av1_dx_iface.c 43.9 KB
Newer Older
Jingning Han's avatar
Jingning Han committed
1
/*
Yaowu Xu's avatar
Yaowu Xu committed
2
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
Jingning Han's avatar
Jingning Han committed
3
 *
Yaowu Xu's avatar
Yaowu Xu committed
4 5 6 7 8 9
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
Jingning Han's avatar
Jingning Han committed
10 11 12 13 14
 */

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

Yaowu Xu's avatar
Yaowu Xu committed
15 16
#include "./aom_config.h"
#include "./aom_version.h"
Jingning Han's avatar
Jingning Han committed
17

Yaowu Xu's avatar
Yaowu Xu committed
18 19 20
#include "aom/internal/aom_codec_internal.h"
#include "aom/aomdx.h"
#include "aom/aom_decoder.h"
21
#include "aom_dsp/bitreader_buffer.h"
Yaowu Xu's avatar
Yaowu Xu committed
22 23
#include "aom_dsp/aom_dsp_common.h"
#include "aom_util/aom_thread.h"
Jingning Han's avatar
Jingning Han committed
24

25 26 27
#include "av1/common/alloccommon.h"
#include "av1/common/frame_buffers.h"
#include "av1/common/enums.h"
Jingning Han's avatar
Jingning Han committed
28

29 30
#include "av1/decoder/decoder.h"
#include "av1/decoder/decodeframe.h"
Jingning Han's avatar
Jingning Han committed
31

Yaowu Xu's avatar
Yaowu Xu committed
32
#include "av1/av1_iface_common.h"
Jingning Han's avatar
Jingning Han committed
33 34 35

// This limit is due to framebuffer numbers.
// TODO(hkuang): Remove this limit after implementing ondemand framebuffers.
36
#define FRAME_CACHE_SIZE 6  // Cache maximum 6 decoded frames.
Jingning Han's avatar
Jingning Han committed
37 38 39

typedef struct cache_frame {
  int fb_idx;
Yaowu Xu's avatar
Yaowu Xu committed
40
  aom_image_t img;
Jingning Han's avatar
Jingning Han committed
41 42
} cache_frame;

Yaowu Xu's avatar
Yaowu Xu committed
43 44 45
struct aom_codec_alg_priv {
  aom_codec_priv_t base;
  aom_codec_dec_cfg_t cfg;
46
  aom_codec_stream_info_t si;
47
  int postproc_cfg_set;
Yaowu Xu's avatar
Yaowu Xu committed
48 49
  aom_postproc_cfg_t postproc_cfg;
  aom_decrypt_cb decrypt_cb;
50
  void *decrypt_state;
Yaowu Xu's avatar
Yaowu Xu committed
51
  aom_image_t img;
52 53 54 55 56 57 58 59
  int img_avail;
  int flushed;
  int invert_tile_order;
  int last_show_frame;  // Index of last output frame.
  int byte_alignment;
  int skip_loop_filter;
  int decode_tile_row;
  int decode_tile_col;
Jingning Han's avatar
Jingning Han committed
60 61

  // Frame parallel related.
62
  int frame_parallel_decode;  // frame-based threading.
Yaowu Xu's avatar
Yaowu Xu committed
63
  AVxWorker *frame_workers;
64 65 66 67 68 69 70 71 72 73
  int num_frame_workers;
  int next_submit_worker_id;
  int last_submit_worker_id;
  int next_output_worker_id;
  int available_threads;
  cache_frame frame_cache[FRAME_CACHE_SIZE];
  int frame_cache_write;
  int frame_cache_read;
  int num_cache_frames;
  int need_resync;  // wait for key/intra-only frame
Jingning Han's avatar
Jingning Han committed
74
  // BufferPool that holds all reference frames. Shared by all the FrameWorkers.
75
  BufferPool *buffer_pool;
Jingning Han's avatar
Jingning Han committed
76

Yaowu Xu's avatar
Yaowu Xu committed
77
  // External frame buffer info to save for AV1 common.
Jingning Han's avatar
Jingning Han committed
78
  void *ext_priv;  // Private data associated with the external frame buffers.
Yaowu Xu's avatar
Yaowu Xu committed
79 80
  aom_get_frame_buffer_cb_fn_t get_ext_fb_cb;
  aom_release_frame_buffer_cb_fn_t release_ext_fb_cb;
81 82 83 84 85

#if CONFIG_INSPECTION
  aom_inspect_cb inspect_cb;
  void *inspect_ctx;
#endif
Jingning Han's avatar
Jingning Han committed
86 87
};

Yaowu Xu's avatar
Yaowu Xu committed
88 89 90
static aom_codec_err_t decoder_init(aom_codec_ctx_t *ctx,
                                    aom_codec_priv_enc_mr_cfg_t *data) {
  // This function only allocates space for the aom_codec_alg_priv_t
Jingning Han's avatar
Jingning Han committed
91 92 93 94 95
  // structure. More memory may be required at the time the stream
  // information becomes known.
  (void)data;

  if (!ctx->priv) {
Yaowu Xu's avatar
Yaowu Xu committed
96 97 98
    aom_codec_alg_priv_t *const priv =
        (aom_codec_alg_priv_t *)aom_calloc(1, sizeof(*priv));
    if (priv == NULL) return AOM_CODEC_MEM_ERROR;
Jingning Han's avatar
Jingning Han committed
99

Yaowu Xu's avatar
Yaowu Xu committed
100
    ctx->priv = (aom_codec_priv_t *)priv;
Jingning Han's avatar
Jingning Han committed
101 102 103 104 105
    ctx->priv->init_flags = ctx->init_flags;
    priv->flushed = 0;
    // Only do frame parallel decode when threads > 1.
    priv->frame_parallel_decode =
        (ctx->config.dec && (ctx->config.dec->threads > 1) &&
Yaowu Xu's avatar
Yaowu Xu committed
106
         (ctx->init_flags & AOM_CODEC_USE_FRAME_THREADING))
107 108
            ? 1
            : 0;
109 110
    // TODO(tdaede): this should not be exposed to the API
    priv->cfg.allow_lowbitdepth = CONFIG_LOWBITDEPTH;
Jingning Han's avatar
Jingning Han committed
111 112 113 114 115 116
    if (ctx->config.dec) {
      priv->cfg = *ctx->config.dec;
      ctx->config.dec = &priv->cfg;
    }
  }

Yaowu Xu's avatar
Yaowu Xu committed
117
  return AOM_CODEC_OK;
Jingning Han's avatar
Jingning Han committed
118 119
}

Yaowu Xu's avatar
Yaowu Xu committed
120
static aom_codec_err_t decoder_destroy(aom_codec_alg_priv_t *ctx) {
Jingning Han's avatar
Jingning Han committed
121 122 123
  if (ctx->frame_workers != NULL) {
    int i;
    for (i = 0; i < ctx->num_frame_workers; ++i) {
Yaowu Xu's avatar
Yaowu Xu committed
124
      AVxWorker *const worker = &ctx->frame_workers[i];
Jingning Han's avatar
Jingning Han committed
125 126
      FrameWorkerData *const frame_worker_data =
          (FrameWorkerData *)worker->data1;
Yaowu Xu's avatar
Yaowu Xu committed
127 128
      aom_get_worker_interface()->end(worker);
      av1_remove_common(&frame_worker_data->pbi->common);
Debargha Mukherjee's avatar
Debargha Mukherjee committed
129
#if CONFIG_LOOP_RESTORATION
Yaowu Xu's avatar
Yaowu Xu committed
130
      av1_free_restoration_buffers(&frame_worker_data->pbi->common);
Debargha Mukherjee's avatar
Debargha Mukherjee committed
131
#endif  // CONFIG_LOOP_RESTORATION
Yaowu Xu's avatar
Yaowu Xu committed
132 133
      av1_decoder_remove(frame_worker_data->pbi);
      aom_free(frame_worker_data->scratch_buffer);
Jingning Han's avatar
Jingning Han committed
134 135 136 137
#if CONFIG_MULTITHREAD
      pthread_mutex_destroy(&frame_worker_data->stats_mutex);
      pthread_cond_destroy(&frame_worker_data->stats_cond);
#endif
Yaowu Xu's avatar
Yaowu Xu committed
138
      aom_free(frame_worker_data);
Jingning Han's avatar
Jingning Han committed
139 140 141 142 143 144 145
    }
#if CONFIG_MULTITHREAD
    pthread_mutex_destroy(&ctx->buffer_pool->pool_mutex);
#endif
  }

  if (ctx->buffer_pool) {
Yaowu Xu's avatar
Yaowu Xu committed
146 147
    av1_free_ref_frame_buffers(ctx->buffer_pool);
    av1_free_internal_frame_buffers(&ctx->buffer_pool->int_frame_buffers);
Jingning Han's avatar
Jingning Han committed
148 149
  }

Yaowu Xu's avatar
Yaowu Xu committed
150 151 152 153
  aom_free(ctx->frame_workers);
  aom_free(ctx->buffer_pool);
  aom_free(ctx);
  return AOM_CODEC_OK;
Jingning Han's avatar
Jingning Han committed
154 155
}

156
#if !CONFIG_OBU
157
static int parse_bitdepth_colorspace_sampling(BITSTREAM_PROFILE profile,
Yaowu Xu's avatar
Yaowu Xu committed
158 159
                                              struct aom_read_bit_buffer *rb) {
  aom_color_space_t color_space;
160 161 162 163 164
#if CONFIG_COLORSPACE_HEADERS
  int subsampling_x = 0;
  int subsampling_y = 0;
#endif

165
  if (profile >= PROFILE_2) rb->bit_offset += 1;  // Bit-depth 10 or 12.
166 167 168 169
#if CONFIG_COLORSPACE_HEADERS
  color_space = (aom_color_space_t)aom_rb_read_literal(rb, 5);
  rb->bit_offset += 5;  // Transfer function
#else
Yaowu Xu's avatar
Yaowu Xu committed
170
  color_space = (aom_color_space_t)aom_rb_read_literal(rb, 3);
171
#endif
Yaowu Xu's avatar
Yaowu Xu committed
172
  if (color_space != AOM_CS_SRGB) {
Jingning Han's avatar
Jingning Han committed
173
    rb->bit_offset += 1;  // [16,235] (including xvycc) vs [0,255] range.
174

Jingning Han's avatar
Jingning Han committed
175
    if (profile == PROFILE_1 || profile == PROFILE_3) {
176 177 178 179
#if CONFIG_COLORSPACE_HEADERS
      subsampling_x = aom_rb_read_bit(rb);
      subsampling_y = aom_rb_read_bit(rb);
#else
Jingning Han's avatar
Jingning Han committed
180
      rb->bit_offset += 2;  // subsampling x/y.
181
#endif
Jingning Han's avatar
Jingning Han committed
182
      rb->bit_offset += 1;  // unused.
183 184 185 186 187 188 189
#if CONFIG_COLORSPACE_HEADERS
    } else {
      subsampling_x = 1;
      subsampling_y = 1;
    }
    if (subsampling_x == 1 && subsampling_y == 1) {
      rb->bit_offset += 2;
Jingning Han's avatar
Jingning Han committed
190
    }
191 192 193
#else
    }
#endif
Jingning Han's avatar
Jingning Han committed
194 195 196 197 198 199 200 201 202 203
  } else {
    if (profile == PROFILE_1 || profile == PROFILE_3) {
      rb->bit_offset += 1;  // unused
    } else {
      // RGB is only available in version 1.
      return 0;
    }
  }
  return 1;
}
204
#endif
Jingning Han's avatar
Jingning Han committed
205

Yaowu Xu's avatar
Yaowu Xu committed
206 207 208
static aom_codec_err_t decoder_peek_si_internal(
    const uint8_t *data, unsigned int data_sz, aom_codec_stream_info_t *si,
    int *is_intra_only, aom_decrypt_cb decrypt_cb, void *decrypt_state) {
Jingning Han's avatar
Jingning Han committed
209 210 211
  int intra_only_flag = 0;
  uint8_t clear_buffer[9];

Yaowu Xu's avatar
Yaowu Xu committed
212
  if (data + data_sz <= data) return AOM_CODEC_INVALID_PARAM;
Jingning Han's avatar
Jingning Han committed
213 214 215 216 217

  si->is_kf = 0;
  si->w = si->h = 0;

  if (decrypt_cb) {
Yaowu Xu's avatar
Yaowu Xu committed
218
    data_sz = AOMMIN(sizeof(clear_buffer), data_sz);
Jingning Han's avatar
Jingning Han committed
219 220 221 222
    decrypt_cb(decrypt_state, data, clear_buffer, data_sz);
    data = clear_buffer;
  }

Sebastien Alaiwan's avatar
Sebastien Alaiwan committed
223 224 225 226 227 228 229 230 231 232 233
  // skip a potential superframe index
  {
    uint32_t frame_sizes[8];
    int frame_count;
    int index_size = 0;
    aom_codec_err_t res = av1_parse_superframe_index(
        data, data_sz, frame_sizes, &frame_count, &index_size, NULL, NULL);
    if (res != AOM_CODEC_OK) return res;

    data += index_size;
    data_sz -= index_size;
234 235 236
#if CONFIG_OBU
    if (data + data_sz <= data) return AOM_CODEC_INVALID_PARAM;
#endif
Sebastien Alaiwan's avatar
Sebastien Alaiwan committed
237 238
  }

Jingning Han's avatar
Jingning Han committed
239
  {
240 241 242 243 244 245 246
#if CONFIG_OBU
    // Proper fix needed
    si->is_kf = 1;
    intra_only_flag = 1;
    si->h = 1;

#else
Jingning Han's avatar
Jingning Han committed
247 248
    int show_frame;
    int error_resilient;
Yaowu Xu's avatar
Yaowu Xu committed
249 250 251
    struct aom_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
    const int frame_marker = aom_rb_read_literal(&rb, 2);
    const BITSTREAM_PROFILE profile = av1_read_profile(&rb);
252 253 254
#if CONFIG_EXT_TILE
    unsigned int large_scale_tile;
#endif  // CONFIG_EXT_TILE
Jingning Han's avatar
Jingning Han committed
255

Yaowu Xu's avatar
Yaowu Xu committed
256
    if (frame_marker != AOM_FRAME_MARKER) return AOM_CODEC_UNSUP_BITSTREAM;
Jingning Han's avatar
Jingning Han committed
257

Yaowu Xu's avatar
Yaowu Xu committed
258
    if (profile >= MAX_PROFILES) return AOM_CODEC_UNSUP_BITSTREAM;
Jingning Han's avatar
Jingning Han committed
259 260

    if ((profile >= 2 && data_sz <= 1) || data_sz < 1)
Yaowu Xu's avatar
Yaowu Xu committed
261
      return AOM_CODEC_UNSUP_BITSTREAM;
Jingning Han's avatar
Jingning Han committed
262

263 264 265 266
#if CONFIG_EXT_TILE
    large_scale_tile = aom_rb_read_literal(&rb, 1);
#endif  // CONFIG_EXT_TILE

Yaowu Xu's avatar
Yaowu Xu committed
267 268 269
    if (aom_rb_read_bit(&rb)) {     // show an existing frame
      aom_rb_read_literal(&rb, 3);  // Frame buffer to show.
      return AOM_CODEC_OK;
Jingning Han's avatar
Jingning Han committed
270 271
    }

Yaowu Xu's avatar
Yaowu Xu committed
272
    if (data_sz <= 8) return AOM_CODEC_UNSUP_BITSTREAM;
Jingning Han's avatar
Jingning Han committed
273

Yaowu Xu's avatar
Yaowu Xu committed
274 275 276
    si->is_kf = !aom_rb_read_bit(&rb);
    show_frame = aom_rb_read_bit(&rb);
    error_resilient = aom_rb_read_bit(&rb);
277 278 279
#if CONFIG_REFERENCE_BUFFER
    {
      /* TODO: Move outside frame loop or inside key-frame branch */
280
      int frame_id_len;
281 282
      SequenceHeader seq_params;
      read_sequence_header(&seq_params);
283 284 285
#if CONFIG_EXT_TILE
      if (large_scale_tile) seq_params.frame_id_numbers_present_flag = 0;
#endif  // CONFIG_EXT_TILE
286
      if (seq_params.frame_id_numbers_present_flag) {
287 288
        frame_id_len = seq_params.frame_id_length_minus7 + 7;
        aom_rb_read_literal(&rb, frame_id_len);
289 290 291
      }
    }
#endif
Jingning Han's avatar
Jingning Han committed
292
    if (si->is_kf) {
Yaowu Xu's avatar
Yaowu Xu committed
293
      if (!av1_read_sync_code(&rb)) return AOM_CODEC_UNSUP_BITSTREAM;
Jingning Han's avatar
Jingning Han committed
294 295

      if (!parse_bitdepth_colorspace_sampling(profile, &rb))
Yaowu Xu's avatar
Yaowu Xu committed
296 297
        return AOM_CODEC_UNSUP_BITSTREAM;
      av1_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
Jingning Han's avatar
Jingning Han committed
298
    } else {
Yaowu Xu's avatar
Yaowu Xu committed
299
      intra_only_flag = show_frame ? 0 : aom_rb_read_bit(&rb);
Jingning Han's avatar
Jingning Han committed
300 301 302 303

      rb.bit_offset += error_resilient ? 0 : 2;  // reset_frame_context

      if (intra_only_flag) {
Yaowu Xu's avatar
Yaowu Xu committed
304
        if (!av1_read_sync_code(&rb)) return AOM_CODEC_UNSUP_BITSTREAM;
Jingning Han's avatar
Jingning Han committed
305 306
        if (profile > PROFILE_0) {
          if (!parse_bitdepth_colorspace_sampling(profile, &rb))
Yaowu Xu's avatar
Yaowu Xu committed
307
            return AOM_CODEC_UNSUP_BITSTREAM;
Jingning Han's avatar
Jingning Han committed
308 309
        }
        rb.bit_offset += REF_FRAMES;  // refresh_frame_flags
Yaowu Xu's avatar
Yaowu Xu committed
310
        av1_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
Jingning Han's avatar
Jingning Han committed
311 312
      }
    }
313
#endif
Jingning Han's avatar
Jingning Han committed
314
  }
315
  if (is_intra_only != NULL) *is_intra_only = intra_only_flag;
Yaowu Xu's avatar
Yaowu Xu committed
316
  return AOM_CODEC_OK;
Jingning Han's avatar
Jingning Han committed
317 318
}

Yaowu Xu's avatar
Yaowu Xu committed
319
static aom_codec_err_t decoder_peek_si(const uint8_t *data,
Jingning Han's avatar
Jingning Han committed
320
                                       unsigned int data_sz,
Yaowu Xu's avatar
Yaowu Xu committed
321
                                       aom_codec_stream_info_t *si) {
Jingning Han's avatar
Jingning Han committed
322 323 324
  return decoder_peek_si_internal(data, data_sz, si, NULL, NULL, NULL);
}

Yaowu Xu's avatar
Yaowu Xu committed
325 326
static aom_codec_err_t decoder_get_si(aom_codec_alg_priv_t *ctx,
                                      aom_codec_stream_info_t *si) {
327
  memcpy(si, &ctx->si, sizeof(*si));
Jingning Han's avatar
Jingning Han committed
328

Yaowu Xu's avatar
Yaowu Xu committed
329
  return AOM_CODEC_OK;
Jingning Han's avatar
Jingning Han committed
330 331
}

Yaowu Xu's avatar
Yaowu Xu committed
332
static void set_error_detail(aom_codec_alg_priv_t *ctx,
Jingning Han's avatar
Jingning Han committed
333 334 335 336
                             const char *const error) {
  ctx->base.err_detail = error;
}

Yaowu Xu's avatar
Yaowu Xu committed
337 338
static aom_codec_err_t update_error_state(
    aom_codec_alg_priv_t *ctx, const struct aom_internal_error_info *error) {
Jingning Han's avatar
Jingning Han committed
339 340 341 342 343 344
  if (error->error_code)
    set_error_detail(ctx, error->has_detail ? error->detail : NULL);

  return error->error_code;
}

Yaowu Xu's avatar
Yaowu Xu committed
345
static void init_buffer_callbacks(aom_codec_alg_priv_t *ctx) {
Jingning Han's avatar
Jingning Han committed
346 347 348
  int i;

  for (i = 0; i < ctx->num_frame_workers; ++i) {
Yaowu Xu's avatar
Yaowu Xu committed
349
    AVxWorker *const worker = &ctx->frame_workers[i];
Jingning Han's avatar
Jingning Han committed
350
    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
Yaowu Xu's avatar
Yaowu Xu committed
351
    AV1_COMMON *const cm = &frame_worker_data->pbi->common;
Jingning Han's avatar
Jingning Han committed
352 353 354 355 356 357 358 359 360 361 362
    BufferPool *const pool = cm->buffer_pool;

    cm->new_fb_idx = INVALID_IDX;
    cm->byte_alignment = ctx->byte_alignment;
    cm->skip_loop_filter = ctx->skip_loop_filter;

    if (ctx->get_ext_fb_cb != NULL && ctx->release_ext_fb_cb != NULL) {
      pool->get_fb_cb = ctx->get_ext_fb_cb;
      pool->release_fb_cb = ctx->release_ext_fb_cb;
      pool->cb_priv = ctx->ext_priv;
    } else {
Yaowu Xu's avatar
Yaowu Xu committed
363 364
      pool->get_fb_cb = av1_get_frame_buffer;
      pool->release_fb_cb = av1_release_frame_buffer;
Jingning Han's avatar
Jingning Han committed
365

Yaowu Xu's avatar
Yaowu Xu committed
366 367
      if (av1_alloc_internal_frame_buffers(&pool->int_frame_buffers))
        aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
Jingning Han's avatar
Jingning Han committed
368 369 370 371 372 373 374
                           "Failed to initialize internal frame buffers");

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

Yaowu Xu's avatar
Yaowu Xu committed
375 376
static void set_default_ppflags(aom_postproc_cfg_t *cfg) {
  cfg->post_proc_flag = AOM_DEBLOCK | AOM_DEMACROBLOCK;
Jingning Han's avatar
Jingning Han committed
377 378 379 380 381 382 383 384 385
  cfg->deblocking_level = 4;
  cfg->noise_level = 0;
}

static int frame_worker_hook(void *arg1, void *arg2) {
  FrameWorkerData *const frame_worker_data = (FrameWorkerData *)arg1;
  const uint8_t *data = frame_worker_data->data;
  (void)arg2;

Yaowu Xu's avatar
Yaowu Xu committed
386
  frame_worker_data->result = av1_receive_compressed_data(
387
      frame_worker_data->pbi, frame_worker_data->data_size, &data);
Jingning Han's avatar
Jingning Han committed
388 389
  frame_worker_data->data_end = data;

390
  if (frame_worker_data->pbi->common.frame_parallel_decode) {
Jingning Han's avatar
Jingning Han committed
391 392 393 394
    // In frame parallel decoding, a worker thread must successfully decode all
    // the compressed data.
    if (frame_worker_data->result != 0 ||
        frame_worker_data->data + frame_worker_data->data_size - 1 > data) {
Yaowu Xu's avatar
Yaowu Xu committed
395
      AVxWorker *const worker = frame_worker_data->pbi->frame_worker_owner;
Jingning Han's avatar
Jingning Han committed
396 397
      BufferPool *const pool = frame_worker_data->pbi->common.buffer_pool;
      // Signal all the other threads that are waiting for this frame.
Yaowu Xu's avatar
Yaowu Xu committed
398
      av1_frameworker_lock_stats(worker);
Jingning Han's avatar
Jingning Han committed
399 400 401 402 403
      frame_worker_data->frame_context_ready = 1;
      lock_buffer_pool(pool);
      frame_worker_data->pbi->cur_buf->buf.corrupted = 1;
      unlock_buffer_pool(pool);
      frame_worker_data->pbi->need_resync = 1;
Yaowu Xu's avatar
Yaowu Xu committed
404 405
      av1_frameworker_signal_stats(worker);
      av1_frameworker_unlock_stats(worker);
Jingning Han's avatar
Jingning Han committed
406 407 408 409 410 411 412 413 414 415
      return 0;
    }
  } else if (frame_worker_data->result != 0) {
    // Check decode result in serial decode.
    frame_worker_data->pbi->cur_buf->buf.corrupted = 1;
    frame_worker_data->pbi->need_resync = 1;
  }
  return !frame_worker_data->result;
}

Yaowu Xu's avatar
Yaowu Xu committed
416
static aom_codec_err_t init_decoder(aom_codec_alg_priv_t *ctx) {
Jingning Han's avatar
Jingning Han committed
417
  int i;
Yaowu Xu's avatar
Yaowu Xu committed
418
  const AVxWorkerInterface *const winterface = aom_get_worker_interface();
Jingning Han's avatar
Jingning Han committed
419 420 421 422 423 424 425 426 427 428

  ctx->last_show_frame = -1;
  ctx->next_submit_worker_id = 0;
  ctx->last_submit_worker_id = 0;
  ctx->next_output_worker_id = 0;
  ctx->frame_cache_read = 0;
  ctx->frame_cache_write = 0;
  ctx->num_cache_frames = 0;
  ctx->need_resync = 1;
  ctx->num_frame_workers =
429
      (ctx->frame_parallel_decode == 1) ? ctx->cfg.threads : 1;
Jingning Han's avatar
Jingning Han committed
430 431 432 433 434
  if (ctx->num_frame_workers > MAX_DECODE_THREADS)
    ctx->num_frame_workers = MAX_DECODE_THREADS;
  ctx->available_threads = ctx->num_frame_workers;
  ctx->flushed = 0;

Yaowu Xu's avatar
Yaowu Xu committed
435 436
  ctx->buffer_pool = (BufferPool *)aom_calloc(1, sizeof(BufferPool));
  if (ctx->buffer_pool == NULL) return AOM_CODEC_MEM_ERROR;
Jingning Han's avatar
Jingning Han committed
437 438

#if CONFIG_MULTITHREAD
439 440
  if (pthread_mutex_init(&ctx->buffer_pool->pool_mutex, NULL)) {
    set_error_detail(ctx, "Failed to allocate buffer pool mutex");
Yaowu Xu's avatar
Yaowu Xu committed
441
    return AOM_CODEC_MEM_ERROR;
442
  }
Jingning Han's avatar
Jingning Han committed
443 444
#endif

Yaowu Xu's avatar
Yaowu Xu committed
445
  ctx->frame_workers = (AVxWorker *)aom_malloc(ctx->num_frame_workers *
446
                                               sizeof(*ctx->frame_workers));
Jingning Han's avatar
Jingning Han committed
447 448
  if (ctx->frame_workers == NULL) {
    set_error_detail(ctx, "Failed to allocate frame_workers");
Yaowu Xu's avatar
Yaowu Xu committed
449
    return AOM_CODEC_MEM_ERROR;
Jingning Han's avatar
Jingning Han committed
450 451 452
  }

  for (i = 0; i < ctx->num_frame_workers; ++i) {
Yaowu Xu's avatar
Yaowu Xu committed
453
    AVxWorker *const worker = &ctx->frame_workers[i];
Jingning Han's avatar
Jingning Han committed
454 455
    FrameWorkerData *frame_worker_data = NULL;
    winterface->init(worker);
Yaowu Xu's avatar
Yaowu Xu committed
456
    worker->data1 = aom_memalign(32, sizeof(FrameWorkerData));
Jingning Han's avatar
Jingning Han committed
457 458
    if (worker->data1 == NULL) {
      set_error_detail(ctx, "Failed to allocate frame_worker_data");
Yaowu Xu's avatar
Yaowu Xu committed
459
      return AOM_CODEC_MEM_ERROR;
Jingning Han's avatar
Jingning Han committed
460 461
    }
    frame_worker_data = (FrameWorkerData *)worker->data1;
Yaowu Xu's avatar
Yaowu Xu committed
462
    frame_worker_data->pbi = av1_decoder_create(ctx->buffer_pool);
Jingning Han's avatar
Jingning Han committed
463 464
    if (frame_worker_data->pbi == NULL) {
      set_error_detail(ctx, "Failed to allocate frame_worker_data");
Yaowu Xu's avatar
Yaowu Xu committed
465
      return AOM_CODEC_MEM_ERROR;
Jingning Han's avatar
Jingning Han committed
466 467 468 469 470 471 472 473 474 475
    }
    frame_worker_data->pbi->frame_worker_owner = worker;
    frame_worker_data->worker_id = i;
    frame_worker_data->scratch_buffer = NULL;
    frame_worker_data->scratch_buffer_size = 0;
    frame_worker_data->frame_context_ready = 0;
    frame_worker_data->received_frame = 0;
#if CONFIG_MULTITHREAD
    if (pthread_mutex_init(&frame_worker_data->stats_mutex, NULL)) {
      set_error_detail(ctx, "Failed to allocate frame_worker_data mutex");
Yaowu Xu's avatar
Yaowu Xu committed
476
      return AOM_CODEC_MEM_ERROR;
Jingning Han's avatar
Jingning Han committed
477 478 479 480
    }

    if (pthread_cond_init(&frame_worker_data->stats_cond, NULL)) {
      set_error_detail(ctx, "Failed to allocate frame_worker_data cond");
Yaowu Xu's avatar
Yaowu Xu committed
481
      return AOM_CODEC_MEM_ERROR;
Jingning Han's avatar
Jingning Han committed
482 483
    }
#endif
484 485
    frame_worker_data->pbi->allow_lowbitdepth = ctx->cfg.allow_lowbitdepth;

Jingning Han's avatar
Jingning Han committed
486 487 488 489 490 491 492 493
    // If decoding in serial mode, FrameWorker thread could create tile worker
    // thread or loopfilter thread.
    frame_worker_data->pbi->max_threads =
        (ctx->frame_parallel_decode == 0) ? ctx->cfg.threads : 0;

    frame_worker_data->pbi->inv_tile_order = ctx->invert_tile_order;
    frame_worker_data->pbi->common.frame_parallel_decode =
        ctx->frame_parallel_decode;
Yaowu Xu's avatar
Yaowu Xu committed
494
    worker->hook = (AVxWorkerHook)frame_worker_hook;
Jingning Han's avatar
Jingning Han committed
495 496
    if (!winterface->reset(worker)) {
      set_error_detail(ctx, "Frame Worker thread creation failed");
Yaowu Xu's avatar
Yaowu Xu committed
497
      return AOM_CODEC_MEM_ERROR;
Jingning Han's avatar
Jingning Han committed
498 499 500 501 502
    }
  }

  // If postprocessing was enabled by the application and a
  // configuration has not been provided, default it.
Yaowu Xu's avatar
Yaowu Xu committed
503
  if (!ctx->postproc_cfg_set && (ctx->base.init_flags & AOM_CODEC_USE_POSTPROC))
Jingning Han's avatar
Jingning Han committed
504 505 506 507
    set_default_ppflags(&ctx->postproc_cfg);

  init_buffer_callbacks(ctx);

Yaowu Xu's avatar
Yaowu Xu committed
508
  return AOM_CODEC_OK;
Jingning Han's avatar
Jingning Han committed
509 510
}

Yaowu Xu's avatar
Yaowu Xu committed
511 512
static INLINE void check_resync(aom_codec_alg_priv_t *const ctx,
                                const AV1Decoder *const pbi) {
Jingning Han's avatar
Jingning Han committed
513 514 515 516 517 518
  // Clear resync flag if worker got a key frame or intra only frame.
  if (ctx->need_resync == 1 && pbi->need_resync == 0 &&
      (pbi->common.intra_only || pbi->common.frame_type == KEY_FRAME))
    ctx->need_resync = 0;
}

Yaowu Xu's avatar
Yaowu Xu committed
519
static aom_codec_err_t decode_one(aom_codec_alg_priv_t *ctx,
Jingning Han's avatar
Jingning Han committed
520 521
                                  const uint8_t **data, unsigned int data_sz,
                                  void *user_priv, int64_t deadline) {
Yaowu Xu's avatar
Yaowu Xu committed
522
  const AVxWorkerInterface *const winterface = aom_get_worker_interface();
Jingning Han's avatar
Jingning Han committed
523 524 525 526 527 528 529
  (void)deadline;

  // 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.
  if (!ctx->si.h) {
    int is_intra_only = 0;
Yaowu Xu's avatar
Yaowu Xu committed
530
    const aom_codec_err_t res =
Jingning Han's avatar
Jingning Han committed
531 532
        decoder_peek_si_internal(*data, data_sz, &ctx->si, &is_intra_only,
                                 ctx->decrypt_cb, ctx->decrypt_state);
Yaowu Xu's avatar
Yaowu Xu committed
533
    if (res != AOM_CODEC_OK) return res;
Jingning Han's avatar
Jingning Han committed
534

Yaowu Xu's avatar
Yaowu Xu committed
535
    if (!ctx->si.is_kf && !is_intra_only) return AOM_CODEC_ERROR;
Jingning Han's avatar
Jingning Han committed
536 537 538
  }

  if (!ctx->frame_parallel_decode) {
Yaowu Xu's avatar
Yaowu Xu committed
539
    AVxWorker *const worker = ctx->frame_workers;
Jingning Han's avatar
Jingning Han committed
540 541 542 543 544 545 546 547 548 549
    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
    frame_worker_data->data = *data;
    frame_worker_data->data_size = data_sz;
    frame_worker_data->user_priv = user_priv;
    frame_worker_data->received_frame = 1;

    // Set these even if already initialized.  The caller may have changed the
    // decrypt config between frames.
    frame_worker_data->pbi->decrypt_cb = ctx->decrypt_cb;
    frame_worker_data->pbi->decrypt_state = ctx->decrypt_state;
550 551 552 553
#if CONFIG_INSPECTION
    frame_worker_data->pbi->inspect_cb = ctx->inspect_cb;
    frame_worker_data->pbi->inspect_ctx = ctx->inspect_ctx;
#endif
Jingning Han's avatar
Jingning Han committed
554

555
#if CONFIG_EXT_TILE
556 557
    frame_worker_data->pbi->dec_tile_row = ctx->decode_tile_row;
    frame_worker_data->pbi->dec_tile_col = ctx->decode_tile_col;
558 559
#endif  // CONFIG_EXT_TILE

Jingning Han's avatar
Jingning Han committed
560 561 562 563 564 565 566 567 568 569 570
    worker->had_error = 0;
    winterface->execute(worker);

    // Update data pointer after decode.
    *data = frame_worker_data->data_end;

    if (worker->had_error)
      return update_error_state(ctx, &frame_worker_data->pbi->common.error);

    check_resync(ctx, frame_worker_data->pbi);
  } else {
Yaowu Xu's avatar
Yaowu Xu committed
571
    AVxWorker *const worker = &ctx->frame_workers[ctx->next_submit_worker_id];
Jingning Han's avatar
Jingning Han committed
572 573 574
    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
    // Copy context from last worker thread to next worker thread.
    if (ctx->next_submit_worker_id != ctx->last_submit_worker_id)
Yaowu Xu's avatar
Yaowu Xu committed
575
      av1_frameworker_copy_context(
Jingning Han's avatar
Jingning Han committed
576 577 578 579 580 581 582 583 584
          &ctx->frame_workers[ctx->next_submit_worker_id],
          &ctx->frame_workers[ctx->last_submit_worker_id]);

    frame_worker_data->pbi->ready_for_new_data = 0;
    // Copy the compressed data into worker's internal buffer.
    // TODO(hkuang): Will all the workers allocate the same size
    // as the size of the first intra frame be better? This will
    // avoid too many deallocate and allocate.
    if (frame_worker_data->scratch_buffer_size < data_sz) {
Alex Converse's avatar
Alex Converse committed
585 586
      aom_free(frame_worker_data->scratch_buffer);
      frame_worker_data->scratch_buffer = (uint8_t *)aom_malloc(data_sz);
Jingning Han's avatar
Jingning Han committed
587 588
      if (frame_worker_data->scratch_buffer == NULL) {
        set_error_detail(ctx, "Failed to reallocate scratch buffer");
Yaowu Xu's avatar
Yaowu Xu committed
589
        return AOM_CODEC_MEM_ERROR;
Jingning Han's avatar
Jingning Han committed
590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612
      }
      frame_worker_data->scratch_buffer_size = data_sz;
    }
    frame_worker_data->data_size = data_sz;
    memcpy(frame_worker_data->scratch_buffer, *data, data_sz);

    frame_worker_data->frame_decoded = 0;
    frame_worker_data->frame_context_ready = 0;
    frame_worker_data->received_frame = 1;
    frame_worker_data->data = frame_worker_data->scratch_buffer;
    frame_worker_data->user_priv = user_priv;

    if (ctx->next_submit_worker_id != ctx->last_submit_worker_id)
      ctx->last_submit_worker_id =
          (ctx->last_submit_worker_id + 1) % ctx->num_frame_workers;

    ctx->next_submit_worker_id =
        (ctx->next_submit_worker_id + 1) % ctx->num_frame_workers;
    --ctx->available_threads;
    worker->had_error = 0;
    winterface->launch(worker);
  }

Yaowu Xu's avatar
Yaowu Xu committed
613
  return AOM_CODEC_OK;
Jingning Han's avatar
Jingning Han committed
614 615
}

Yaowu Xu's avatar
Yaowu Xu committed
616
static void wait_worker_and_cache_frame(aom_codec_alg_priv_t *ctx) {
Jingning Han's avatar
Jingning Han committed
617
  YV12_BUFFER_CONFIG sd;
Yaowu Xu's avatar
Yaowu Xu committed
618 619
  const AVxWorkerInterface *const winterface = aom_get_worker_interface();
  AVxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id];
Jingning Han's avatar
Jingning Han committed
620 621 622 623 624 625 626 627 628 629
  FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
  ctx->next_output_worker_id =
      (ctx->next_output_worker_id + 1) % ctx->num_frame_workers;
  // TODO(hkuang): Add worker error handling here.
  winterface->sync(worker);
  frame_worker_data->received_frame = 0;
  ++ctx->available_threads;

  check_resync(ctx, frame_worker_data->pbi);

Yaowu Xu's avatar
Yaowu Xu committed
630 631
  if (av1_get_raw_frame(frame_worker_data->pbi, &sd) == 0) {
    AV1_COMMON *const cm = &frame_worker_data->pbi->common;
Jingning Han's avatar
Jingning Han committed
632 633 634 635 636 637
    RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
    ctx->frame_cache[ctx->frame_cache_write].fb_idx = cm->new_fb_idx;
    yuvconfig2image(&ctx->frame_cache[ctx->frame_cache_write].img, &sd,
                    frame_worker_data->user_priv);
    ctx->frame_cache[ctx->frame_cache_write].img.fb_priv =
        frame_bufs[cm->new_fb_idx].raw_frame_buffer.priv;
638
    ctx->frame_cache_write = (ctx->frame_cache_write + 1) % FRAME_CACHE_SIZE;
Jingning Han's avatar
Jingning Han committed
639 640 641 642
    ++ctx->num_cache_frames;
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
643
static aom_codec_err_t decoder_decode(aom_codec_alg_priv_t *ctx,
Jingning Han's avatar
Jingning Han committed
644 645 646
                                      const uint8_t *data, unsigned int data_sz,
                                      void *user_priv, long deadline) {
  const uint8_t *data_start = data;
647
  const uint8_t *const data_end = data + data_sz;
Yaowu Xu's avatar
Yaowu Xu committed
648
  aom_codec_err_t res;
Jingning Han's avatar
Jingning Han committed
649 650 651 652 653
  uint32_t frame_sizes[8];
  int frame_count;

  if (data == NULL && data_sz == 0) {
    ctx->flushed = 1;
Yaowu Xu's avatar
Yaowu Xu committed
654
    return AOM_CODEC_OK;
Jingning Han's avatar
Jingning Han committed
655 656 657 658 659 660 661
  }

  // Reset flushed when receiving a valid frame.
  ctx->flushed = 0;

  // Initialize the decoder workers on the first frame.
  if (ctx->frame_workers == NULL) {
662
    res = init_decoder(ctx);
Yaowu Xu's avatar
Yaowu Xu committed
663
    if (res != AOM_CODEC_OK) return res;
Jingning Han's avatar
Jingning Han committed
664 665
  }

666
  int index_size = 0;
Yaowu Xu's avatar
Yaowu Xu committed
667
  res = av1_parse_superframe_index(data, data_sz, frame_sizes, &frame_count,
668 669
                                   &index_size, ctx->decrypt_cb,
                                   ctx->decrypt_state);
Yaowu Xu's avatar
Yaowu Xu committed
670
  if (res != AOM_CODEC_OK) return res;
Jingning Han's avatar
Jingning Han committed
671

672 673
  data_start += index_size;

Jingning Han's avatar
Jingning Han committed
674 675 676 677 678 679 680 681 682 683 684
  if (ctx->frame_parallel_decode) {
    // Decode in frame parallel mode. When decoding in this mode, the frame
    // passed to the decoder must be either a normal frame or a superframe with
    // superframe index so the decoder could get each frame's start position
    // in the superframe.
    if (frame_count > 0) {
      int i;

      for (i = 0; i < frame_count; ++i) {
        const uint8_t *data_start_copy = data_start;
        const uint32_t frame_size = frame_sizes[i];
685 686
        if (data_start < data ||
            frame_size > (uint32_t)(data_end - data_start)) {
Jingning Han's avatar
Jingning Han committed
687
          set_error_detail(ctx, "Invalid frame size in index");
Yaowu Xu's avatar
Yaowu Xu committed
688
          return AOM_CODEC_CORRUPT_FRAME;
Jingning Han's avatar
Jingning Han committed
689 690 691 692 693 694 695 696 697 698
        }

        if (ctx->available_threads == 0) {
          // No more threads for decoding. Wait until the next output worker
          // finishes decoding. Then copy the decoded frame into cache.
          if (ctx->num_cache_frames < FRAME_CACHE_SIZE) {
            wait_worker_and_cache_frame(ctx);
          } else {
            // TODO(hkuang): Add unit test to test this path.
            set_error_detail(ctx, "Frame output cache is full.");
Yaowu Xu's avatar
Yaowu Xu committed
699
            return AOM_CODEC_ERROR;
Jingning Han's avatar
Jingning Han committed
700 701 702
          }
        }

703 704
        res =
            decode_one(ctx, &data_start_copy, frame_size, user_priv, deadline);
Yaowu Xu's avatar
Yaowu Xu committed
705
        if (res != AOM_CODEC_OK) return res;
Jingning Han's avatar
Jingning Han committed
706 707 708 709 710 711 712 713 714 715 716
        data_start += frame_size;
      }
    } else {
      if (ctx->available_threads == 0) {
        // No more threads for decoding. Wait until the next output worker
        // finishes decoding. Then copy the decoded frame into cache.
        if (ctx->num_cache_frames < FRAME_CACHE_SIZE) {
          wait_worker_and_cache_frame(ctx);
        } else {
          // TODO(hkuang): Add unit test to test this path.
          set_error_detail(ctx, "Frame output cache is full.");
Yaowu Xu's avatar
Yaowu Xu committed
717
          return AOM_CODEC_ERROR;
Jingning Han's avatar
Jingning Han committed
718 719 720 721
        }
      }

      res = decode_one(ctx, &data, data_sz, user_priv, deadline);
Yaowu Xu's avatar
Yaowu Xu committed
722
      if (res != AOM_CODEC_OK) return res;
Jingning Han's avatar
Jingning Han committed
723 724 725 726 727 728 729 730 731
    }
  } else {
    // Decode in serial mode.
    if (frame_count > 0) {
      int i;

      for (i = 0; i < frame_count; ++i) {
        const uint8_t *data_start_copy = data_start;
        const uint32_t frame_size = frame_sizes[i];
732 733
        if (data_start < data ||
            frame_size > (uint32_t)(data_end - data_start)) {
Jingning Han's avatar
Jingning Han committed
734
          set_error_detail(ctx, "Invalid frame size in index");
Yaowu Xu's avatar
Yaowu Xu committed
735
          return AOM_CODEC_CORRUPT_FRAME;
Jingning Han's avatar
Jingning Han committed
736 737
        }

738 739
        res =
            decode_one(ctx, &data_start_copy, frame_size, user_priv, deadline);
Yaowu Xu's avatar
Yaowu Xu committed
740
        if (res != AOM_CODEC_OK) return res;
Jingning Han's avatar
Jingning Han committed
741 742 743 744 745

        data_start += frame_size;
      }
    } else {
      while (data_start < data_end) {
746
        const uint32_t frame_size = (uint32_t)(data_end - data_start);
747
        res = decode_one(ctx, &data_start, frame_size, user_priv, deadline);
Yaowu Xu's avatar
Yaowu Xu committed
748
        if (res != AOM_CODEC_OK) return res;
Jingning Han's avatar
Jingning Han committed
749 750 751

        // Account for suboptimal termination by the encoder.
        while (data_start < data_end) {
752 753 754
          const uint8_t marker =
              read_marker(ctx->decrypt_cb, ctx->decrypt_state, data_start);
          if (marker) break;
Jingning Han's avatar
Jingning Han committed
755 756 757 758 759 760 761 762 763
          ++data_start;
        }
      }
    }
  }

  return res;
}

Yaowu Xu's avatar
Yaowu Xu committed
764
static void release_last_output_frame(aom_codec_alg_priv_t *ctx) {
Jingning Han's avatar
Jingning Han committed
765 766 767 768 769 770 771 772 773 774
  RefCntBuffer *const frame_bufs = ctx->buffer_pool->frame_bufs;
  // Decrease reference count of last output frame in frame parallel mode.
  if (ctx->frame_parallel_decode && ctx->last_show_frame >= 0) {
    BufferPool *const pool = ctx->buffer_pool;
    lock_buffer_pool(pool);
    decrease_ref_count(ctx->last_show_frame, frame_bufs, pool);
    unlock_buffer_pool(pool);
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
775 776 777
static aom_image_t *decoder_get_frame(aom_codec_alg_priv_t *ctx,
                                      aom_codec_iter_t *iter) {
  aom_image_t *img = NULL;
Jingning Han's avatar
Jingning Han committed
778 779 780 781 782 783 784 785 786 787 788

  // Only return frame when all the cpu are busy or
  // application fluhsed the decoder in frame parallel decode.
  if (ctx->frame_parallel_decode && ctx->available_threads > 0 &&
      !ctx->flushed) {
    return NULL;
  }

  // Output the frames in the cache first.
  if (ctx->num_cache_frames > 0) {
    release_last_output_frame(ctx);
789 790
    ctx->last_show_frame = ctx->frame_cache[ctx->frame_cache_read].fb_idx;
    if (ctx->need_resync) return NULL;
Jingning Han's avatar
Jingning Han committed
791 792 793 794 795 796 797 798 799 800 801
    img = &ctx->frame_cache[ctx->frame_cache_read].img;
    ctx->frame_cache_read = (ctx->frame_cache_read + 1) % FRAME_CACHE_SIZE;
    --ctx->num_cache_frames;
    return img;
  }

  // iter acts as a flip flop, so an image is only returned on the first
  // call to get_frame.
  if (*iter == NULL && ctx->frame_workers != NULL) {
    do {
      YV12_BUFFER_CONFIG sd;
Yaowu Xu's avatar
Yaowu Xu committed
802 803
      const AVxWorkerInterface *const winterface = aom_get_worker_interface();
      AVxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id];
Jingning Han's avatar
Jingning Han committed
804 805 806 807 808 809 810 811 812 813 814 815
      FrameWorkerData *const frame_worker_data =
          (FrameWorkerData *)worker->data1;
      ctx->next_output_worker_id =
          (ctx->next_output_worker_id + 1) % ctx->num_frame_workers;
      // Wait for the frame from worker thread.
      if (winterface->sync(worker)) {
        // Check if worker has received any frames.
        if (frame_worker_data->received_frame == 1) {
          ++ctx->available_threads;
          frame_worker_data->received_frame = 0;
          check_resync(ctx, frame_worker_data->pbi);
        }
Yaowu Xu's avatar
Yaowu Xu committed
816 817
        if (av1_get_raw_frame(frame_worker_data->pbi, &sd) == 0) {
          AV1_COMMON *const cm = &frame_worker_data->pbi->common;
Jingning Han's avatar
Jingning Han committed
818 819 820
          RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
          release_last_output_frame(ctx);
          ctx->last_show_frame = frame_worker_data->pbi->common.new_fb_idx;
821
          if (ctx->need_resync) return NULL;
Jingning Han's avatar
Jingning Han committed
822
          yuvconfig2image(&ctx->img, &sd, frame_worker_data->user_priv);
823 824

#if CONFIG_EXT_TILE
825
          if (cm->single_tile_decoding &&
826
              frame_worker_data->pbi->dec_tile_row >= 0) {
827
            const int tile_row =
Yaowu Xu's avatar
Yaowu Xu committed
828
                AOMMIN(frame_worker_data->pbi->dec_tile_row, cm->tile_rows - 1);
829 830 831 832 833
            const int mi_row = tile_row * cm->tile_height;
            const int ssy = ctx->img.y_chroma_shift;
            int plane;
            ctx->img.planes[0] += mi_row * MI_SIZE * ctx->img.stride[0];
            for (plane = 1; plane < MAX_MB_PLANE; ++plane) {
834 835
              ctx->img.planes[plane] +=
                  mi_row * (MI_SIZE >> ssy) * ctx->img.stride[plane];
836
            }
837
            ctx->img.d_h =
Yaowu Xu's avatar
Yaowu Xu committed
838
                AOMMIN(cm->tile_height, cm->mi_rows - mi_row) * MI_SIZE;
839 840
          }

841
          if (cm->single_tile_decoding &&
842
              frame_worker_data->pbi->dec_tile_col >= 0) {
843
            const int tile_col =
Yaowu Xu's avatar
Yaowu Xu committed
844
                AOMMIN(frame_worker_data->pbi->dec_tile_col, cm->tile_cols - 1);
845 846 847 848 849 850 851
            const int mi_col = tile_col * cm->tile_width;
            const int ssx = ctx->img.x_chroma_shift;
            int plane;
            ctx->img.planes[0] += mi_col * MI_SIZE;
            for (plane = 1; plane < MAX_MB_PLANE; ++plane) {
              ctx->img.planes[plane] += mi_col * (MI_SIZE >> ssx);
            }
852
            ctx->img.d_w =
Yaowu Xu's avatar
Yaowu Xu committed
853
                AOMMIN(cm->tile_width, cm->mi_cols - mi_col) * MI_SIZE;
854 855 856
          }
#endif  // CONFIG_EXT_TILE

Jingning Han's avatar
Jingning Han committed
857 858 859 860 861 862 863 864 865
          ctx->img.fb_priv = frame_bufs[cm->new_fb_idx].raw_frame_buffer.priv;
          img = &ctx->img;
          return img;
        }
      } else {
        // Decoding failed. Release the worker thread.
        frame_worker_data->received_frame = 0;
        ++ctx->available_threads;
        ctx->need_resync = 1;
866
        if (ctx->flushed != 1) return NULL;
Jingning Han's avatar
Jingning Han committed
867 868 869 870 871 872
      }
    } while (ctx->next_output_worker_id != ctx->next_submit_worker_id);
  }
  return NULL;
}

Yaowu Xu's avatar
Yaowu Xu committed
873 874 875
static aom_codec_err_t decoder_set_fb_fn(
    aom_codec_alg_priv_t *ctx, aom_get_frame_buffer_cb_fn_t cb_get,
    aom_release_frame_buffer_cb_fn_t cb_release, void *cb_priv) {
Jingning Han's avatar
Jingning Han committed
876
  if (cb_get == NULL || cb_release == NULL) {
Yaowu Xu's avatar
Yaowu Xu committed
877
    return AOM_CODEC_INVALID_PARAM;
Jingning Han's avatar
Jingning Han committed
878 879 880 881 882 883
  } else if (ctx->frame_workers == 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;
Yaowu Xu's avatar
Yaowu Xu committed
884
    return AOM_CODEC_OK;
Jingning Han's avatar
Jingning Han committed
885 886
  }

Yaowu Xu's avatar
Yaowu Xu committed
887
  return AOM_CODEC_ERROR;
Jingning Han's avatar
Jingning Han committed
888 889
}

Yaowu Xu's avatar
Yaowu Xu committed
890
static aom_codec_err_t ctrl_set_reference(aom_codec_alg_priv_t *ctx,
Jingning Han's avatar
Jingning Han committed
891
                                          va_list args) {
892
  av1_ref_frame_t *const data = va_arg(args, av1_ref_frame_t *);
Jingning Han's avatar
Jingning Han committed
893 894 895 896

  // Only support this function in serial decode.
  if (ctx->frame_parallel_decode) {
    set_error_detail(ctx, "Not supported in frame parallel decode");
Yaowu Xu's avatar
Yaowu Xu committed
897
    return AOM_CODEC_INCAPABLE;
Jingning Han's avatar
Jingning Han committed
898 899 900
  }

  if (data) {
901
    av1_ref_frame_t *const frame = data;
Jingning Han's avatar
Jingning Han committed
902
    YV12_BUFFER_CONFIG sd;
Yaowu Xu's avatar
Yaowu Xu committed
903
    AVxWorker *const worker = ctx->frame_workers;
Jingning Han's avatar
Jingning Han committed
904 905
    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
    image2yuvconfig(&frame->img, &sd);
906
    return av1_set_reference_dec(&frame_worker_data->pbi->common, frame->idx,
Yaowu Xu's avatar
Yaowu Xu committed
907
                                 &sd);
Jingning Han's avatar
Jingning Han committed
908
  } else {
Yaowu Xu's avatar
Yaowu Xu committed
909
    return AOM_CODEC_INVALID_PARAM;
Jingning Han's avatar
Jingning Han committed
910 911 912
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
913
static aom_codec_err_t ctrl_copy_reference(aom_codec_alg_priv_t *ctx,
Jingning Han's avatar
Jingning Han committed
914
                                           va_list args) {
915
  const av1_ref_frame_t *const frame = va_arg(args, av1_ref_frame_t *);
Jingning Han's avatar
Jingning Han committed
916 917 918 919

  // Only support this function in serial decode.
  if (ctx->frame_parallel_decode) {
    set_error_detail(ctx, "Not supported in frame parallel decode");
Yaowu Xu's avatar
Yaowu Xu committed
920
    return AOM_CODEC_INCAPABLE;
Jingning Han's avatar
Jingning Han committed
921 922
  }

Urvang Joshi's avatar
Urvang Joshi committed
923
  if (frame) {
Jingning Han's avatar
Jingning Han committed
924
    YV12_BUFFER_CONFIG sd;
Yaowu Xu's avatar
Yaowu Xu committed
925
    AVxWorker *const worker = ctx->frame_workers;
Jingning Han's avatar
Jingning Han committed
926 927
    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
    image2yuvconfig(&frame->img, &sd);
928
    return av1_copy_reference_dec(frame_worker_data->pbi, frame->idx, &sd);
Jingning Han's avatar
Jingning Han committed
929
  } else {
Yaowu Xu's avatar
Yaowu Xu committed
930
    return AOM_CODEC_INVALID_PARAM;
Jingning Han's avatar
Jingning Han committed
931 932 933
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
934
static aom_codec_err_t ctrl_get_reference(aom_codec_alg_priv_t *ctx,
Jingning Han's avatar
Jingning Han committed
935
                                          va_list args) {
Yaowu Xu's avatar
Yaowu Xu committed
936
  av1_ref_frame_t *data = va_arg(args, av1_ref_frame_t *);
Jingning Han's avatar
Jingning Han committed
937 938 939 940

  // Only support this function in serial decode.
  if (ctx->frame_parallel_decode) {
    set_error_detail(ctx, "Not supported in frame parallel decode");
Yaowu Xu's avatar
Yaowu Xu committed
941
    return AOM_CODEC_INCAPABLE;
Jingning Han's avatar
Jingning Han committed
942 943 944
  }

  if (data) {
945
    YV12_BUFFER_CONFIG *fb;
Yaowu Xu's avatar
Yaowu Xu committed
946
    AVxWorker *const worker = ctx->frame_workers;
Jingning Han's avatar
Jingning Han committed
947 948
    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
    fb = get_ref_frame(&frame_worker_data->pbi->common, data->idx);
Yaowu Xu's avatar
Yaowu Xu committed
949
    if (fb == NULL) return AOM_CODEC_ERROR;
Jingning Han's avatar
Jingning Han committed
950
    yuvconfig2image(&data->img, fb, NULL);
Yaowu Xu's avatar
Yaowu Xu committed
951
    return AOM_CODEC_OK;
Jingning Han's avatar
Jingning Han committed
952
  } else {
Yaowu Xu's avatar
Yaowu Xu committed
953
    return AOM_CODEC_INVALID_PARAM;
Jingning Han's avatar
Jingning Han committed
954 955 956
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
957
static aom_codec_err_t ctrl_get_new_frame_image(aom_codec_alg_priv_t *ctx,
958
                                                va_list args) {
Yaowu Xu's avatar
Yaowu Xu committed
959
  aom_image_t *new_img = va_arg(args, aom_image_t *);
960 961 962 963

  // Only support this function in serial decode.
  if (ctx->frame_parallel_decode) {
    set_error_detail(ctx, "Not supported in frame parallel decode");
Yaowu Xu's avatar
Yaowu Xu committed
964
    return AOM_CODEC_INCAPABLE;
965 966 967 968
  }

  if (new_img) {
    YV12_BUFFER_CONFIG new_frame;
Yaowu Xu's avatar
Yaowu Xu committed
969
    AVxWorker *const worker = ctx->frame_workers;
970 971
    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;

Yaowu Xu's avatar
Yaowu Xu committed
972
    if (av1_get_frame_to_show(frame_worker_data->pbi, &new_frame) == 0) {
973
      yuvconfig2image(new_img, &new_frame, NULL);
Yaowu Xu's avatar
Yaowu Xu committed
974
      return AOM_CODEC_OK;
975
    } else {
Yaowu Xu's avatar
Yaowu Xu committed
976
      return AOM_CODEC_ERROR;