vpx/vp9/decoder/vp9_dthread.h
hkuang 9bc040859b Introduce FrameWorker for decoding.
When decoding in serial mode, there will be only
one FrameWorker doing decoding. When decoding in
parallel mode, there will be several FrameWorkers
doing decoding in parallel.

Change-Id: If53fc5c49c7a0bf5e773f1ce7008b8a62fdae257
2014-06-20 14:46:45 -07:00

74 lines
2.3 KiB
C

/*
* 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/decoder/vp9_reader.h"
#include "vp9/decoder/vp9_thread.h"
struct VP9Common;
struct VP9Decoder;
typedef struct TileWorkerData {
struct VP9Common *cm;
vp9_reader bit_reader;
DECLARE_ALIGNED(16, struct macroblockd, xd);
// Row-based parallel loopfilter data
LFWorkerData lfdata;
} TileWorkerData;
// Loopfilter row synchronization
typedef struct VP9LfSyncData {
#if CONFIG_MULTITHREAD
pthread_mutex_t *mutex_;
pthread_cond_t *cond_;
#endif
// Allocate memory to store the loop-filtered superblock index in each row.
int *cur_sb_col;
// The optimal sync_range for different resolution and platform should be
// determined by testing. Currently, it is chosen to be a power-of-2 number.
int sync_range;
} VP9LfSync;
// 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;
int result;
int worker_id;
// 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;
} FrameWorkerData;
// Allocate memory for loopfilter row synchronization.
void vp9_loop_filter_alloc(struct VP9Common *cm, VP9LfSync *lf_sync,
int rows, int width);
// Deallocate loopfilter synchronization related mutex and data.
void vp9_loop_filter_dealloc(VP9LfSync *lf_sync, int rows);
// Multi-threaded loopfilter that uses the tile threads.
void vp9_loop_filter_frame_mt(YV12_BUFFER_CONFIG *frame,
struct VP9Decoder *pbi,
struct VP9Common *cm,
int frame_filter_level,
int y_only);
#endif // VP9_DECODER_VP9_DTHREAD_H_