ref: d3a37731c2bd97b604f56ecb6b8fd47f1e078c44
parent: 4409a4bcfb6ac12dcbfa3a20eab9115380bbcadd
parent: 41063137c3aafc024cb9b958c78d33007aad8be5
author: Yunqing Wang <yunqingwang@google.com>
date: Tue Feb 10 04:06:23 EST 2015
Merge "Rename loopfilter_thread files to thread_common files"
--- a/vp9/common/vp9_loopfilter_thread.c
+++ /dev/null
@@ -1,301 +1,0 @@
-/*
- * 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.
- */
-
-#include "./vpx_config.h"
-#include "vpx_mem/vpx_mem.h"
-#include "vp9/common/vp9_loopfilter_thread.h"
-#include "vp9/common/vp9_reconinter.h"
-
-#if CONFIG_MULTITHREAD
-static INLINE void mutex_lock(pthread_mutex_t *const mutex) {- const int kMaxTryLocks = 4000;
- int locked = 0;
- int i;
-
- for (i = 0; i < kMaxTryLocks; ++i) {- if (!pthread_mutex_trylock(mutex)) {- locked = 1;
- break;
- }
- }
-
- if (!locked)
- pthread_mutex_lock(mutex);
-}
-#endif // CONFIG_MULTITHREAD
-
-static INLINE void sync_read(VP9LfSync *const lf_sync, int r, int c) {-#if CONFIG_MULTITHREAD
- const int nsync = lf_sync->sync_range;
-
- if (r && !(c & (nsync - 1))) {- pthread_mutex_t *const mutex = &lf_sync->mutex_[r - 1];
- mutex_lock(mutex);
-
- while (c > lf_sync->cur_sb_col[r - 1] - nsync) {- pthread_cond_wait(&lf_sync->cond_[r - 1], mutex);
- }
- pthread_mutex_unlock(mutex);
- }
-#else
- (void)lf_sync;
- (void)r;
- (void)c;
-#endif // CONFIG_MULTITHREAD
-}
-
-static INLINE void sync_write(VP9LfSync *const lf_sync, int r, int c,
- const int sb_cols) {-#if CONFIG_MULTITHREAD
- const int nsync = lf_sync->sync_range;
- int cur;
- // Only signal when there are enough filtered SB for next row to run.
- int sig = 1;
-
- if (c < sb_cols - 1) {- cur = c;
- if (c % nsync)
- sig = 0;
- } else {- cur = sb_cols + nsync;
- }
-
- if (sig) {- mutex_lock(&lf_sync->mutex_[r]);
-
- lf_sync->cur_sb_col[r] = cur;
-
- pthread_cond_signal(&lf_sync->cond_[r]);
- pthread_mutex_unlock(&lf_sync->mutex_[r]);
- }
-#else
- (void)lf_sync;
- (void)r;
- (void)c;
- (void)sb_cols;
-#endif // CONFIG_MULTITHREAD
-}
-
-// Implement row loopfiltering for each thread.
-static INLINE
-void thread_loop_filter_rows(const YV12_BUFFER_CONFIG *const frame_buffer,
- VP9_COMMON *const cm,
- struct macroblockd_plane planes[MAX_MB_PLANE],
- int start, int stop, int y_only,
- VP9LfSync *const lf_sync) {- const int num_planes = y_only ? 1 : MAX_MB_PLANE;
- const int use_420 = y_only || (planes[1].subsampling_y == 1 &&
- planes[1].subsampling_x == 1);
- const int sb_cols = mi_cols_aligned_to_sb(cm->mi_cols) >> MI_BLOCK_SIZE_LOG2;
- int mi_row, mi_col;
-
- for (mi_row = start; mi_row < stop;
- mi_row += lf_sync->num_workers * MI_BLOCK_SIZE) {- MODE_INFO *const mi = cm->mi + mi_row * cm->mi_stride;
-
- for (mi_col = 0; mi_col < cm->mi_cols; mi_col += MI_BLOCK_SIZE) {- const int r = mi_row >> MI_BLOCK_SIZE_LOG2;
- const int c = mi_col >> MI_BLOCK_SIZE_LOG2;
- LOOP_FILTER_MASK lfm;
- int plane;
-
- sync_read(lf_sync, r, c);
-
- vp9_setup_dst_planes(planes, frame_buffer, mi_row, mi_col);
-
- // TODO(JBB): Make setup_mask work for non 420.
- if (use_420)
- vp9_setup_mask(cm, mi_row, mi_col, mi + mi_col, cm->mi_stride,
- &lfm);
-
- for (plane = 0; plane < num_planes; ++plane) {- if (use_420)
- vp9_filter_block_plane(cm, &planes[plane], mi_row, &lfm);
- else
- vp9_filter_block_plane_non420(cm, &planes[plane], mi + mi_col,
- mi_row, mi_col);
- }
-
- sync_write(lf_sync, r, c, sb_cols);
- }
- }
-}
-
-// Row-based multi-threaded loopfilter hook
-static int loop_filter_row_worker(VP9LfSync *const lf_sync,
- LFWorkerData *const lf_data) {- thread_loop_filter_rows(lf_data->frame_buffer, lf_data->cm, lf_data->planes,
- lf_data->start, lf_data->stop, lf_data->y_only,
- lf_sync);
- return 1;
-}
-
-static void loop_filter_rows_mt(YV12_BUFFER_CONFIG *frame,
- VP9_COMMON *cm,
- struct macroblockd_plane planes[MAX_MB_PLANE],
- int start, int stop, int y_only,
- VP9Worker *workers, int nworkers,
- VP9LfSync *lf_sync) {- const VP9WorkerInterface *const winterface = vp9_get_worker_interface();
- // Number of superblock rows and cols
- const int sb_rows = mi_cols_aligned_to_sb(cm->mi_rows) >> MI_BLOCK_SIZE_LOG2;
- // Decoder may allocate more threads than number of tiles based on user's
- // input.
- const int tile_cols = 1 << cm->log2_tile_cols;
- const int num_workers = MIN(nworkers, tile_cols);
- int i;
-
- if (!lf_sync->sync_range || cm->last_height != cm->height ||
- num_workers > lf_sync->num_workers) {- vp9_loop_filter_dealloc(lf_sync);
- vp9_loop_filter_alloc(lf_sync, cm, sb_rows, cm->width, num_workers);
- }
-
- // Initialize cur_sb_col to -1 for all SB rows.
- vpx_memset(lf_sync->cur_sb_col, -1, sizeof(*lf_sync->cur_sb_col) * sb_rows);
-
- // Set up loopfilter thread data.
- // The decoder is capping num_workers because it has been observed that using
- // more threads on the loopfilter than there are cores will hurt performance
- // on Android. This is because the system will only schedule the tile decode
- // workers on cores equal to the number of tile columns. Then if the decoder
- // tries to use more threads for the loopfilter, it will hurt performance
- // because of contention. If the multithreading code changes in the future
- // then the number of workers used by the loopfilter should be revisited.
- for (i = 0; i < num_workers; ++i) {- VP9Worker *const worker = &workers[i];
- LFWorkerData *const lf_data = &lf_sync->lfdata[i];
-
- worker->hook = (VP9WorkerHook)loop_filter_row_worker;
- worker->data1 = lf_sync;
- worker->data2 = lf_data;
-
- // Loopfilter data
- vp9_loop_filter_data_reset(lf_data, frame, cm, planes);
- lf_data->start = start + i * MI_BLOCK_SIZE;
- lf_data->stop = stop;
- lf_data->y_only = y_only;
-
- // Start loopfiltering
- if (i == num_workers - 1) {- winterface->execute(worker);
- } else {- winterface->launch(worker);
- }
- }
-
- // Wait till all rows are finished
- for (i = 0; i < num_workers; ++i) {- winterface->sync(&workers[i]);
- }
-}
-
-void vp9_loop_filter_frame_mt(YV12_BUFFER_CONFIG *frame,
- VP9_COMMON *cm,
- struct macroblockd_plane planes[MAX_MB_PLANE],
- int frame_filter_level,
- int y_only, int partial_frame,
- VP9Worker *workers, int num_workers,
- VP9LfSync *lf_sync) {- int start_mi_row, end_mi_row, mi_rows_to_filter;
-
- if (!frame_filter_level) return;
-
- start_mi_row = 0;
- mi_rows_to_filter = cm->mi_rows;
- if (partial_frame && cm->mi_rows > 8) {- start_mi_row = cm->mi_rows >> 1;
- start_mi_row &= 0xfffffff8;
- mi_rows_to_filter = MAX(cm->mi_rows / 8, 8);
- }
- end_mi_row = start_mi_row + mi_rows_to_filter;
- vp9_loop_filter_frame_init(cm, frame_filter_level);
-
- loop_filter_rows_mt(frame, cm, planes, start_mi_row, end_mi_row,
- y_only, workers, num_workers, lf_sync);
-}
-
-// Set up nsync by width.
-static INLINE int get_sync_range(int width) {- // nsync numbers are picked by testing. For example, for 4k
- // video, using 4 gives best performance.
- if (width < 640)
- return 1;
- else if (width <= 1280)
- return 2;
- else if (width <= 4096)
- return 4;
- else
- return 8;
-}
-
-// Allocate memory for lf row synchronization
-void vp9_loop_filter_alloc(VP9LfSync *lf_sync, VP9_COMMON *cm, int rows,
- int width, int num_workers) {- lf_sync->rows = rows;
-#if CONFIG_MULTITHREAD
- {- int i;
-
- CHECK_MEM_ERROR(cm, lf_sync->mutex_,
- vpx_malloc(sizeof(*lf_sync->mutex_) * rows));
- if (lf_sync->mutex_) {- for (i = 0; i < rows; ++i) {- pthread_mutex_init(&lf_sync->mutex_[i], NULL);
- }
- }
-
- CHECK_MEM_ERROR(cm, lf_sync->cond_,
- vpx_malloc(sizeof(*lf_sync->cond_) * rows));
- if (lf_sync->cond_) {- for (i = 0; i < rows; ++i) {- pthread_cond_init(&lf_sync->cond_[i], NULL);
- }
- }
- }
-#endif // CONFIG_MULTITHREAD
-
- CHECK_MEM_ERROR(cm, lf_sync->lfdata,
- vpx_malloc(num_workers * sizeof(*lf_sync->lfdata)));
- lf_sync->num_workers = num_workers;
-
- CHECK_MEM_ERROR(cm, lf_sync->cur_sb_col,
- vpx_malloc(sizeof(*lf_sync->cur_sb_col) * rows));
-
- // Set up nsync.
- lf_sync->sync_range = get_sync_range(width);
-}
-
-// Deallocate lf synchronization related mutex and data
-void vp9_loop_filter_dealloc(VP9LfSync *lf_sync) {- if (lf_sync != NULL) {-#if CONFIG_MULTITHREAD
- int i;
-
- if (lf_sync->mutex_ != NULL) {- for (i = 0; i < lf_sync->rows; ++i) {- pthread_mutex_destroy(&lf_sync->mutex_[i]);
- }
- vpx_free(lf_sync->mutex_);
- }
- if (lf_sync->cond_ != NULL) {- for (i = 0; i < lf_sync->rows; ++i) {- pthread_cond_destroy(&lf_sync->cond_[i]);
- }
- vpx_free(lf_sync->cond_);
- }
-#endif // CONFIG_MULTITHREAD
- vpx_free(lf_sync->lfdata);
- vpx_free(lf_sync->cur_sb_col);
- // clear the structure as the source of this call may be a resize in which
- // case this call will be followed by an _alloc() which may fail.
- vp9_zero(*lf_sync);
- }
-}
--- a/vp9/common/vp9_loopfilter_thread.h
+++ /dev/null
@@ -1,53 +1,0 @@
-/*
- * 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_COMMON_VP9_LOOPFILTER_THREAD_H_
-#define VP9_COMMON_VP9_LOOPFILTER_THREAD_H_
-#include "./vpx_config.h"
-#include "vp9/common/vp9_loopfilter.h"
-#include "vp9/common/vp9_thread.h"
-
-struct VP9Common;
-
-// 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, struct VP9Common *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(YV12_BUFFER_CONFIG *frame,
- struct VP9Common *cm,
- struct macroblockd_plane planes[MAX_MB_PLANE],
- int frame_filter_level,
- int y_only, int partial_frame,
- VP9Worker *workers, int num_workers,
- VP9LfSync *lf_sync);
-
-#endif // VP9_COMMON_VP9_LOOPFILTER_THREAD_H_
--- /dev/null
+++ b/vp9/common/vp9_thread_common.c
@@ -1,0 +1,301 @@
+/*
+ * 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.
+ */
+
+#include "./vpx_config.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vp9/common/vp9_thread_common.h"
+#include "vp9/common/vp9_reconinter.h"
+
+#if CONFIG_MULTITHREAD
+static INLINE void mutex_lock(pthread_mutex_t *const mutex) {+ const int kMaxTryLocks = 4000;
+ int locked = 0;
+ int i;
+
+ for (i = 0; i < kMaxTryLocks; ++i) {+ if (!pthread_mutex_trylock(mutex)) {+ locked = 1;
+ break;
+ }
+ }
+
+ if (!locked)
+ pthread_mutex_lock(mutex);
+}
+#endif // CONFIG_MULTITHREAD
+
+static INLINE void sync_read(VP9LfSync *const lf_sync, int r, int c) {+#if CONFIG_MULTITHREAD
+ const int nsync = lf_sync->sync_range;
+
+ if (r && !(c & (nsync - 1))) {+ pthread_mutex_t *const mutex = &lf_sync->mutex_[r - 1];
+ mutex_lock(mutex);
+
+ while (c > lf_sync->cur_sb_col[r - 1] - nsync) {+ pthread_cond_wait(&lf_sync->cond_[r - 1], mutex);
+ }
+ pthread_mutex_unlock(mutex);
+ }
+#else
+ (void)lf_sync;
+ (void)r;
+ (void)c;
+#endif // CONFIG_MULTITHREAD
+}
+
+static INLINE void sync_write(VP9LfSync *const lf_sync, int r, int c,
+ const int sb_cols) {+#if CONFIG_MULTITHREAD
+ const int nsync = lf_sync->sync_range;
+ int cur;
+ // Only signal when there are enough filtered SB for next row to run.
+ int sig = 1;
+
+ if (c < sb_cols - 1) {+ cur = c;
+ if (c % nsync)
+ sig = 0;
+ } else {+ cur = sb_cols + nsync;
+ }
+
+ if (sig) {+ mutex_lock(&lf_sync->mutex_[r]);
+
+ lf_sync->cur_sb_col[r] = cur;
+
+ pthread_cond_signal(&lf_sync->cond_[r]);
+ pthread_mutex_unlock(&lf_sync->mutex_[r]);
+ }
+#else
+ (void)lf_sync;
+ (void)r;
+ (void)c;
+ (void)sb_cols;
+#endif // CONFIG_MULTITHREAD
+}
+
+// Implement row loopfiltering for each thread.
+static INLINE
+void thread_loop_filter_rows(const YV12_BUFFER_CONFIG *const frame_buffer,
+ VP9_COMMON *const cm,
+ struct macroblockd_plane planes[MAX_MB_PLANE],
+ int start, int stop, int y_only,
+ VP9LfSync *const lf_sync) {+ const int num_planes = y_only ? 1 : MAX_MB_PLANE;
+ const int use_420 = y_only || (planes[1].subsampling_y == 1 &&
+ planes[1].subsampling_x == 1);
+ const int sb_cols = mi_cols_aligned_to_sb(cm->mi_cols) >> MI_BLOCK_SIZE_LOG2;
+ int mi_row, mi_col;
+
+ for (mi_row = start; mi_row < stop;
+ mi_row += lf_sync->num_workers * MI_BLOCK_SIZE) {+ MODE_INFO *const mi = cm->mi + mi_row * cm->mi_stride;
+
+ for (mi_col = 0; mi_col < cm->mi_cols; mi_col += MI_BLOCK_SIZE) {+ const int r = mi_row >> MI_BLOCK_SIZE_LOG2;
+ const int c = mi_col >> MI_BLOCK_SIZE_LOG2;
+ LOOP_FILTER_MASK lfm;
+ int plane;
+
+ sync_read(lf_sync, r, c);
+
+ vp9_setup_dst_planes(planes, frame_buffer, mi_row, mi_col);
+
+ // TODO(JBB): Make setup_mask work for non 420.
+ if (use_420)
+ vp9_setup_mask(cm, mi_row, mi_col, mi + mi_col, cm->mi_stride,
+ &lfm);
+
+ for (plane = 0; plane < num_planes; ++plane) {+ if (use_420)
+ vp9_filter_block_plane(cm, &planes[plane], mi_row, &lfm);
+ else
+ vp9_filter_block_plane_non420(cm, &planes[plane], mi + mi_col,
+ mi_row, mi_col);
+ }
+
+ sync_write(lf_sync, r, c, sb_cols);
+ }
+ }
+}
+
+// Row-based multi-threaded loopfilter hook
+static int loop_filter_row_worker(VP9LfSync *const lf_sync,
+ LFWorkerData *const lf_data) {+ thread_loop_filter_rows(lf_data->frame_buffer, lf_data->cm, lf_data->planes,
+ lf_data->start, lf_data->stop, lf_data->y_only,
+ lf_sync);
+ return 1;
+}
+
+static void loop_filter_rows_mt(YV12_BUFFER_CONFIG *frame,
+ VP9_COMMON *cm,
+ struct macroblockd_plane planes[MAX_MB_PLANE],
+ int start, int stop, int y_only,
+ VP9Worker *workers, int nworkers,
+ VP9LfSync *lf_sync) {+ const VP9WorkerInterface *const winterface = vp9_get_worker_interface();
+ // Number of superblock rows and cols
+ const int sb_rows = mi_cols_aligned_to_sb(cm->mi_rows) >> MI_BLOCK_SIZE_LOG2;
+ // Decoder may allocate more threads than number of tiles based on user's
+ // input.
+ const int tile_cols = 1 << cm->log2_tile_cols;
+ const int num_workers = MIN(nworkers, tile_cols);
+ int i;
+
+ if (!lf_sync->sync_range || cm->last_height != cm->height ||
+ num_workers > lf_sync->num_workers) {+ vp9_loop_filter_dealloc(lf_sync);
+ vp9_loop_filter_alloc(lf_sync, cm, sb_rows, cm->width, num_workers);
+ }
+
+ // Initialize cur_sb_col to -1 for all SB rows.
+ vpx_memset(lf_sync->cur_sb_col, -1, sizeof(*lf_sync->cur_sb_col) * sb_rows);
+
+ // Set up loopfilter thread data.
+ // The decoder is capping num_workers because it has been observed that using
+ // more threads on the loopfilter than there are cores will hurt performance
+ // on Android. This is because the system will only schedule the tile decode
+ // workers on cores equal to the number of tile columns. Then if the decoder
+ // tries to use more threads for the loopfilter, it will hurt performance
+ // because of contention. If the multithreading code changes in the future
+ // then the number of workers used by the loopfilter should be revisited.
+ for (i = 0; i < num_workers; ++i) {+ VP9Worker *const worker = &workers[i];
+ LFWorkerData *const lf_data = &lf_sync->lfdata[i];
+
+ worker->hook = (VP9WorkerHook)loop_filter_row_worker;
+ worker->data1 = lf_sync;
+ worker->data2 = lf_data;
+
+ // Loopfilter data
+ vp9_loop_filter_data_reset(lf_data, frame, cm, planes);
+ lf_data->start = start + i * MI_BLOCK_SIZE;
+ lf_data->stop = stop;
+ lf_data->y_only = y_only;
+
+ // Start loopfiltering
+ if (i == num_workers - 1) {+ winterface->execute(worker);
+ } else {+ winterface->launch(worker);
+ }
+ }
+
+ // Wait till all rows are finished
+ for (i = 0; i < num_workers; ++i) {+ winterface->sync(&workers[i]);
+ }
+}
+
+void vp9_loop_filter_frame_mt(YV12_BUFFER_CONFIG *frame,
+ VP9_COMMON *cm,
+ struct macroblockd_plane planes[MAX_MB_PLANE],
+ int frame_filter_level,
+ int y_only, int partial_frame,
+ VP9Worker *workers, int num_workers,
+ VP9LfSync *lf_sync) {+ int start_mi_row, end_mi_row, mi_rows_to_filter;
+
+ if (!frame_filter_level) return;
+
+ start_mi_row = 0;
+ mi_rows_to_filter = cm->mi_rows;
+ if (partial_frame && cm->mi_rows > 8) {+ start_mi_row = cm->mi_rows >> 1;
+ start_mi_row &= 0xfffffff8;
+ mi_rows_to_filter = MAX(cm->mi_rows / 8, 8);
+ }
+ end_mi_row = start_mi_row + mi_rows_to_filter;
+ vp9_loop_filter_frame_init(cm, frame_filter_level);
+
+ loop_filter_rows_mt(frame, cm, planes, start_mi_row, end_mi_row,
+ y_only, workers, num_workers, lf_sync);
+}
+
+// Set up nsync by width.
+static INLINE int get_sync_range(int width) {+ // nsync numbers are picked by testing. For example, for 4k
+ // video, using 4 gives best performance.
+ if (width < 640)
+ return 1;
+ else if (width <= 1280)
+ return 2;
+ else if (width <= 4096)
+ return 4;
+ else
+ return 8;
+}
+
+// Allocate memory for lf row synchronization
+void vp9_loop_filter_alloc(VP9LfSync *lf_sync, VP9_COMMON *cm, int rows,
+ int width, int num_workers) {+ lf_sync->rows = rows;
+#if CONFIG_MULTITHREAD
+ {+ int i;
+
+ CHECK_MEM_ERROR(cm, lf_sync->mutex_,
+ vpx_malloc(sizeof(*lf_sync->mutex_) * rows));
+ if (lf_sync->mutex_) {+ for (i = 0; i < rows; ++i) {+ pthread_mutex_init(&lf_sync->mutex_[i], NULL);
+ }
+ }
+
+ CHECK_MEM_ERROR(cm, lf_sync->cond_,
+ vpx_malloc(sizeof(*lf_sync->cond_) * rows));
+ if (lf_sync->cond_) {+ for (i = 0; i < rows; ++i) {+ pthread_cond_init(&lf_sync->cond_[i], NULL);
+ }
+ }
+ }
+#endif // CONFIG_MULTITHREAD
+
+ CHECK_MEM_ERROR(cm, lf_sync->lfdata,
+ vpx_malloc(num_workers * sizeof(*lf_sync->lfdata)));
+ lf_sync->num_workers = num_workers;
+
+ CHECK_MEM_ERROR(cm, lf_sync->cur_sb_col,
+ vpx_malloc(sizeof(*lf_sync->cur_sb_col) * rows));
+
+ // Set up nsync.
+ lf_sync->sync_range = get_sync_range(width);
+}
+
+// Deallocate lf synchronization related mutex and data
+void vp9_loop_filter_dealloc(VP9LfSync *lf_sync) {+ if (lf_sync != NULL) {+#if CONFIG_MULTITHREAD
+ int i;
+
+ if (lf_sync->mutex_ != NULL) {+ for (i = 0; i < lf_sync->rows; ++i) {+ pthread_mutex_destroy(&lf_sync->mutex_[i]);
+ }
+ vpx_free(lf_sync->mutex_);
+ }
+ if (lf_sync->cond_ != NULL) {+ for (i = 0; i < lf_sync->rows; ++i) {+ pthread_cond_destroy(&lf_sync->cond_[i]);
+ }
+ vpx_free(lf_sync->cond_);
+ }
+#endif // CONFIG_MULTITHREAD
+ vpx_free(lf_sync->lfdata);
+ vpx_free(lf_sync->cur_sb_col);
+ // clear the structure as the source of this call may be a resize in which
+ // case this call will be followed by an _alloc() which may fail.
+ vp9_zero(*lf_sync);
+ }
+}
--- /dev/null
+++ b/vp9/common/vp9_thread_common.h
@@ -1,0 +1,53 @@
+/*
+ * 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_COMMON_VP9_LOOPFILTER_THREAD_H_
+#define VP9_COMMON_VP9_LOOPFILTER_THREAD_H_
+#include "./vpx_config.h"
+#include "vp9/common/vp9_loopfilter.h"
+#include "vp9/common/vp9_thread.h"
+
+struct VP9Common;
+
+// 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, struct VP9Common *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(YV12_BUFFER_CONFIG *frame,
+ struct VP9Common *cm,
+ struct macroblockd_plane planes[MAX_MB_PLANE],
+ int frame_filter_level,
+ int y_only, int partial_frame,
+ VP9Worker *workers, int num_workers,
+ VP9LfSync *lf_sync);
+
+#endif // VP9_COMMON_VP9_LOOPFILTER_THREAD_H_
--- a/vp9/decoder/vp9_decodeframe.c
+++ b/vp9/decoder/vp9_decodeframe.c
@@ -23,7 +23,7 @@
#include "vp9/common/vp9_entropy.h"
#include "vp9/common/vp9_entropymode.h"
#include "vp9/common/vp9_idct.h"
-#include "vp9/common/vp9_loopfilter_thread.h"
+#include "vp9/common/vp9_thread_common.h"
#include "vp9/common/vp9_pred_common.h"
#include "vp9/common/vp9_quant_common.h"
#include "vp9/common/vp9_reconintra.h"
--- a/vp9/decoder/vp9_decoder.h
+++ b/vp9/decoder/vp9_decoder.h
@@ -15,7 +15,7 @@
#include "vpx/vpx_codec.h"
#include "vpx_scale/yv12config.h"
-#include "vp9/common/vp9_loopfilter_thread.h"
+#include "vp9/common/vp9_thread_common.h"
#include "vp9/common/vp9_onyxc_int.h"
#include "vp9/common/vp9_ppflags.h"
#include "vp9/common/vp9_thread.h"
--- a/vp9/encoder/vp9_encoder.h
+++ b/vp9/encoder/vp9_encoder.h
@@ -19,7 +19,7 @@
#include "vp9/common/vp9_ppflags.h"
#include "vp9/common/vp9_entropymode.h"
-#include "vp9/common/vp9_loopfilter_thread.h"
+#include "vp9/common/vp9_thread_common.h"
#include "vp9/common/vp9_onyxc_int.h"
#include "vp9/common/vp9_thread.h"
--- a/vp9/vp9_common.mk
+++ b/vp9/vp9_common.mk
@@ -33,7 +33,7 @@
VP9_COMMON_SRCS-yes += common/vp9_enums.h
VP9_COMMON_SRCS-yes += common/vp9_idct.h
VP9_COMMON_SRCS-yes += common/vp9_loopfilter.h
-VP9_COMMON_SRCS-yes += common/vp9_loopfilter_thread.h
+VP9_COMMON_SRCS-yes += common/vp9_thread_common.h
VP9_COMMON_SRCS-yes += common/vp9_mv.h
VP9_COMMON_SRCS-yes += common/vp9_onyxc_int.h
VP9_COMMON_SRCS-yes += common/vp9_pred_common.h
@@ -57,7 +57,7 @@
VP9_COMMON_SRCS-yes += common/vp9_tile_common.c
VP9_COMMON_SRCS-yes += common/vp9_loopfilter.c
VP9_COMMON_SRCS-yes += common/vp9_loopfilter_filters.c
-VP9_COMMON_SRCS-yes += common/vp9_loopfilter_thread.c
+VP9_COMMON_SRCS-yes += common/vp9_thread_common.c
VP9_COMMON_SRCS-yes += common/vp9_mvref_common.c
VP9_COMMON_SRCS-yes += common/vp9_mvref_common.h
VP9_COMMON_SRCS-yes += common/vp9_quant_common.c
--
⑨