vp9_decoder.h | Explore in Territory

/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef VPX_VP9_DECODER_VP9_DECODER_H_
#define VPX_VP9_DECODER_VP9_DECODER_H_

#include "./vpx_config.h"

#include "vpx/vpx_codec.h"
#include "vpx_dsp/bitreader.h"
#include "vpx_scale/yv12config.h"
#include "vpx_util/vpx_pthread.h"
#include "vpx_util/vpx_thread.h"

#include "vp9/common/vp9_thread_common.h"
#include "vp9/common/vp9_onyxc_int.h"
#include "vp9/common/vp9_ppflags.h"
#include "./vp9_job_queue.h"

#ifdef __cplusplus
extern "C" {
#endif

#define EOBS_PER_SB_LOG2 …
#define DQCOEFFS_PER_SB_LOG2 …
#define PARTITIONS_PER_SB …

JobType;

ThreadData;

TileBuffer;

TileWorkerData;

process_block_fn_t;

RowMTWorkerData;

/* Structure to queue and dequeue row decode jobs */
Job;

VP9Decoder;

int vp9_receive_compressed_data(struct VP9Decoder *pbi, size_t size,
                                const uint8_t **psource);

int vp9_get_raw_frame(struct VP9Decoder *pbi, YV12_BUFFER_CONFIG *sd,
                      vp9_ppflags_t *flags);

vpx_codec_err_t vp9_copy_reference_dec(struct VP9Decoder *pbi,
                                       VP9_REFFRAME ref_frame_flag,
                                       YV12_BUFFER_CONFIG *sd);

vpx_codec_err_t vp9_set_reference_dec(VP9_COMMON *cm,
                                      VP9_REFFRAME ref_frame_flag,
                                      YV12_BUFFER_CONFIG *sd);

static INLINE uint8_t read_marker(vpx_decrypt_cb decrypt_cb,
                                  void *decrypt_state, const uint8_t *data) { … }

// This function is exposed for use in tests, as well as the inlined function
// "read_marker".
vpx_codec_err_t vp9_parse_superframe_index(const uint8_t *data, size_t data_sz,
                                           uint32_t sizes[8], int *count,
                                           vpx_decrypt_cb decrypt_cb,
                                           void *decrypt_state);

struct VP9Decoder *vp9_decoder_create(BufferPool *const pool);

void vp9_decoder_remove(struct VP9Decoder *pbi);

void vp9_dec_alloc_row_mt_mem(RowMTWorkerData *row_mt_worker_data,
                              VP9_COMMON *cm, int num_sbs, int max_threads,
                              int num_jobs);
void vp9_dec_free_row_mt_mem(RowMTWorkerData *row_mt_worker_data);

static INLINE void decrease_ref_count(int idx, RefCntBuffer *const frame_bufs,
                                      BufferPool *const pool) { … }

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // VPX_VP9_DECODER_VP9_DECODER_H_
chromium/third_party/libvpx/source/libvpx/vp9/decoder/vp9_decoder.h
