vp9_dx_iface.c 19.4 KB
Newer Older
John Koleszar's avatar
John Koleszar committed
1
/*
2
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
John Koleszar's avatar
John Koleszar committed
3
 *
4
 *  Use of this source code is governed by a BSD-style license
5
6
 *  that can be found in the LICENSE file in the root of the source
 *  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.
John Koleszar's avatar
John Koleszar committed
9
10
11
12
 */

#include <stdlib.h>
#include <string.h>
13

14
#include "./vpx_version.h"
15
16
17
18
19

#include "vpx/internal/vpx_codec_internal.h"
#include "vpx/vp8dx.h"
#include "vpx/vpx_decoder.h"

20
#include "vp9/common/vp9_frame_buffers.h"
21

22
#include "vp9/decoder/vp9_decoder.h"
23
#include "vp9/decoder/vp9_read_bit_buffer.h"
24

John Koleszar's avatar
John Koleszar committed
25
#include "vp9/vp9_iface_common.h"
John Koleszar's avatar
John Koleszar committed
26

27
#define VP9_CAP_POSTPROC (CONFIG_VP9_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
28
29

typedef vpx_codec_stream_info_t vp9_stream_info_t;
John Koleszar's avatar
John Koleszar committed
30

John Koleszar's avatar
John Koleszar committed
31
32
33
struct vpx_codec_alg_priv {
  vpx_codec_priv_t        base;
  vpx_codec_dec_cfg_t     cfg;
34
  vp9_stream_info_t       si;
35
  struct VP9Decoder *pbi;
John Koleszar's avatar
John Koleszar committed
36
37
  int                     postproc_cfg_set;
  vp8_postproc_cfg_t      postproc_cfg;
38
39
  vpx_decrypt_cb          decrypt_cb;
  void                   *decrypt_state;
John Koleszar's avatar
John Koleszar committed
40
41
  vpx_image_t             img;
  int                     img_avail;
42
  int                     invert_tile_order;
43
44
45
46
47

  // External frame buffer info to save for VP9 common.
  void *ext_priv;  // Private data associated with the external frame buffers.
  vpx_get_frame_buffer_cb_fn_t get_ext_fb_cb;
  vpx_release_frame_buffer_cb_fn_t release_ext_fb_cb;
John Koleszar's avatar
John Koleszar committed
48
49
};

50
51
static vpx_codec_err_t decoder_init(vpx_codec_ctx_t *ctx,
                            vpx_codec_priv_enc_mr_cfg_t *data) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
52
53
54
  // This function only allocates space for the vpx_codec_alg_priv_t
  // structure. More memory may be required at the time the stream
  // information becomes known.
John Koleszar's avatar
John Koleszar committed
55
  if (!ctx->priv) {
56
57
    vpx_codec_alg_priv_t *alg_priv = vpx_memalign(32, sizeof(*alg_priv));
    if (alg_priv == NULL)
58
59
      return VPX_CODEC_MEM_ERROR;

60
61
62
    vp9_zero(*alg_priv);

    ctx->priv = (vpx_codec_priv_t *)alg_priv;
63
64
    ctx->priv->sz = sizeof(*ctx->priv);
    ctx->priv->iface = ctx->iface;
65
    ctx->priv->alg_priv = alg_priv;
66
67
68
69
70
71
72
    ctx->priv->alg_priv->si.sz = sizeof(ctx->priv->alg_priv->si);
    ctx->priv->init_flags = ctx->init_flags;

    if (ctx->config.dec) {
      // Update the reference to the config structure to an internal copy.
      ctx->priv->alg_priv->cfg = *ctx->config.dec;
      ctx->config.dec = &ctx->priv->alg_priv->cfg;
John Koleszar's avatar
John Koleszar committed
73
    }
John Koleszar's avatar
John Koleszar committed
74
  }
John Koleszar's avatar
John Koleszar committed
75

76
  return VPX_CODEC_OK;
John Koleszar's avatar
John Koleszar committed
77
78
}

79
80
81
82
83
static vpx_codec_err_t decoder_destroy(vpx_codec_alg_priv_t *ctx) {
  if (ctx->pbi) {
    vp9_decoder_remove(ctx->pbi);
    ctx->pbi = NULL;
  }
John Koleszar's avatar
John Koleszar committed
84

85
86
  vpx_free(ctx);

John Koleszar's avatar
John Koleszar committed
87
  return VPX_CODEC_OK;
John Koleszar's avatar
John Koleszar committed
88
89
}

90
91
92
93
94
95
96
static vpx_codec_err_t decoder_peek_si_internal(const uint8_t *data,
                                                unsigned int data_sz,
                                                vpx_codec_stream_info_t *si,
                                                vpx_decrypt_cb decrypt_cb,
                                                void *decrypt_state) {
  uint8_t clear_buffer[9];

97
98
99
100
101
  if (data_sz <= 8)
    return VPX_CODEC_UNSUP_BITSTREAM;

  if (data + data_sz <= data)
    return VPX_CODEC_INVALID_PARAM;
102
103
104

  si->is_kf = 0;
  si->w = si->h = 0;
John Koleszar's avatar
John Koleszar committed
105

106
107
108
109
110
111
  if (decrypt_cb) {
    data_sz = MIN(sizeof(clear_buffer), data_sz);
    decrypt_cb(decrypt_state, data, clear_buffer, data_sz);
    data = clear_buffer;
  }

112
113
114
  {
    struct vp9_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
    const int frame_marker = vp9_rb_read_literal(&rb, 2);
115
116
117
    const int version = vp9_rb_read_bit(&rb);
    (void) vp9_rb_read_bit(&rb);  // unused version bit

118
119
    if (frame_marker != VP9_FRAME_MARKER)
      return VPX_CODEC_UNSUP_BITSTREAM;
120
121
122
123
124
    if (version > 1) return VPX_CODEC_UNSUP_BITSTREAM;

    if (vp9_rb_read_bit(&rb)) {  // show an existing frame
      return VPX_CODEC_OK;
    }
James Zern's avatar
James Zern committed
125

126
    si->is_kf = !vp9_rb_read_bit(&rb);
James Zern's avatar
James Zern committed
127
    if (si->is_kf) {
128
129
      const int sRGB = 7;
      int colorspace;
John Koleszar's avatar
John Koleszar committed
130

131
132
      rb.bit_offset += 1;  // show frame
      rb.bit_offset += 1;  // error resilient
John Koleszar's avatar
John Koleszar committed
133

134
135
136
      if (vp9_rb_read_literal(&rb, 8) != VP9_SYNC_CODE_0 ||
          vp9_rb_read_literal(&rb, 8) != VP9_SYNC_CODE_1 ||
          vp9_rb_read_literal(&rb, 8) != VP9_SYNC_CODE_2) {
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
        return VPX_CODEC_UNSUP_BITSTREAM;
      }

      colorspace = vp9_rb_read_literal(&rb, 3);
      if (colorspace != sRGB) {
        rb.bit_offset += 1;  // [16,235] (including xvycc) vs [0,255] range
        if (version == 1) {
          rb.bit_offset += 2;  // subsampling x/y
          rb.bit_offset += 1;  // has extra plane
        }
      } else {
        if (version == 1) {
          rb.bit_offset += 1;  // has extra plane
        } else {
          // RGB is only available in version 1
          return VPX_CODEC_UNSUP_BITSTREAM;
        }
      }

      // TODO(jzern): these are available on non-keyframes in intra only mode.
      si->w = vp9_rb_read_literal(&rb, 16) + 1;
      si->h = vp9_rb_read_literal(&rb, 16) + 1;
James Zern's avatar
James Zern committed
159
    }
John Koleszar's avatar
John Koleszar committed
160
161
  }

162
  return VPX_CODEC_OK;
John Koleszar's avatar
John Koleszar committed
163
164
}

165
166
167
168
169
170
static vpx_codec_err_t decoder_peek_si(const uint8_t *data,
                                       unsigned int data_sz,
                                       vpx_codec_stream_info_t *si) {
  return decoder_peek_si_internal(data, data_sz, si, NULL, NULL);
}

171
172
static vpx_codec_err_t decoder_get_si(vpx_codec_alg_priv_t *ctx,
                                      vpx_codec_stream_info_t *si) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
173
174
175
  const size_t sz = (si->sz >= sizeof(vp9_stream_info_t))
                       ? sizeof(vp9_stream_info_t)
                       : sizeof(vpx_codec_stream_info_t);
John Koleszar's avatar
John Koleszar committed
176
  memcpy(si, &ctx->si, sz);
177
  si->sz = (unsigned int)sz;
John Koleszar's avatar
John Koleszar committed
178

John Koleszar's avatar
John Koleszar committed
179
  return VPX_CODEC_OK;
John Koleszar's avatar
John Koleszar committed
180
181
}

Dmitry Kovalev's avatar
Dmitry Kovalev committed
182
183
184
185
static vpx_codec_err_t update_error_state(vpx_codec_alg_priv_t *ctx,
                           const struct vpx_internal_error_info *error) {
  if (error->error_code)
    ctx->base.err_detail = error->has_detail ? error->detail : NULL;
John Koleszar's avatar
John Koleszar committed
186

Dmitry Kovalev's avatar
Dmitry Kovalev committed
187
  return error->error_code;
John Koleszar's avatar
John Koleszar committed
188
189
}

190
191
192
static void init_buffer_callbacks(vpx_codec_alg_priv_t *ctx) {
  VP9_COMMON *const cm = &ctx->pbi->common;

193
  cm->new_fb_idx = -1;
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226

  if (ctx->get_ext_fb_cb != NULL && ctx->release_ext_fb_cb != NULL) {
    cm->get_fb_cb = ctx->get_ext_fb_cb;
    cm->release_fb_cb = ctx->release_ext_fb_cb;
    cm->cb_priv = ctx->ext_priv;
  } else {
    cm->get_fb_cb = vp9_get_frame_buffer;
    cm->release_fb_cb = vp9_release_frame_buffer;

    if (vp9_alloc_internal_frame_buffers(&cm->int_frame_buffers))
      vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
                         "Failed to initialize internal frame buffers");

    cm->cb_priv = &cm->int_frame_buffers;
  }
}

static void set_default_ppflags(vp8_postproc_cfg_t *cfg) {
  cfg->post_proc_flag = VP8_DEBLOCK | VP8_DEMACROBLOCK;
  cfg->deblocking_level = 4;
  cfg->noise_level = 0;
}

static void set_ppflags(const vpx_codec_alg_priv_t *ctx,
                        vp9_ppflags_t *flags) {
  flags->post_proc_flag =
      ctx->postproc_cfg.post_proc_flag;

  flags->deblocking_level = ctx->postproc_cfg.deblocking_level;
  flags->noise_level = ctx->postproc_cfg.noise_level;
}

static void init_decoder(vpx_codec_alg_priv_t *ctx) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
227
  ctx->pbi = vp9_decoder_create();
228
229
230
  if (ctx->pbi == NULL)
    return;

Dmitry Kovalev's avatar
Dmitry Kovalev committed
231
232
233
  ctx->pbi->max_threads = ctx->cfg.threads;
  ctx->pbi->inv_tile_order = ctx->invert_tile_order;

234
235
236
237
238
239
240
241
242
  // If postprocessing was enabled by the application and a
  // configuration has not been provided, default it.
  if (!ctx->postproc_cfg_set &&
      (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC))
    set_default_ppflags(&ctx->postproc_cfg);

  init_buffer_callbacks(ctx);
}

Dmitry Kovalev's avatar
Dmitry Kovalev committed
243
244
245
static vpx_codec_err_t decode_one(vpx_codec_alg_priv_t *ctx,
                                  const uint8_t **data, unsigned int data_sz,
                                  void *user_priv, int64_t deadline) {
246
247
248
  YV12_BUFFER_CONFIG sd = { 0 };
  vp9_ppflags_t flags = {0};
  VP9_COMMON *cm = NULL;
John Koleszar's avatar
John Koleszar committed
249

250
251
  (void)deadline;

John Koleszar's avatar
John Koleszar committed
252
  ctx->img_avail = 0;
John Koleszar's avatar
John Koleszar committed
253

254
255
256
  // Determine the stream parameters. Note that we rely on peek_si to
  // validate that we have a buffer that does not wrap around the top
  // of the heap.
257
258
  if (!ctx->si.h) {
    const vpx_codec_err_t res =
259
260
        decoder_peek_si_internal(*data, data_sz, &ctx->si, ctx->decrypt_cb,
                                 ctx->decrypt_state);
261
262
    if (res != VPX_CODEC_OK)
      return res;
263
264
265

    if (!ctx->si.is_kf)
      return VPX_CODEC_ERROR;
266
  }
267

268
  // Initialize the decoder instance on the first frame
269
  if (ctx->pbi == NULL) {
270
271
272
    init_decoder(ctx);
    if (ctx->pbi == NULL)
      return VPX_CODEC_ERROR;
John Koleszar's avatar
John Koleszar committed
273
274
  }

275
276
277
278
279
  // Set these even if already initialized.  The caller may have changed the
  // decrypt config between frames.
  ctx->pbi->decrypt_cb = ctx->decrypt_cb;
  ctx->pbi->decrypt_state = ctx->decrypt_state;

280
  cm = &ctx->pbi->common;
John Koleszar's avatar
John Koleszar committed
281

282
  if (vp9_receive_compressed_data(ctx->pbi, data_sz, data))
283
    return update_error_state(ctx, &cm->error);
John Koleszar's avatar
John Koleszar committed
284

285
286
  if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
    set_ppflags(ctx, &flags);
John Koleszar's avatar
John Koleszar committed
287

288
  if (vp9_get_raw_frame(ctx->pbi, &sd, &flags))
289
    return update_error_state(ctx, &cm->error);
290

291
292
293
  yuvconfig2image(&ctx->img, &sd, user_priv);
  ctx->img.fb_priv = cm->frame_bufs[cm->new_fb_idx].raw_frame_buffer.priv;
  ctx->img_avail = 1;
John Koleszar's avatar
John Koleszar committed
294

295
  return VPX_CODEC_OK;
John Koleszar's avatar
John Koleszar committed
296
297
}

298
299
300
301
302
303
304
305
306
307
308
static INLINE uint8_t read_marker(vpx_decrypt_cb decrypt_cb,
                                  void *decrypt_state,
                                  const uint8_t *data) {
  if (decrypt_cb) {
    uint8_t marker;
    decrypt_cb(decrypt_state, data, &marker, 1);
    return marker;
  }
  return *data;
}

Dmitry Kovalev's avatar
Dmitry Kovalev committed
309
static void parse_superframe_index(const uint8_t *data, size_t data_sz,
310
311
312
                                   uint32_t sizes[8], int *count,
                                   vpx_decrypt_cb decrypt_cb,
                                   void *decrypt_state) {
John Koleszar's avatar
John Koleszar committed
313
314
315
  uint8_t marker;

  assert(data_sz);
316
  marker = read_marker(decrypt_cb, decrypt_state, data + data_sz - 1);
John Koleszar's avatar
John Koleszar committed
317
318
  *count = 0;

319
  if ((marker & 0xe0) == 0xc0) {
Johann's avatar
Johann committed
320
321
322
    const uint32_t frames = (marker & 0x7) + 1;
    const uint32_t mag = ((marker >> 3) & 0x3) + 1;
    const size_t index_sz = 2 + mag * frames;
John Koleszar's avatar
John Koleszar committed
323

324
325
326
327
    uint8_t marker2 = read_marker(decrypt_cb, decrypt_state,
                                  data + data_sz - index_sz);

    if (data_sz >= index_sz && marker2 == marker) {
John Koleszar's avatar
John Koleszar committed
328
      // found a valid superframe index
Johann's avatar
Johann committed
329
      uint32_t i, j;
330
      const uint8_t *x = &data[data_sz - index_sz + 1];
John Koleszar's avatar
John Koleszar committed
331

332
333
334
335
336
337
338
339
      // frames has a maximum of 8 and mag has a maximum of 4.
      uint8_t clear_buffer[32];
      assert(sizeof(clear_buffer) >= frames * mag);
      if (decrypt_cb) {
        decrypt_cb(decrypt_state, x, clear_buffer, frames * mag);
        x = clear_buffer;
      }

John Koleszar's avatar
John Koleszar committed
340
      for (i = 0; i < frames; i++) {
Johann's avatar
Johann committed
341
        uint32_t this_sz = 0;
John Koleszar's avatar
John Koleszar committed
342
343
344
345
346
347
348
349
350
351
352

        for (j = 0; j < mag; j++)
          this_sz |= (*x++) << (j * 8);
        sizes[i] = this_sz;
      }

      *count = frames;
    }
  }
}

353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
static vpx_codec_err_t decode_one_iter(vpx_codec_alg_priv_t *ctx,
                                       const uint8_t **data_start_ptr,
                                       const uint8_t *data_end,
                                       uint32_t frame_size, void *user_priv,
                                       long deadline) {
  const vpx_codec_err_t res = decode_one(ctx, data_start_ptr, frame_size,
                                         user_priv, deadline);
  if (res != VPX_CODEC_OK)
    return res;

  // Account for suboptimal termination by the encoder.
  while (*data_start_ptr < data_end) {
    const uint8_t marker = read_marker(ctx->decrypt_cb, ctx->decrypt_state,
                                       *data_start_ptr);
    if (marker)
      break;
    (*data_start_ptr)++;
  }

  return VPX_CODEC_OK;
}

375
376
377
static vpx_codec_err_t decoder_decode(vpx_codec_alg_priv_t *ctx,
                                      const uint8_t *data, unsigned int data_sz,
                                      void *user_priv, long deadline) {
378
  const uint8_t *data_start = data;
379
380
381
382
  const uint8_t *const data_end = data + data_sz;
  vpx_codec_err_t res;
  uint32_t frame_sizes[8];
  int frame_count;
John Koleszar's avatar
John Koleszar committed
383

384
385
  if (data == NULL || data_sz == 0)
    return VPX_CODEC_INVALID_PARAM;
386

387
  parse_superframe_index(data, data_sz, frame_sizes, &frame_count,
388
                         ctx->decrypt_cb, ctx->decrypt_state);
389

390
391
  if (frame_count > 0) {
    int i;
John Koleszar's avatar
John Koleszar committed
392

393
394
    for (i = 0; i < frame_count; ++i) {
      const uint32_t frame_size = frame_sizes[i];
395
396
      if (data_start < data ||
          frame_size > (uint32_t)(data_end - data_start)) {
John Koleszar's avatar
John Koleszar committed
397
398
399
400
        ctx->base.err_detail = "Invalid frame size in index";
        return VPX_CODEC_CORRUPT_FRAME;
      }

401
402
403
404
      res = decode_one_iter(ctx, &data_start, data_end, frame_size,
                            user_priv, deadline);
      if (res != VPX_CODEC_OK)
        return res;
John Koleszar's avatar
John Koleszar committed
405
    }
406
  } else {
407
    while (data_start < data_end) {
408
409
      res = decode_one_iter(ctx, &data_start, data_end,
                            (uint32_t)(data_end - data_start),
410
411
412
                            user_priv, deadline);
      if (res != VPX_CODEC_OK)
        return res;
413
    }
414
  }
415

416
  return VPX_CODEC_OK;
417
418
}

419
420
static vpx_image_t *decoder_get_frame(vpx_codec_alg_priv_t *ctx,
                                      vpx_codec_iter_t *iter) {
John Koleszar's avatar
John Koleszar committed
421
422
423
  vpx_image_t *img = NULL;

  if (ctx->img_avail) {
424
425
    // iter acts as a flip flop, so an image is only returned on the first
    // call to get_frame.
John Koleszar's avatar
John Koleszar committed
426
427
428
    if (!(*iter)) {
      img = &ctx->img;
      *iter = img;
John Koleszar's avatar
John Koleszar committed
429
    }
John Koleszar's avatar
John Koleszar committed
430
  }
431
  ctx->img_avail = 0;
John Koleszar's avatar
John Koleszar committed
432

John Koleszar's avatar
John Koleszar committed
433
  return img;
John Koleszar's avatar
John Koleszar committed
434
435
}

436
static vpx_codec_err_t decoder_set_fb_fn(
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
    vpx_codec_alg_priv_t *ctx,
    vpx_get_frame_buffer_cb_fn_t cb_get,
    vpx_release_frame_buffer_cb_fn_t cb_release, void *cb_priv) {
  if (cb_get == NULL || cb_release == NULL) {
    return VPX_CODEC_INVALID_PARAM;
  } else if (ctx->pbi == NULL) {
    // If the decoder has already been initialized, do not accept changes to
    // the frame buffer functions.
    ctx->get_ext_fb_cb = cb_get;
    ctx->release_ext_fb_cb = cb_release;
    ctx->ext_priv = cb_priv;
    return VPX_CODEC_OK;
  }

  return VPX_CODEC_ERROR;
}

454
455
static vpx_codec_err_t ctrl_set_reference(vpx_codec_alg_priv_t *ctx,
                                          int ctr_id, va_list args) {
456
  vpx_ref_frame_t *const data = va_arg(args, vpx_ref_frame_t *);
John Koleszar's avatar
John Koleszar committed
457

John Koleszar's avatar
John Koleszar committed
458
  if (data) {
459
    vpx_ref_frame_t *const frame = (vpx_ref_frame_t *)data;
John Koleszar's avatar
John Koleszar committed
460
    YV12_BUFFER_CONFIG sd;
John Koleszar's avatar
John Koleszar committed
461

John Koleszar's avatar
John Koleszar committed
462
    image2yuvconfig(&frame->img, &sd);
463
    return vp9_set_reference_dec(&ctx->pbi->common,
464
                                 (VP9_REFFRAME)frame->frame_type, &sd);
465
  } else {
John Koleszar's avatar
John Koleszar committed
466
    return VPX_CODEC_INVALID_PARAM;
467
  }
John Koleszar's avatar
John Koleszar committed
468
469
}

470
471
static vpx_codec_err_t ctrl_copy_reference(vpx_codec_alg_priv_t *ctx,
                                           int ctr_id, va_list args) {
John Koleszar's avatar
John Koleszar committed
472
  vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
John Koleszar's avatar
John Koleszar committed
473

John Koleszar's avatar
John Koleszar committed
474
475
476
  if (data) {
    vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
    YV12_BUFFER_CONFIG sd;
John Koleszar's avatar
John Koleszar committed
477

John Koleszar's avatar
John Koleszar committed
478
    image2yuvconfig(&frame->img, &sd);
John Koleszar's avatar
John Koleszar committed
479

John Koleszar's avatar
John Koleszar committed
480
481
    return vp9_copy_reference_dec(ctx->pbi,
                                  (VP9_REFFRAME)frame->frame_type, &sd);
482
  } else {
John Koleszar's avatar
John Koleszar committed
483
    return VPX_CODEC_INVALID_PARAM;
484
  }
John Koleszar's avatar
John Koleszar committed
485
486
}

487
488
static vpx_codec_err_t ctrl_get_reference(vpx_codec_alg_priv_t *ctx,
                                          int ctr_id, va_list args) {
John Koleszar's avatar
John Koleszar committed
489
490
491
492
493
494
495
496
497
498
499
500
501
  vp9_ref_frame_t *data = va_arg(args, vp9_ref_frame_t *);

  if (data) {
    YV12_BUFFER_CONFIG* fb;

    vp9_get_reference_dec(ctx->pbi, data->idx, &fb);
    yuvconfig2image(&data->img, fb, NULL);
    return VPX_CODEC_OK;
  } else {
    return VPX_CODEC_INVALID_PARAM;
  }
}

502
503
static vpx_codec_err_t ctrl_set_postproc(vpx_codec_alg_priv_t *ctx,
                                         int ctr_id, va_list args) {
504
#if CONFIG_VP9_POSTPROC
John Koleszar's avatar
John Koleszar committed
505
  vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
John Koleszar's avatar
John Koleszar committed
506

John Koleszar's avatar
John Koleszar committed
507
508
509
510
  if (data) {
    ctx->postproc_cfg_set = 1;
    ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
    return VPX_CODEC_OK;
511
  } else {
John Koleszar's avatar
John Koleszar committed
512
    return VPX_CODEC_INVALID_PARAM;
513
  }
John Koleszar's avatar
John Koleszar committed
514
#else
John Koleszar's avatar
John Koleszar committed
515
  return VPX_CODEC_INCAPABLE;
John Koleszar's avatar
John Koleszar committed
516
517
518
#endif
}

519
520
static vpx_codec_err_t ctrl_set_dbg_options(vpx_codec_alg_priv_t *ctx,
                                            int ctrl_id, va_list args) {
John Koleszar's avatar
John Koleszar committed
521
  return VPX_CODEC_INCAPABLE;
522
}
John Koleszar's avatar
John Koleszar committed
523

524
525
static vpx_codec_err_t ctrl_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
                                                 int ctrl_id, va_list args) {
526
  int *const update_info = va_arg(args, int *);
527

John Koleszar's avatar
John Koleszar committed
528
  if (update_info) {
529
530
531
532
    if (ctx->pbi)
      *update_info = ctx->pbi->refresh_frame_flags;
    else
      return VPX_CODEC_ERROR;
John Koleszar's avatar
John Koleszar committed
533
    return VPX_CODEC_OK;
534
  } else {
John Koleszar's avatar
John Koleszar committed
535
    return VPX_CODEC_INVALID_PARAM;
536
  }
537
538
539
}


540
541
static vpx_codec_err_t ctrl_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
                                                int ctrl_id, va_list args) {
John Koleszar's avatar
John Koleszar committed
542
  int *corrupted = va_arg(args, int *);
543

John Koleszar's avatar
John Koleszar committed
544
  if (corrupted) {
545
546
    if (ctx->pbi)
      *corrupted = ctx->pbi->common.frame_to_show->corrupted;
Yaowu Xu's avatar
Yaowu Xu committed
547
548
    else
      return VPX_CODEC_ERROR;
John Koleszar's avatar
John Koleszar committed
549
    return VPX_CODEC_OK;
550
  } else {
John Koleszar's avatar
John Koleszar committed
551
    return VPX_CODEC_INVALID_PARAM;
552
  }
553
554
}

555
556
static vpx_codec_err_t ctrl_get_display_size(vpx_codec_alg_priv_t *ctx,
                                             int ctrl_id, va_list args) {
557
558
559
  int *const display_size = va_arg(args, int *);

  if (display_size) {
560
561
562
563
    if (ctx->pbi) {
      const VP9_COMMON *const cm = &ctx->pbi->common;
      display_size[0] = cm->display_width;
      display_size[1] = cm->display_height;
564
565
566
567
568
569
570
571
572
    } else {
      return VPX_CODEC_ERROR;
    }
    return VPX_CODEC_OK;
  } else {
    return VPX_CODEC_INVALID_PARAM;
  }
}

573
574
static vpx_codec_err_t ctrl_set_invert_tile_order(vpx_codec_alg_priv_t *ctx,
                                                  int ctr_id, va_list args) {
575
576
577
578
  ctx->invert_tile_order = va_arg(args, int);
  return VPX_CODEC_OK;
}

579
580
581
582
583
584
585
586
587
static vpx_codec_err_t ctrl_set_decryptor(vpx_codec_alg_priv_t *ctx,
                                          int ctrl_id,
                                          va_list args) {
  vpx_decrypt_init *init = va_arg(args, vpx_decrypt_init *);
  ctx->decrypt_cb = init ? init->decrypt_cb : NULL;
  ctx->decrypt_state = init ? init->decrypt_state : NULL;
  return VPX_CODEC_OK;
}

588
589
590
591
592
593
594
595
596
597
598
static vpx_codec_ctrl_fn_map_t decoder_ctrl_maps[] = {
  {VP8_COPY_REFERENCE,            ctrl_copy_reference},

  // Setters
  {VP8_SET_REFERENCE,             ctrl_set_reference},
  {VP8_SET_POSTPROC,              ctrl_set_postproc},
  {VP8_SET_DBG_COLOR_REF_FRAME,   ctrl_set_dbg_options},
  {VP8_SET_DBG_COLOR_MB_MODES,    ctrl_set_dbg_options},
  {VP8_SET_DBG_COLOR_B_MODES,     ctrl_set_dbg_options},
  {VP8_SET_DBG_DISPLAY_MV,        ctrl_set_dbg_options},
  {VP9_INVERT_TILE_DECODE_ORDER,  ctrl_set_invert_tile_order},
599
  {VPXD_SET_DECRYPTOR,            ctrl_set_decryptor},
600
601
602
603
604
605
606

  // Getters
  {VP8D_GET_LAST_REF_UPDATES,     ctrl_get_last_ref_updates},
  {VP8D_GET_FRAME_CORRUPTED,      ctrl_get_frame_corrupted},
  {VP9_GET_REFERENCE,             ctrl_get_reference},
  {VP9D_GET_DISPLAY_SIZE,         ctrl_get_display_size},

John Koleszar's avatar
John Koleszar committed
607
  { -1, NULL},
John Koleszar's avatar
John Koleszar committed
608
609
610
611
612
};

#ifndef VERSION_STRING
#define VERSION_STRING
#endif
613
614
CODEC_INTERFACE(vpx_codec_vp9_dx) = {
  "WebM Project VP9 Decoder" VERSION_STRING,
John Koleszar's avatar
John Koleszar committed
615
  VPX_CODEC_INTERNAL_ABI_VERSION,
616
  VPX_CODEC_CAP_DECODER | VP9_CAP_POSTPROC |
617
618
619
620
621
622
      VPX_CODEC_CAP_EXTERNAL_FRAME_BUFFER,  // vpx_codec_caps_t
  decoder_init,       // vpx_codec_init_fn_t
  decoder_destroy,    // vpx_codec_destroy_fn_t
  decoder_ctrl_maps,  // vpx_codec_ctrl_fn_map_t
  NOT_IMPLEMENTED,    // vpx_codec_get_mmap_fn_t
  NOT_IMPLEMENTED,    // vpx_codec_set_mmap_fn_t
623
  { // NOLINT
624
625
626
627
628
    decoder_peek_si,    // vpx_codec_peek_si_fn_t
    decoder_get_si,     // vpx_codec_get_si_fn_t
    decoder_decode,     // vpx_codec_decode_fn_t
    decoder_get_frame,  // vpx_codec_frame_get_fn_t
    decoder_set_fb_fn,  // vpx_codec_set_fb_fn_t
John Koleszar's avatar
John Koleszar committed
629
  },
630
  { // NOLINT
John Koleszar's avatar
John Koleszar committed
631
632
633
634
635
636
637
    NOT_IMPLEMENTED,
    NOT_IMPLEMENTED,
    NOT_IMPLEMENTED,
    NOT_IMPLEMENTED,
    NOT_IMPLEMENTED,
    NOT_IMPLEMENTED
  }
John Koleszar's avatar
John Koleszar committed
638
};