 793} 794 795static vpx_codec_err_t vp8_set_dbg_options(vpx_codec_alg_priv_t *ctx, 796 int ctrl_id, 797 va_list args) 798{ 799 800 (void)ctrl_id; 801 (void)ctx; 802 (void)args; 803#if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC 804 int data = va_arg(args, int); 805 806#define MAP(id, var) case id: var = data; break; 807 808 switch (ctrl_id) 809 { 810 MAP (VP8_SET_DBG_COLOR_REF_FRAME, ctx->dbg_color_ref_frame_flag); 811 MAP (VP8_SET_DBG_COLOR_MB_MODES, ctx->dbg_color_mb_modes_flag); 812 MAP (VP8_SET_DBG_COLOR_B_MODES, ctx->dbg_color_b_modes_flag); 813 MAP (VP8_SET_DBG_DISPLAY_MV, ctx->dbg_display_mv_flag); 814 } 815 816 return VPX_CODEC_OK; 817#else 818 return VPX_CODEC_INCAPABLE; 819#endif 820} 821 822static vpx_codec_err_t vp8_get_last_ref_updates(vpx_codec_alg_priv_t *ctx, 823 int ctrl_id, 824 va_list args) 825{ 826 int *update_info = va_arg(args, int *); 827 (void)ctrl_id; 828 if (update_info && !ctx->yv12_frame_buffers.use_frame_threads) 829 { 830 VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0]; 831 832 *update_info = pbi->common.refresh_alt_ref_frame * (int) VP8_ALTR_FRAME 833 + pbi->common.refresh_golden_frame * (int) VP8_GOLD_FRAME 834 + pbi->common.refresh_last_frame * (int) VP8_LAST_FRAME; 835 836 return VPX_CODEC_OK; 837 } 838 else 839 return VPX_CODEC_INVALID_PARAM; 840} 841 842extern int vp8dx_references_buffer( VP8_COMMON *oci, int ref_frame ); 843static vpx_codec_err_t vp8_get_last_ref_frame(vpx_codec_alg_priv_t *ctx, 844 int ctrl_id, 845 va_list args) 846{ 847 int *ref_info = va_arg(args, int *); 848 (void)ctrl_id; 849 if (ref_info && !ctx->yv12_frame_buffers.use_frame_threads) 850 { 851 VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0]; 852 VP8_COMMON *oci = &pbi->common; 853 *ref_info = 854 (vp8dx_references_buffer( oci, ALTREF_FRAME )?VP8_ALTR_FRAME:0) | 855 (vp8dx_references_buffer( oci, GOLDEN_FRAME )?VP8_GOLD_FRAME:0) | 856 (vp8dx_references_buffer( oci, LAST_FRAME )?VP8_LAST_FRAME:0); 857 858 return VPX_CODEC_OK; 859 } 860 else 861 return VPX_CODEC_INVALID_PARAM; 862} 863 864static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx, 865 int ctrl_id, 866 va_list args) 867{ 868 869 int *corrupted = va_arg(args, int *); 870 (void)ctrl_id; 871 VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0]; 872 873 if (corrupted && pbi) 874 { 875 *corrupted = pbi->common.frame_to_show->corrupted; 876 877 return VPX_CODEC_OK; 878 } 879 else 880 return VPX_CODEC_INVALID_PARAM; 881 882} 883 884static vpx_codec_err_t vp8_set_decryptor(vpx_codec_alg_priv_t *ctx, 885 int ctrl_id, 886 va_list args) 887{ 888 vp8_decrypt_init *init = va_arg(args, vp8_decrypt_init *); 889 (void)ctrl_id; 890 if (init) 891 { 892 ctx->decrypt_cb = init->decrypt_cb; 893 ctx->decrypt_state = init->decrypt_state; 894 } 895 else 896 { 897 ctx->decrypt_cb = NULL; 898 ctx->decrypt_state = NULL; 899 } 900 return VPX_CODEC_OK; 901} 902 903vpx_codec_ctrl_fn_map_t vp8_ctf_maps[] = 904{ 905 {VP8_SET_REFERENCE, vp8_set_reference}, 906 {VP8_COPY_REFERENCE, vp8_get_reference}, 907 {VP8_SET_POSTPROC, vp8_set_postproc}, 908 {VP8_SET_DBG_COLOR_REF_FRAME, vp8_set_dbg_options}, 909 {VP8_SET_DBG_COLOR_MB_MODES, vp8_set_dbg_options}, 910 {VP8_SET_DBG_COLOR_B_MODES, vp8_set_dbg_options}, 911 {VP8_SET_DBG_DISPLAY_MV, vp8_set_dbg_options}, 912 {VP8D_GET_LAST_REF_UPDATES, vp8_get_last_ref_updates}, 913 {VP8D_GET_FRAME_CORRUPTED, vp8_get_frame_corrupted}, 914 {VP8D_GET_LAST_REF_USED, vp8_get_last_ref_frame}, 915 {VP8D_SET_DECRYPTOR, vp8_set_decryptor}, 916 { -1, NULL}, 917}; 918 919 920#ifndef VERSION_STRING 921#define VERSION_STRING 922#endif 923CODEC_INTERFACE(vpx_codec_vp8_dx) = 924{ 925 "WebM Project VP8 Decoder" VERSION_STRING, 926 VPX_CODEC_INTERNAL_ABI_VERSION, 927 VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC | VP8_CAP_ERROR_CONCEALMENT | 928 VPX_CODEC_CAP_INPUT_FRAGMENTS, 929 /* vpx_codec_caps_t caps; */ 930 vp8_init, /* vpx_codec_init_fn_t init; */ 931 vp8_destroy, /* vpx_codec_destroy_fn_t destroy; */ 932 vp8_ctf_maps, /* vpx_codec_ctrl_fn_map_t *ctrl_maps; */ 933 vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t get_mmap; */ 934 vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t set_mmap; */ 935 { 936 vp8_peek_si, /* vpx_codec_peek_si_fn_t peek_si; */ 937 vp8_get_si, /* vpx_codec_get_si_fn_t get_si; */ 938 vp8_decode, /* vpx_codec_decode_fn_t decode; */ 939 vp8_get_frame, /* vpx_codec_frame_get_fn_t frame_get; */ 940 NOT_IMPLEMENTED, 941 }, 942 { /* encoder functions */ 943 NOT_IMPLEMENTED, 944 NOT_IMPLEMENTED, 945 NOT_IMPLEMENTED, 946 NOT_IMPLEMENTED, 947 NOT_IMPLEMENTED, 948 NOT_IMPLEMENTED, 949 NOT_IMPLEMENTED, 950 } 951}; 952