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      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_COMMON_VP9_THREAD_COMMON_H_
     12 #define VP9_COMMON_VP9_THREAD_COMMON_H_
     13 #include "./vpx_config.h"
     14 #include "vp9/common/vp9_loopfilter.h"
     15 #include "vpx_util/vpx_thread.h"
     16 
     17 #ifdef __cplusplus
     18 extern "C" {
     19 #endif
     20 
     21 struct VP9Common;
     22 struct FRAME_COUNTS;
     23 
     24 // Loopfilter row synchronization
     25 typedef struct VP9LfSyncData {
     26 #if CONFIG_MULTITHREAD
     27   pthread_mutex_t *mutex_;
     28   pthread_cond_t *cond_;
     29 #endif
     30   // Allocate memory to store the loop-filtered superblock index in each row.
     31   int *cur_sb_col;
     32   // The optimal sync_range for different resolution and platform should be
     33   // determined by testing. Currently, it is chosen to be a power-of-2 number.
     34   int sync_range;
     35   int rows;
     36 
     37   // Row-based parallel loopfilter data
     38   LFWorkerData *lfdata;
     39   int num_workers;
     40 } VP9LfSync;
     41 
     42 // Allocate memory for loopfilter row synchronization.
     43 void vp9_loop_filter_alloc(VP9LfSync *lf_sync, struct VP9Common *cm, int rows,
     44                            int width, int num_workers);
     45 
     46 // Deallocate loopfilter synchronization related mutex and data.
     47 void vp9_loop_filter_dealloc(VP9LfSync *lf_sync);
     48 
     49 // Multi-threaded loopfilter that uses the tile threads.
     50 void vp9_loop_filter_frame_mt(YV12_BUFFER_CONFIG *frame, struct VP9Common *cm,
     51                               struct macroblockd_plane planes[MAX_MB_PLANE],
     52                               int frame_filter_level, int y_only,
     53                               int partial_frame, VPxWorker *workers,
     54                               int num_workers, VP9LfSync *lf_sync);
     55 
     56 void vp9_accumulate_frame_counts(struct FRAME_COUNTS *accum,
     57                                  const struct FRAME_COUNTS *counts, int is_dec);
     58 
     59 #ifdef __cplusplus
     60 }  // extern "C"
     61 #endif
     62 
     63 #endif  // VP9_COMMON_VP9_THREAD_COMMON_H_
     64