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(vp8_mem_req_segs); 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     /*
 180     ctx->pbi = mmap_lkup(ctx, VP6_SEG_PB_INSTANCE);
 181     ctx->pbi->mbi.block_dx_info[0].idct_output_ptr = mmap_lkup(ctx, VP6_SEG_IDCT_BUFFER);
 182     ctx->pbi->loop_filtered_block = mmap_lkup(ctx, VP6_SEG_LF_BLOCK);
 183     ctx->pbi->huff = mmap_lkup(ctx, VP6_SEG_HUFF);
 184     ctx->pbi->mbi.coeffs_base_ptr = mmap_lkup(ctx, VP6_SEG_COEFFS);
 185     ctx->pbi->fc.above_y = mmap_lkup(ctx, VP6_SEG_ABOVEY);
 186     ctx->pbi->fc.above_u = mmap_lkup(ctx, VP6_SEG_ABOVEU);
 187     ctx->pbi->fc.above_v = mmap_lkup(ctx, VP6_SEG_ABOVEV);
 188     ctx->pbi->prediction_mode = mmap_lkup(ctx, VP6_SEG_PRED_MODES);
 189     ctx->pbi->mbmotion_vector = mmap_lkup(ctx, VP6_SEG_MV_FIELD);
 190     ctx->pbi->fb_storage_ptr[0] = mmap_lkup(ctx, VP6_SEG_IMG0_STRG);
 191     ctx->pbi->fb_storage_ptr[1] = mmap_lkup(ctx, VP6_SEG_IMG1_STRG);
 192     ctx->pbi->fb_storage_ptr[2] = mmap_lkup(ctx, VP6_SEG_IMG2_STRG);
 193     #if CONFIG_POSTPROC
 194     ctx->pbi->postproc.deblock.fragment_variances = mmap_lkup(ctx, VP6_SEG_DEBLOCKER);
 195     ctx->pbi->fb_storage_ptr[3] = mmap_lkup(ctx, VP6_SEG_PP_IMG_STRG);
 196     #endif
 197     */
 198 }
 199
 200 static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx)
 201 {
 202     vpx_codec_err_t        res = VPX_CODEC_OK;
 203
 204     /* This function only allocates space for the vpx_codec_alg_priv_t
 205      * structure. More memory may be required at the time the stream
 206      * information becomes known.
 207      */
 208     if (!ctx->priv)
 209     {
 210         vpx_codec_mmap_t mmap;
 211
 212         mmap.id = vp8_mem_req_segs[0].id;
 213         mmap.sz = sizeof(vpx_codec_alg_priv_t);
 214         mmap.align = vp8_mem_req_segs[0].align;
 215         mmap.flags = vp8_mem_req_segs[0].flags;
 216
 217         res = vp8_mmap_alloc(&mmap);
 218
 219         if (!res)
 220         {
 221             vp8_init_ctx(ctx, &mmap);
 222
 223             ctx->priv->alg_priv->defer_alloc = 1;
 224             /*post processing level initialized to do nothing */
 225         }
 226     }
 227
 228     return res;
 229 }
 230
 231 static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx)
 232 {
 233     int i;
 234
 235     vp8dx_remove_decompressor(ctx->pbi);
 236
 237     for (i = NELEMENTS(ctx->mmaps) - 1; i >= 0; i--)
 238     {
 239         if (ctx->mmaps[i].dtor)
 240             ctx->mmaps[i].dtor(&ctx->mmaps[i]);
 241     }
 242
 243     return VPX_CODEC_OK;
 244 }
 245
 246 static vpx_codec_err_t vp8_peek_si(const uint8_t         *data,
 247                                    unsigned int           data_sz,
 248                                    vpx_codec_stream_info_t *si)
 249 {
 250     vpx_codec_err_t res = VPX_CODEC_OK;
 251
 252     if(data + data_sz <= data)
 253         res = VPX_CODEC_INVALID_PARAM;
 254     else
 255     {
 256         /* Parse uncompresssed part of key frame header.
 257          * 3 bytes:- including version, frame type and an offset
 258          * 3 bytes:- sync code (0x9d, 0x01, 0x2a)
 259          * 4 bytes:- including image width and height in the lowest 14 bits
 260          *           of each 2-byte value.
 261          */
 262         si->is_kf = 0;
 263
 264         if (data_sz >= 10 && !(data[0] & 0x01))  /* I-Frame */
 265         {
 266             const uint8_t *c = data + 3;
 267             si->is_kf = 1;
 268
 269             /* vet via sync code */
 270             if (c[0] != 0x9d || c[1] != 0x01 || c[2] != 0x2a)
 271                 res = VPX_CODEC_UNSUP_BITSTREAM;
 272
 273             si->w = (c[3] | (c[4] << 8)) & 0x3fff;
 274             si->h = (c[5] | (c[6] << 8)) & 0x3fff;
 275
 276             /*printf("w=%d, h=%d\n", si->w, si->h);*/
 277             if (!(si->h | si->w))
 278                 res = VPX_CODEC_UNSUP_BITSTREAM;
 279         }
 280         else
 281             res = VPX_CODEC_UNSUP_BITSTREAM;
 282     }
 283
 284     return res;
 285
 286 }
 287
 288 static vpx_codec_err_t vp8_get_si(vpx_codec_alg_priv_t    *ctx,
 289                                   vpx_codec_stream_info_t *si)
 290 {
 291
 292     unsigned int sz;
 293
 294     if (si->sz >= sizeof(vp8_stream_info_t))
 295         sz = sizeof(vp8_stream_info_t);
 296     else
 297         sz = sizeof(vpx_codec_stream_info_t);
 298
 299     memcpy(si, &ctx->si, sz);
 300     si->sz = sz;
 301
 302     return VPX_CODEC_OK;
 303 }
 304
 305
 306 static vpx_codec_err_t
 307 update_error_state(vpx_codec_alg_priv_t                 *ctx,
 308                    const struct vpx_internal_error_info *error)
 309 {
 310     vpx_codec_err_t res;
 311
 312     if ((res = error->error_code))
 313         ctx->base.err_detail = error->has_detail
 314                                ? error->detail
 315                                : NULL;
 316
 317     return res;
 318 }
 319
 320
 321 static vpx_codec_err_t vp8_decode(vpx_codec_alg_priv_t  *ctx,
 322                                   const uint8_t         *data,
 323                                   unsigned int            data_sz,
 324                                   void                    *user_priv,
 325                                   long                    deadline)
 326 {
 327     vpx_codec_err_t res = VPX_CODEC_OK;
 328
 329     ctx->img_avail = 0;
 330
 331     /* Determine the stream parameters. Note that we rely on peek_si to
 332      * validate that we have a buffer that does not wrap around the top
 333      * of the heap.
 334      */
 335     if (!ctx->si.h)
 336         res = ctx->base.iface->dec.peek_si(data, data_sz, &ctx->si);
 337
 338
 339     /* Perform deferred allocations, if required */
 340     if (!res && ctx->defer_alloc)
 341     {
 342         int i;
 343
 344         for (i = 1; !res && i < NELEMENTS(ctx->mmaps); i++)
 345         {
 346             vpx_codec_dec_cfg_t cfg;
 347
 348             cfg.w = ctx->si.w;
 349             cfg.h = ctx->si.h;
 350             ctx->mmaps[i].id = vp8_mem_req_segs[i].id;
 351             ctx->mmaps[i].sz = vp8_mem_req_segs[i].sz;
 352             ctx->mmaps[i].align = vp8_mem_req_segs[i].align;
 353             ctx->mmaps[i].flags = vp8_mem_req_segs[i].flags;
 354
 355             if (!ctx->mmaps[i].sz)
 356                 ctx->mmaps[i].sz = vp8_mem_req_segs[i].calc_sz(&cfg,
 357                                    ctx->base.init_flags);
 358
 359             res = vp8_mmap_alloc(&ctx->mmaps[i]);
 360         }
 361
 362         if (!res)
 363             vp8_finalize_mmaps(ctx);
 364
 365         ctx->defer_alloc = 0;
 366     }
 367
 368     /* Initialize the decoder instance on the first frame*/
 369     if (!res && !ctx->decoder_init)
 370     {
 371         res = vp8_validate_mmaps(&ctx->si, ctx->mmaps, ctx->base.init_flags);
 372
 373         if (!res)
 374         {
 375             VP8D_CONFIG oxcf;
 376             VP8D_PTR optr;
 377
 378             vp8dx_initialize();
 379
 380             oxcf.Width = ctx->si.w;
 381             oxcf.Height = ctx->si.h;
 382             oxcf.Version = 9;
 383             oxcf.postprocess = 0;
 384             oxcf.max_threads = ctx->cfg.threads;
 385
 386             optr = vp8dx_create_decompressor(&oxcf);
 387
 388             /* If postprocessing was enabled by the application and a
 389              * configuration has not been provided, default it.
 390              */
 391             if (!ctx->postproc_cfg_set
 392                 && (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC))
 393             {
 394                 ctx->postproc_cfg.post_proc_flag =
 395                     VP8_DEBLOCK | VP8_DEMACROBLOCK;
 396                 ctx->postproc_cfg.deblocking_level = 4;
 397                 ctx->postproc_cfg.noise_level = 0;
 398             }
 399
 400             if (!optr)
 401                 res = VPX_CODEC_ERROR;
 402             else
 403                 ctx->pbi = optr;
 404         }
 405
 406         ctx->decoder_init = 1;
 407     }
 408
 409     if (!res && ctx->pbi)
 410     {
 411         YV12_BUFFER_CONFIG sd;
 412         INT64 time_stamp = 0, time_end_stamp = 0;
 413         vp8_ppflags_t flags = {0};
 414
 415         if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
 416         {
 417             flags.post_proc_flag= ctx->postproc_cfg.post_proc_flag
 418 #if CONFIG_POSTPROC_VISUALIZER
 419
 420                                 | ((ctx->dbg_color_ref_frame_flag != 0) ? VP8D_DEBUG_CLR_FRM_REF_BLKS : 0)
 421                                 | ((ctx->dbg_color_mb_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
 422                                 | ((ctx->dbg_color_b_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
 423                                 | ((ctx->dbg_display_mv_flag != 0) ? VP8D_DEBUG_DRAW_MV : 0)
 424 #endif
 425                                 ;
 426             flags.deblocking_level      = ctx->postproc_cfg.deblocking_level;
 427             flags.noise_level           = ctx->postproc_cfg.noise_level;
 428 #if CONFIG_POSTPROC_VISUALIZER
 429             flags.display_ref_frame_flag= ctx->dbg_color_ref_frame_flag;
 430             flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag;
 431             flags.display_b_modes_flag  = ctx->dbg_color_b_modes_flag;
 432             flags.display_mv_flag       = ctx->dbg_display_mv_flag;
 433 #endif
 434         }
 435
 436         if (vp8dx_receive_compressed_data(ctx->pbi, data_sz, data, deadline))
 437         {
 438             VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
 439             res = update_error_state(ctx, &pbi->common.error);
 440         }
 441
 442         if (!res && 0 == vp8dx_get_raw_frame(ctx->pbi, &sd, &time_stamp, &time_end_stamp, &flags))
 443         {
 444             /* Align width/height */
 445             unsigned int a_w = (sd.y_width + 15) & ~15;
 446             unsigned int a_h = (sd.y_height + 15) & ~15;
 447
 448             vpx_img_wrap(&ctx->img, VPX_IMG_FMT_I420,
 449                          a_w + 2 * VP8BORDERINPIXELS,
 450                          a_h + 2 * VP8BORDERINPIXELS,
 451                          1,
 452                          sd.buffer_alloc);
 453             vpx_img_set_rect(&ctx->img,
 454                              VP8BORDERINPIXELS, VP8BORDERINPIXELS,
 455                              sd.y_width, sd.y_height);
 456             ctx->img.user_priv = user_priv;
 457             ctx->img_avail = 1;
 458
 459         }
 460     }
 461
 462     return res;
 463 }
 464
 465 static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t  *ctx,
 466                                   vpx_codec_iter_t      *iter)
 467 {
 468     vpx_image_t *img = NULL;
 469
 470     if (ctx->img_avail)
 471     {
 472         /* iter acts as a flip flop, so an image is only returned on the first
 473          * call to get_frame.
 474          */
 475         if (!(*iter))
 476         {
 477             img = &ctx->img;
 478             *iter = img;
 479         }
 480     }
 481
 482     return img;
 483 }
 484
 485
 486 static
 487 vpx_codec_err_t vp8_xma_get_mmap(const vpx_codec_ctx_t      *ctx,
 488                                  vpx_codec_mmap_t           *mmap,
 489                                  vpx_codec_iter_t           *iter)
 490 {
 491     vpx_codec_err_t     res;
 492     const mem_req_t  *seg_iter = *iter;
 493
 494     /* Get address of next segment request */
 495     do
 496     {
 497         if (!seg_iter)
 498             seg_iter = vp8_mem_req_segs;
 499         else if (seg_iter->id != VP8_SEG_MAX)
 500             seg_iter++;
 501
 502         *iter = (vpx_codec_iter_t)seg_iter;
 503
 504         if (seg_iter->id != VP8_SEG_MAX)
 505         {
 506             mmap->id = seg_iter->id;
 507             mmap->sz = seg_iter->sz;
 508             mmap->align = seg_iter->align;
 509             mmap->flags = seg_iter->flags;
 510
 511             if (!seg_iter->sz)
 512                 mmap->sz = seg_iter->calc_sz(ctx->config.dec, ctx->init_flags);
 513
 514             res = VPX_CODEC_OK;
 515         }
 516         else
 517             res = VPX_CODEC_LIST_END;
 518     }
 519     while (!mmap->sz && res != VPX_CODEC_LIST_END);
 520
 521     return res;
 522 }
 523
 524 static vpx_codec_err_t vp8_xma_set_mmap(vpx_codec_ctx_t         *ctx,
 525                                         const vpx_codec_mmap_t  *mmap)
 526 {
 527     vpx_codec_err_t res = VPX_CODEC_MEM_ERROR;
 528     int i, done;
 529
 530     if (!ctx->priv)
 531     {
 532         if (mmap->id == VP8_SEG_ALG_PRIV)
 533         {
 534             if (!ctx->priv)
 535             {
 536                 vp8_init_ctx(ctx, mmap);
 537                 res = VPX_CODEC_OK;
 538             }
 539         }
 540     }
 541
 542     done = 1;
 543
 544     if (!res && ctx->priv->alg_priv)
 545     {
 546         for (i = 0; i < NELEMENTS(vp8_mem_req_segs); i++)
 547         {
 548             if (ctx->priv->alg_priv->mmaps[i].id == mmap->id)
 549                 if (!ctx->priv->alg_priv->mmaps[i].base)
 550                 {
 551                     ctx->priv->alg_priv->mmaps[i] = *mmap;
 552                     res = VPX_CODEC_OK;
 553                 }
 554
 555             done &= (ctx->priv->alg_priv->mmaps[i].base != NULL);
 556         }
 557     }
 558
 559     if (done && !res)
 560     {
 561         vp8_finalize_mmaps(ctx->priv->alg_priv);
 562         res = ctx->iface->init(ctx);
 563     }
 564
 565     return res;
 566 }
 567
 568 static vpx_codec_err_t image2yuvconfig(const vpx_image_t   *img,
 569                                        YV12_BUFFER_CONFIG  *yv12)
 570 {
 571     vpx_codec_err_t        res = VPX_CODEC_OK;
 572     yv12->y_buffer = img->planes[VPX_PLANE_Y];
 573     yv12->u_buffer = img->planes[VPX_PLANE_U];
 574     yv12->v_buffer = img->planes[VPX_PLANE_V];
 575
 576     yv12->y_width  = img->d_w;
 577     yv12->y_height = img->d_h;
 578     yv12->uv_width = yv12->y_width / 2;
 579     yv12->uv_height = yv12->y_height / 2;
 580
 581     yv12->y_stride = img->stride[VPX_PLANE_Y];
 582     yv12->uv_stride = img->stride[VPX_PLANE_U];
 583
 584     yv12->border  = (img->stride[VPX_PLANE_Y] - img->d_w) / 2;
 585     yv12->clrtype = (img->fmt == VPX_IMG_FMT_VPXI420 || img->fmt == VPX_IMG_FMT_VPXYV12);
 586
 587     return res;
 588 }
 589
 590
 591 static vpx_codec_err_t vp8_set_reference(vpx_codec_alg_priv_t *ctx,
 592         int ctr_id,
 593         va_list args)
 594 {
 595
 596     vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
 597
 598     if (data)
 599     {
 600         vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
 601         YV12_BUFFER_CONFIG sd;
 602
 603         image2yuvconfig(&frame->img, &sd);
 604
 605         vp8dx_set_reference(ctx->pbi, frame->frame_type, &sd);
 606         return VPX_CODEC_OK;
 607     }
 608     else
 609         return VPX_CODEC_INVALID_PARAM;
 610
 611 }
 612
 613 static vpx_codec_err_t vp8_get_reference(vpx_codec_alg_priv_t *ctx,
 614         int ctr_id,
 615         va_list args)
 616 {
 617
 618     vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
 619
 620     if (data)
 621     {
 622         vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
 623         YV12_BUFFER_CONFIG sd;
 624
 625         image2yuvconfig(&frame->img, &sd);
 626
 627         vp8dx_get_reference(ctx->pbi, frame->frame_type, &sd);
 628         return VPX_CODEC_OK;
 629     }
 630     else
 631         return VPX_CODEC_INVALID_PARAM;
 632
 633 }
 634
 635 static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx,
 636                                         int ctr_id,
 637                                         va_list args)
 638 {
 639     vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
 640 #if CONFIG_POSTPROC
 641
 642     if (data)
 643     {
 644         ctx->postproc_cfg_set = 1;
 645         ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
 646         return VPX_CODEC_OK;
 647     }
 648     else
 649         return VPX_CODEC_INVALID_PARAM;
 650
 651 #else
 652     return VPX_CODEC_INCAPABLE;
 653 #endif
 654 }
 655
 656 static vpx_codec_err_t vp8_set_dbg_options(vpx_codec_alg_priv_t *ctx,
 657                                         int ctrl_id,
 658                                         va_list args)
 659 {
 660 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
 661     int data = va_arg(args, int);
 662
 663 #define MAP(id, var) case id: var = data; break;
 664
 665     switch (ctrl_id)
 666     {
 667         MAP (VP8_SET_DBG_COLOR_REF_FRAME,   ctx->dbg_color_ref_frame_flag);
 668         MAP (VP8_SET_DBG_COLOR_MB_MODES,    ctx->dbg_color_mb_modes_flag);
 669         MAP (VP8_SET_DBG_COLOR_B_MODES,     ctx->dbg_color_b_modes_flag);
 670         MAP (VP8_SET_DBG_DISPLAY_MV,        ctx->dbg_display_mv_flag);
 671     }
 672
 673     return VPX_CODEC_OK;
 674 #else
 675     return VPX_CODEC_INCAPABLE;
 676 #endif
 677 }
 678
 679 static vpx_codec_err_t vp8_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
 680                                                 int ctrl_id,
 681                                                 va_list args)
 682 {
 683     int *update_info = va_arg(args, int *);
 684     VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
 685
 686     if (update_info)
 687     {
 688         *update_info = pbi->common.refresh_alt_ref_frame * (int) VP8_ALTR_FRAME
 689             + pbi->common.refresh_golden_frame * (int) VP8_GOLD_FRAME
 690             + pbi->common.refresh_last_frame * (int) VP8_LAST_FRAME;
 691
 692         return VPX_CODEC_OK;
 693     }
 694     else
 695         return VPX_CODEC_INVALID_PARAM;
 696 }
 697
 698
 699 static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
 700                                                int ctrl_id,
 701                                                va_list args)
 702 {
 703
 704     int *corrupted = va_arg(args, int *);
 705
 706     if (corrupted)
 707     {
 708         VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
 709         *corrupted = pbi->common.frame_to_show->corrupted;
 710
 711         return VPX_CODEC_OK;
 712     }
 713     else
 714         return VPX_CODEC_INVALID_PARAM;
 715
 716 }
 717
 718 vpx_codec_ctrl_fn_map_t vp8_ctf_maps[] =
 719 {
 720     {VP8_SET_REFERENCE,             vp8_set_reference},
 721     {VP8_COPY_REFERENCE,            vp8_get_reference},
 722     {VP8_SET_POSTPROC,              vp8_set_postproc},
 723     {VP8_SET_DBG_COLOR_REF_FRAME,   vp8_set_dbg_options},
 724     {VP8_SET_DBG_COLOR_MB_MODES,    vp8_set_dbg_options},
 725     {VP8_SET_DBG_COLOR_B_MODES,     vp8_set_dbg_options},
 726     {VP8_SET_DBG_DISPLAY_MV,        vp8_set_dbg_options},
 727     {VP8D_GET_LAST_REF_UPDATES,     vp8_get_last_ref_updates},
 728     {VP8D_GET_FRAME_CORRUPTED,      vp8_get_frame_corrupted},
 729     { -1, NULL},
 730 };
 731
 732
 733 #ifndef VERSION_STRING
 734 #define VERSION_STRING
 735 #endif
 736 CODEC_INTERFACE(vpx_codec_vp8_dx) =
 737 {
 738     "WebM Project VP8 Decoder" VERSION_STRING,
 739     VPX_CODEC_INTERNAL_ABI_VERSION,
 740     VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC,
 741     /* vpx_codec_caps_t          caps; */
 742     vp8_init,         /* vpx_codec_init_fn_t       init; */
 743     vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
 744     vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
 745     vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t   get_mmap; */
 746     vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t   set_mmap; */
 747     {
 748         vp8_peek_si,      /* vpx_codec_peek_si_fn_t    peek_si; */
 749         vp8_get_si,       /* vpx_codec_get_si_fn_t     get_si; */
 750         vp8_decode,       /* vpx_codec_decode_fn_t     decode; */
 751         vp8_get_frame,    /* vpx_codec_frame_get_fn_t  frame_get; */
 752     },
 753     { /* encoder functions */
 754         NOT_IMPLEMENTED,
 755         NOT_IMPLEMENTED,
 756         NOT_IMPLEMENTED,
 757         NOT_IMPLEMENTED,
 758         NOT_IMPLEMENTED,
 759         NOT_IMPLEMENTED
 760     }
 761 };
 762
 763 /*
 764  * BEGIN BACKWARDS COMPATIBILITY SHIM.
 765  */
 766 vpx_codec_iface_t vpx_codec_vp8_algo =
 767 {
 768     "WebM Project VP8 Decoder (Deprecated API)" VERSION_STRING,
 769     VPX_CODEC_INTERNAL_ABI_VERSION,
 770     VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC,
 771     /* vpx_codec_caps_t          caps; */
 772     vp8_init,         /* vpx_codec_init_fn_t       init; */
 773     vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
 774     vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
 775     vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t   get_mmap; */
 776     vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t   set_mmap; */
 777     {
 778         vp8_peek_si,      /* vpx_codec_peek_si_fn_t    peek_si; */
 779         vp8_get_si,       /* vpx_codec_get_si_fn_t     get_si; */
 780         vp8_decode,       /* vpx_codec_decode_fn_t     decode; */
 781         vp8_get_frame,    /* vpx_codec_frame_get_fn_t  frame_get; */
 782     },
 783     { /* encoder functions */
 784         NOT_IMPLEMENTED,
 785         NOT_IMPLEMENTED,
 786         NOT_IMPLEMENTED,
 787         NOT_IMPLEMENTED,
 788         NOT_IMPLEMENTED,
 789         NOT_IMPLEMENTED
 790     }
 791 };