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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* 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.
*/
#ifndef AV1_DECODER_DTHREAD_H_
#define AV1_DECODER_DTHREAD_H_
#include "./aom_config.h"
#include "aom_util/aom_thread.h"
#include "aom/internal/aom_codec_internal.h"
#ifdef __cplusplus
extern "C" {
#endif
struct AV1Common;
struct AV1Decoder;
// WorkerData for the FrameWorker thread. It contains all the information of
// the worker and decode structures for decoding a frame.
typedef struct FrameWorkerData {
struct AV1Decoder *pbi;
const uint8_t *data;
const uint8_t *data_end;
size_t data_size;
void *user_priv;
int result;
int worker_id;
int received_frame;
// scratch_buffer is used in frame parallel mode only.
// It is used to make a copy of the compressed data.
uint8_t *scratch_buffer;
size_t scratch_buffer_size;
#if CONFIG_MULTITHREAD
pthread_mutex_t stats_mutex;
pthread_cond_t stats_cond;
#endif
int frame_context_ready; // Current frame's context is ready to read.
int frame_decoded; // Finished decoding current frame.
} FrameWorkerData;
void av1_frameworker_lock_stats(AVxWorker *const worker);
void av1_frameworker_unlock_stats(AVxWorker *const worker);
void av1_frameworker_signal_stats(AVxWorker *const worker);
// Wait until ref_buf has been decoded to row in real pixel unit.
// Note: worker may already finish decoding ref_buf and release it in order to
// start decoding next frame. So need to check whether worker is still decoding
// ref_buf.
void av1_frameworker_wait(AVxWorker *const worker, RefCntBuffer *const ref_buf,
int row);
// FrameWorker broadcasts its decoding progress so other workers that are
// waiting on it can resume decoding.
void av1_frameworker_broadcast(RefCntBuffer *const buf, int row);
// Copy necessary decoding context from src worker to dst worker.
void av1_frameworker_copy_context(AVxWorker *const dst_worker,
AVxWorker *const src_worker);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AV1_DECODER_DTHREAD_H_