ref: 61ff08ef61d48f569eee8708b6f08009e142ed0d
dir: /vp9/decoder/vp9_dthread.h/
/*
* 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 "vp9/decoder/vp9_reader.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;
int rows;
} VP9LfSync;
// Allocate memory for loopfilter row synchronization.
void vp9_loop_filter_alloc(VP9LfSync *lf_sync, VP9_COMMON *cm, int rows,
int width);
// Deallocate loopfilter synchronization related mutex and data.
void vp9_loop_filter_dealloc(VP9LfSync *lf_sync);
// 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_