1/*
2 *  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef VP9_DECODER_VP9_DTHREAD_H_
12#define VP9_DECODER_VP9_DTHREAD_H_
13
14#include "./vpx_config.h"
15#include "vp9/common/vp9_loopfilter.h"
16#include "vp9/decoder/vp9_reader.h"
17#include "vp9/decoder/vp9_thread.h"
18
19struct macroblockd;
20struct VP9Common;
21struct VP9Decoder;
22
23typedef struct TileWorkerData {
24  struct VP9Common *cm;
25  vp9_reader bit_reader;
26  DECLARE_ALIGNED(16, struct macroblockd, xd);
27
28  // Row-based parallel loopfilter data
29  LFWorkerData lfdata;
30} TileWorkerData;
31
32// Loopfilter row synchronization
33typedef struct VP9LfSyncData {
34#if CONFIG_MULTITHREAD
35  pthread_mutex_t *mutex_;
36  pthread_cond_t *cond_;
37#endif
38  // Allocate memory to store the loop-filtered superblock index in each row.
39  int *cur_sb_col;
40  // The optimal sync_range for different resolution and platform should be
41  // determined by testing. Currently, it is chosen to be a power-of-2 number.
42  int sync_range;
43} VP9LfSync;
44
45// Allocate memory for loopfilter row synchronization.
46void vp9_loop_filter_alloc(struct VP9Common *cm, struct VP9LfSyncData *lf_sync,
47                           int rows, int width);
48
49// Deallocate loopfilter synchronization related mutex and data.
50void vp9_loop_filter_dealloc(struct VP9LfSyncData *lf_sync, int rows);
51
52// Multi-threaded loopfilter that uses the tile threads.
53void vp9_loop_filter_frame_mt(struct VP9Decoder *pbi,
54                              struct VP9Common *cm,
55                              struct macroblockd *xd,
56                              int frame_filter_level,
57                              int y_only, int partial_frame);
58
59#endif  // VP9_DECODER_VP9_DTHREAD_H_
60