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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 VPX_VP9_COMMON_VP9_THREAD_COMMON_H_
12 #define VPX_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;         // number of allocated workers.
40   int num_active_workers;  // number of scheduled workers.
41 
42 #if CONFIG_MULTITHREAD
43   pthread_mutex_t *lf_mutex;
44   pthread_mutex_t *recon_done_mutex;
45   pthread_cond_t *recon_done_cond;
46 #endif
47   int *num_tiles_done;
48   int corrupted;
49 } VP9LfSync;
50 
51 // Allocate memory for loopfilter row synchronization.
52 void vp9_loop_filter_alloc(VP9LfSync *lf_sync, struct VP9Common *cm, int rows,
53                            int width, int num_workers);
54 
55 // Deallocate loopfilter synchronization related mutex and data.
56 void vp9_loop_filter_dealloc(VP9LfSync *lf_sync);
57 
58 // Multi-threaded loopfilter that uses the tile threads.
59 void vp9_loop_filter_frame_mt(YV12_BUFFER_CONFIG *frame, struct VP9Common *cm,
60                               struct macroblockd_plane planes[MAX_MB_PLANE],
61                               int frame_filter_level, int y_only,
62                               int partial_frame, VPxWorker *workers,
63                               int num_workers, VP9LfSync *lf_sync);
64 
65 // Multi-threaded loopfilter initialisations
66 void vp9_lpf_mt_init(VP9LfSync *lf_sync, struct VP9Common *cm,
67                      int frame_filter_level, int num_workers);
68 
69 void vp9_loopfilter_rows(LFWorkerData *lf_data, VP9LfSync *lf_sync);
70 
71 void vp9_set_row(VP9LfSync *lf_sync, int num_tiles, int row, int is_last_row,
72                  int corrupted);
73 
74 void vp9_loopfilter_job(LFWorkerData *lf_data, VP9LfSync *lf_sync);
75 
76 void vp9_accumulate_frame_counts(struct FRAME_COUNTS *accum,
77                                  const struct FRAME_COUNTS *counts, int is_dec);
78 
79 #ifdef __cplusplus
80 }  // extern "C"
81 #endif
82 
83 #endif  // VPX_VP9_COMMON_VP9_THREAD_COMMON_H_
84