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 19 struct macroblockd; 20 struct VP9Common; 21 struct VP9Decompressor; 22 23 typedef 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 33 typedef 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. 46 void 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. 50 void vp9_loop_filter_dealloc(struct VP9LfSyncData *lf_sync, int rows); 51 52 // Multi-threaded loopfilter that uses the tile threads. 53 void vp9_loop_filter_frame_mt(struct VP9Decompressor *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