95 lines
3.2 KiB
C
95 lines
3.2 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;
|
|
void *user_priv;
|
|
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;
|
|
|
|
pthread_mutex_t stats_mutex;
|
|
pthread_cond_t stats_cond;
|
|
|
|
int frame_context_ready; // Current frame's context is ready to read.
|
|
} 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);
|
|
|
|
// Wait for FrameWorker to finish decoding ref_buf to (r,c) position.
|
|
// 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, int row, int col,
|
|
RefCntBuffer *ref_buf);
|
|
|
|
// FrameWorker broadcasts its decoding progress so other workers that are
|
|
// waiting it could resume decoding.
|
|
void vp9_frameworker_broadcast(VP9Worker* const worker, int row, int col);
|
|
|
|
// Copy necessary decoding context from src worker to dst worker.
|
|
void vp9_frameworker_copy_context(VP9Worker *const dst_worker,
|
|
const VP9Worker *const src_worker);
|
|
|
|
#endif // VP9_DECODER_VP9_DTHREAD_H_
|