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/*
* Copyright (c) 2014 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 VP9_DECODER_VP9_DTHREAD_H_
#define VP9_DECODER_VP9_DTHREAD_H_
#include "./vpx_config.h"
#include "vp9/common/vp9_thread.h"
#include "vpx/internal/vpx_codec_internal.h"
struct VP9Common;
struct VP9Decoder;
// WorkerData for the FrameWorker thread. It contains all the information of
// the worker and decode structures for decoding a frame.
typedef struct FrameWorkerData {
struct VP9Decoder *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 vp9_frameworker_lock_stats(VP9Worker *const worker);
void vp9_frameworker_unlock_stats(VP9Worker *const worker);
void vp9_frameworker_signal_stats(VP9Worker *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 vp9_frameworker_wait(VP9Worker *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 vp9_frameworker_broadcast(RefCntBuffer *const buf, int row);
// Copy necessary decoding context from src worker to dst worker.
void vp9_frameworker_copy_context(VP9Worker *const dst_worker,
VP9Worker *const src_worker);
#endif // VP9_DECODER_VP9_DTHREAD_H_
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