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 "vpx/vpx_decoder.h"
  15 #include "vpx/vp8dx.h"
  16 #include "vpx/internal/vpx_codec_internal.h"
  17 #include "vpx_version.h"
  18 #include "common/onyxd.h"
  19 #include "decoder/onyxd_int.h"
  20
  21 #define VP8_CAP_POSTPROC (CONFIG_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
  22
  23 typedef vpx_codec_stream_info_t  vp8_stream_info_t;
  24
  25 /* Structures for handling memory allocations */
  26 typedef enum
  27 {
  28     VP8_SEG_ALG_PRIV     = 256,
  29     VP8_SEG_MAX
  30 } mem_seg_id_t;
  31 #define NELEMENTS(x) ((int)(sizeof(x)/sizeof(x[0])))
  32
  33 static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t);
  34
  35 typedef struct
  36 {
  37     unsigned int   id;
  38     unsigned long  sz;
  39     unsigned int   align;
  40     unsigned int   flags;
  41     unsigned long(*calc_sz)(const vpx_codec_dec_cfg_t *, vpx_codec_flags_t);
  42 } mem_req_t;
  43
  44 static 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
  50 struct 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     VP8D_PTR                pbi;
  59     int                     postproc_cfg_set;
  60     vp8_postproc_cfg_t      postproc_cfg;
  61 #if CONFIG_POSTPROC_VISUALIZER
  62     unsigned int            dbg_postproc_flag;
  63     int                     dbg_color_ref_frame_flag;
  64     int                     dbg_color_mb_modes_flag;
  65     int                     dbg_color_b_modes_flag;
  66     int                     dbg_display_mv_flag;
  67 #endif
  68     vpx_image_t             img;
  69     int                     img_setup;
  70     int                     img_avail;
  71 };
  72
  73 static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t flags)
  74 {
  75     /* Although this declaration is constant, we can't use it in the requested
  76      * segments list because we want to define the requested segments list
  77      * before defining the private type (so that the number of memory maps is
  78      * known)
  79      */
  80     (void)si;
  81     return sizeof(vpx_codec_alg_priv_t);
  82 }
  83
  84
  85 static void vp8_mmap_dtor(vpx_codec_mmap_t *mmap)
  86 {
  87     free(mmap->priv);
  88 }
  89
  90 static vpx_codec_err_t vp8_mmap_alloc(vpx_codec_mmap_t *mmap)
  91 {
  92     vpx_codec_err_t  res;
  93     unsigned int   align;
  94
  95     align = mmap->align ? mmap->align - 1 : 0;
  96
  97     if (mmap->flags & VPX_CODEC_MEM_ZERO)
  98         mmap->priv = calloc(1, mmap->sz + align);
  99     else
 100         mmap->priv = malloc(mmap->sz + align);
 101
 102     res = (mmap->priv) ? VPX_CODEC_OK : VPX_CODEC_MEM_ERROR;
 103     mmap->base = (void *)((((uintptr_t)mmap->priv) + align) & ~(uintptr_t)align);
 104     mmap->dtor = vp8_mmap_dtor;
 105     return res;
 106 }
 107
 108 static vpx_codec_err_t vp8_validate_mmaps(const vp8_stream_info_t *si,
 109         const vpx_codec_mmap_t        *mmaps,
 110         vpx_codec_flags_t              init_flags)
 111 {
 112     int i;
 113     vpx_codec_err_t res = VPX_CODEC_OK;
 114
 115     for (i = 0; i < NELEMENTS(vp8_mem_req_segs) - 1; i++)
 116     {
 117         /* Ensure the segment has been allocated */
 118         if (!mmaps[i].base)
 119         {
 120             res = VPX_CODEC_MEM_ERROR;
 121             break;
 122         }
 123
 124         /* Verify variable size segment is big enough for the current si. */
 125         if (vp8_mem_req_segs[i].calc_sz)
 126         {
 127             vpx_codec_dec_cfg_t cfg;
 128
 129             cfg.w = si->w;
 130             cfg.h = si->h;
 131
 132             if (mmaps[i].sz < vp8_mem_req_segs[i].calc_sz(&cfg, init_flags))
 133             {
 134                 res = VPX_CODEC_MEM_ERROR;
 135                 break;
 136             }
 137         }
 138     }
 139
 140     return res;
 141 }
 142
 143 static void vp8_init_ctx(vpx_codec_ctx_t *ctx, const vpx_codec_mmap_t *mmap)
 144 {
 145     int i;
 146
 147     ctx->priv = mmap->base;
 148     ctx->priv->sz = sizeof(*ctx->priv);
 149     ctx->priv->iface = ctx->iface;
 150     ctx->priv->alg_priv = mmap->base;
 151
 152     for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++)
 153         ctx->priv->alg_priv->mmaps[i].id = vp8_mem_req_segs[i].id;
 154
 155     ctx->priv->alg_priv->mmaps[0] = *mmap;
 156     ctx->priv->alg_priv->si.sz = sizeof(ctx->priv->alg_priv->si);
 157     ctx->priv->init_flags = ctx->init_flags;
 158
 159     if (ctx->config.dec)
 160     {
 161         /* Update the reference to the config structure to an internal copy. */
 162         ctx->priv->alg_priv->cfg = *ctx->config.dec;
 163         ctx->config.dec = &ctx->priv->alg_priv->cfg;
 164     }
 165 }
 166
 167 static void *mmap_lkup(vpx_codec_alg_priv_t *ctx, unsigned int id)
 168 {
 169     int i;
 170
 171     for (i = 0; i < NELEMENTS(ctx->mmaps); i++)
 172         if (ctx->mmaps[i].id == id)
 173             return ctx->mmaps[i].base;
 174
 175     return NULL;
 176 }
 177 static void vp8_finalize_mmaps(vpx_codec_alg_priv_t *ctx)
 178 {
 179     /* nothing to clean up */
 180 }
 181
 182 static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx)
 183 {
 184     vpx_codec_err_t        res = VPX_CODEC_OK;
 185
 186     /* This function only allocates space for the vpx_codec_alg_priv_t
 187      * structure. More memory may be required at the time the stream
 188      * information becomes known.
 189      */
 190     if (!ctx->priv)
 191     {
 192         vpx_codec_mmap_t mmap;
 193
 194         mmap.id = vp8_mem_req_segs[0].id;
 195         mmap.sz = sizeof(vpx_codec_alg_priv_t);
 196         mmap.align = vp8_mem_req_segs[0].align;
 197         mmap.flags = vp8_mem_req_segs[0].flags;
 198
 199         res = vp8_mmap_alloc(&mmap);
 200
 201         if (!res)
 202         {
 203             vp8_init_ctx(ctx, &mmap);
 204
 205             ctx->priv->alg_priv->defer_alloc = 1;
 206             /*post processing level initialized to do nothing */
 207         }
 208     }
 209
 210     return res;
 211 }
 212
 213 static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx)
 214 {
 215     int i;
 216
 217     vp8dx_remove_decompressor(ctx->pbi);
 218
 219     for (i = NELEMENTS(ctx->mmaps) - 1; i >= 0; i--)
 220     {
 221         if (ctx->mmaps[i].dtor)
 222             ctx->mmaps[i].dtor(&ctx->mmaps[i]);
 223     }
 224
 225     return VPX_CODEC_OK;
 226 }
 227
 228 static vpx_codec_err_t vp8_peek_si(const uint8_t         *data,
 229                                    unsigned int           data_sz,
 230                                    vpx_codec_stream_info_t *si)
 231 {
 232     vpx_codec_err_t res = VPX_CODEC_OK;
 233
 234     if(data + data_sz <= data)
 235         res = VPX_CODEC_INVALID_PARAM;
 236     else
 237     {
 238         /* Parse uncompresssed part of key frame header.
 239          * 3 bytes:- including version, frame type and an offset
 240          * 3 bytes:- sync code (0x9d, 0x01, 0x2a)
 241          * 4 bytes:- including image width and height in the lowest 14 bits
 242          *           of each 2-byte value.
 243          */
 244         si->is_kf = 0;
 245
 246         if (data_sz >= 10 && !(data[0] & 0x01))  /* I-Frame */
 247         {
 248             const uint8_t *c = data + 3;
 249             si->is_kf = 1;
 250
 251             /* vet via sync code */
 252             if (c[0] != 0x9d || c[1] != 0x01 || c[2] != 0x2a)
 253                 res = VPX_CODEC_UNSUP_BITSTREAM;
 254
 255             si->w = (c[3] | (c[4] << 8)) & 0x3fff;
 256             si->h = (c[5] | (c[6] << 8)) & 0x3fff;
 257
 258             /*printf("w=%d, h=%d\n", si->w, si->h);*/
 259             if (!(si->h | si->w))
 260                 res = VPX_CODEC_UNSUP_BITSTREAM;
 261         }
 262         else
 263             res = VPX_CODEC_UNSUP_BITSTREAM;
 264     }
 265
 266     return res;
 267
 268 }
 269
 270 static vpx_codec_err_t vp8_get_si(vpx_codec_alg_priv_t    *ctx,
 271                                   vpx_codec_stream_info_t *si)
 272 {
 273
 274     unsigned int sz;
 275
 276     if (si->sz >= sizeof(vp8_stream_info_t))
 277         sz = sizeof(vp8_stream_info_t);
 278     else
 279         sz = sizeof(vpx_codec_stream_info_t);
 280
 281     memcpy(si, &ctx->si, sz);
 282     si->sz = sz;
 283
 284     return VPX_CODEC_OK;
 285 }
 286
 287
 288 static vpx_codec_err_t
 289 update_error_state(vpx_codec_alg_priv_t                 *ctx,
 290                    const struct vpx_internal_error_info *error)
 291 {
 292     vpx_codec_err_t res;
 293
 294     if ((res = error->error_code))
 295         ctx->base.err_detail = error->has_detail
 296                                ? error->detail
 297                                : NULL;
 298
 299     return res;
 300 }
 301
 302
 303 static vpx_codec_err_t vp8_decode(vpx_codec_alg_priv_t  *ctx,
 304                                   const uint8_t         *data,
 305                                   unsigned int            data_sz,
 306                                   void                    *user_priv,
 307                                   long                    deadline)
 308 {
 309     vpx_codec_err_t res = VPX_CODEC_OK;
 310
 311     ctx->img_avail = 0;
 312
 313     /* Determine the stream parameters. Note that we rely on peek_si to
 314      * validate that we have a buffer that does not wrap around the top
 315      * of the heap.
 316      */
 317     if (!ctx->si.h)
 318         res = ctx->base.iface->dec.peek_si(data, data_sz, &ctx->si);
 319
 320
 321     /* Perform deferred allocations, if required */
 322     if (!res && ctx->defer_alloc)
 323     {
 324         int i;
 325
 326         for (i = 1; !res && i < NELEMENTS(ctx->mmaps); i++)
 327         {
 328             vpx_codec_dec_cfg_t cfg;
 329
 330             cfg.w = ctx->si.w;
 331             cfg.h = ctx->si.h;
 332             ctx->mmaps[i].id = vp8_mem_req_segs[i].id;
 333             ctx->mmaps[i].sz = vp8_mem_req_segs[i].sz;
 334             ctx->mmaps[i].align = vp8_mem_req_segs[i].align;
 335             ctx->mmaps[i].flags = vp8_mem_req_segs[i].flags;
 336
 337             if (!ctx->mmaps[i].sz)
 338                 ctx->mmaps[i].sz = vp8_mem_req_segs[i].calc_sz(&cfg,
 339                                    ctx->base.init_flags);
 340
 341             res = vp8_mmap_alloc(&ctx->mmaps[i]);
 342         }
 343
 344         if (!res)
 345             vp8_finalize_mmaps(ctx);
 346
 347         ctx->defer_alloc = 0;
 348     }
 349
 350     /* Initialize the decoder instance on the first frame*/
 351     if (!res && !ctx->decoder_init)
 352     {
 353         res = vp8_validate_mmaps(&ctx->si, ctx->mmaps, ctx->base.init_flags);
 354
 355         if (!res)
 356         {
 357             VP8D_CONFIG oxcf;
 358             VP8D_PTR optr;
 359
 360             vp8dx_initialize();
 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
 368             optr = vp8dx_create_decompressor(&oxcf);
 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             {
 376                 ctx->postproc_cfg.post_proc_flag =
 377                     VP8_DEBLOCK | VP8_DEMACROBLOCK;
 378                 ctx->postproc_cfg.deblocking_level = 4;
 379                 ctx->postproc_cfg.noise_level = 0;
 380             }
 381
 382             if (!optr)
 383                 res = VPX_CODEC_ERROR;
 384             else
 385                 ctx->pbi = optr;
 386         }
 387
 388         ctx->decoder_init = 1;
 389     }
 390
 391     if (!res && ctx->pbi)
 392     {
 393         YV12_BUFFER_CONFIG sd;
 394         INT64 time_stamp = 0, time_end_stamp = 0;
 395         vp8_ppflags_t flags = {0};
 396
 397         if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
 398         {
 399             flags.post_proc_flag= ctx->postproc_cfg.post_proc_flag
 400 #if CONFIG_POSTPROC_VISUALIZER
 401
 402                                 | ((ctx->dbg_color_ref_frame_flag != 0) ? VP8D_DEBUG_CLR_FRM_REF_BLKS : 0)
 403                                 | ((ctx->dbg_color_mb_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
 404                                 | ((ctx->dbg_color_b_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
 405                                 | ((ctx->dbg_display_mv_flag != 0) ? VP8D_DEBUG_DRAW_MV : 0)
 406 #endif
 407                                 ;
 408             flags.deblocking_level      = ctx->postproc_cfg.deblocking_level;
 409             flags.noise_level           = ctx->postproc_cfg.noise_level;
 410 #if CONFIG_POSTPROC_VISUALIZER
 411             flags.display_ref_frame_flag= ctx->dbg_color_ref_frame_flag;
 412             flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag;
 413             flags.display_b_modes_flag  = ctx->dbg_color_b_modes_flag;
 414             flags.display_mv_flag       = ctx->dbg_display_mv_flag;
 415 #endif
 416         }
 417
 418         if (vp8dx_receive_compressed_data(ctx->pbi, data_sz, data, deadline))
 419         {
 420             VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
 421             res = update_error_state(ctx, &pbi->common.error);
 422         }
 423
 424         if (!res && 0 == vp8dx_get_raw_frame(ctx->pbi, &sd, &time_stamp, &time_end_stamp, &flags))
 425         {
 426             /* Align width/height */
 427             unsigned int a_w = (sd.y_width + 15) & ~15;
 428             unsigned int a_h = (sd.y_height + 15) & ~15;
 429
 430             vpx_img_wrap(&ctx->img, VPX_IMG_FMT_I420,
 431                          a_w + 2 * VP8BORDERINPIXELS,
 432                          a_h + 2 * VP8BORDERINPIXELS,
 433                          1,
 434                          sd.buffer_alloc);
 435             vpx_img_set_rect(&ctx->img,
 436                              VP8BORDERINPIXELS, VP8BORDERINPIXELS,
 437                              sd.y_width, sd.y_height);
 438             ctx->img.user_priv = user_priv;
 439             ctx->img_avail = 1;
 440
 441         }
 442     }
 443
 444     return res;
 445 }
 446
 447 static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t  *ctx,
 448                                   vpx_codec_iter_t      *iter)
 449 {
 450     vpx_image_t *img = NULL;
 451
 452     if (ctx->img_avail)
 453     {
 454         /* iter acts as a flip flop, so an image is only returned on the first
 455          * call to get_frame.
 456          */
 457         if (!(*iter))
 458         {
 459             img = &ctx->img;
 460             *iter = img;
 461         }
 462     }
 463
 464     return img;
 465 }
 466
 467
 468 static
 469 vpx_codec_err_t vp8_xma_get_mmap(const vpx_codec_ctx_t      *ctx,
 470                                  vpx_codec_mmap_t           *mmap,
 471                                  vpx_codec_iter_t           *iter)
 472 {
 473     vpx_codec_err_t     res;
 474     const mem_req_t  *seg_iter = *iter;
 475
 476     /* Get address of next segment request */
 477     do
 478     {
 479         if (!seg_iter)
 480             seg_iter = vp8_mem_req_segs;
 481         else if (seg_iter->id != VP8_SEG_MAX)
 482             seg_iter++;
 483
 484         *iter = (vpx_codec_iter_t)seg_iter;
 485
 486         if (seg_iter->id != VP8_SEG_MAX)
 487         {
 488             mmap->id = seg_iter->id;
 489             mmap->sz = seg_iter->sz;
 490             mmap->align = seg_iter->align;
 491             mmap->flags = seg_iter->flags;
 492
 493             if (!seg_iter->sz)
 494                 mmap->sz = seg_iter->calc_sz(ctx->config.dec, ctx->init_flags);
 495
 496             res = VPX_CODEC_OK;
 497         }
 498         else
 499             res = VPX_CODEC_LIST_END;
 500     }
 501     while (!mmap->sz && res != VPX_CODEC_LIST_END);
 502
 503     return res;
 504 }
 505
 506 static vpx_codec_err_t vp8_xma_set_mmap(vpx_codec_ctx_t         *ctx,
 507                                         const vpx_codec_mmap_t  *mmap)
 508 {
 509     vpx_codec_err_t res = VPX_CODEC_MEM_ERROR;
 510     int i, done;
 511
 512     if (!ctx->priv)
 513     {
 514         if (mmap->id == VP8_SEG_ALG_PRIV)
 515         {
 516             if (!ctx->priv)
 517             {
 518                 vp8_init_ctx(ctx, mmap);
 519                 res = VPX_CODEC_OK;
 520             }
 521         }
 522     }
 523
 524     done = 1;
 525
 526     if (!res && ctx->priv->alg_priv)
 527     {
 528         for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++)
 529         {
 530             if (ctx->priv->alg_priv->mmaps[i].id == mmap->id)
 531                 if (!ctx->priv->alg_priv->mmaps[i].base)
 532                 {
 533                     ctx->priv->alg_priv->mmaps[i] = *mmap;
 534                     res = VPX_CODEC_OK;
 535                 }
 536
 537             done &= (ctx->priv->alg_priv->mmaps[i].base != NULL);
 538         }
 539     }
 540
 541     if (done && !res)
 542     {
 543         vp8_finalize_mmaps(ctx->priv->alg_priv);
 544         res = ctx->iface->init(ctx);
 545     }
 546
 547     return res;
 548 }
 549
 550 static vpx_codec_err_t image2yuvconfig(const vpx_image_t   *img,
 551                                        YV12_BUFFER_CONFIG  *yv12)
 552 {
 553     vpx_codec_err_t        res = VPX_CODEC_OK;
 554     yv12->y_buffer = img->planes[VPX_PLANE_Y];
 555     yv12->u_buffer = img->planes[VPX_PLANE_U];
 556     yv12->v_buffer = img->planes[VPX_PLANE_V];
 557
 558     yv12->y_width  = img->d_w;
 559     yv12->y_height = img->d_h;
 560     yv12->uv_width = yv12->y_width / 2;
 561     yv12->uv_height = yv12->y_height / 2;
 562
 563     yv12->y_stride = img->stride[VPX_PLANE_Y];
 564     yv12->uv_stride = img->stride[VPX_PLANE_U];
 565
 566     yv12->border  = (img->stride[VPX_PLANE_Y] - img->d_w) / 2;
 567     yv12->clrtype = (img->fmt == VPX_IMG_FMT_VPXI420 || img->fmt == VPX_IMG_FMT_VPXYV12);
 568
 569     return res;
 570 }
 571
 572
 573 static vpx_codec_err_t vp8_set_reference(vpx_codec_alg_priv_t *ctx,
 574         int ctr_id,
 575         va_list args)
 576 {
 577
 578     vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
 579
 580     if (data)
 581     {
 582         vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
 583         YV12_BUFFER_CONFIG sd;
 584
 585         image2yuvconfig(&frame->img, &sd);
 586
 587         vp8dx_set_reference(ctx->pbi, frame->frame_type, &sd);
 588         return VPX_CODEC_OK;
 589     }
 590     else
 591         return VPX_CODEC_INVALID_PARAM;
 592
 593 }
 594
 595 static vpx_codec_err_t vp8_get_reference(vpx_codec_alg_priv_t *ctx,
 596         int ctr_id,
 597         va_list args)
 598 {
 599
 600     vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
 601
 602     if (data)
 603     {
 604         vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
 605         YV12_BUFFER_CONFIG sd;
 606
 607         image2yuvconfig(&frame->img, &sd);
 608
 609         vp8dx_get_reference(ctx->pbi, frame->frame_type, &sd);
 610         return VPX_CODEC_OK;
 611     }
 612     else
 613         return VPX_CODEC_INVALID_PARAM;
 614
 615 }
 616
 617 static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx,
 618                                         int ctr_id,
 619                                         va_list args)
 620 {
 621     vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
 622 #if CONFIG_POSTPROC
 623
 624     if (data)
 625     {
 626         ctx->postproc_cfg_set = 1;
 627         ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
 628         return VPX_CODEC_OK;
 629     }
 630     else
 631         return VPX_CODEC_INVALID_PARAM;
 632
 633 #else
 634     return VPX_CODEC_INCAPABLE;
 635 #endif
 636 }
 637
 638 static vpx_codec_err_t vp8_set_dbg_options(vpx_codec_alg_priv_t *ctx,
 639                                         int ctrl_id,
 640                                         va_list args)
 641 {
 642 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
 643     int data = va_arg(args, int);
 644
 645 #define MAP(id, var) case id: var = data; break;
 646
 647     switch (ctrl_id)
 648     {
 649         MAP (VP8_SET_DBG_COLOR_REF_FRAME,   ctx->dbg_color_ref_frame_flag);
 650         MAP (VP8_SET_DBG_COLOR_MB_MODES,    ctx->dbg_color_mb_modes_flag);
 651         MAP (VP8_SET_DBG_COLOR_B_MODES,     ctx->dbg_color_b_modes_flag);
 652         MAP (VP8_SET_DBG_DISPLAY_MV,        ctx->dbg_display_mv_flag);
 653     }
 654
 655     return VPX_CODEC_OK;
 656 #else
 657     return VPX_CODEC_INCAPABLE;
 658 #endif
 659 }
 660
 661 static vpx_codec_err_t vp8_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
 662                                                 int ctrl_id,
 663                                                 va_list args)
 664 {
 665     int *update_info = va_arg(args, int *);
 666     VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
 667
 668     if (update_info)
 669     {
 670         *update_info = pbi->common.refresh_alt_ref_frame * (int) VP8_ALTR_FRAME
 671             + pbi->common.refresh_golden_frame * (int) VP8_GOLD_FRAME
 672             + pbi->common.refresh_last_frame * (int) VP8_LAST_FRAME;
 673
 674         return VPX_CODEC_OK;
 675     }
 676     else
 677         return VPX_CODEC_INVALID_PARAM;
 678 }
 679
 680
 681 static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
 682                                                int ctrl_id,
 683                                                va_list args)
 684 {
 685
 686     int *corrupted = va_arg(args, int *);
 687
 688     if (corrupted)
 689     {
 690         VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
 691         *corrupted = pbi->common.frame_to_show->corrupted;
 692
 693         return VPX_CODEC_OK;
 694     }
 695     else
 696         return VPX_CODEC_INVALID_PARAM;
 697
 698 }
 699
 700 vpx_codec_ctrl_fn_map_t vp8_ctf_maps[] =
 701 {
 702     {VP8_SET_REFERENCE,             vp8_set_reference},
 703     {VP8_COPY_REFERENCE,            vp8_get_reference},
 704     {VP8_SET_POSTPROC,              vp8_set_postproc},
 705     {VP8_SET_DBG_COLOR_REF_FRAME,   vp8_set_dbg_options},
 706     {VP8_SET_DBG_COLOR_MB_MODES,    vp8_set_dbg_options},
 707     {VP8_SET_DBG_COLOR_B_MODES,     vp8_set_dbg_options},
 708     {VP8_SET_DBG_DISPLAY_MV,        vp8_set_dbg_options},
 709     {VP8D_GET_LAST_REF_UPDATES,     vp8_get_last_ref_updates},
 710     {VP8D_GET_FRAME_CORRUPTED,      vp8_get_frame_corrupted},
 711     { -1, NULL},
 712 };
 713
 714
 715 #ifndef VERSION_STRING
 716 #define VERSION_STRING
 717 #endif
 718 CODEC_INTERFACE(vpx_codec_vp8_dx) =
 719 {
 720     "WebM Project VP8 Decoder" VERSION_STRING,
 721     VPX_CODEC_INTERNAL_ABI_VERSION,
 722     VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC,
 723     /* vpx_codec_caps_t          caps; */
 724     vp8_init,         /* vpx_codec_init_fn_t       init; */
 725     vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
 726     vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
 727     vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t   get_mmap; */
 728     vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t   set_mmap; */
 729     {
 730         vp8_peek_si,      /* vpx_codec_peek_si_fn_t    peek_si; */
 731         vp8_get_si,       /* vpx_codec_get_si_fn_t     get_si; */
 732         vp8_decode,       /* vpx_codec_decode_fn_t     decode; */
 733         vp8_get_frame,    /* vpx_codec_frame_get_fn_t  frame_get; */
 734     },
 735     { /* encoder functions */
 736         NOT_IMPLEMENTED,
 737         NOT_IMPLEMENTED,
 738         NOT_IMPLEMENTED,
 739         NOT_IMPLEMENTED,
 740         NOT_IMPLEMENTED,
 741         NOT_IMPLEMENTED
 742     }
 743 };
 744
 745 /*
 746  * BEGIN BACKWARDS COMPATIBILITY SHIM.
 747  */
 748 vpx_codec_iface_t vpx_codec_vp8_algo =
 749 {
 750     "WebM Project VP8 Decoder (Deprecated API)" VERSION_STRING,
 751     VPX_CODEC_INTERNAL_ABI_VERSION,
 752     VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC,
 753     /* vpx_codec_caps_t          caps; */
 754     vp8_init,         /* vpx_codec_init_fn_t       init; */
 755     vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
 756     vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
 757     vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t   get_mmap; */
 758     vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t   set_mmap; */
 759     {
 760         vp8_peek_si,      /* vpx_codec_peek_si_fn_t    peek_si; */
 761         vp8_get_si,       /* vpx_codec_get_si_fn_t     get_si; */
 762         vp8_decode,       /* vpx_codec_decode_fn_t     decode; */
 763         vp8_get_frame,    /* vpx_codec_frame_get_fn_t  frame_get; */
 764     },
 765     { /* encoder functions */
 766         NOT_IMPLEMENTED,
 767         NOT_IMPLEMENTED,
 768         NOT_IMPLEMENTED,
 769         NOT_IMPLEMENTED,
 770         NOT_IMPLEMENTED,
 771         NOT_IMPLEMENTED
 772     }
 773 };