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 "onyxd.h"
  19 #include "onyxd_int.h"
  20
  21 #define VP8_CAP_POSTPROC (CONFIG_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
  22
  23 #if CONFIG_BIG_ENDIAN
  24 # define swap4(d)\
  25     ((d&0x000000ff)<<24) |  \
  26     ((d&0x0000ff00)<<8)  |  \
  27     ((d&0x00ff0000)>>8)  |  \
  28     ((d&0xff000000)>>24)
  29 # define swap2(d)\
  30     ((d&0x000000ff)<<8) |  \
  31     ((d&0x0000ff00)>>8)
  32 #else
  33 # define swap4(d) d
  34 # define swap2(d) d
  35 #endif
  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 static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t);
  47
  48 typedef struct
  49 {
  50     unsigned int   id;
  51     unsigned long  sz;
  52     unsigned int   align;
  53     unsigned int   flags;
  54     unsigned long(*calc_sz)(const vpx_codec_dec_cfg_t *, vpx_codec_flags_t);
  55 } mem_req_t;
  56
  57 static const mem_req_t vp8_mem_req_segs[] =
  58 {
  59     {VP8_SEG_ALG_PRIV,    0, 8, VPX_CODEC_MEM_ZERO, vp8_priv_sz},
  60     {VP8_SEG_MAX, 0, 0, 0, NULL}
  61 };
  62
  63 struct vpx_codec_alg_priv
  64 {
  65     vpx_codec_priv_t        base;
  66     vpx_codec_mmap_t        mmaps[NELEMENTS(vp8_mem_req_segs)-1];
  67     vpx_codec_dec_cfg_t     cfg;
  68     vp8_stream_info_t       si;
  69     int                     defer_alloc;
  70     int                     decoder_init;
  71     VP8D_PTR                pbi;
  72     int                     postproc_cfg_set;
  73     vp8_postproc_cfg_t      postproc_cfg;
  74 #if CONFIG_POSTPROC_VISUALIZER
  75     unsigned int            dbg_postproc_flag;
  76     int                     dbg_color_ref_frame_flag;
  77     int                     dbg_color_mb_modes_flag;
  78     int                     dbg_color_b_modes_flag;
  79     int                     dbg_display_mv_flag;
  80 #endif
  81     vpx_image_t             img;
  82     int                     img_setup;
  83     int                     img_avail;
  84 };
  85
  86 static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t flags)
  87 {
  88     /* Although this declaration is constant, we can't use it in the requested
  89      * segments list because we want to define the requested segments list
  90      * before defining the private type (so that the number of memory maps is
  91      * known)
  92      */
  93     (void)si;
  94     return sizeof(vpx_codec_alg_priv_t);
  95 }
  96
  97
  98 static void vp8_mmap_dtor(vpx_codec_mmap_t *mmap)
  99 {
 100     free(mmap->priv);
 101 }
 102
 103 static vpx_codec_err_t vp8_mmap_alloc(vpx_codec_mmap_t *mmap)
 104 {
 105     vpx_codec_err_t  res;
 106     unsigned int   align;
 107
 108     align = mmap->align ? mmap->align - 1 : 0;
 109
 110     if (mmap->flags & VPX_CODEC_MEM_ZERO)
 111         mmap->priv = calloc(1, mmap->sz + align);
 112     else
 113         mmap->priv = malloc(mmap->sz + align);
 114
 115     res = (mmap->priv) ? VPX_CODEC_OK : VPX_CODEC_MEM_ERROR;
 116     mmap->base = (void *)((((uintptr_t)mmap->priv) + align) & ~(uintptr_t)align);
 117     mmap->dtor = vp8_mmap_dtor;
 118     return res;
 119 }
 120
 121 static vpx_codec_err_t vp8_validate_mmaps(const vp8_stream_info_t *si,
 122         const vpx_codec_mmap_t        *mmaps,
 123         vpx_codec_flags_t              init_flags)
 124 {
 125     int i;
 126     vpx_codec_err_t res = VPX_CODEC_OK;
 127
 128     for (i = 0; i < NELEMENTS(vp8_mem_req_segs) - 1; i++)
 129     {
 130         /* Ensure the segment has been allocated */
 131         if (!mmaps[i].base)
 132         {
 133             res = VPX_CODEC_MEM_ERROR;
 134             break;
 135         }
 136
 137         /* Verify variable size segment is big enough for the current si. */
 138         if (vp8_mem_req_segs[i].calc_sz)
 139         {
 140             vpx_codec_dec_cfg_t cfg;
 141
 142             cfg.w = si->w;
 143             cfg.h = si->h;
 144
 145             if (mmaps[i].sz < vp8_mem_req_segs[i].calc_sz(&cfg, init_flags))
 146             {
 147                 res = VPX_CODEC_MEM_ERROR;
 148                 break;
 149             }
 150         }
 151     }
 152
 153     return res;
 154 }
 155
 156 static void vp8_init_ctx(vpx_codec_ctx_t *ctx, const vpx_codec_mmap_t *mmap)
 157 {
 158     int i;
 159
 160     ctx->priv = mmap->base;
 161     ctx->priv->sz = sizeof(*ctx->priv);
 162     ctx->priv->iface = ctx->iface;
 163     ctx->priv->alg_priv = mmap->base;
 164
 165     for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++)
 166         ctx->priv->alg_priv->mmaps[i].id = vp8_mem_req_segs[i].id;
 167
 168     ctx->priv->alg_priv->mmaps[0] = *mmap;
 169     ctx->priv->alg_priv->si.sz = sizeof(ctx->priv->alg_priv->si);
 170     ctx->priv->init_flags = ctx->init_flags;
 171
 172     if (ctx->config.dec)
 173     {
 174         /* Update the reference to the config structure to an internal copy. */
 175         ctx->priv->alg_priv->cfg = *ctx->config.dec;
 176         ctx->config.dec = &ctx->priv->alg_priv->cfg;
 177     }
 178 }
 179
 180 static void *mmap_lkup(vpx_codec_alg_priv_t *ctx, unsigned int id)
 181 {
 182     int i;
 183
 184     for (i = 0; i < NELEMENTS(vp8_mem_req_segs); i++)
 185         if (ctx->mmaps[i].id == id)
 186             return ctx->mmaps[i].base;
 187
 188     return NULL;
 189 }
 190 static void vp8_finalize_mmaps(vpx_codec_alg_priv_t *ctx)
 191 {
 192     /*
 193     ctx->pbi = mmap_lkup(ctx, VP6_SEG_PB_INSTANCE);
 194     ctx->pbi->mbi.block_dx_info[0].idct_output_ptr = mmap_lkup(ctx, VP6_SEG_IDCT_BUFFER);
 195     ctx->pbi->loop_filtered_block = mmap_lkup(ctx, VP6_SEG_LF_BLOCK);
 196     ctx->pbi->huff = mmap_lkup(ctx, VP6_SEG_HUFF);
 197     ctx->pbi->mbi.coeffs_base_ptr = mmap_lkup(ctx, VP6_SEG_COEFFS);
 198     ctx->pbi->fc.above_y = mmap_lkup(ctx, VP6_SEG_ABOVEY);
 199     ctx->pbi->fc.above_u = mmap_lkup(ctx, VP6_SEG_ABOVEU);
 200     ctx->pbi->fc.above_v = mmap_lkup(ctx, VP6_SEG_ABOVEV);
 201     ctx->pbi->prediction_mode = mmap_lkup(ctx, VP6_SEG_PRED_MODES);
 202     ctx->pbi->mbmotion_vector = mmap_lkup(ctx, VP6_SEG_MV_FIELD);
 203     ctx->pbi->fb_storage_ptr[0] = mmap_lkup(ctx, VP6_SEG_IMG0_STRG);
 204     ctx->pbi->fb_storage_ptr[1] = mmap_lkup(ctx, VP6_SEG_IMG1_STRG);
 205     ctx->pbi->fb_storage_ptr[2] = mmap_lkup(ctx, VP6_SEG_IMG2_STRG);
 206     #if CONFIG_POSTPROC
 207     ctx->pbi->postproc.deblock.fragment_variances = mmap_lkup(ctx, VP6_SEG_DEBLOCKER);
 208     ctx->pbi->fb_storage_ptr[3] = mmap_lkup(ctx, VP6_SEG_PP_IMG_STRG);
 209     #endif
 210     */
 211 }
 212
 213 static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx)
 214 {
 215     vpx_codec_err_t        res = VPX_CODEC_OK;
 216
 217     /* This function only allocates space for the vpx_codec_alg_priv_t
 218      * structure. More memory may be required at the time the stream
 219      * information becomes known.
 220      */
 221     if (!ctx->priv)
 222     {
 223         vpx_codec_mmap_t mmap;
 224
 225         mmap.id = vp8_mem_req_segs[0].id;
 226         mmap.sz = sizeof(vpx_codec_alg_priv_t);
 227         mmap.align = vp8_mem_req_segs[0].align;
 228         mmap.flags = vp8_mem_req_segs[0].flags;
 229
 230         res = vp8_mmap_alloc(&mmap);
 231
 232         if (!res)
 233         {
 234             vp8_init_ctx(ctx, &mmap);
 235
 236             ctx->priv->alg_priv->defer_alloc = 1;
 237             /*post processing level initialized to do nothing */
 238         }
 239     }
 240
 241     return res;
 242 }
 243
 244 static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx)
 245 {
 246     int i;
 247
 248     vp8dx_remove_decompressor(ctx->pbi);
 249
 250     for (i = NELEMENTS(ctx->mmaps) - 1; i >= 0; i--)
 251     {
 252         if (ctx->mmaps[i].dtor)
 253             ctx->mmaps[i].dtor(&ctx->mmaps[i]);
 254     }
 255
 256     return VPX_CODEC_OK;
 257 }
 258
 259 static vpx_codec_err_t vp8_peek_si(const uint8_t         *data,
 260                                    unsigned int           data_sz,
 261                                    vpx_codec_stream_info_t *si)
 262 {
 263     vpx_codec_err_t res = VPX_CODEC_OK;
 264
 265     if(data + data_sz <= data)
 266         res = VPX_CODEC_INVALID_PARAM;
 267     else
 268     {
 269         /* Parse uncompresssed part of key frame header.
 270          * 3 bytes:- including version, frame type and an offset
 271          * 3 bytes:- sync code (0x9d, 0x01, 0x2a)
 272          * 4 bytes:- including image width and height in the lowest 14 bits
 273          *           of each 2-byte value.
 274          */
 275         si->is_kf = 0;
 276
 277         if (data_sz >= 10 && !(data[0] & 0x01))  /* I-Frame */
 278         {
 279             const uint8_t *c = data + 3;
 280             si->is_kf = 1;
 281
 282             /* vet via sync code */
 283             if (c[0] != 0x9d || c[1] != 0x01 || c[2] != 0x2a)
 284                 res = VPX_CODEC_UNSUP_BITSTREAM;
 285
 286             si->w = swap2(*(const unsigned short *)(c + 3)) & 0x3fff;
 287             si->h = swap2(*(const unsigned short *)(c + 5)) & 0x3fff;
 288
 289             /*printf("w=%d, h=%d\n", si->w, si->h);*/
 290             if (!(si->h | si->w))
 291                 res = VPX_CODEC_UNSUP_BITSTREAM;
 292         }
 293         else
 294             res = VPX_CODEC_UNSUP_BITSTREAM;
 295     }
 296
 297     return res;
 298
 299 }
 300
 301 static vpx_codec_err_t vp8_get_si(vpx_codec_alg_priv_t    *ctx,
 302                                   vpx_codec_stream_info_t *si)
 303 {
 304
 305     unsigned int sz;
 306
 307     if (si->sz >= sizeof(vp8_stream_info_t))
 308         sz = sizeof(vp8_stream_info_t);
 309     else
 310         sz = sizeof(vpx_codec_stream_info_t);
 311
 312     memcpy(si, &ctx->si, sz);
 313     si->sz = sz;
 314
 315     return VPX_CODEC_OK;
 316 }
 317
 318
 319 static vpx_codec_err_t
 320 update_error_state(vpx_codec_alg_priv_t                 *ctx,
 321                    const struct vpx_internal_error_info *error)
 322 {
 323     vpx_codec_err_t res;
 324
 325     if ((res = error->error_code))
 326         ctx->base.err_detail = error->has_detail
 327                                ? error->detail
 328                                : NULL;
 329
 330     return res;
 331 }
 332
 333
 334 static vpx_codec_err_t vp8_decode(vpx_codec_alg_priv_t  *ctx,
 335                                   const uint8_t         *data,
 336                                   unsigned int            data_sz,
 337                                   void                    *user_priv,
 338                                   long                    deadline)
 339 {
 340     vpx_codec_err_t res = VPX_CODEC_OK;
 341
 342     ctx->img_avail = 0;
 343
 344     /* Determine the stream parameters. Note that we rely on peek_si to
 345      * validate that we have a buffer that does not wrap around the top
 346      * of the heap.
 347      */
 348     if (!ctx->si.h)
 349         res = ctx->base.iface->dec.peek_si(data, data_sz, &ctx->si);
 350
 351
 352     /* Perform deferred allocations, if required */
 353     if (!res && ctx->defer_alloc)
 354     {
 355         int i;
 356
 357         for (i = 1; !res && i < NELEMENTS(ctx->mmaps); i++)
 358         {
 359             vpx_codec_dec_cfg_t cfg;
 360
 361             cfg.w = ctx->si.w;
 362             cfg.h = ctx->si.h;
 363             ctx->mmaps[i].id = vp8_mem_req_segs[i].id;
 364             ctx->mmaps[i].sz = vp8_mem_req_segs[i].sz;
 365             ctx->mmaps[i].align = vp8_mem_req_segs[i].align;
 366             ctx->mmaps[i].flags = vp8_mem_req_segs[i].flags;
 367
 368             if (!ctx->mmaps[i].sz)
 369                 ctx->mmaps[i].sz = vp8_mem_req_segs[i].calc_sz(&cfg,
 370                                    ctx->base.init_flags);
 371
 372             res = vp8_mmap_alloc(&ctx->mmaps[i]);
 373         }
 374
 375         if (!res)
 376             vp8_finalize_mmaps(ctx);
 377
 378         ctx->defer_alloc = 0;
 379     }
 380
 381     /* Initialize the decoder instance on the first frame*/
 382     if (!res && !ctx->decoder_init)
 383     {
 384         res = vp8_validate_mmaps(&ctx->si, ctx->mmaps, ctx->base.init_flags);
 385
 386         if (!res)
 387         {
 388             VP8D_CONFIG oxcf;
 389             VP8D_PTR optr;
 390
 391             vp8dx_initialize();
 392
 393             oxcf.Width = ctx->si.w;
 394             oxcf.Height = ctx->si.h;
 395             oxcf.Version = 9;
 396             oxcf.postprocess = 0;
 397             oxcf.max_threads = ctx->cfg.threads;
 398
 399             optr = vp8dx_create_decompressor(&oxcf);
 400
 401             /* If postprocessing was enabled by the application and a
 402              * configuration has not been provided, default it.
 403              */
 404             if (!ctx->postproc_cfg_set
 405                 && (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC))
 406             {
 407                 ctx->postproc_cfg.post_proc_flag =
 408                     VP8_DEBLOCK | VP8_DEMACROBLOCK;
 409                 ctx->postproc_cfg.deblocking_level = 4;
 410                 ctx->postproc_cfg.noise_level = 0;
 411             }
 412
 413             if (!optr)
 414                 res = VPX_CODEC_ERROR;
 415             else
 416                 ctx->pbi = optr;
 417         }
 418
 419         ctx->decoder_init = 1;
 420     }
 421
 422     if (!res && ctx->pbi)
 423     {
 424         YV12_BUFFER_CONFIG sd;
 425         INT64 time_stamp = 0, time_end_stamp = 0;
 426         vp8_ppflags_t flags = {0};
 427
 428         if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
 429         {
 430             flags.post_proc_flag= ctx->postproc_cfg.post_proc_flag
 431 #if CONFIG_POSTPROC_VISUALIZER
 432
 433                                 | ((ctx->dbg_color_ref_frame_flag != 0) ? VP8D_DEBUG_CLR_FRM_REF_BLKS : 0)
 434                                 | ((ctx->dbg_color_mb_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
 435                                 | ((ctx->dbg_color_b_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
 436                                 | ((ctx->dbg_display_mv_flag != 0) ? VP8D_DEBUG_DRAW_MV : 0)
 437 #endif
 438                                 ;
 439             flags.deblocking_level      = ctx->postproc_cfg.deblocking_level;
 440             flags.noise_level           = ctx->postproc_cfg.noise_level;
 441 #if CONFIG_POSTPROC_VISUALIZER
 442             flags.display_ref_frame_flag= ctx->dbg_color_ref_frame_flag;
 443             flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag;
 444             flags.display_b_modes_flag  = ctx->dbg_color_b_modes_flag;
 445             flags.display_mv_flag       = ctx->dbg_display_mv_flag;
 446 #endif
 447         }
 448
 449         if (vp8dx_receive_compressed_data(ctx->pbi, data_sz, data, deadline))
 450         {
 451             VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
 452             res = update_error_state(ctx, &pbi->common.error);
 453         }
 454
 455         if (!res && 0 == vp8dx_get_raw_frame(ctx->pbi, &sd, &time_stamp, &time_end_stamp, &flags))
 456         {
 457             /* Align width/height */
 458             unsigned int a_w = (sd.y_width + 15) & ~15;
 459             unsigned int a_h = (sd.y_height + 15) & ~15;
 460
 461             vpx_img_wrap(&ctx->img, VPX_IMG_FMT_I420,
 462                          a_w + 2 * VP8BORDERINPIXELS,
 463                          a_h + 2 * VP8BORDERINPIXELS,
 464                          1,
 465                          sd.buffer_alloc);
 466             vpx_img_set_rect(&ctx->img,
 467                              VP8BORDERINPIXELS, VP8BORDERINPIXELS,
 468                              sd.y_width, sd.y_height);
 469             ctx->img.user_priv = user_priv;
 470             ctx->img_avail = 1;
 471
 472         }
 473     }
 474
 475     return res;
 476 }
 477
 478 static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t  *ctx,
 479                                   vpx_codec_iter_t      *iter)
 480 {
 481     vpx_image_t *img = NULL;
 482
 483     if (ctx->img_avail)
 484     {
 485         /* iter acts as a flip flop, so an image is only returned on the first
 486          * call to get_frame.
 487          */
 488         if (!(*iter))
 489         {
 490             img = &ctx->img;
 491             *iter = img;
 492         }
 493     }
 494
 495     return img;
 496 }
 497
 498
 499 static
 500 vpx_codec_err_t vp8_xma_get_mmap(const vpx_codec_ctx_t      *ctx,
 501                                  vpx_codec_mmap_t           *mmap,
 502                                  vpx_codec_iter_t           *iter)
 503 {
 504     vpx_codec_err_t     res;
 505     const mem_req_t  *seg_iter = *iter;
 506
 507     /* Get address of next segment request */
 508     do
 509     {
 510         if (!seg_iter)
 511             seg_iter = vp8_mem_req_segs;
 512         else if (seg_iter->id != VP8_SEG_MAX)
 513             seg_iter++;
 514
 515         *iter = (vpx_codec_iter_t)seg_iter;
 516
 517         if (seg_iter->id != VP8_SEG_MAX)
 518         {
 519             mmap->id = seg_iter->id;
 520             mmap->sz = seg_iter->sz;
 521             mmap->align = seg_iter->align;
 522             mmap->flags = seg_iter->flags;
 523
 524             if (!seg_iter->sz)
 525                 mmap->sz = seg_iter->calc_sz(ctx->config.dec, ctx->init_flags);
 526
 527             res = VPX_CODEC_OK;
 528         }
 529         else
 530             res = VPX_CODEC_LIST_END;
 531     }
 532     while (!mmap->sz && res != VPX_CODEC_LIST_END);
 533
 534     return res;
 535 }
 536
 537 static vpx_codec_err_t vp8_xma_set_mmap(vpx_codec_ctx_t         *ctx,
 538                                         const vpx_codec_mmap_t  *mmap)
 539 {
 540     vpx_codec_err_t res = VPX_CODEC_MEM_ERROR;
 541     int i, done;
 542
 543     if (!ctx->priv)
 544     {
 545         if (mmap->id == VP8_SEG_ALG_PRIV)
 546         {
 547             if (!ctx->priv)
 548             {
 549                 vp8_init_ctx(ctx, mmap);
 550                 res = VPX_CODEC_OK;
 551             }
 552         }
 553     }
 554
 555     done = 1;
 556
 557     if (!res && ctx->priv->alg_priv)
 558     {
 559         for (i = 0; i < NELEMENTS(vp8_mem_req_segs); i++)
 560         {
 561             if (ctx->priv->alg_priv->mmaps[i].id == mmap->id)
 562                 if (!ctx->priv->alg_priv->mmaps[i].base)
 563                 {
 564                     ctx->priv->alg_priv->mmaps[i] = *mmap;
 565                     res = VPX_CODEC_OK;
 566                 }
 567
 568             done &= (ctx->priv->alg_priv->mmaps[i].base != NULL);
 569         }
 570     }
 571
 572     if (done && !res)
 573     {
 574         vp8_finalize_mmaps(ctx->priv->alg_priv);
 575         res = ctx->iface->init(ctx);
 576     }
 577
 578     return res;
 579 }
 580
 581 static vpx_codec_err_t image2yuvconfig(const vpx_image_t   *img,
 582                                        YV12_BUFFER_CONFIG  *yv12)
 583 {
 584     vpx_codec_err_t        res = VPX_CODEC_OK;
 585     yv12->y_buffer = img->planes[VPX_PLANE_Y];
 586     yv12->u_buffer = img->planes[VPX_PLANE_U];
 587     yv12->v_buffer = img->planes[VPX_PLANE_V];
 588
 589     yv12->y_width  = img->d_w;
 590     yv12->y_height = img->d_h;
 591     yv12->uv_width = yv12->y_width / 2;
 592     yv12->uv_height = yv12->y_height / 2;
 593
 594     yv12->y_stride = img->stride[VPX_PLANE_Y];
 595     yv12->uv_stride = img->stride[VPX_PLANE_U];
 596
 597     yv12->border  = (img->stride[VPX_PLANE_Y] - img->d_w) / 2;
 598     yv12->clrtype = (img->fmt == VPX_IMG_FMT_VPXI420 || img->fmt == VPX_IMG_FMT_VPXYV12);
 599
 600     return res;
 601 }
 602
 603
 604 static vpx_codec_err_t vp8_set_reference(vpx_codec_alg_priv_t *ctx,
 605         int ctr_id,
 606         va_list args)
 607 {
 608
 609     vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
 610
 611     if (data)
 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         vp8dx_set_reference(ctx->pbi, frame->frame_type, &sd);
 619         return VPX_CODEC_OK;
 620     }
 621     else
 622         return VPX_CODEC_INVALID_PARAM;
 623
 624 }
 625
 626 static vpx_codec_err_t vp8_get_reference(vpx_codec_alg_priv_t *ctx,
 627         int ctr_id,
 628         va_list args)
 629 {
 630
 631     vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
 632
 633     if (data)
 634     {
 635         vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
 636         YV12_BUFFER_CONFIG sd;
 637
 638         image2yuvconfig(&frame->img, &sd);
 639
 640         vp8dx_get_reference(ctx->pbi, frame->frame_type, &sd);
 641         return VPX_CODEC_OK;
 642     }
 643     else
 644         return VPX_CODEC_INVALID_PARAM;
 645
 646 }
 647
 648 static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx,
 649                                         int ctr_id,
 650                                         va_list args)
 651 {
 652     vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
 653 #if CONFIG_POSTPROC
 654
 655     if (data)
 656     {
 657         ctx->postproc_cfg_set = 1;
 658         ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
 659         return VPX_CODEC_OK;
 660     }
 661     else
 662         return VPX_CODEC_INVALID_PARAM;
 663
 664 #else
 665     return VPX_CODEC_INCAPABLE;
 666 #endif
 667 }
 668
 669 static vpx_codec_err_t vp8_set_dbg_options(vpx_codec_alg_priv_t *ctx,
 670                                         int ctrl_id,
 671                                         va_list args)
 672 {
 673 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
 674     int data = va_arg(args, int);
 675
 676 #define MAP(id, var) case id: var = data; break;
 677
 678     switch (ctrl_id)
 679     {
 680         MAP (VP8_SET_DBG_COLOR_REF_FRAME,   ctx->dbg_color_ref_frame_flag);
 681         MAP (VP8_SET_DBG_COLOR_MB_MODES,    ctx->dbg_color_mb_modes_flag);
 682         MAP (VP8_SET_DBG_COLOR_B_MODES,     ctx->dbg_color_b_modes_flag);
 683         MAP (VP8_SET_DBG_DISPLAY_MV,        ctx->dbg_display_mv_flag);
 684     }
 685
 686     return VPX_CODEC_OK;
 687 #else
 688     return VPX_CODEC_INCAPABLE;
 689 #endif
 690 }
 691
 692 static vpx_codec_err_t vp8_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
 693                                                 int ctrl_id,
 694                                                 va_list args)
 695 {
 696     int *update_info = va_arg(args, int *);
 697     VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
 698
 699     if (update_info)
 700     {
 701         *update_info = pbi->common.refresh_alt_ref_frame * (int) VP8_ALTR_FRAME
 702             + pbi->common.refresh_golden_frame * (int) VP8_GOLD_FRAME
 703             + pbi->common.refresh_last_frame * (int) VP8_LAST_FRAME;
 704
 705         return VPX_CODEC_OK;
 706     }
 707     else
 708         return VPX_CODEC_INVALID_PARAM;
 709 }
 710
 711
 712 static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
 713                                                int ctrl_id,
 714                                                va_list args)
 715 {
 716
 717     int *corrupted = va_arg(args, int *);
 718
 719     if (corrupted)
 720     {
 721         VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
 722         *corrupted = pbi->common.frame_to_show->corrupted;
 723
 724         return VPX_CODEC_OK;
 725     }
 726     else
 727         return VPX_CODEC_INVALID_PARAM;
 728
 729 }
 730
 731 vpx_codec_ctrl_fn_map_t vp8_ctf_maps[] =
 732 {
 733     {VP8_SET_REFERENCE,             vp8_set_reference},
 734     {VP8_COPY_REFERENCE,            vp8_get_reference},
 735     {VP8_SET_POSTPROC,              vp8_set_postproc},
 736     {VP8_SET_DBG_COLOR_REF_FRAME,   vp8_set_dbg_options},
 737     {VP8_SET_DBG_COLOR_MB_MODES,    vp8_set_dbg_options},
 738     {VP8_SET_DBG_COLOR_B_MODES,     vp8_set_dbg_options},
 739     {VP8_SET_DBG_DISPLAY_MV,        vp8_set_dbg_options},
 740     {VP8D_GET_LAST_REF_UPDATES,     vp8_get_last_ref_updates},
 741     {VP8D_GET_FRAME_CORRUPTED,      vp8_get_frame_corrupted},
 742     { -1, NULL},
 743 };
 744
 745
 746 #ifndef VERSION_STRING
 747 #define VERSION_STRING
 748 #endif
 749 CODEC_INTERFACE(vpx_codec_vp8_dx) =
 750 {
 751     "WebM Project VP8 Decoder" VERSION_STRING,
 752     VPX_CODEC_INTERNAL_ABI_VERSION,
 753     VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC,
 754     /* vpx_codec_caps_t          caps; */
 755     vp8_init,         /* vpx_codec_init_fn_t       init; */
 756     vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
 757     vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
 758     vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t   get_mmap; */
 759     vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t   set_mmap; */
 760     {
 761         vp8_peek_si,      /* vpx_codec_peek_si_fn_t    peek_si; */
 762         vp8_get_si,       /* vpx_codec_get_si_fn_t     get_si; */
 763         vp8_decode,       /* vpx_codec_decode_fn_t     decode; */
 764         vp8_get_frame,    /* vpx_codec_frame_get_fn_t  frame_get; */
 765     },
 766     { /* encoder functions */
 767         NOT_IMPLEMENTED,
 768         NOT_IMPLEMENTED,
 769         NOT_IMPLEMENTED,
 770         NOT_IMPLEMENTED,
 771         NOT_IMPLEMENTED,
 772         NOT_IMPLEMENTED
 773     }
 774 };
 775
 776 /*
 777  * BEGIN BACKWARDS COMPATIBILITY SHIM.
 778  */
 779 vpx_codec_iface_t vpx_codec_vp8_algo =
 780 {
 781     "WebM Project VP8 Decoder (Deprecated API)" VERSION_STRING,
 782     VPX_CODEC_INTERNAL_ABI_VERSION,
 783     VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC,
 784     /* vpx_codec_caps_t          caps; */
 785     vp8_init,         /* vpx_codec_init_fn_t       init; */
 786     vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
 787     vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
 788     vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t   get_mmap; */
 789     vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t   set_mmap; */
 790     {
 791         vp8_peek_si,      /* vpx_codec_peek_si_fn_t    peek_si; */
 792         vp8_get_si,       /* vpx_codec_get_si_fn_t     get_si; */
 793         vp8_decode,       /* vpx_codec_decode_fn_t     decode; */
 794         vp8_get_frame,    /* vpx_codec_frame_get_fn_t  frame_get; */
 795     },
 796     { /* encoder functions */
 797         NOT_IMPLEMENTED,
 798         NOT_IMPLEMENTED,
 799         NOT_IMPLEMENTED,
 800         NOT_IMPLEMENTED,
 801         NOT_IMPLEMENTED,
 802         NOT_IMPLEMENTED
 803     }
 804 };