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-rw-r--r--vp9/decoder/vp9_decodeframe.c7
-rw-r--r--vp9/decoder/vp9_decoder.c1
-rw-r--r--vp9/decoder/vp9_decoder.h12
-rw-r--r--vp9/decoder/vp9_dthread.c272
-rw-r--r--vp9/decoder/vp9_dthread.h63
5 files changed, 12 insertions, 343 deletions
diff --git a/vp9/decoder/vp9_decodeframe.c b/vp9/decoder/vp9_decodeframe.c
index d135199c1..ea4edbffe 100644
--- a/vp9/decoder/vp9_decodeframe.c
+++ b/vp9/decoder/vp9_decodeframe.c
@@ -36,7 +36,6 @@
#include "vp9/decoder/vp9_decodemv.h"
#include "vp9/decoder/vp9_decoder.h"
#include "vp9/decoder/vp9_dsubexp.h"
-#include "vp9/decoder/vp9_dthread.h"
#include "vp9/decoder/vp9_read_bit_buffer.h"
#include "vp9/decoder/vp9_reader.h"
@@ -1591,9 +1590,9 @@ void vp9_decode_frame(VP9Decoder *pbi,
if (!xd->corrupted) {
// If multiple threads are used to decode tiles, then we use those threads
// to do parallel loopfiltering.
- vp9_loop_filter_frame_mt(&pbi->lf_row_sync, new_fb, pbi->mb.plane, cm,
- pbi->tile_workers, pbi->num_tile_workers,
- cm->lf.filter_level, 0);
+ vp9_loop_filter_frame_mt(new_fb, cm, pbi->mb.plane, cm->lf.filter_level,
+ 0, 0, pbi->tile_workers, pbi->num_tile_workers,
+ &pbi->lf_row_sync);
} else {
vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
"Decode failed. Frame data is corrupted.");
diff --git a/vp9/decoder/vp9_decoder.c b/vp9/decoder/vp9_decoder.c
index 1d254d2db..7bef265b8 100644
--- a/vp9/decoder/vp9_decoder.c
+++ b/vp9/decoder/vp9_decoder.c
@@ -32,7 +32,6 @@
#include "vp9/decoder/vp9_decodeframe.h"
#include "vp9/decoder/vp9_decoder.h"
#include "vp9/decoder/vp9_detokenize.h"
-#include "vp9/decoder/vp9_dthread.h"
static void initialize_dec(void) {
static volatile int init_done = 0;
diff --git a/vp9/decoder/vp9_decoder.h b/vp9/decoder/vp9_decoder.h
index 25b7339ed..1415019a1 100644
--- a/vp9/decoder/vp9_decoder.h
+++ b/vp9/decoder/vp9_decoder.h
@@ -15,12 +15,11 @@
#include "vpx/vpx_codec.h"
#include "vpx_scale/yv12config.h"
-
+#include "vp9/common/vp9_loopfilter_thread.h"
#include "vp9/common/vp9_onyxc_int.h"
#include "vp9/common/vp9_ppflags.h"
#include "vp9/common/vp9_thread.h"
-
-#include "vp9/decoder/vp9_dthread.h"
+#include "vp9/decoder/vp9_reader.h"
#ifdef __cplusplus
extern "C" {
@@ -33,6 +32,13 @@ typedef struct TileData {
DECLARE_ALIGNED(16, MACROBLOCKD, xd);
} TileData;
+typedef struct TileWorkerData {
+ VP9_COMMON *cm;
+ vp9_reader bit_reader;
+ DECLARE_ALIGNED(16, MACROBLOCKD, xd);
+ struct vpx_internal_error_info error_info;
+} TileWorkerData;
+
typedef struct VP9Decoder {
DECLARE_ALIGNED(16, MACROBLOCKD, mb);
diff --git a/vp9/decoder/vp9_dthread.c b/vp9/decoder/vp9_dthread.c
deleted file mode 100644
index 3d2d0dd2e..000000000
--- a/vp9/decoder/vp9_dthread.c
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * 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_reconinter.h"
-
-#include "vp9/decoder/vp9_dthread.h"
-#include "vp9/decoder/vp9_decoder.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 void loop_filter_rows_mt(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;
- int r, c; // SB row and col
- const int sb_cols = mi_cols_aligned_to_sb(cm->mi_cols) >> MI_BLOCK_SIZE_LOG2;
-
- for (r = start; r < stop; r += lf_sync->num_workers) {
- const int mi_row = r << MI_BLOCK_SIZE_LOG2;
- MODE_INFO *const mi = cm->mi + mi_row * cm->mi_stride;
-
- for (c = 0; c < sb_cols; ++c) {
- const int mi_col = c << 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);
- vp9_setup_mask(cm, mi_row, mi_col, mi + mi_col, cm->mi_stride, &lfm);
-
- for (plane = 0; plane < num_planes; ++plane) {
- vp9_filter_block_plane(cm, &planes[plane], mi_row, &lfm);
- }
-
- 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) {
- loop_filter_rows_mt(lf_data->frame_buffer, lf_data->cm, lf_data->planes,
- lf_data->start, lf_data->stop, lf_data->y_only, lf_sync);
- return 1;
-}
-
-// VP9 decoder: Implement 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],
- VP9_COMMON *cm,
- VP9Worker *workers, int nworkers,
- int frame_filter_level,
- int y_only) {
- 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;
- const int tile_cols = 1 << cm->log2_tile_cols;
- const int num_workers = MIN(nworkers, tile_cols);
- int i;
-
- if (!frame_filter_level) return;
-
- 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);
- }
-
- vp9_loop_filter_frame_init(cm, frame_filter_level);
-
- // 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 = i;
- lf_data->stop = sb_rows;
- 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]);
- }
-}
-
-// Set up nsync by width.
-static 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);
- }
-}
diff --git a/vp9/decoder/vp9_dthread.h b/vp9/decoder/vp9_dthread.h
deleted file mode 100644
index 664aaa32a..000000000
--- a/vp9/decoder/vp9_dthread.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * 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_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_
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