vp9_dx_iface.c 18.4 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;
John Koleszar's avatar
John Koleszar committed
35
  int                     decoder_init;
Dmitry Kovalev's avatar
Dmitry Kovalev committed
36
  struct VP9Decompressor *pbi;
John Koleszar's avatar
John Koleszar committed
37
38
  int                     postproc_cfg_set;
  vp8_postproc_cfg_t      postproc_cfg;
39
#if CONFIG_POSTPROC_VISUALIZER
John Koleszar's avatar
John Koleszar committed
40
41
42
43
44
  unsigned int            dbg_postproc_flag;
  int                     dbg_color_ref_frame_flag;
  int                     dbg_color_mb_modes_flag;
  int                     dbg_color_b_modes_flag;
  int                     dbg_display_mv_flag;
45
#endif
John Koleszar's avatar
John Koleszar committed
46
47
48
  vpx_image_t             img;
  int                     img_setup;
  int                     img_avail;
49
  int                     invert_tile_order;
50
51
52
53
54

  // 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
55
56
};

57
58
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
59
60
61
  // 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
62
  if (!ctx->priv) {
63
64
    vpx_codec_alg_priv_t *alg_priv = vpx_memalign(32, sizeof(*alg_priv));
    if (alg_priv == NULL)
65
66
      return VPX_CODEC_MEM_ERROR;

67
68
69
    vp9_zero(*alg_priv);

    ctx->priv = (vpx_codec_priv_t *)alg_priv;
70
71
    ctx->priv->sz = sizeof(*ctx->priv);
    ctx->priv->iface = ctx->iface;
72
    ctx->priv->alg_priv = alg_priv;
73
74
75
76
77
78
79
    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
80
    }
John Koleszar's avatar
John Koleszar committed
81
  }
John Koleszar's avatar
John Koleszar committed
82

83
  return VPX_CODEC_OK;
John Koleszar's avatar
John Koleszar committed
84
85
}

86
87
88
89
90
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
91

John Koleszar's avatar
John Koleszar committed
92
  return VPX_CODEC_OK;
John Koleszar's avatar
John Koleszar committed
93
94
}

95
96
97
98
99
100
101
102
static vpx_codec_err_t decoder_peek_si(const uint8_t *data,
                                       unsigned int data_sz,
                                       vpx_codec_stream_info_t *si) {
  if (data_sz <= 8)
    return VPX_CODEC_UNSUP_BITSTREAM;

  if (data + data_sz <= data)
    return VPX_CODEC_INVALID_PARAM;
103
104
105

  si->is_kf = 0;
  si->w = si->h = 0;
John Koleszar's avatar
John Koleszar committed
106

107
108
109
  {
    struct vp9_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
    const int frame_marker = vp9_rb_read_literal(&rb, 2);
110
111
112
    const int version = vp9_rb_read_bit(&rb);
    (void) vp9_rb_read_bit(&rb);  // unused version bit

113
114
    if (frame_marker != VP9_FRAME_MARKER)
      return VPX_CODEC_UNSUP_BITSTREAM;
115
116
117
118
119
    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
120

121
    si->is_kf = !vp9_rb_read_bit(&rb);
James Zern's avatar
James Zern committed
122
    if (si->is_kf) {
123
124
      const int sRGB = 7;
      int colorspace;
John Koleszar's avatar
John Koleszar committed
125

126
127
      rb.bit_offset += 1;  // show frame
      rb.bit_offset += 1;  // error resilient
John Koleszar's avatar
John Koleszar committed
128

129
130
131
      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) {
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
        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
154
    }
John Koleszar's avatar
John Koleszar committed
155
156
  }

157
  return VPX_CODEC_OK;
John Koleszar's avatar
John Koleszar committed
158
159
}

160
161
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
162
163
164
  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
165
  memcpy(si, &ctx->si, sz);
166
  si->sz = (unsigned int)sz;
John Koleszar's avatar
John Koleszar committed
167

John Koleszar's avatar
John Koleszar committed
168
  return VPX_CODEC_OK;
John Koleszar's avatar
John Koleszar committed
169
170
}

Dmitry Kovalev's avatar
Dmitry Kovalev committed
171
172
173
174
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
175

Dmitry Kovalev's avatar
Dmitry Kovalev committed
176
  return error->error_code;
John Koleszar's avatar
John Koleszar committed
177
178
}

179
180
181
static void init_buffer_callbacks(vpx_codec_alg_priv_t *ctx) {
  VP9_COMMON *const cm = &ctx->pbi->common;

182
  cm->new_fb_idx = -1;
183
184
185
186
187
188
189
190
191
192
193
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
227
228
229
230
231
232
233
234

  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 =
#if CONFIG_POSTPROC_VISUALIZER
      (ctx->dbg_color_ref_frame_flag ? VP9D_DEBUG_CLR_FRM_REF_BLKS : 0) |
      (ctx->dbg_color_mb_modes_flag ? VP9D_DEBUG_CLR_BLK_MODES : 0) |
      (ctx->dbg_color_b_modes_flag ? VP9D_DEBUG_CLR_BLK_MODES : 0) |
      (ctx->dbg_display_mv_flag ? VP9D_DEBUG_DRAW_MV : 0) |
#endif
      ctx->postproc_cfg.post_proc_flag;

  flags->deblocking_level = ctx->postproc_cfg.deblocking_level;
  flags->noise_level = ctx->postproc_cfg.noise_level;
#if CONFIG_POSTPROC_VISUALIZER
  flags->display_ref_frame_flag = ctx->dbg_color_ref_frame_flag;
  flags->display_mb_modes_flag = ctx->dbg_color_mb_modes_flag;
  flags->display_b_modes_flag = ctx->dbg_color_b_modes_flag;
  flags->display_mv_flag = ctx->dbg_display_mv_flag;
#endif
}

static void init_decoder(vpx_codec_alg_priv_t *ctx) {
  VP9D_CONFIG oxcf;
  oxcf.width = ctx->si.w;
  oxcf.height = ctx->si.h;
  oxcf.version = 9;
  oxcf.max_threads = ctx->cfg.threads;
  oxcf.inv_tile_order = ctx->invert_tile_order;

235
  ctx->pbi = vp9_decoder_create(&oxcf);
236
237
238
239
240
241
242
243
244
245
246
247
248
249
  if (ctx->pbi == NULL)
    return;

  vp9_initialize_dec();

  // 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
250
251
252
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) {
253
254
255
256
  YV12_BUFFER_CONFIG sd = { 0 };
  int64_t time_stamp = 0, time_end_stamp = 0;
  vp9_ppflags_t flags = {0};
  VP9_COMMON *cm = NULL;
John Koleszar's avatar
John Koleszar committed
257

John Koleszar's avatar
John Koleszar committed
258
  ctx->img_avail = 0;
John Koleszar's avatar
John Koleszar committed
259

260
261
262
  // 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.
263
264
265
266
267
268
  if (!ctx->si.h) {
    const vpx_codec_err_t res =
        ctx->base.iface->dec.peek_si(*data, data_sz, &ctx->si);
    if (res != VPX_CODEC_OK)
      return res;
  }
269

270
271
272
273
274
  // Initialize the decoder instance on the first frame
  if (!ctx->decoder_init) {
    init_decoder(ctx);
    if (ctx->pbi == NULL)
      return VPX_CODEC_ERROR;
John Koleszar's avatar
John Koleszar committed
275

John Koleszar's avatar
John Koleszar committed
276
277
278
    ctx->decoder_init = 1;
  }

279
  cm = &ctx->pbi->common;
John Koleszar's avatar
John Koleszar committed
280

281
282
  if (vp9_receive_compressed_data(ctx->pbi, data_sz, data, deadline))
    return update_error_state(ctx, &cm->error);
John Koleszar's avatar
John Koleszar committed
283

284
285
  if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
    set_ppflags(ctx, &flags);
John Koleszar's avatar
John Koleszar committed
286

287
288
  if (vp9_get_raw_frame(ctx->pbi, &sd, &time_stamp, &time_end_stamp, &flags))
    return update_error_state(ctx, &cm->error);
289

290
291
292
  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
293

294
  return VPX_CODEC_OK;
John Koleszar's avatar
John Koleszar committed
295
296
}

Dmitry Kovalev's avatar
Dmitry Kovalev committed
297
298
static void parse_superframe_index(const uint8_t *data, size_t data_sz,
                                   uint32_t sizes[8], int *count) {
John Koleszar's avatar
John Koleszar committed
299
300
301
302
303
304
  uint8_t marker;

  assert(data_sz);
  marker = data[data_sz - 1];
  *count = 0;

305
  if ((marker & 0xe0) == 0xc0) {
Johann's avatar
Johann committed
306
307
308
    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
309
310
311

    if (data_sz >= index_sz && data[data_sz - index_sz] == marker) {
      // found a valid superframe index
Johann's avatar
Johann committed
312
      uint32_t i, j;
313
      const uint8_t *x = &data[data_sz - index_sz + 1];
John Koleszar's avatar
John Koleszar committed
314
315

      for (i = 0; i < frames; i++) {
Johann's avatar
Johann committed
316
        uint32_t this_sz = 0;
John Koleszar's avatar
John Koleszar committed
317
318
319
320
321
322
323
324
325
326
327

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

      *count = frames;
    }
  }
}

328
329
330
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) {
331
332
  const uint8_t *data_start = data;
  const uint8_t *data_end = data + data_sz;
333
  vpx_codec_err_t res = VPX_CODEC_OK;
John Koleszar's avatar
John Koleszar committed
334
335
336
  uint32_t sizes[8];
  int frames_this_pts, frame_count = 0;

337
338
  if (data == NULL || data_sz == 0)
    return VPX_CODEC_INVALID_PARAM;
339

John Koleszar's avatar
John Koleszar committed
340
  parse_superframe_index(data, data_sz, sizes, &frames_this_pts);
341
342

  do {
John Koleszar's avatar
John Koleszar committed
343
    // Skip over the superframe index, if present
344
    if (data_sz && (*data_start & 0xe0) == 0xc0) {
John Koleszar's avatar
John Koleszar committed
345
      const uint8_t marker = *data_start;
Johann's avatar
Johann committed
346
347
348
      const uint32_t frames = (marker & 0x7) + 1;
      const uint32_t mag = ((marker >> 3) & 0x3) + 1;
      const uint32_t index_sz = 2 + mag * frames;
John Koleszar's avatar
John Koleszar committed
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372

      if (data_sz >= index_sz && data_start[index_sz - 1] == marker) {
        data_start += index_sz;
        data_sz -= index_sz;
        if (data_start < data_end)
          continue;
        else
          break;
      }
    }

    // Use the correct size for this frame, if an index is present.
    if (frames_this_pts) {
      uint32_t this_sz = sizes[frame_count];

      if (data_sz < this_sz) {
        ctx->base.err_detail = "Invalid frame size in index";
        return VPX_CODEC_CORRUPT_FRAME;
      }

      data_sz = this_sz;
      frame_count++;
    }

373
374
375
376
    res = decode_one(ctx, &data_start, data_sz, user_priv, deadline);
    assert(data_start >= data);
    assert(data_start <= data_end);

377
    // Early exit if there was a decode error
378
379
380
    if (res)
      break;

381
    // Account for suboptimal termination by the encoder.
382
383
384
    while (data_start < data_end && *data_start == 0)
      data_start++;

385
    data_sz = (unsigned int)(data_end - data_start);
386
  } while (data_start < data_end);
387

388
389
390
  return res;
}

391
392
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
393
394
395
  vpx_image_t *img = NULL;

  if (ctx->img_avail) {
396
397
    // 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
398
399
400
    if (!(*iter)) {
      img = &ctx->img;
      *iter = img;
John Koleszar's avatar
John Koleszar committed
401
    }
John Koleszar's avatar
John Koleszar committed
402
  }
403
  ctx->img_avail = 0;
John Koleszar's avatar
John Koleszar committed
404

John Koleszar's avatar
John Koleszar committed
405
  return img;
John Koleszar's avatar
John Koleszar committed
406
407
}

408
static vpx_codec_err_t decoder_set_fb_fn(
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
    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;
}

426
427
static vpx_codec_err_t ctrl_set_reference(vpx_codec_alg_priv_t *ctx,
                                          int ctr_id, va_list args) {
428
  vpx_ref_frame_t *const data = va_arg(args, vpx_ref_frame_t *);
John Koleszar's avatar
John Koleszar committed
429

John Koleszar's avatar
John Koleszar committed
430
  if (data) {
431
    vpx_ref_frame_t *const frame = (vpx_ref_frame_t *)data;
John Koleszar's avatar
John Koleszar committed
432
    YV12_BUFFER_CONFIG sd;
John Koleszar's avatar
John Koleszar committed
433

John Koleszar's avatar
John Koleszar committed
434
    image2yuvconfig(&frame->img, &sd);
435
    return vp9_set_reference_dec(&ctx->pbi->common,
436
                                 (VP9_REFFRAME)frame->frame_type, &sd);
437
  } else {
John Koleszar's avatar
John Koleszar committed
438
    return VPX_CODEC_INVALID_PARAM;
439
  }
John Koleszar's avatar
John Koleszar committed
440
441
}

442
443
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
444
  vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
John Koleszar's avatar
John Koleszar committed
445

John Koleszar's avatar
John Koleszar committed
446
447
448
  if (data) {
    vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
    YV12_BUFFER_CONFIG sd;
John Koleszar's avatar
John Koleszar committed
449

John Koleszar's avatar
John Koleszar committed
450
    image2yuvconfig(&frame->img, &sd);
John Koleszar's avatar
John Koleszar committed
451

John Koleszar's avatar
John Koleszar committed
452
453
    return vp9_copy_reference_dec(ctx->pbi,
                                  (VP9_REFFRAME)frame->frame_type, &sd);
454
  } else {
John Koleszar's avatar
John Koleszar committed
455
    return VPX_CODEC_INVALID_PARAM;
456
  }
John Koleszar's avatar
John Koleszar committed
457
458
}

459
460
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
461
462
463
464
465
466
467
468
469
470
471
472
473
  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;
  }
}

474
475
static vpx_codec_err_t ctrl_set_postproc(vpx_codec_alg_priv_t *ctx,
                                         int ctr_id, va_list args) {
476
#if CONFIG_VP9_POSTPROC
John Koleszar's avatar
John Koleszar committed
477
  vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
John Koleszar's avatar
John Koleszar committed
478

John Koleszar's avatar
John Koleszar committed
479
480
481
482
  if (data) {
    ctx->postproc_cfg_set = 1;
    ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
    return VPX_CODEC_OK;
483
  } else {
John Koleszar's avatar
John Koleszar committed
484
    return VPX_CODEC_INVALID_PARAM;
485
  }
John Koleszar's avatar
John Koleszar committed
486
#else
John Koleszar's avatar
John Koleszar committed
487
  return VPX_CODEC_INCAPABLE;
John Koleszar's avatar
John Koleszar committed
488
489
490
#endif
}

491
492
static vpx_codec_err_t ctrl_set_dbg_options(vpx_codec_alg_priv_t *ctx,
                                            int ctrl_id, va_list args) {
493
#if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
John Koleszar's avatar
John Koleszar committed
494
  int data = va_arg(args, int);
495
496
497

#define MAP(id, var) case id: var = data; break;

John Koleszar's avatar
John Koleszar committed
498
499
500
501
502
503
  switch (ctrl_id) {
      MAP(VP8_SET_DBG_COLOR_REF_FRAME,   ctx->dbg_color_ref_frame_flag);
      MAP(VP8_SET_DBG_COLOR_MB_MODES,    ctx->dbg_color_mb_modes_flag);
      MAP(VP8_SET_DBG_COLOR_B_MODES,     ctx->dbg_color_b_modes_flag);
      MAP(VP8_SET_DBG_DISPLAY_MV,        ctx->dbg_display_mv_flag);
  }
504

John Koleszar's avatar
John Koleszar committed
505
  return VPX_CODEC_OK;
506
#else
John Koleszar's avatar
John Koleszar committed
507
  return VPX_CODEC_INCAPABLE;
508
509
#endif
}
John Koleszar's avatar
John Koleszar committed
510

511
512
static vpx_codec_err_t ctrl_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
                                                 int ctrl_id, va_list args) {
513
  int *const update_info = va_arg(args, int *);
514

John Koleszar's avatar
John Koleszar committed
515
  if (update_info) {
516
517
518
519
    if (ctx->pbi)
      *update_info = ctx->pbi->refresh_frame_flags;
    else
      return VPX_CODEC_ERROR;
John Koleszar's avatar
John Koleszar committed
520
    return VPX_CODEC_OK;
521
  } else {
John Koleszar's avatar
John Koleszar committed
522
    return VPX_CODEC_INVALID_PARAM;
523
  }
524
525
526
}


527
528
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
529
  int *corrupted = va_arg(args, int *);
530

John Koleszar's avatar
John Koleszar committed
531
  if (corrupted) {
532
533
    if (ctx->pbi)
      *corrupted = ctx->pbi->common.frame_to_show->corrupted;
Yaowu Xu's avatar
Yaowu Xu committed
534
535
    else
      return VPX_CODEC_ERROR;
John Koleszar's avatar
John Koleszar committed
536
    return VPX_CODEC_OK;
537
  } else {
John Koleszar's avatar
John Koleszar committed
538
    return VPX_CODEC_INVALID_PARAM;
539
  }
540
541
}

542
543
static vpx_codec_err_t ctrl_get_display_size(vpx_codec_alg_priv_t *ctx,
                                             int ctrl_id, va_list args) {
544
545
546
  int *const display_size = va_arg(args, int *);

  if (display_size) {
547
548
549
550
    if (ctx->pbi) {
      const VP9_COMMON *const cm = &ctx->pbi->common;
      display_size[0] = cm->display_width;
      display_size[1] = cm->display_height;
551
552
553
554
555
556
557
558
559
    } else {
      return VPX_CODEC_ERROR;
    }
    return VPX_CODEC_OK;
  } else {
    return VPX_CODEC_INVALID_PARAM;
  }
}

560
561
static vpx_codec_err_t ctrl_set_invert_tile_order(vpx_codec_alg_priv_t *ctx,
                                                  int ctr_id, va_list args) {
562
563
564
565
  ctx->invert_tile_order = va_arg(args, int);
  return VPX_CODEC_OK;
}

566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
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},

  // 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
584
  { -1, NULL},
John Koleszar's avatar
John Koleszar committed
585
586
587
588
589
};

#ifndef VERSION_STRING
#define VERSION_STRING
#endif
590
591
CODEC_INTERFACE(vpx_codec_vp9_dx) = {
  "WebM Project VP9 Decoder" VERSION_STRING,
John Koleszar's avatar
John Koleszar committed
592
  VPX_CODEC_INTERNAL_ABI_VERSION,
593
  VPX_CODEC_CAP_DECODER | VP9_CAP_POSTPROC |
594
595
596
597
598
599
      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
600
  { // NOLINT
601
602
603
604
605
    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
606
  },
607
  { // NOLINT
John Koleszar's avatar
John Koleszar committed
608
609
610
611
612
613
614
    NOT_IMPLEMENTED,
    NOT_IMPLEMENTED,
    NOT_IMPLEMENTED,
    NOT_IMPLEMENTED,
    NOT_IMPLEMENTED,
    NOT_IMPLEMENTED
  }
John Koleszar's avatar
John Koleszar committed
615
};