vp8/vp8_dx_iface.c

   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_dsp_rtcd.h"
  16 #include "./vpx_scale_rtcd.h"
  17 #include "vpx/vpx_decoder.h"
  18 #include "vpx/vp8dx.h"
  19 #include "vpx/internal/vpx_codec_internal.h"
  20 #include "vpx_version.h"
  21 #include "common/alloccommon.h"
  22 #include "common/common.h"
  23 #include "common/onyxd.h"
  24 #include "decoder/onyxd_int.h"
  25 #include "vpx_dsp/vpx_dsp_common.h"
  26 #include "vpx_mem/vpx_mem.h"
  27 #if CONFIG_ERROR_CONCEALMENT
  28 #include "decoder/error_concealment.h"
  29 #endif
  30 #include "decoder/decoderthreading.h"
  31
  32 #define VP8_CAP_POSTPROC (CONFIG_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
  33 #define VP8_CAP_ERROR_CONCEALMENT (CONFIG_ERROR_CONCEALMENT ? \
  34                                     VPX_CODEC_CAP_ERROR_CONCEALMENT : 0)
  35
  36 typedef vpx_codec_stream_info_t  vp8_stream_info_t;
  37
  38 /* Structures for handling memory allocations */
  39 typedef enum
  40 {
  41     VP8_SEG_ALG_PRIV     = 256,
  42     VP8_SEG_MAX
  43 } mem_seg_id_t;
  44 #define NELEMENTS(x) ((int)(sizeof(x)/sizeof(x[0])))
  45
  46 struct vpx_codec_alg_priv
  47 {
  48     vpx_codec_priv_t        base;
  49     vpx_codec_dec_cfg_t     cfg;
  50     vp8_stream_info_t       si;
  51     int                     decoder_init;
  52     int                     postproc_cfg_set;
  53     vp8_postproc_cfg_t      postproc_cfg;
  54 #if CONFIG_POSTPROC_VISUALIZER
  55     unsigned int            dbg_postproc_flag;
  56     int                     dbg_color_ref_frame_flag;
  57     int                     dbg_color_mb_modes_flag;
  58     int                     dbg_color_b_modes_flag;
  59     int                     dbg_display_mv_flag;
  60 #endif
  61     vpx_decrypt_cb          decrypt_cb;
  62     void                    *decrypt_state;
  63     vpx_image_t             img;
  64     int                     img_setup;
  65     struct frame_buffers    yv12_frame_buffers;
  66     void                    *user_priv;
  67     FRAGMENT_DATA           fragments;
  68 };
  69
  70 static void vp8_init_ctx(vpx_codec_ctx_t *ctx)
  71 {
  72     vpx_codec_alg_priv_t *priv =
  73         (vpx_codec_alg_priv_t *)vpx_calloc(1, sizeof(*priv));
  74
  75     ctx->priv = (vpx_codec_priv_t *)priv;
  76     ctx->priv->init_flags = ctx->init_flags;
  77
  78     priv->si.sz = sizeof(priv->si);
  79     priv->decrypt_cb = NULL;
  80     priv->decrypt_state = NULL;
  81
  82     if (ctx->config.dec)
  83     {
  84         /* Update the reference to the config structure to an internal copy. */
  85         priv->cfg = *ctx->config.dec;
  86         ctx->config.dec = &priv->cfg;
  87     }
  88 }
  89
  90 static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx,
  91                                 vpx_codec_priv_enc_mr_cfg_t *data)
  92 {
  93     vpx_codec_err_t res = VPX_CODEC_OK;
  94     vpx_codec_alg_priv_t *priv = NULL;
  95     (void) data;
  96
  97     vp8_rtcd();
  98     vpx_dsp_rtcd();
  99     vpx_scale_rtcd();
 100
 101     /* This function only allocates space for the vpx_codec_alg_priv_t
 102      * structure. More memory may be required at the time the stream
 103      * information becomes known.
 104      */
 105     if (!ctx->priv) {
 106       vp8_init_ctx(ctx);
 107       priv = (vpx_codec_alg_priv_t *)ctx->priv;
 108
 109       /* initialize number of fragments to zero */
 110       priv->fragments.count = 0;
 111       /* is input fragments enabled? */
 112       priv->fragments.enabled =
 113           (priv->base.init_flags & VPX_CODEC_USE_INPUT_FRAGMENTS);
 114
 115       /*post processing level initialized to do nothing */
 116     } else {
 117       priv = (vpx_codec_alg_priv_t *)ctx->priv;
 118     }
 119
 120     priv->yv12_frame_buffers.use_frame_threads =
 121         (ctx->priv->init_flags & VPX_CODEC_USE_FRAME_THREADING);
 122
 123     /* for now, disable frame threading */
 124     priv->yv12_frame_buffers.use_frame_threads = 0;
 125
 126     if (priv->yv12_frame_buffers.use_frame_threads &&
 127         ((ctx->priv->init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT) ||
 128          (ctx->priv->init_flags & VPX_CODEC_USE_INPUT_FRAGMENTS))) {
 129       /* row-based threading, error concealment, and input fragments will
 130        * not be supported when using frame-based threading */
 131       res = VPX_CODEC_INVALID_PARAM;
 132     }
 133
 134     return res;
 135 }
 136
 137 static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx)
 138 {
 139     vp8_remove_decoder_instances(&ctx->yv12_frame_buffers);
 140
 141     vpx_free(ctx);
 142
 143     return VPX_CODEC_OK;
 144 }
 145
 146 static vpx_codec_err_t vp8_peek_si_internal(const uint8_t *data,
 147                                             unsigned int data_sz,
 148                                             vpx_codec_stream_info_t *si,
 149                                             vpx_decrypt_cb decrypt_cb,
 150                                             void *decrypt_state)
 151 {
 152     vpx_codec_err_t res = VPX_CODEC_OK;
 153
 154     if(data + data_sz <= data)
 155     {
 156         res = VPX_CODEC_INVALID_PARAM;
 157     }
 158     else
 159     {
 160         /* Parse uncompresssed part of key frame header.
 161          * 3 bytes:- including version, frame type and an offset
 162          * 3 bytes:- sync code (0x9d, 0x01, 0x2a)
 163          * 4 bytes:- including image width and height in the lowest 14 bits
 164          *           of each 2-byte value.
 165          */
 166         uint8_t clear_buffer[10];
 167         const uint8_t *clear = data;
 168         if (decrypt_cb)
 169         {
 170             int n = VPXMIN(sizeof(clear_buffer), data_sz);
 171             decrypt_cb(decrypt_state, data, clear_buffer, n);
 172             clear = clear_buffer;
 173         }
 174         si->is_kf = 0;
 175
 176         if (data_sz >= 10 && !(clear[0] & 0x01))  /* I-Frame */
 177         {
 178             si->is_kf = 1;
 179
 180             /* vet via sync code */
 181             if (clear[3] != 0x9d || clear[4] != 0x01 || clear[5] != 0x2a)
 182                 return VPX_CODEC_UNSUP_BITSTREAM;
 183
 184             si->w = (clear[6] | (clear[7] << 8)) & 0x3fff;
 185             si->h = (clear[8] | (clear[9] << 8)) & 0x3fff;
 186
 187             /*printf("w=%d, h=%d\n", si->w, si->h);*/
 188             if (!(si->h | si->w))
 189                 res = VPX_CODEC_UNSUP_BITSTREAM;
 190         }
 191         else
 192         {
 193             res = VPX_CODEC_UNSUP_BITSTREAM;
 194         }
 195     }
 196
 197     return res;
 198 }
 199
 200 static vpx_codec_err_t vp8_peek_si(const uint8_t *data,
 201                                    unsigned int data_sz,
 202                                    vpx_codec_stream_info_t *si) {
 203     return vp8_peek_si_internal(data, data_sz, si, NULL, NULL);
 204 }
 205
 206 static vpx_codec_err_t vp8_get_si(vpx_codec_alg_priv_t    *ctx,
 207                                   vpx_codec_stream_info_t *si)
 208 {
 209
 210     unsigned int sz;
 211
 212     if (si->sz >= sizeof(vp8_stream_info_t))
 213         sz = sizeof(vp8_stream_info_t);
 214     else
 215         sz = sizeof(vpx_codec_stream_info_t);
 216
 217     memcpy(si, &ctx->si, sz);
 218     si->sz = sz;
 219
 220     return VPX_CODEC_OK;
 221 }
 222
 223
 224 static vpx_codec_err_t
 225 update_error_state(vpx_codec_alg_priv_t                 *ctx,
 226                    const struct vpx_internal_error_info *error)
 227 {
 228     vpx_codec_err_t res;
 229
 230     if ((res = error->error_code))
 231         ctx->base.err_detail = error->has_detail
 232                                ? error->detail
 233                                : NULL;
 234
 235     return res;
 236 }
 237
 238 static void yuvconfig2image(vpx_image_t               *img,
 239                             const YV12_BUFFER_CONFIG  *yv12,
 240                             void                      *user_priv)
 241 {
 242     /** vpx_img_wrap() doesn't allow specifying independent strides for
 243       * the Y, U, and V planes, nor other alignment adjustments that
 244       * might be representable by a YV12_BUFFER_CONFIG, so we just
 245       * initialize all the fields.*/
 246     img->fmt = VPX_IMG_FMT_I420;
 247     img->w = yv12->y_stride;
 248     img->h = (yv12->y_height + 2 * VP8BORDERINPIXELS + 15) & ~15;
 249     img->d_w = img->r_w = yv12->y_width;
 250     img->d_h = img->r_h = yv12->y_height;
 251     img->x_chroma_shift = 1;
 252     img->y_chroma_shift = 1;
 253     img->planes[VPX_PLANE_Y] = yv12->y_buffer;
 254     img->planes[VPX_PLANE_U] = yv12->u_buffer;
 255     img->planes[VPX_PLANE_V] = yv12->v_buffer;
 256     img->planes[VPX_PLANE_ALPHA] = NULL;
 257     img->stride[VPX_PLANE_Y] = yv12->y_stride;
 258     img->stride[VPX_PLANE_U] = yv12->uv_stride;
 259     img->stride[VPX_PLANE_V] = yv12->uv_stride;
 260     img->stride[VPX_PLANE_ALPHA] = yv12->y_stride;
 261     img->bit_depth = 8;
 262     img->bps = 12;
 263     img->user_priv = user_priv;
 264     img->img_data = yv12->buffer_alloc;
 265     img->img_data_owner = 0;
 266     img->self_allocd = 0;
 267 }
 268
 269 static int
 270 update_fragments(vpx_codec_alg_priv_t  *ctx,
 271                  const uint8_t         *data,
 272                  unsigned int           data_sz,
 273                  vpx_codec_err_t       *res)
 274 {
 275     *res = VPX_CODEC_OK;
 276
 277     if (ctx->fragments.count == 0)
 278     {
 279         /* New frame, reset fragment pointers and sizes */
 280         memset((void*)ctx->fragments.ptrs, 0, sizeof(ctx->fragments.ptrs));
 281         memset(ctx->fragments.sizes, 0, sizeof(ctx->fragments.sizes));
 282     }
 283     if (ctx->fragments.enabled && !(data == NULL && data_sz == 0))
 284     {
 285         /* Store a pointer to this fragment and return. We haven't
 286          * received the complete frame yet, so we will wait with decoding.
 287          */
 288         ctx->fragments.ptrs[ctx->fragments.count] = data;
 289         ctx->fragments.sizes[ctx->fragments.count] = data_sz;
 290         ctx->fragments.count++;
 291         if (ctx->fragments.count > (1 << EIGHT_PARTITION) + 1)
 292         {
 293             ctx->fragments.count = 0;
 294             *res = VPX_CODEC_INVALID_PARAM;
 295             return -1;
 296         }
 297         return 0;
 298     }
 299
 300     if (!ctx->fragments.enabled && (data == NULL && data_sz == 0))
 301     {
 302         return 0;
 303     }
 304
 305     if (!ctx->fragments.enabled)
 306     {
 307         ctx->fragments.ptrs[0] = data;
 308         ctx->fragments.sizes[0] = data_sz;
 309         ctx->fragments.count = 1;
 310     }
 311
 312     return 1;
 313 }
 314
 315 static vpx_codec_err_t vp8_decode(vpx_codec_alg_priv_t  *ctx,
 316                                   const uint8_t         *data,
 317                                   unsigned int            data_sz,
 318                                   void                    *user_priv,
 319                                   long                    deadline)
 320 {
 321     vpx_codec_err_t res = VPX_CODEC_OK;
 322     unsigned int resolution_change = 0;
 323     unsigned int w, h;
 324
 325     if (!ctx->fragments.enabled && (data == NULL && data_sz == 0))
 326     {
 327         return 0;
 328     }
 329
 330     /* Update the input fragment data */
 331     if(update_fragments(ctx, data, data_sz, &res) <= 0)
 332         return res;
 333
 334     /* Determine the stream parameters. Note that we rely on peek_si to
 335      * validate that we have a buffer that does not wrap around the top
 336      * of the heap.
 337      */
 338     w = ctx->si.w;
 339     h = ctx->si.h;
 340
 341     res = vp8_peek_si_internal(ctx->fragments.ptrs[0], ctx->fragments.sizes[0],
 342                                &ctx->si, ctx->decrypt_cb, ctx->decrypt_state);
 343
 344     if((res == VPX_CODEC_UNSUP_BITSTREAM) && !ctx->si.is_kf)
 345     {
 346         /* the peek function returns an error for non keyframes, however for
 347          * this case, it is not an error */
 348         res = VPX_CODEC_OK;
 349     }
 350
 351     if(!ctx->decoder_init && !ctx->si.is_kf)
 352         res = VPX_CODEC_UNSUP_BITSTREAM;
 353
 354     if ((ctx->si.h != h) || (ctx->si.w != w))
 355         resolution_change = 1;
 356
 357     /* Initialize the decoder instance on the first frame*/
 358     if (!res && !ctx->decoder_init)
 359     {
 360       VP8D_CONFIG oxcf;
 361
 362       oxcf.Width = ctx->si.w;
 363       oxcf.Height = ctx->si.h;
 364       oxcf.Version = 9;
 365       oxcf.postprocess = 0;
 366       oxcf.max_threads = ctx->cfg.threads;
 367       oxcf.error_concealment =
 368           (ctx->base.init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT);
 369
 370       /* If postprocessing was enabled by the application and a
 371        * configuration has not been provided, default it.
 372        */
 373        if (!ctx->postproc_cfg_set
 374            && (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)) {
 375          ctx->postproc_cfg.post_proc_flag =
 376              VP8_DEBLOCK | VP8_DEMACROBLOCK | VP8_MFQE;
 377          ctx->postproc_cfg.deblocking_level = 4;
 378          ctx->postproc_cfg.noise_level = 0;
 379        }
 380
 381        res = vp8_create_decoder_instances(&ctx->yv12_frame_buffers, &oxcf);
 382        ctx->decoder_init = 1;
 383     }
 384
 385     /* Set these even if already initialized.  The caller may have changed the
 386      * decrypt config between frames.
 387      */
 388     if (ctx->decoder_init) {
 389       ctx->yv12_frame_buffers.pbi[0]->decrypt_cb = ctx->decrypt_cb;
 390       ctx->yv12_frame_buffers.pbi[0]->decrypt_state = ctx->decrypt_state;
 391     }
 392
 393     if (!res)
 394     {
 395         VP8D_COMP *pbi = ctx->yv12_frame_buffers.pbi[0];
 396         if (resolution_change)
 397         {
 398             VP8_COMMON *const pc = & pbi->common;
 399             MACROBLOCKD *const xd  = & pbi->mb;
 400 #if CONFIG_MULTITHREAD
 401             int i;
 402 #endif
 403             pc->Width = ctx->si.w;
 404             pc->Height = ctx->si.h;
 405             {
 406                 int prev_mb_rows = pc->mb_rows;
 407
 408                 if (setjmp(pbi->common.error.jmp))
 409                 {
 410                     pbi->common.error.setjmp = 0;
 411                     vp8_clear_system_state();
 412                     /* same return value as used in vp8dx_receive_compressed_data */
 413                     return -1;
 414                 }
 415
 416                 pbi->common.error.setjmp = 1;
 417
 418                 if (pc->Width <= 0)
 419                 {
 420                     pc->Width = w;
 421                     vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
 422                                        "Invalid frame width");
 423                 }
 424
 425                 if (pc->Height <= 0)
 426                 {
 427                     pc->Height = h;
 428                     vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
 429                                        "Invalid frame height");
 430                 }
 431
 432                 if (vp8_alloc_frame_buffers(pc, pc->Width, pc->Height))
 433                     vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
 434                                        "Failed to allocate frame buffers");
 435
 436                 xd->pre = pc->yv12_fb[pc->lst_fb_idx];
 437                 xd->dst = pc->yv12_fb[pc->new_fb_idx];
 438
 439 #if CONFIG_MULTITHREAD
 440                 for (i = 0; i < pbi->allocated_decoding_thread_count; i++)
 441                 {
 442                     pbi->mb_row_di[i].mbd.dst = pc->yv12_fb[pc->new_fb_idx];
 443                     vp8_build_block_doffsets(&pbi->mb_row_di[i].mbd);
 444                 }
 445 #endif
 446                 vp8_build_block_doffsets(&pbi->mb);
 447
 448                 /* allocate memory for last frame MODE_INFO array */
 449 #if CONFIG_ERROR_CONCEALMENT
 450
 451                 if (pbi->ec_enabled)
 452                 {
 453                     /* old prev_mip was released by vp8_de_alloc_frame_buffers()
 454                      * called in vp8_alloc_frame_buffers() */
 455                     pc->prev_mip = vpx_calloc(
 456                                        (pc->mb_cols + 1) * (pc->mb_rows + 1),
 457                                        sizeof(MODE_INFO));
 458
 459                     if (!pc->prev_mip)
 460                     {
 461                         vp8_de_alloc_frame_buffers(pc);
 462                         vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
 463                                            "Failed to allocate"
 464                                            "last frame MODE_INFO array");
 465                     }
 466
 467                     pc->prev_mi = pc->prev_mip + pc->mode_info_stride + 1;
 468
 469                     if (vp8_alloc_overlap_lists(pbi))
 470                         vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
 471                                            "Failed to allocate overlap lists "
 472                                            "for error concealment");
 473                 }
 474
 475 #endif
 476
 477 #if CONFIG_MULTITHREAD
 478                 if (pbi->b_multithreaded_rd)
 479                     vp8mt_alloc_temp_buffers(pbi, pc->Width, prev_mb_rows);
 480 #else
 481                 (void)prev_mb_rows;
 482 #endif
 483             }
 484
 485             pbi->common.error.setjmp = 0;
 486
 487             /* required to get past the first get_free_fb() call */
 488             pbi->common.fb_idx_ref_cnt[0] = 0;
 489         }
 490
 491         /* update the pbi fragment data */
 492         pbi->fragments = ctx->fragments;
 493
 494         ctx->user_priv = user_priv;
 495         if (vp8dx_receive_compressed_data(pbi, data_sz, data, deadline))
 496         {
 497             res = update_error_state(ctx, &pbi->common.error);
 498         }
 499
 500         /* get ready for the next series of fragments */
 501         ctx->fragments.count = 0;
 502     }
 503
 504     return res;
 505 }
 506
 507 static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t  *ctx,
 508                                   vpx_codec_iter_t      *iter)
 509 {
 510     vpx_image_t *img = NULL;
 511
 512     /* iter acts as a flip flop, so an image is only returned on the first
 513      * call to get_frame.
 514      */
 515     if (!(*iter) && ctx->yv12_frame_buffers.pbi[0])
 516     {
 517         YV12_BUFFER_CONFIG sd;
 518         int64_t time_stamp = 0, time_end_stamp = 0;
 519         vp8_ppflags_t flags = {0};
 520
 521         if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
 522         {
 523             flags.post_proc_flag= ctx->postproc_cfg.post_proc_flag
 524 #if CONFIG_POSTPROC_VISUALIZER
 525
 526                                 | ((ctx->dbg_color_ref_frame_flag != 0) ? VP8D_DEBUG_CLR_FRM_REF_BLKS : 0)
 527                                 | ((ctx->dbg_color_mb_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
 528                                 | ((ctx->dbg_color_b_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
 529                                 | ((ctx->dbg_display_mv_flag != 0) ? VP8D_DEBUG_DRAW_MV : 0)
 530 #endif
 531                                 ;
 532             flags.deblocking_level      = ctx->postproc_cfg.deblocking_level;
 533             flags.noise_level           = ctx->postproc_cfg.noise_level;
 534 #if CONFIG_POSTPROC_VISUALIZER
 535             flags.display_ref_frame_flag= ctx->dbg_color_ref_frame_flag;
 536             flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag;
 537             flags.display_b_modes_flag  = ctx->dbg_color_b_modes_flag;
 538             flags.display_mv_flag       = ctx->dbg_display_mv_flag;
 539 #endif
 540         }
 541
 542         if (0 == vp8dx_get_raw_frame(ctx->yv12_frame_buffers.pbi[0], &sd,
 543                                      &time_stamp, &time_end_stamp, &flags))
 544         {
 545             yuvconfig2image(&ctx->img, &sd, ctx->user_priv);
 546
 547             img = &ctx->img;
 548             *iter = img;
 549         }
 550     }
 551
 552     return img;
 553 }
 554
 555 static vpx_codec_err_t image2yuvconfig(const vpx_image_t   *img,
 556                                        YV12_BUFFER_CONFIG  *yv12)
 557 {
 558     const int y_w = img->d_w;
 559     const int y_h = img->d_h;
 560     const int uv_w = (img->d_w + 1) / 2;
 561     const int uv_h = (img->d_h + 1) / 2;
 562     vpx_codec_err_t        res = VPX_CODEC_OK;
 563     yv12->y_buffer = img->planes[VPX_PLANE_Y];
 564     yv12->u_buffer = img->planes[VPX_PLANE_U];
 565     yv12->v_buffer = img->planes[VPX_PLANE_V];
 566
 567     yv12->y_crop_width  = y_w;
 568     yv12->y_crop_height = y_h;
 569     yv12->y_width  = y_w;
 570     yv12->y_height = y_h;
 571     yv12->uv_crop_width = uv_w;
 572     yv12->uv_crop_height = uv_h;
 573     yv12->uv_width = uv_w;
 574     yv12->uv_height = uv_h;
 575
 576     yv12->y_stride = img->stride[VPX_PLANE_Y];
 577     yv12->uv_stride = img->stride[VPX_PLANE_U];
 578
 579     yv12->border  = (img->stride[VPX_PLANE_Y] - img->d_w) / 2;
 580     return res;
 581 }
 582
 583
 584 static vpx_codec_err_t vp8_set_reference(vpx_codec_alg_priv_t *ctx,
 585                                          va_list args)
 586 {
 587
 588     vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
 589
 590     if (data && !ctx->yv12_frame_buffers.use_frame_threads)
 591     {
 592         vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
 593         YV12_BUFFER_CONFIG sd;
 594
 595         image2yuvconfig(&frame->img, &sd);
 596
 597         return vp8dx_set_reference(ctx->yv12_frame_buffers.pbi[0],
 598                                    frame->frame_type, &sd);
 599     }
 600     else
 601         return VPX_CODEC_INVALID_PARAM;
 602
 603 }
 604
 605 static vpx_codec_err_t vp8_get_reference(vpx_codec_alg_priv_t *ctx,
 606                                          va_list args)
 607 {
 608
 609     vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
 610
 611     if (data && !ctx->yv12_frame_buffers.use_frame_threads)
 612     {
 613         vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
 614         YV12_BUFFER_CONFIG sd;
 615
 616         image2yuvconfig(&frame->img, &sd);
 617
 618         return vp8dx_get_reference(ctx->yv12_frame_buffers.pbi[0],
 619                                    frame->frame_type, &sd);
 620     }
 621     else
 622         return VPX_CODEC_INVALID_PARAM;
 623
 624 }
 625
 626 static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx,
 627                                         va_list args)
 628 {
 629 #if CONFIG_POSTPROC
 630     vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
 631
 632     if (data)
 633     {
 634         ctx->postproc_cfg_set = 1;
 635         ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
 636         return VPX_CODEC_OK;
 637     }
 638     else
 639         return VPX_CODEC_INVALID_PARAM;
 640
 641 #else
 642     (void)ctx;
 643     (void)args;
 644     return VPX_CODEC_INCAPABLE;
 645 #endif
 646 }
 647
 648
 649 static vpx_codec_err_t vp8_set_dbg_color_ref_frame(vpx_codec_alg_priv_t *ctx,
 650                                                    va_list args) {
 651 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
 652   ctx->dbg_color_ref_frame_flag = va_arg(args, int);
 653   return VPX_CODEC_OK;
 654 #else
 655   (void)ctx;
 656   (void)args;
 657   return VPX_CODEC_INCAPABLE;
 658 #endif
 659 }
 660
 661 static vpx_codec_err_t vp8_set_dbg_color_mb_modes(vpx_codec_alg_priv_t *ctx,
 662                                                   va_list args) {
 663 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
 664   ctx->dbg_color_mb_modes_flag = va_arg(args, int);
 665   return VPX_CODEC_OK;
 666 #else
 667   (void)ctx;
 668   (void)args;
 669   return VPX_CODEC_INCAPABLE;
 670 #endif
 671 }
 672
 673 static vpx_codec_err_t vp8_set_dbg_color_b_modes(vpx_codec_alg_priv_t *ctx,
 674                                                  va_list args) {
 675 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
 676   ctx->dbg_color_b_modes_flag = va_arg(args, int);
 677   return VPX_CODEC_OK;
 678 #else
 679   (void)ctx;
 680   (void)args;
 681   return VPX_CODEC_INCAPABLE;
 682 #endif
 683 }
 684
 685 static vpx_codec_err_t vp8_set_dbg_display_mv(vpx_codec_alg_priv_t *ctx,
 686                                               va_list args) {
 687 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
 688   ctx->dbg_display_mv_flag = va_arg(args, int);
 689   return VPX_CODEC_OK;
 690 #else
 691   (void)ctx;
 692   (void)args;
 693   return VPX_CODEC_INCAPABLE;
 694 #endif
 695 }
 696
 697 static vpx_codec_err_t vp8_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
 698                                                 va_list args)
 699 {
 700     int *update_info = va_arg(args, int *);
 701
 702     if (update_info && !ctx->yv12_frame_buffers.use_frame_threads)
 703     {
 704         VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
 705
 706         *update_info = pbi->common.refresh_alt_ref_frame * (int) VP8_ALTR_FRAME
 707             + pbi->common.refresh_golden_frame * (int) VP8_GOLD_FRAME
 708             + pbi->common.refresh_last_frame * (int) VP8_LAST_FRAME;
 709
 710         return VPX_CODEC_OK;
 711     }
 712     else
 713         return VPX_CODEC_INVALID_PARAM;
 714 }
 715
 716 extern int vp8dx_references_buffer( VP8_COMMON *oci, int ref_frame );
 717 static vpx_codec_err_t vp8_get_last_ref_frame(vpx_codec_alg_priv_t *ctx,
 718                                               va_list args)
 719 {
 720     int *ref_info = va_arg(args, int *);
 721
 722     if (ref_info && !ctx->yv12_frame_buffers.use_frame_threads)
 723     {
 724         VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
 725         VP8_COMMON *oci = &pbi->common;
 726         *ref_info =
 727             (vp8dx_references_buffer( oci, ALTREF_FRAME )?VP8_ALTR_FRAME:0) |
 728             (vp8dx_references_buffer( oci, GOLDEN_FRAME )?VP8_GOLD_FRAME:0) |
 729             (vp8dx_references_buffer( oci, LAST_FRAME )?VP8_LAST_FRAME:0);
 730
 731         return VPX_CODEC_OK;
 732     }
 733     else
 734         return VPX_CODEC_INVALID_PARAM;
 735 }
 736
 737 static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
 738                                                va_list args)
 739 {
 740
 741     int *corrupted = va_arg(args, int *);
 742     VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
 743
 744     if (corrupted && pbi)
 745     {
 746         const YV12_BUFFER_CONFIG *const frame = pbi->common.frame_to_show;
 747         if (frame == NULL) return VPX_CODEC_ERROR;
 748         *corrupted = frame->corrupted;
 749         return VPX_CODEC_OK;
 750     }
 751     else
 752         return VPX_CODEC_INVALID_PARAM;
 753
 754 }
 755
 756 static vpx_codec_err_t vp8_set_decryptor(vpx_codec_alg_priv_t *ctx,
 757                                          va_list args)
 758 {
 759     vpx_decrypt_init *init = va_arg(args, vpx_decrypt_init *);
 760
 761     if (init)
 762     {
 763         ctx->decrypt_cb = init->decrypt_cb;
 764         ctx->decrypt_state = init->decrypt_state;
 765     }
 766     else
 767     {
 768         ctx->decrypt_cb = NULL;
 769         ctx->decrypt_state = NULL;
 770     }
 771     return VPX_CODEC_OK;
 772 }
 773
 774 vpx_codec_ctrl_fn_map_t vp8_ctf_maps[] =
 775 {
 776     {VP8_SET_REFERENCE,             vp8_set_reference},
 777     {VP8_COPY_REFERENCE,            vp8_get_reference},
 778     {VP8_SET_POSTPROC,              vp8_set_postproc},
 779     {VP8_SET_DBG_COLOR_REF_FRAME,   vp8_set_dbg_color_ref_frame},
 780     {VP8_SET_DBG_COLOR_MB_MODES,    vp8_set_dbg_color_mb_modes},
 781     {VP8_SET_DBG_COLOR_B_MODES,     vp8_set_dbg_color_b_modes},
 782     {VP8_SET_DBG_DISPLAY_MV,        vp8_set_dbg_display_mv},
 783     {VP8D_GET_LAST_REF_UPDATES,     vp8_get_last_ref_updates},
 784     {VP8D_GET_FRAME_CORRUPTED,      vp8_get_frame_corrupted},
 785     {VP8D_GET_LAST_REF_USED,        vp8_get_last_ref_frame},
 786     {VPXD_SET_DECRYPTOR,            vp8_set_decryptor},
 787     { -1, NULL},
 788 };
 789
 790
 791 #ifndef VERSION_STRING
 792 #define VERSION_STRING
 793 #endif
 794 CODEC_INTERFACE(vpx_codec_vp8_dx) =
 795 {
 796     "WebM Project VP8 Decoder" VERSION_STRING,
 797     VPX_CODEC_INTERNAL_ABI_VERSION,
 798     VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC | VP8_CAP_ERROR_CONCEALMENT |
 799     VPX_CODEC_CAP_INPUT_FRAGMENTS,
 800     /* vpx_codec_caps_t          caps; */
 801     vp8_init,         /* vpx_codec_init_fn_t       init; */
 802     vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
 803     vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
 804     {
 805         vp8_peek_si,      /* vpx_codec_peek_si_fn_t    peek_si; */
 806         vp8_get_si,       /* vpx_codec_get_si_fn_t     get_si; */
 807         vp8_decode,       /* vpx_codec_decode_fn_t     decode; */
 808         vp8_get_frame,    /* vpx_codec_frame_get_fn_t  frame_get; */
 809         NULL,
 810     },
 811     { /* encoder functions */
 812         0,
 813         NULL,
 814         NULL,
 815         NULL,
 816         NULL,
 817         NULL,
 818         NULL
 819     }
 820 };