PageRenderTime 58ms CodeModel.GetById 15ms app.highlight 37ms RepoModel.GetById 1ms app.codeStats 0ms

/media/libvpx/vp8/vp8_dx_iface.c

http://github.com/zpao/v8monkey
C | 795 lines | 601 code | 140 blank | 54 comment | 86 complexity | a4bebaead80ec1e66091173029d6dd80 MD5 | raw file
  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#define VP8_CAP_ERROR_CONCEALMENT (CONFIG_ERROR_CONCEALMENT ? \
 23                                    VPX_CODEC_CAP_ERROR_CONCEALMENT : 0)
 24
 25typedef vpx_codec_stream_info_t  vp8_stream_info_t;
 26
 27/* Structures for handling memory allocations */
 28typedef enum
 29{
 30    VP8_SEG_ALG_PRIV     = 256,
 31    VP8_SEG_MAX
 32} mem_seg_id_t;
 33#define NELEMENTS(x) ((int)(sizeof(x)/sizeof(x[0])))
 34
 35static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t);
 36
 37typedef struct
 38{
 39    unsigned int   id;
 40    unsigned long  sz;
 41    unsigned int   align;
 42    unsigned int   flags;
 43    unsigned long(*calc_sz)(const vpx_codec_dec_cfg_t *, vpx_codec_flags_t);
 44} mem_req_t;
 45
 46static const mem_req_t vp8_mem_req_segs[] =
 47{
 48    {VP8_SEG_ALG_PRIV,    0, 8, VPX_CODEC_MEM_ZERO, vp8_priv_sz},
 49    {VP8_SEG_MAX, 0, 0, 0, NULL}
 50};
 51
 52struct vpx_codec_alg_priv
 53{
 54    vpx_codec_priv_t        base;
 55    vpx_codec_mmap_t        mmaps[NELEMENTS(vp8_mem_req_segs)-1];
 56    vpx_codec_dec_cfg_t     cfg;
 57    vp8_stream_info_t       si;
 58    int                     defer_alloc;
 59    int                     decoder_init;
 60    VP8D_PTR                pbi;
 61    int                     postproc_cfg_set;
 62    vp8_postproc_cfg_t      postproc_cfg;
 63#if CONFIG_POSTPROC_VISUALIZER
 64    unsigned int            dbg_postproc_flag;
 65    int                     dbg_color_ref_frame_flag;
 66    int                     dbg_color_mb_modes_flag;
 67    int                     dbg_color_b_modes_flag;
 68    int                     dbg_display_mv_flag;
 69#endif
 70    vpx_image_t             img;
 71    int                     img_setup;
 72    int                     img_avail;
 73};
 74
 75static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t flags)
 76{
 77    /* Although this declaration is constant, we can't use it in the requested
 78     * segments list because we want to define the requested segments list
 79     * before defining the private type (so that the number of memory maps is
 80     * known)
 81     */
 82    (void)si;
 83    return sizeof(vpx_codec_alg_priv_t);
 84}
 85
 86
 87static void vp8_mmap_dtor(vpx_codec_mmap_t *mmap)
 88{
 89    free(mmap->priv);
 90}
 91
 92static vpx_codec_err_t vp8_mmap_alloc(vpx_codec_mmap_t *mmap)
 93{
 94    vpx_codec_err_t  res;
 95    unsigned int   align;
 96
 97    align = mmap->align ? mmap->align - 1 : 0;
 98
 99    if (mmap->flags & VPX_CODEC_MEM_ZERO)
100        mmap->priv = calloc(1, mmap->sz + align);
101    else
102        mmap->priv = malloc(mmap->sz + align);
103
104    res = (mmap->priv) ? VPX_CODEC_OK : VPX_CODEC_MEM_ERROR;
105    mmap->base = (void *)((((uintptr_t)mmap->priv) + align) & ~(uintptr_t)align);
106    mmap->dtor = vp8_mmap_dtor;
107    return res;
108}
109
110static vpx_codec_err_t vp8_validate_mmaps(const vp8_stream_info_t *si,
111        const vpx_codec_mmap_t        *mmaps,
112        vpx_codec_flags_t              init_flags)
113{
114    int i;
115    vpx_codec_err_t res = VPX_CODEC_OK;
116
117    for (i = 0; i < NELEMENTS(vp8_mem_req_segs) - 1; i++)
118    {
119        /* Ensure the segment has been allocated */
120        if (!mmaps[i].base)
121        {
122            res = VPX_CODEC_MEM_ERROR;
123            break;
124        }
125
126        /* Verify variable size segment is big enough for the current si. */
127        if (vp8_mem_req_segs[i].calc_sz)
128        {
129            vpx_codec_dec_cfg_t cfg;
130
131            cfg.w = si->w;
132            cfg.h = si->h;
133
134            if (mmaps[i].sz < vp8_mem_req_segs[i].calc_sz(&cfg, init_flags))
135            {
136                res = VPX_CODEC_MEM_ERROR;
137                break;
138            }
139        }
140    }
141
142    return res;
143}
144
145static void vp8_init_ctx(vpx_codec_ctx_t *ctx, const vpx_codec_mmap_t *mmap)
146{
147    int i;
148
149    ctx->priv = mmap->base;
150    ctx->priv->sz = sizeof(*ctx->priv);
151    ctx->priv->iface = ctx->iface;
152    ctx->priv->alg_priv = mmap->base;
153
154    for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++)
155        ctx->priv->alg_priv->mmaps[i].id = vp8_mem_req_segs[i].id;
156
157    ctx->priv->alg_priv->mmaps[0] = *mmap;
158    ctx->priv->alg_priv->si.sz = sizeof(ctx->priv->alg_priv->si);
159    ctx->priv->init_flags = ctx->init_flags;
160
161    if (ctx->config.dec)
162    {
163        /* Update the reference to the config structure to an internal copy. */
164        ctx->priv->alg_priv->cfg = *ctx->config.dec;
165        ctx->config.dec = &ctx->priv->alg_priv->cfg;
166    }
167}
168
169static void *mmap_lkup(vpx_codec_alg_priv_t *ctx, unsigned int id)
170{
171    int i;
172
173    for (i = 0; i < NELEMENTS(ctx->mmaps); i++)
174        if (ctx->mmaps[i].id == id)
175            return ctx->mmaps[i].base;
176
177    return NULL;
178}
179static void vp8_finalize_mmaps(vpx_codec_alg_priv_t *ctx)
180{
181    /* nothing to clean up */
182}
183
184static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx)
185{
186    vpx_codec_err_t        res = VPX_CODEC_OK;
187
188    /* This function only allocates space for the vpx_codec_alg_priv_t
189     * structure. More memory may be required at the time the stream
190     * information becomes known.
191     */
192    if (!ctx->priv)
193    {
194        vpx_codec_mmap_t mmap;
195
196        mmap.id = vp8_mem_req_segs[0].id;
197        mmap.sz = sizeof(vpx_codec_alg_priv_t);
198        mmap.align = vp8_mem_req_segs[0].align;
199        mmap.flags = vp8_mem_req_segs[0].flags;
200
201        res = vp8_mmap_alloc(&mmap);
202
203        if (!res)
204        {
205            vp8_init_ctx(ctx, &mmap);
206
207            ctx->priv->alg_priv->defer_alloc = 1;
208            /*post processing level initialized to do nothing */
209        }
210    }
211
212    return res;
213}
214
215static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx)
216{
217    int i;
218
219    vp8dx_remove_decompressor(ctx->pbi);
220
221    for (i = NELEMENTS(ctx->mmaps) - 1; i >= 0; i--)
222    {
223        if (ctx->mmaps[i].dtor)
224            ctx->mmaps[i].dtor(&ctx->mmaps[i]);
225    }
226
227    return VPX_CODEC_OK;
228}
229
230static vpx_codec_err_t vp8_peek_si(const uint8_t         *data,
231                                   unsigned int           data_sz,
232                                   vpx_codec_stream_info_t *si)
233{
234    vpx_codec_err_t res = VPX_CODEC_OK;
235
236    if(data + data_sz <= data)
237        res = VPX_CODEC_INVALID_PARAM;
238    else
239    {
240        /* Parse uncompresssed part of key frame header.
241         * 3 bytes:- including version, frame type and an offset
242         * 3 bytes:- sync code (0x9d, 0x01, 0x2a)
243         * 4 bytes:- including image width and height in the lowest 14 bits
244         *           of each 2-byte value.
245         */
246        si->is_kf = 0;
247
248        if (data_sz >= 10 && !(data[0] & 0x01))  /* I-Frame */
249        {
250            const uint8_t *c = data + 3;
251            si->is_kf = 1;
252
253            /* vet via sync code */
254            if (c[0] != 0x9d || c[1] != 0x01 || c[2] != 0x2a)
255                res = VPX_CODEC_UNSUP_BITSTREAM;
256
257            si->w = (c[3] | (c[4] << 8)) & 0x3fff;
258            si->h = (c[5] | (c[6] << 8)) & 0x3fff;
259
260            /*printf("w=%d, h=%d\n", si->w, si->h);*/
261            if (!(si->h | si->w))
262                res = VPX_CODEC_UNSUP_BITSTREAM;
263        }
264        else
265            res = VPX_CODEC_UNSUP_BITSTREAM;
266    }
267
268    return res;
269
270}
271
272static vpx_codec_err_t vp8_get_si(vpx_codec_alg_priv_t    *ctx,
273                                  vpx_codec_stream_info_t *si)
274{
275
276    unsigned int sz;
277
278    if (si->sz >= sizeof(vp8_stream_info_t))
279        sz = sizeof(vp8_stream_info_t);
280    else
281        sz = sizeof(vpx_codec_stream_info_t);
282
283    memcpy(si, &ctx->si, sz);
284    si->sz = sz;
285
286    return VPX_CODEC_OK;
287}
288
289
290static vpx_codec_err_t
291update_error_state(vpx_codec_alg_priv_t                 *ctx,
292                   const struct vpx_internal_error_info *error)
293{
294    vpx_codec_err_t res;
295
296    if ((res = error->error_code))
297        ctx->base.err_detail = error->has_detail
298                               ? error->detail
299                               : NULL;
300
301    return res;
302}
303
304static void yuvconfig2image(vpx_image_t               *img,
305                            const YV12_BUFFER_CONFIG  *yv12,
306                            void                      *user_priv)
307{
308    /** vpx_img_wrap() doesn't allow specifying independent strides for
309      * the Y, U, and V planes, nor other alignment adjustments that
310      * might be representable by a YV12_BUFFER_CONFIG, so we just
311      * initialize all the fields.*/
312    img->fmt = yv12->clrtype == REG_YUV ?
313        VPX_IMG_FMT_I420 : VPX_IMG_FMT_VPXI420;
314    img->w = yv12->y_stride;
315    img->h = (yv12->y_height + 2 * VP8BORDERINPIXELS + 15) & ~15;
316    img->d_w = yv12->y_width;
317    img->d_h = yv12->y_height;
318    img->x_chroma_shift = 1;
319    img->y_chroma_shift = 1;
320    img->planes[VPX_PLANE_Y] = yv12->y_buffer;
321    img->planes[VPX_PLANE_U] = yv12->u_buffer;
322    img->planes[VPX_PLANE_V] = yv12->v_buffer;
323    img->planes[VPX_PLANE_ALPHA] = NULL;
324    img->stride[VPX_PLANE_Y] = yv12->y_stride;
325    img->stride[VPX_PLANE_U] = yv12->uv_stride;
326    img->stride[VPX_PLANE_V] = yv12->uv_stride;
327    img->stride[VPX_PLANE_ALPHA] = yv12->y_stride;
328    img->bps = 12;
329    img->user_priv = user_priv;
330    img->img_data = yv12->buffer_alloc;
331    img->img_data_owner = 0;
332    img->self_allocd = 0;
333}
334
335static vpx_codec_err_t vp8_decode(vpx_codec_alg_priv_t  *ctx,
336                                  const uint8_t         *data,
337                                  unsigned int            data_sz,
338                                  void                    *user_priv,
339                                  long                    deadline)
340{
341    vpx_codec_err_t res = VPX_CODEC_OK;
342
343    ctx->img_avail = 0;
344
345    /* Determine the stream parameters. Note that we rely on peek_si to
346     * validate that we have a buffer that does not wrap around the top
347     * of the heap.
348     */
349    if (!ctx->si.h)
350        res = ctx->base.iface->dec.peek_si(data, data_sz, &ctx->si);
351
352
353    /* Perform deferred allocations, if required */
354    if (!res && ctx->defer_alloc)
355    {
356        int i;
357
358        for (i = 1; !res && i < NELEMENTS(ctx->mmaps); i++)
359        {
360            vpx_codec_dec_cfg_t cfg;
361
362            cfg.w = ctx->si.w;
363            cfg.h = ctx->si.h;
364            ctx->mmaps[i].id = vp8_mem_req_segs[i].id;
365            ctx->mmaps[i].sz = vp8_mem_req_segs[i].sz;
366            ctx->mmaps[i].align = vp8_mem_req_segs[i].align;
367            ctx->mmaps[i].flags = vp8_mem_req_segs[i].flags;
368
369            if (!ctx->mmaps[i].sz)
370                ctx->mmaps[i].sz = vp8_mem_req_segs[i].calc_sz(&cfg,
371                                   ctx->base.init_flags);
372
373            res = vp8_mmap_alloc(&ctx->mmaps[i]);
374        }
375
376        if (!res)
377            vp8_finalize_mmaps(ctx);
378
379        ctx->defer_alloc = 0;
380    }
381
382    /* Initialize the decoder instance on the first frame*/
383    if (!res && !ctx->decoder_init)
384    {
385        res = vp8_validate_mmaps(&ctx->si, ctx->mmaps, ctx->base.init_flags);
386
387        if (!res)
388        {
389            VP8D_CONFIG oxcf;
390            VP8D_PTR optr;
391
392            vp8dx_initialize();
393
394            oxcf.Width = ctx->si.w;
395            oxcf.Height = ctx->si.h;
396            oxcf.Version = 9;
397            oxcf.postprocess = 0;
398            oxcf.max_threads = ctx->cfg.threads;
399            oxcf.error_concealment =
400                    (ctx->base.init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT);
401            oxcf.input_partition =
402                    (ctx->base.init_flags & VPX_CODEC_USE_INPUT_PARTITION);
403
404            optr = vp8dx_create_decompressor(&oxcf);
405
406            /* If postprocessing was enabled by the application and a
407             * configuration has not been provided, default it.
408             */
409            if (!ctx->postproc_cfg_set
410                && (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC))
411            {
412                ctx->postproc_cfg.post_proc_flag =
413                    VP8_DEBLOCK | VP8_DEMACROBLOCK;
414                ctx->postproc_cfg.deblocking_level = 4;
415                ctx->postproc_cfg.noise_level = 0;
416            }
417
418            if (!optr)
419                res = VPX_CODEC_ERROR;
420            else
421                ctx->pbi = optr;
422        }
423
424        ctx->decoder_init = 1;
425    }
426
427    if (!res && ctx->pbi)
428    {
429        YV12_BUFFER_CONFIG sd;
430        int64_t time_stamp = 0, time_end_stamp = 0;
431        vp8_ppflags_t flags = {0};
432
433        if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
434        {
435            flags.post_proc_flag= ctx->postproc_cfg.post_proc_flag
436#if CONFIG_POSTPROC_VISUALIZER
437
438                                | ((ctx->dbg_color_ref_frame_flag != 0) ? VP8D_DEBUG_CLR_FRM_REF_BLKS : 0)
439                                | ((ctx->dbg_color_mb_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
440                                | ((ctx->dbg_color_b_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
441                                | ((ctx->dbg_display_mv_flag != 0) ? VP8D_DEBUG_DRAW_MV : 0)
442#endif
443                                ;
444            flags.deblocking_level      = ctx->postproc_cfg.deblocking_level;
445            flags.noise_level           = ctx->postproc_cfg.noise_level;
446#if CONFIG_POSTPROC_VISUALIZER
447            flags.display_ref_frame_flag= ctx->dbg_color_ref_frame_flag;
448            flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag;
449            flags.display_b_modes_flag  = ctx->dbg_color_b_modes_flag;
450            flags.display_mv_flag       = ctx->dbg_display_mv_flag;
451#endif
452        }
453
454        if (vp8dx_receive_compressed_data(ctx->pbi, data_sz, data, deadline))
455        {
456            VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
457            res = update_error_state(ctx, &pbi->common.error);
458        }
459
460        if (!res && 0 == vp8dx_get_raw_frame(ctx->pbi, &sd, &time_stamp, &time_end_stamp, &flags))
461        {
462            yuvconfig2image(&ctx->img, &sd, user_priv);
463            ctx->img_avail = 1;
464        }
465    }
466
467    return res;
468}
469
470static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t  *ctx,
471                                  vpx_codec_iter_t      *iter)
472{
473    vpx_image_t *img = NULL;
474
475    if (ctx->img_avail)
476    {
477        /* iter acts as a flip flop, so an image is only returned on the first
478         * call to get_frame.
479         */
480        if (!(*iter))
481        {
482            img = &ctx->img;
483            *iter = img;
484        }
485    }
486
487    return img;
488}
489
490
491static
492vpx_codec_err_t vp8_xma_get_mmap(const vpx_codec_ctx_t      *ctx,
493                                 vpx_codec_mmap_t           *mmap,
494                                 vpx_codec_iter_t           *iter)
495{
496    vpx_codec_err_t     res;
497    const mem_req_t  *seg_iter = *iter;
498
499    /* Get address of next segment request */
500    do
501    {
502        if (!seg_iter)
503            seg_iter = vp8_mem_req_segs;
504        else if (seg_iter->id != VP8_SEG_MAX)
505            seg_iter++;
506
507        *iter = (vpx_codec_iter_t)seg_iter;
508
509        if (seg_iter->id != VP8_SEG_MAX)
510        {
511            mmap->id = seg_iter->id;
512            mmap->sz = seg_iter->sz;
513            mmap->align = seg_iter->align;
514            mmap->flags = seg_iter->flags;
515
516            if (!seg_iter->sz)
517                mmap->sz = seg_iter->calc_sz(ctx->config.dec, ctx->init_flags);
518
519            res = VPX_CODEC_OK;
520        }
521        else
522            res = VPX_CODEC_LIST_END;
523    }
524    while (!mmap->sz && res != VPX_CODEC_LIST_END);
525
526    return res;
527}
528
529static vpx_codec_err_t vp8_xma_set_mmap(vpx_codec_ctx_t         *ctx,
530                                        const vpx_codec_mmap_t  *mmap)
531{
532    vpx_codec_err_t res = VPX_CODEC_MEM_ERROR;
533    int i, done;
534
535    if (!ctx->priv)
536    {
537        if (mmap->id == VP8_SEG_ALG_PRIV)
538        {
539            if (!ctx->priv)
540            {
541                vp8_init_ctx(ctx, mmap);
542                res = VPX_CODEC_OK;
543            }
544        }
545    }
546
547    done = 1;
548
549    if (!res && ctx->priv->alg_priv)
550    {
551        for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++)
552        {
553            if (ctx->priv->alg_priv->mmaps[i].id == mmap->id)
554                if (!ctx->priv->alg_priv->mmaps[i].base)
555                {
556                    ctx->priv->alg_priv->mmaps[i] = *mmap;
557                    res = VPX_CODEC_OK;
558                }
559
560            done &= (ctx->priv->alg_priv->mmaps[i].base != NULL);
561        }
562    }
563
564    if (done && !res)
565    {
566        vp8_finalize_mmaps(ctx->priv->alg_priv);
567        res = ctx->iface->init(ctx);
568    }
569
570    return res;
571}
572
573static vpx_codec_err_t image2yuvconfig(const vpx_image_t   *img,
574                                       YV12_BUFFER_CONFIG  *yv12)
575{
576    vpx_codec_err_t        res = VPX_CODEC_OK;
577    yv12->y_buffer = img->planes[VPX_PLANE_Y];
578    yv12->u_buffer = img->planes[VPX_PLANE_U];
579    yv12->v_buffer = img->planes[VPX_PLANE_V];
580
581    yv12->y_width  = img->d_w;
582    yv12->y_height = img->d_h;
583    yv12->uv_width = yv12->y_width / 2;
584    yv12->uv_height = yv12->y_height / 2;
585
586    yv12->y_stride = img->stride[VPX_PLANE_Y];
587    yv12->uv_stride = img->stride[VPX_PLANE_U];
588
589    yv12->border  = (img->stride[VPX_PLANE_Y] - img->d_w) / 2;
590    yv12->clrtype = (img->fmt == VPX_IMG_FMT_VPXI420 || img->fmt == VPX_IMG_FMT_VPXYV12);
591
592    return res;
593}
594
595
596static vpx_codec_err_t vp8_set_reference(vpx_codec_alg_priv_t *ctx,
597        int ctr_id,
598        va_list args)
599{
600
601    vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
602
603    if (data)
604    {
605        vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
606        YV12_BUFFER_CONFIG sd;
607
608        image2yuvconfig(&frame->img, &sd);
609
610        return vp8dx_set_reference(ctx->pbi, frame->frame_type, &sd);
611    }
612    else
613        return VPX_CODEC_INVALID_PARAM;
614
615}
616
617static vpx_codec_err_t vp8_get_reference(vpx_codec_alg_priv_t *ctx,
618        int ctr_id,
619        va_list args)
620{
621
622    vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
623
624    if (data)
625    {
626        vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
627        YV12_BUFFER_CONFIG sd;
628
629        image2yuvconfig(&frame->img, &sd);
630
631        return vp8dx_get_reference(ctx->pbi, frame->frame_type, &sd);
632    }
633    else
634        return VPX_CODEC_INVALID_PARAM;
635
636}
637
638static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx,
639                                        int ctr_id,
640                                        va_list args)
641{
642#if CONFIG_POSTPROC
643    vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
644
645    if (data)
646    {
647        ctx->postproc_cfg_set = 1;
648        ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
649        return VPX_CODEC_OK;
650    }
651    else
652        return VPX_CODEC_INVALID_PARAM;
653
654#else
655    return VPX_CODEC_INCAPABLE;
656#endif
657}
658
659static vpx_codec_err_t vp8_set_dbg_options(vpx_codec_alg_priv_t *ctx,
660                                        int ctrl_id,
661                                        va_list args)
662{
663#if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
664    int data = va_arg(args, int);
665
666#define MAP(id, var) case id: var = data; break;
667
668    switch (ctrl_id)
669    {
670        MAP (VP8_SET_DBG_COLOR_REF_FRAME,   ctx->dbg_color_ref_frame_flag);
671        MAP (VP8_SET_DBG_COLOR_MB_MODES,    ctx->dbg_color_mb_modes_flag);
672        MAP (VP8_SET_DBG_COLOR_B_MODES,     ctx->dbg_color_b_modes_flag);
673        MAP (VP8_SET_DBG_DISPLAY_MV,        ctx->dbg_display_mv_flag);
674    }
675
676    return VPX_CODEC_OK;
677#else
678    return VPX_CODEC_INCAPABLE;
679#endif
680}
681
682static vpx_codec_err_t vp8_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
683                                                int ctrl_id,
684                                                va_list args)
685{
686    int *update_info = va_arg(args, int *);
687    VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
688
689    if (update_info)
690    {
691        *update_info = pbi->common.refresh_alt_ref_frame * (int) VP8_ALTR_FRAME
692            + pbi->common.refresh_golden_frame * (int) VP8_GOLD_FRAME
693            + pbi->common.refresh_last_frame * (int) VP8_LAST_FRAME;
694
695        return VPX_CODEC_OK;
696    }
697    else
698        return VPX_CODEC_INVALID_PARAM;
699}
700
701
702static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
703                                               int ctrl_id,
704                                               va_list args)
705{
706
707    int *corrupted = va_arg(args, int *);
708
709    if (corrupted)
710    {
711        VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
712        *corrupted = pbi->common.frame_to_show->corrupted;
713
714        return VPX_CODEC_OK;
715    }
716    else
717        return VPX_CODEC_INVALID_PARAM;
718
719}
720
721vpx_codec_ctrl_fn_map_t vp8_ctf_maps[] =
722{
723    {VP8_SET_REFERENCE,             vp8_set_reference},
724    {VP8_COPY_REFERENCE,            vp8_get_reference},
725    {VP8_SET_POSTPROC,              vp8_set_postproc},
726    {VP8_SET_DBG_COLOR_REF_FRAME,   vp8_set_dbg_options},
727    {VP8_SET_DBG_COLOR_MB_MODES,    vp8_set_dbg_options},
728    {VP8_SET_DBG_COLOR_B_MODES,     vp8_set_dbg_options},
729    {VP8_SET_DBG_DISPLAY_MV,        vp8_set_dbg_options},
730    {VP8D_GET_LAST_REF_UPDATES,     vp8_get_last_ref_updates},
731    {VP8D_GET_FRAME_CORRUPTED,      vp8_get_frame_corrupted},
732    { -1, NULL},
733};
734
735
736#ifndef VERSION_STRING
737#define VERSION_STRING
738#endif
739CODEC_INTERFACE(vpx_codec_vp8_dx) =
740{
741    "WebM Project VP8 Decoder" VERSION_STRING,
742    VPX_CODEC_INTERNAL_ABI_VERSION,
743    VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC | VP8_CAP_ERROR_CONCEALMENT |
744    VPX_CODEC_CAP_INPUT_PARTITION,
745    /* vpx_codec_caps_t          caps; */
746    vp8_init,         /* vpx_codec_init_fn_t       init; */
747    vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
748    vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
749    vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t   get_mmap; */
750    vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t   set_mmap; */
751    {
752        vp8_peek_si,      /* vpx_codec_peek_si_fn_t    peek_si; */
753        vp8_get_si,       /* vpx_codec_get_si_fn_t     get_si; */
754        vp8_decode,       /* vpx_codec_decode_fn_t     decode; */
755        vp8_get_frame,    /* vpx_codec_frame_get_fn_t  frame_get; */
756    },
757    { /* encoder functions */
758        NOT_IMPLEMENTED,
759        NOT_IMPLEMENTED,
760        NOT_IMPLEMENTED,
761        NOT_IMPLEMENTED,
762        NOT_IMPLEMENTED,
763        NOT_IMPLEMENTED
764    }
765};
766
767/*
768 * BEGIN BACKWARDS COMPATIBILITY SHIM.
769 */
770vpx_codec_iface_t vpx_codec_vp8_algo =
771{
772    "WebM Project VP8 Decoder (Deprecated API)" VERSION_STRING,
773    VPX_CODEC_INTERNAL_ABI_VERSION,
774    VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC | VP8_CAP_ERROR_CONCEALMENT,
775    /* vpx_codec_caps_t          caps; */
776    vp8_init,         /* vpx_codec_init_fn_t       init; */
777    vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
778    vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
779    vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t   get_mmap; */
780    vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t   set_mmap; */
781    {
782        vp8_peek_si,      /* vpx_codec_peek_si_fn_t    peek_si; */
783        vp8_get_si,       /* vpx_codec_get_si_fn_t     get_si; */
784        vp8_decode,       /* vpx_codec_decode_fn_t     decode; */
785        vp8_get_frame,    /* vpx_codec_frame_get_fn_t  frame_get; */
786    },
787    { /* encoder functions */
788        NOT_IMPLEMENTED,
789        NOT_IMPLEMENTED,
790        NOT_IMPLEMENTED,
791        NOT_IMPLEMENTED,
792        NOT_IMPLEMENTED,
793        NOT_IMPLEMENTED
794    }
795};