libvpx: Pull from upstream

source/libvpx/vp9/decoder/vp9_dthread.h

-/*
- *  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 VP9_DECODER_VP9_DTHREAD_H_
-#define VP9_DECODER_VP9_DTHREAD_H_
-
-#include "./vpx_config.h"
-#include "vp9/common/vp9_thread.h"
-#include "vp9/decoder/vp9_reader.h"
-#include "vpx/internal/vpx_codec_internal.h"
-
-struct VP9Common;
-struct VP9Decoder;
-
-typedef struct TileWorkerData {
-  struct VP9Common *cm;
-  vp9_reader bit_reader;
-  DECLARE_ALIGNED(16, struct macroblockd, xd);
-  struct vpx_internal_error_info error_info;
-} TileWorkerData;
-
-// Loopfilter row synchronization
-typedef struct VP9LfSyncData {
-#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;
-} VP9LfSync;
-
-// Allocate memory for loopfilter row synchronization.
-void vp9_loop_filter_alloc(VP9LfSync *lf_sync, VP9_COMMON *cm, int rows,
-                           int width, int num_workers);
-
-// Deallocate loopfilter synchronization related mutex and data.
-void vp9_loop_filter_dealloc(VP9LfSync *lf_sync);
-
-// Multi-threaded loopfilter that uses the tile threads.
-void vp9_loop_filter_frame_mt(VP9LfSync *lf_sync,
-                              YV12_BUFFER_CONFIG *frame,
-                              struct macroblockd_plane planes[MAX_MB_PLANE],
-                              struct VP9Common *cm,
-                              VP9Worker *workers, int num_workers,
-                              int frame_filter_level,
-                              int y_only);
-
-#endif  // VP9_DECODER_VP9_DTHREAD_H_