1/*
2 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11
12#include <stdlib.h>
13#include <string.h>
14#include "./vp8_rtcd.h"
15#include "./vpx_dsp_rtcd.h"
16#include "./vpx_scale_rtcd.h"
17#include "vpx/vpx_decoder.h"
18#include "vpx/vp8dx.h"
19#include "vpx/internal/vpx_codec_internal.h"
20#include "vpx_version.h"
21#include "common/alloccommon.h"
22#include "common/common.h"
23#include "common/onyxd.h"
24#include "decoder/onyxd_int.h"
25#include "vpx_dsp/vpx_dsp_common.h"
26#include "vpx_mem/vpx_mem.h"
27#if CONFIG_ERROR_CONCEALMENT
28#include "decoder/error_concealment.h"
29#endif
30#include "decoder/decoderthreading.h"
31
32#define VP8_CAP_POSTPROC (CONFIG_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
33#define VP8_CAP_ERROR_CONCEALMENT (CONFIG_ERROR_CONCEALMENT ? \
34                                    VPX_CODEC_CAP_ERROR_CONCEALMENT : 0)
35
36typedef vpx_codec_stream_info_t  vp8_stream_info_t;
37
38/* Structures for handling memory allocations */
39typedef 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
46struct vpx_codec_alg_priv
47{
48    vpx_codec_priv_t        base;
49    vpx_codec_dec_cfg_t     cfg;
50    vp8_stream_info_t       si;
51    int                     decoder_init;
52    int                     postproc_cfg_set;
53    vp8_postproc_cfg_t      postproc_cfg;
54#if CONFIG_POSTPROC_VISUALIZER
55    unsigned int            dbg_postproc_flag;
56    int                     dbg_color_ref_frame_flag;
57    int                     dbg_color_mb_modes_flag;
58    int                     dbg_color_b_modes_flag;
59    int                     dbg_display_mv_flag;
60#endif
61    vpx_decrypt_cb          decrypt_cb;
62    void                    *decrypt_state;
63    vpx_image_t             img;
64    int                     img_setup;
65    struct frame_buffers    yv12_frame_buffers;
66    void                    *user_priv;
67    FRAGMENT_DATA           fragments;
68};
69
70static void vp8_init_ctx(vpx_codec_ctx_t *ctx)
71{
72    vpx_codec_alg_priv_t *priv =
73        (vpx_codec_alg_priv_t *)vpx_calloc(1, sizeof(*priv));
74
75    ctx->priv = (vpx_codec_priv_t *)priv;
76    ctx->priv->init_flags = ctx->init_flags;
77
78    priv->si.sz = sizeof(priv->si);
79    priv->decrypt_cb = NULL;
80    priv->decrypt_state = NULL;
81
82    if (ctx->config.dec)
83    {
84        /* Update the reference to the config structure to an internal copy. */
85        priv->cfg = *ctx->config.dec;
86        ctx->config.dec = &priv->cfg;
87    }
88}
89
90static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx,
91                                vpx_codec_priv_enc_mr_cfg_t *data)
92{
93    vpx_codec_err_t res = VPX_CODEC_OK;
94    vpx_codec_alg_priv_t *priv = NULL;
95    (void) data;
96
97    vp8_rtcd();
98    vpx_dsp_rtcd();
99    vpx_scale_rtcd();
100
101    /* This function only allocates space for the vpx_codec_alg_priv_t
102     * structure. More memory may be required at the time the stream
103     * information becomes known.
104     */
105    if (!ctx->priv) {
106      vp8_init_ctx(ctx);
107      priv = (vpx_codec_alg_priv_t *)ctx->priv;
108
109      /* initialize number of fragments to zero */
110      priv->fragments.count = 0;
111      /* is input fragments enabled? */
112      priv->fragments.enabled =
113          (priv->base.init_flags & VPX_CODEC_USE_INPUT_FRAGMENTS);
114
115      /*post processing level initialized to do nothing */
116    } else {
117      priv = (vpx_codec_alg_priv_t *)ctx->priv;
118    }
119
120    priv->yv12_frame_buffers.use_frame_threads =
121        (ctx->priv->init_flags & VPX_CODEC_USE_FRAME_THREADING);
122
123    /* for now, disable frame threading */
124    priv->yv12_frame_buffers.use_frame_threads = 0;
125
126    if (priv->yv12_frame_buffers.use_frame_threads &&
127        ((ctx->priv->init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT) ||
128         (ctx->priv->init_flags & VPX_CODEC_USE_INPUT_FRAGMENTS))) {
129      /* row-based threading, error concealment, and input fragments will
130       * not be supported when using frame-based threading */
131      res = VPX_CODEC_INVALID_PARAM;
132    }
133
134    return res;
135}
136
137static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx)
138{
139    vp8_remove_decoder_instances(&ctx->yv12_frame_buffers);
140
141    vpx_free(ctx);
142
143    return VPX_CODEC_OK;
144}
145
146static vpx_codec_err_t vp8_peek_si_internal(const uint8_t *data,
147                                            unsigned int data_sz,
148                                            vpx_codec_stream_info_t *si,
149                                            vpx_decrypt_cb decrypt_cb,
150                                            void *decrypt_state)
151{
152    vpx_codec_err_t res = VPX_CODEC_OK;
153
154    if(data + data_sz <= data)
155    {
156        res = VPX_CODEC_INVALID_PARAM;
157    }
158    else
159    {
160        /* Parse uncompresssed part of key frame header.
161         * 3 bytes:- including version, frame type and an offset
162         * 3 bytes:- sync code (0x9d, 0x01, 0x2a)
163         * 4 bytes:- including image width and height in the lowest 14 bits
164         *           of each 2-byte value.
165         */
166        uint8_t clear_buffer[10];
167        const uint8_t *clear = data;
168        if (decrypt_cb)
169        {
170            int n = VPXMIN(sizeof(clear_buffer), data_sz);
171            decrypt_cb(decrypt_state, data, clear_buffer, n);
172            clear = clear_buffer;
173        }
174        si->is_kf = 0;
175
176        if (data_sz >= 10 && !(clear[0] & 0x01))  /* I-Frame */
177        {
178            si->is_kf = 1;
179
180            /* vet via sync code */
181            if (clear[3] != 0x9d || clear[4] != 0x01 || clear[5] != 0x2a)
182                return VPX_CODEC_UNSUP_BITSTREAM;
183
184            si->w = (clear[6] | (clear[7] << 8)) & 0x3fff;
185            si->h = (clear[8] | (clear[9] << 8)) & 0x3fff;
186
187            /*printf("w=%d, h=%d\n", si->w, si->h);*/
188            if (!(si->h | si->w))
189                res = VPX_CODEC_UNSUP_BITSTREAM;
190        }
191        else
192        {
193            res = VPX_CODEC_UNSUP_BITSTREAM;
194        }
195    }
196
197    return res;
198}
199
200static vpx_codec_err_t vp8_peek_si(const uint8_t *data,
201                                   unsigned int data_sz,
202                                   vpx_codec_stream_info_t *si) {
203    return vp8_peek_si_internal(data, data_sz, si, NULL, NULL);
204}
205
206static vpx_codec_err_t vp8_get_si(vpx_codec_alg_priv_t    *ctx,
207                                  vpx_codec_stream_info_t *si)
208{
209
210    unsigned int sz;
211
212    if (si->sz >= sizeof(vp8_stream_info_t))
213        sz = sizeof(vp8_stream_info_t);
214    else
215        sz = sizeof(vpx_codec_stream_info_t);
216
217    memcpy(si, &ctx->si, sz);
218    si->sz = sz;
219
220    return VPX_CODEC_OK;
221}
222
223
224static vpx_codec_err_t
225update_error_state(vpx_codec_alg_priv_t                 *ctx,
226                   const struct vpx_internal_error_info *error)
227{
228    vpx_codec_err_t res;
229
230    if ((res = error->error_code))
231        ctx->base.err_detail = error->has_detail
232                               ? error->detail
233                               : NULL;
234
235    return res;
236}
237
238static void yuvconfig2image(vpx_image_t               *img,
239                            const YV12_BUFFER_CONFIG  *yv12,
240                            void                      *user_priv)
241{
242    /** vpx_img_wrap() doesn't allow specifying independent strides for
243      * the Y, U, and V planes, nor other alignment adjustments that
244      * might be representable by a YV12_BUFFER_CONFIG, so we just
245      * initialize all the fields.*/
246    img->fmt = VPX_IMG_FMT_I420;
247    img->w = yv12->y_stride;
248    img->h = (yv12->y_height + 2 * VP8BORDERINPIXELS + 15) & ~15;
249    img->d_w = img->r_w = yv12->y_width;
250    img->d_h = img->r_h = yv12->y_height;
251    img->x_chroma_shift = 1;
252    img->y_chroma_shift = 1;
253    img->planes[VPX_PLANE_Y] = yv12->y_buffer;
254    img->planes[VPX_PLANE_U] = yv12->u_buffer;
255    img->planes[VPX_PLANE_V] = yv12->v_buffer;
256    img->planes[VPX_PLANE_ALPHA] = NULL;
257    img->stride[VPX_PLANE_Y] = yv12->y_stride;
258    img->stride[VPX_PLANE_U] = yv12->uv_stride;
259    img->stride[VPX_PLANE_V] = yv12->uv_stride;
260    img->stride[VPX_PLANE_ALPHA] = yv12->y_stride;
261    img->bit_depth = 8;
262    img->bps = 12;
263    img->user_priv = user_priv;
264    img->img_data = yv12->buffer_alloc;
265    img->img_data_owner = 0;
266    img->self_allocd = 0;
267}
268
269static int
270update_fragments(vpx_codec_alg_priv_t  *ctx,
271                 const uint8_t         *data,
272                 unsigned int           data_sz,
273                 vpx_codec_err_t       *res)
274{
275    *res = VPX_CODEC_OK;
276
277    if (ctx->fragments.count == 0)
278    {
279        /* New frame, reset fragment pointers and sizes */
280        memset((void*)ctx->fragments.ptrs, 0, sizeof(ctx->fragments.ptrs));
281        memset(ctx->fragments.sizes, 0, sizeof(ctx->fragments.sizes));
282    }
283    if (ctx->fragments.enabled && !(data == NULL && data_sz == 0))
284    {
285        /* Store a pointer to this fragment and return. We haven't
286         * received the complete frame yet, so we will wait with decoding.
287         */
288        ctx->fragments.ptrs[ctx->fragments.count] = data;
289        ctx->fragments.sizes[ctx->fragments.count] = data_sz;
290        ctx->fragments.count++;
291        if (ctx->fragments.count > (1 << EIGHT_PARTITION) + 1)
292        {
293            ctx->fragments.count = 0;
294            *res = VPX_CODEC_INVALID_PARAM;
295            return -1;
296        }
297        return 0;
298    }
299
300    if (!ctx->fragments.enabled && (data == NULL && data_sz == 0))
301    {
302        return 0;
303    }
304
305    if (!ctx->fragments.enabled)
306    {
307        ctx->fragments.ptrs[0] = data;
308        ctx->fragments.sizes[0] = data_sz;
309        ctx->fragments.count = 1;
310    }
311
312    return 1;
313}
314
315static vpx_codec_err_t vp8_decode(vpx_codec_alg_priv_t  *ctx,
316                                  const uint8_t         *data,
317                                  unsigned int            data_sz,
318                                  void                    *user_priv,
319                                  long                    deadline)
320{
321    vpx_codec_err_t res = VPX_CODEC_OK;
322    unsigned int resolution_change = 0;
323    unsigned int w, h;
324
325    if (!ctx->fragments.enabled && (data == NULL && data_sz == 0))
326    {
327        return 0;
328    }
329
330    /* Update the input fragment data */
331    if(update_fragments(ctx, data, data_sz, &res) <= 0)
332        return res;
333
334    /* Determine the stream parameters. Note that we rely on peek_si to
335     * validate that we have a buffer that does not wrap around the top
336     * of the heap.
337     */
338    w = ctx->si.w;
339    h = ctx->si.h;
340
341    res = vp8_peek_si_internal(ctx->fragments.ptrs[0], ctx->fragments.sizes[0],
342                               &ctx->si, ctx->decrypt_cb, ctx->decrypt_state);
343
344    if((res == VPX_CODEC_UNSUP_BITSTREAM) && !ctx->si.is_kf)
345    {
346        /* the peek function returns an error for non keyframes, however for
347         * this case, it is not an error */
348        res = VPX_CODEC_OK;
349    }
350
351    if(!ctx->decoder_init && !ctx->si.is_kf)
352        res = VPX_CODEC_UNSUP_BITSTREAM;
353
354    if ((ctx->si.h != h) || (ctx->si.w != w))
355        resolution_change = 1;
356
357    /* Initialize the decoder instance on the first frame*/
358    if (!res && !ctx->decoder_init)
359    {
360      VP8D_CONFIG oxcf;
361
362      oxcf.Width = ctx->si.w;
363      oxcf.Height = ctx->si.h;
364      oxcf.Version = 9;
365      oxcf.postprocess = 0;
366      oxcf.max_threads = ctx->cfg.threads;
367      oxcf.error_concealment =
368          (ctx->base.init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT);
369
370      /* If postprocessing was enabled by the application and a
371       * configuration has not been provided, default it.
372       */
373       if (!ctx->postproc_cfg_set
374           && (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)) {
375         ctx->postproc_cfg.post_proc_flag =
376             VP8_DEBLOCK | VP8_DEMACROBLOCK | VP8_MFQE;
377         ctx->postproc_cfg.deblocking_level = 4;
378         ctx->postproc_cfg.noise_level = 0;
379       }
380
381       res = vp8_create_decoder_instances(&ctx->yv12_frame_buffers, &oxcf);
382       ctx->decoder_init = 1;
383    }
384
385    /* Set these even if already initialized.  The caller may have changed the
386     * decrypt config between frames.
387     */
388    if (ctx->decoder_init) {
389      ctx->yv12_frame_buffers.pbi[0]->decrypt_cb = ctx->decrypt_cb;
390      ctx->yv12_frame_buffers.pbi[0]->decrypt_state = ctx->decrypt_state;
391    }
392
393    if (!res)
394    {
395        VP8D_COMP *pbi = ctx->yv12_frame_buffers.pbi[0];
396        if (resolution_change)
397        {
398            VP8_COMMON *const pc = & pbi->common;
399            MACROBLOCKD *const xd  = & pbi->mb;
400#if CONFIG_MULTITHREAD
401            int i;
402#endif
403            pc->Width = ctx->si.w;
404            pc->Height = ctx->si.h;
405            {
406                int prev_mb_rows = pc->mb_rows;
407
408                if (setjmp(pbi->common.error.jmp))
409                {
410                    pbi->common.error.setjmp = 0;
411                    vp8_clear_system_state();
412                    /* same return value as used in vp8dx_receive_compressed_data */
413                    return -1;
414                }
415
416                pbi->common.error.setjmp = 1;
417
418                if (pc->Width <= 0)
419                {
420                    pc->Width = w;
421                    vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
422                                       "Invalid frame width");
423                }
424
425                if (pc->Height <= 0)
426                {
427                    pc->Height = h;
428                    vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
429                                       "Invalid frame height");
430                }
431
432                if (vp8_alloc_frame_buffers(pc, pc->Width, pc->Height))
433                    vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
434                                       "Failed to allocate frame buffers");
435
436                xd->pre = pc->yv12_fb[pc->lst_fb_idx];
437                xd->dst = pc->yv12_fb[pc->new_fb_idx];
438
439#if CONFIG_MULTITHREAD
440                for (i = 0; i < pbi->allocated_decoding_thread_count; i++)
441                {
442                    pbi->mb_row_di[i].mbd.dst = pc->yv12_fb[pc->new_fb_idx];
443                    vp8_build_block_doffsets(&pbi->mb_row_di[i].mbd);
444                }
445#endif
446                vp8_build_block_doffsets(&pbi->mb);
447
448                /* allocate memory for last frame MODE_INFO array */
449#if CONFIG_ERROR_CONCEALMENT
450
451                if (pbi->ec_enabled)
452                {
453                    /* old prev_mip was released by vp8_de_alloc_frame_buffers()
454                     * called in vp8_alloc_frame_buffers() */
455                    pc->prev_mip = vpx_calloc(
456                                       (pc->mb_cols + 1) * (pc->mb_rows + 1),
457                                       sizeof(MODE_INFO));
458
459                    if (!pc->prev_mip)
460                    {
461                        vp8_de_alloc_frame_buffers(pc);
462                        vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
463                                           "Failed to allocate"
464                                           "last frame MODE_INFO array");
465                    }
466
467                    pc->prev_mi = pc->prev_mip + pc->mode_info_stride + 1;
468
469                    if (vp8_alloc_overlap_lists(pbi))
470                        vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
471                                           "Failed to allocate overlap lists "
472                                           "for error concealment");
473                }
474
475#endif
476
477#if CONFIG_MULTITHREAD
478                if (pbi->b_multithreaded_rd)
479                    vp8mt_alloc_temp_buffers(pbi, pc->Width, prev_mb_rows);
480#else
481                (void)prev_mb_rows;
482#endif
483            }
484
485            pbi->common.error.setjmp = 0;
486
487            /* required to get past the first get_free_fb() call */
488            pbi->common.fb_idx_ref_cnt[0] = 0;
489        }
490
491        /* update the pbi fragment data */
492        pbi->fragments = ctx->fragments;
493
494        ctx->user_priv = user_priv;
495        if (vp8dx_receive_compressed_data(pbi, data_sz, data, deadline))
496        {
497            res = update_error_state(ctx, &pbi->common.error);
498        }
499
500        /* get ready for the next series of fragments */
501        ctx->fragments.count = 0;
502    }
503
504    return res;
505}
506
507static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t  *ctx,
508                                  vpx_codec_iter_t      *iter)
509{
510    vpx_image_t *img = NULL;
511
512    /* iter acts as a flip flop, so an image is only returned on the first
513     * call to get_frame.
514     */
515    if (!(*iter) && ctx->yv12_frame_buffers.pbi[0])
516    {
517        YV12_BUFFER_CONFIG sd;
518        int64_t time_stamp = 0, time_end_stamp = 0;
519        vp8_ppflags_t flags = {0};
520
521        if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
522        {
523            flags.post_proc_flag= ctx->postproc_cfg.post_proc_flag
524#if CONFIG_POSTPROC_VISUALIZER
525
526                                | ((ctx->dbg_color_ref_frame_flag != 0) ? VP8D_DEBUG_CLR_FRM_REF_BLKS : 0)
527                                | ((ctx->dbg_color_mb_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
528                                | ((ctx->dbg_color_b_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
529                                | ((ctx->dbg_display_mv_flag != 0) ? VP8D_DEBUG_DRAW_MV : 0)
530#endif
531                                ;
532            flags.deblocking_level      = ctx->postproc_cfg.deblocking_level;
533            flags.noise_level           = ctx->postproc_cfg.noise_level;
534#if CONFIG_POSTPROC_VISUALIZER
535            flags.display_ref_frame_flag= ctx->dbg_color_ref_frame_flag;
536            flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag;
537            flags.display_b_modes_flag  = ctx->dbg_color_b_modes_flag;
538            flags.display_mv_flag       = ctx->dbg_display_mv_flag;
539#endif
540        }
541
542        if (0 == vp8dx_get_raw_frame(ctx->yv12_frame_buffers.pbi[0], &sd,
543                                     &time_stamp, &time_end_stamp, &flags))
544        {
545            yuvconfig2image(&ctx->img, &sd, ctx->user_priv);
546
547            img = &ctx->img;
548            *iter = img;
549        }
550    }
551
552    return img;
553}
554
555static vpx_codec_err_t image2yuvconfig(const vpx_image_t   *img,
556                                       YV12_BUFFER_CONFIG  *yv12)
557{
558    const int y_w = img->d_w;
559    const int y_h = img->d_h;
560    const int uv_w = (img->d_w + 1) / 2;
561    const int uv_h = (img->d_h + 1) / 2;
562    vpx_codec_err_t        res = VPX_CODEC_OK;
563    yv12->y_buffer = img->planes[VPX_PLANE_Y];
564    yv12->u_buffer = img->planes[VPX_PLANE_U];
565    yv12->v_buffer = img->planes[VPX_PLANE_V];
566
567    yv12->y_crop_width  = y_w;
568    yv12->y_crop_height = y_h;
569    yv12->y_width  = y_w;
570    yv12->y_height = y_h;
571    yv12->uv_crop_width = uv_w;
572    yv12->uv_crop_height = uv_h;
573    yv12->uv_width = uv_w;
574    yv12->uv_height = uv_h;
575
576    yv12->y_stride = img->stride[VPX_PLANE_Y];
577    yv12->uv_stride = img->stride[VPX_PLANE_U];
578
579    yv12->border  = (img->stride[VPX_PLANE_Y] - img->d_w) / 2;
580    return res;
581}
582
583
584static vpx_codec_err_t vp8_set_reference(vpx_codec_alg_priv_t *ctx,
585                                         va_list args)
586{
587
588    vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
589
590    if (data && !ctx->yv12_frame_buffers.use_frame_threads)
591    {
592        vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
593        YV12_BUFFER_CONFIG sd;
594
595        image2yuvconfig(&frame->img, &sd);
596
597        return vp8dx_set_reference(ctx->yv12_frame_buffers.pbi[0],
598                                   frame->frame_type, &sd);
599    }
600    else
601        return VPX_CODEC_INVALID_PARAM;
602
603}
604
605static vpx_codec_err_t vp8_get_reference(vpx_codec_alg_priv_t *ctx,
606                                         va_list args)
607{
608
609    vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
610
611    if (data && !ctx->yv12_frame_buffers.use_frame_threads)
612    {
613        vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
614        YV12_BUFFER_CONFIG sd;
615
616        image2yuvconfig(&frame->img, &sd);
617
618        return vp8dx_get_reference(ctx->yv12_frame_buffers.pbi[0],
619                                   frame->frame_type, &sd);
620    }
621    else
622        return VPX_CODEC_INVALID_PARAM;
623
624}
625
626static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx,
627                                        va_list args)
628{
629#if CONFIG_POSTPROC
630    vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
631
632    if (data)
633    {
634        ctx->postproc_cfg_set = 1;
635        ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
636        return VPX_CODEC_OK;
637    }
638    else
639        return VPX_CODEC_INVALID_PARAM;
640
641#else
642    (void)ctx;
643    (void)args;
644    return VPX_CODEC_INCAPABLE;
645#endif
646}
647
648
649static vpx_codec_err_t vp8_set_dbg_color_ref_frame(vpx_codec_alg_priv_t *ctx,
650                                                   va_list args) {
651#if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
652  ctx->dbg_color_ref_frame_flag = va_arg(args, int);
653  return VPX_CODEC_OK;
654#else
655  (void)ctx;
656  (void)args;
657  return VPX_CODEC_INCAPABLE;
658#endif
659}
660
661static vpx_codec_err_t vp8_set_dbg_color_mb_modes(vpx_codec_alg_priv_t *ctx,
662                                                  va_list args) {
663#if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
664  ctx->dbg_color_mb_modes_flag = va_arg(args, int);
665  return VPX_CODEC_OK;
666#else
667  (void)ctx;
668  (void)args;
669  return VPX_CODEC_INCAPABLE;
670#endif
671}
672
673static vpx_codec_err_t vp8_set_dbg_color_b_modes(vpx_codec_alg_priv_t *ctx,
674                                                 va_list args) {
675#if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
676  ctx->dbg_color_b_modes_flag = va_arg(args, int);
677  return VPX_CODEC_OK;
678#else
679  (void)ctx;
680  (void)args;
681  return VPX_CODEC_INCAPABLE;
682#endif
683}
684
685static vpx_codec_err_t vp8_set_dbg_display_mv(vpx_codec_alg_priv_t *ctx,
686                                              va_list args) {
687#if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
688  ctx->dbg_display_mv_flag = va_arg(args, int);
689  return VPX_CODEC_OK;
690#else
691  (void)ctx;
692  (void)args;
693  return VPX_CODEC_INCAPABLE;
694#endif
695}
696
697static vpx_codec_err_t vp8_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
698                                                va_list args)
699{
700    int *update_info = va_arg(args, int *);
701
702    if (update_info && !ctx->yv12_frame_buffers.use_frame_threads)
703    {
704        VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
705
706        *update_info = pbi->common.refresh_alt_ref_frame * (int) VP8_ALTR_FRAME
707            + pbi->common.refresh_golden_frame * (int) VP8_GOLD_FRAME
708            + pbi->common.refresh_last_frame * (int) VP8_LAST_FRAME;
709
710        return VPX_CODEC_OK;
711    }
712    else
713        return VPX_CODEC_INVALID_PARAM;
714}
715
716extern int vp8dx_references_buffer( VP8_COMMON *oci, int ref_frame );
717static vpx_codec_err_t vp8_get_last_ref_frame(vpx_codec_alg_priv_t *ctx,
718                                              va_list args)
719{
720    int *ref_info = va_arg(args, int *);
721
722    if (ref_info && !ctx->yv12_frame_buffers.use_frame_threads)
723    {
724        VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
725        VP8_COMMON *oci = &pbi->common;
726        *ref_info =
727            (vp8dx_references_buffer( oci, ALTREF_FRAME )?VP8_ALTR_FRAME:0) |
728            (vp8dx_references_buffer( oci, GOLDEN_FRAME )?VP8_GOLD_FRAME:0) |
729            (vp8dx_references_buffer( oci, LAST_FRAME )?VP8_LAST_FRAME:0);
730
731        return VPX_CODEC_OK;
732    }
733    else
734        return VPX_CODEC_INVALID_PARAM;
735}
736
737static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
738                                               va_list args)
739{
740
741    int *corrupted = va_arg(args, int *);
742    VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
743
744    if (corrupted && pbi)
745    {
746        const YV12_BUFFER_CONFIG *const frame = pbi->common.frame_to_show;
747        if (frame == NULL) return VPX_CODEC_ERROR;
748        *corrupted = frame->corrupted;
749        return VPX_CODEC_OK;
750    }
751    else
752        return VPX_CODEC_INVALID_PARAM;
753
754}
755
756static vpx_codec_err_t vp8_set_decryptor(vpx_codec_alg_priv_t *ctx,
757                                         va_list args)
758{
759    vpx_decrypt_init *init = va_arg(args, vpx_decrypt_init *);
760
761    if (init)
762    {
763        ctx->decrypt_cb = init->decrypt_cb;
764        ctx->decrypt_state = init->decrypt_state;
765    }
766    else
767    {
768        ctx->decrypt_cb = NULL;
769        ctx->decrypt_state = NULL;
770    }
771    return VPX_CODEC_OK;
772}
773
774vpx_codec_ctrl_fn_map_t vp8_ctf_maps[] =
775{
776    {VP8_SET_REFERENCE,             vp8_set_reference},
777    {VP8_COPY_REFERENCE,            vp8_get_reference},
778    {VP8_SET_POSTPROC,              vp8_set_postproc},
779    {VP8_SET_DBG_COLOR_REF_FRAME,   vp8_set_dbg_color_ref_frame},
780    {VP8_SET_DBG_COLOR_MB_MODES,    vp8_set_dbg_color_mb_modes},
781    {VP8_SET_DBG_COLOR_B_MODES,     vp8_set_dbg_color_b_modes},
782    {VP8_SET_DBG_DISPLAY_MV,        vp8_set_dbg_display_mv},
783    {VP8D_GET_LAST_REF_UPDATES,     vp8_get_last_ref_updates},
784    {VP8D_GET_FRAME_CORRUPTED,      vp8_get_frame_corrupted},
785    {VP8D_GET_LAST_REF_USED,        vp8_get_last_ref_frame},
786    {VPXD_SET_DECRYPTOR,            vp8_set_decryptor},
787    { -1, NULL},
788};
789
790
791#ifndef VERSION_STRING
792#define VERSION_STRING
793#endif
794CODEC_INTERFACE(vpx_codec_vp8_dx) =
795{
796    "WebM Project VP8 Decoder" VERSION_STRING,
797    VPX_CODEC_INTERNAL_ABI_VERSION,
798    VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC | VP8_CAP_ERROR_CONCEALMENT |
799    VPX_CODEC_CAP_INPUT_FRAGMENTS,
800    /* vpx_codec_caps_t          caps; */
801    vp8_init,         /* vpx_codec_init_fn_t       init; */
802    vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
803    vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
804    {
805        vp8_peek_si,      /* vpx_codec_peek_si_fn_t    peek_si; */
806        vp8_get_si,       /* vpx_codec_get_si_fn_t     get_si; */
807        vp8_decode,       /* vpx_codec_decode_fn_t     decode; */
808        vp8_get_frame,    /* vpx_codec_frame_get_fn_t  frame_get; */
809        NULL,
810    },
811    { /* encoder functions */
812        0,
813        NULL,
814        NULL,
815        NULL,
816        NULL,
817        NULL,
818        NULL
819    }
820};
821