/*
 *  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 AV1_COMMON_LOOPFILTER_THREAD_H_
#define AV1_COMMON_LOOPFILTER_THREAD_H_
#include "./aom_config.h"
#include "av1/common/loopfilter.h"
#include "aom_util/aom_thread.h"

#ifdef __cplusplus
extern "C" {
#endif

struct AV1Common;
struct FRAME_COUNTS;

// Loopfilter row synchronization
typedef struct AV1LfSyncData {
#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;
  int rows;

  // Row-based parallel loopfilter data
  LFWorkerData *lfdata;
  int num_workers;
} AV1LfSync;

// Allocate memory for loopfilter row synchronization.
void av1_loop_filter_alloc(AV1LfSync *lf_sync, struct AV1Common *cm, int rows,
                           int width, int num_workers);

// Deallocate loopfilter synchronization related mutex and data.
void av1_loop_filter_dealloc(AV1LfSync *lf_sync);

// Multi-threaded loopfilter that uses the tile threads.
void av1_loop_filter_frame_mt(YV12_BUFFER_CONFIG *frame, struct AV1Common *cm,
                              struct macroblockd_plane planes[MAX_MB_PLANE],
                              int frame_filter_level, int y_only,
                              int partial_frame, AVxWorker *workers,
                              int num_workers, AV1LfSync *lf_sync);

void av1_accumulate_frame_counts(struct AV1Common *cm,
                                 struct FRAME_COUNTS *counts);

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // AV1_COMMON_LOOPFILTER_THREAD_H_