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Diffstat (limited to 'vp10/common/thread_common.c')
-rw-r--r-- | vp10/common/thread_common.c | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/vp10/common/thread_common.c b/vp10/common/thread_common.c deleted file mode 100644 index e83cb8e67..000000000 --- a/vp10/common/thread_common.c +++ /dev/null @@ -1,448 +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_dsp/vpx_dsp_common.h" -#include "vpx_mem/vpx_mem.h" -#include "vp10/common/entropymode.h" -#include "vp10/common/thread_common.h" -#include "vp10/common/reconinter.h" -#include "vp10/common/loopfilter.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, - VP10_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 sb_cols = mi_cols_aligned_to_sb(cm->mi_cols) >> MI_BLOCK_SIZE_LOG2; - int mi_row, mi_col; - enum lf_path path; - if (y_only) - path = LF_PATH_444; - else if (planes[1].subsampling_y == 1 && planes[1].subsampling_x == 1) - path = LF_PATH_420; - else if (planes[1].subsampling_y == 0 && planes[1].subsampling_x == 0) - path = LF_PATH_444; - else - path = LF_PATH_SLOW; - - for (mi_row = start; mi_row < stop; - mi_row += lf_sync->num_workers * MI_BLOCK_SIZE) { - MODE_INFO **const mi = cm->mi_grid_visible + 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); - - vp10_setup_dst_planes(planes, frame_buffer, mi_row, mi_col); - - // TODO(JBB): Make setup_mask work for non 420. - vp10_setup_mask(cm, mi_row, mi_col, mi + mi_col, cm->mi_stride, - &lfm); - - vp10_filter_block_plane_ss00(cm, &planes[0], mi_row, &lfm); - for (plane = 1; plane < num_planes; ++plane) { - switch (path) { - case LF_PATH_420: - vp10_filter_block_plane_ss11(cm, &planes[plane], mi_row, &lfm); - break; - case LF_PATH_444: - vp10_filter_block_plane_ss00(cm, &planes[plane], mi_row, &lfm); - break; - case LF_PATH_SLOW: - vp10_filter_block_plane_non420(cm, &planes[plane], mi + mi_col, - mi_row, mi_col); - break; - } - } - - 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, - VP10_COMMON *cm, - struct macroblockd_plane planes[MAX_MB_PLANE], - int start, int stop, int y_only, - VPxWorker *workers, int nworkers, - VP9LfSync *lf_sync) { - const VPxWorkerInterface *const winterface = vpx_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 = VPXMIN(nworkers, tile_cols); - int i; - - if (!lf_sync->sync_range || sb_rows != lf_sync->rows || - num_workers > lf_sync->num_workers) { - vp10_loop_filter_dealloc(lf_sync); - vp10_loop_filter_alloc(lf_sync, cm, sb_rows, cm->width, num_workers); - } - - // Initialize cur_sb_col to -1 for all SB rows. - 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) { - VPxWorker *const worker = &workers[i]; - LFWorkerData *const lf_data = &lf_sync->lfdata[i]; - - worker->hook = (VPxWorkerHook)loop_filter_row_worker; - worker->data1 = lf_sync; - worker->data2 = lf_data; - - // Loopfilter data - vp10_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 vp10_loop_filter_frame_mt(YV12_BUFFER_CONFIG *frame, - VP10_COMMON *cm, - struct macroblockd_plane planes[MAX_MB_PLANE], - int frame_filter_level, - int y_only, int partial_frame, - VPxWorker *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 = VPXMAX(cm->mi_rows / 8, 8); - } - end_mi_row = start_mi_row + mi_rows_to_filter; - vp10_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 vp10_loop_filter_alloc(VP9LfSync *lf_sync, VP10_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 vp10_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. - vp10_zero(*lf_sync); - } -} - -// Accumulate frame counts. -void vp10_accumulate_frame_counts(VP10_COMMON *cm, FRAME_COUNTS *counts, - int is_dec) { - int i, j, k, l, m; - - for (i = 0; i < BLOCK_SIZE_GROUPS; i++) - for (j = 0; j < INTRA_MODES; j++) - cm->counts.y_mode[i][j] += counts->y_mode[i][j]; - - for (i = 0; i < INTRA_MODES; i++) - for (j = 0; j < INTRA_MODES; j++) - cm->counts.uv_mode[i][j] += counts->uv_mode[i][j]; - - for (i = 0; i < PARTITION_CONTEXTS; i++) - for (j = 0; j < PARTITION_TYPES; j++) - cm->counts.partition[i][j] += counts->partition[i][j]; - - if (is_dec) { - int n; - for (i = 0; i < TX_SIZES; i++) - for (j = 0; j < PLANE_TYPES; j++) - for (k = 0; k < REF_TYPES; k++) - for (l = 0; l < COEF_BANDS; l++) - for (m = 0; m < COEFF_CONTEXTS; m++) { - cm->counts.eob_branch[i][j][k][l][m] += - counts->eob_branch[i][j][k][l][m]; - for (n = 0; n < UNCONSTRAINED_NODES + 1; n++) - cm->counts.coef[i][j][k][l][m][n] += - counts->coef[i][j][k][l][m][n]; - } - } else { - for (i = 0; i < TX_SIZES; i++) - for (j = 0; j < PLANE_TYPES; j++) - for (k = 0; k < REF_TYPES; k++) - for (l = 0; l < COEF_BANDS; l++) - for (m = 0; m < COEFF_CONTEXTS; m++) - cm->counts.eob_branch[i][j][k][l][m] += - counts->eob_branch[i][j][k][l][m]; - // In the encoder, cm->counts.coef is only updated at frame - // level, so not need to accumulate it here. - // for (n = 0; n < UNCONSTRAINED_NODES + 1; n++) - // cm->counts.coef[i][j][k][l][m][n] += - // counts->coef[i][j][k][l][m][n]; - } - - for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) - for (j = 0; j < SWITCHABLE_FILTERS; j++) - cm->counts.switchable_interp[i][j] += counts->switchable_interp[i][j]; - - for (i = 0; i < INTER_MODE_CONTEXTS; i++) - for (j = 0; j < INTER_MODES; j++) - cm->counts.inter_mode[i][j] += counts->inter_mode[i][j]; - - for (i = 0; i < INTRA_INTER_CONTEXTS; i++) - for (j = 0; j < 2; j++) - cm->counts.intra_inter[i][j] += counts->intra_inter[i][j]; - - for (i = 0; i < COMP_INTER_CONTEXTS; i++) - for (j = 0; j < 2; j++) - cm->counts.comp_inter[i][j] += counts->comp_inter[i][j]; - - for (i = 0; i < REF_CONTEXTS; i++) - for (j = 0; j < 2; j++) - for (k = 0; k < 2; k++) - cm->counts.single_ref[i][j][k] += counts->single_ref[i][j][k]; - - for (i = 0; i < REF_CONTEXTS; i++) - for (j = 0; j < 2; j++) - cm->counts.comp_ref[i][j] += counts->comp_ref[i][j]; - - for (i = 0; i < TX_SIZE_CONTEXTS; i++) { - for (j = 0; j < TX_SIZES; j++) - cm->counts.tx.p32x32[i][j] += counts->tx.p32x32[i][j]; - - for (j = 0; j < TX_SIZES - 1; j++) - cm->counts.tx.p16x16[i][j] += counts->tx.p16x16[i][j]; - - for (j = 0; j < TX_SIZES - 2; j++) - cm->counts.tx.p8x8[i][j] += counts->tx.p8x8[i][j]; - } - - for (i = 0; i < TX_SIZES; i++) - cm->counts.tx.tx_totals[i] += counts->tx.tx_totals[i]; - - for (i = 0; i < SKIP_CONTEXTS; i++) - for (j = 0; j < 2; j++) - cm->counts.skip[i][j] += counts->skip[i][j]; - - for (i = 0; i < MV_JOINTS; i++) - cm->counts.mv.joints[i] += counts->mv.joints[i]; - - for (k = 0; k < 2; k++) { - nmv_component_counts *comps = &cm->counts.mv.comps[k]; - nmv_component_counts *comps_t = &counts->mv.comps[k]; - - for (i = 0; i < 2; i++) { - comps->sign[i] += comps_t->sign[i]; - comps->class0_hp[i] += comps_t->class0_hp[i]; - comps->hp[i] += comps_t->hp[i]; - } - - for (i = 0; i < MV_CLASSES; i++) - comps->classes[i] += comps_t->classes[i]; - - for (i = 0; i < CLASS0_SIZE; i++) { - comps->class0[i] += comps_t->class0[i]; - for (j = 0; j < MV_FP_SIZE; j++) - comps->class0_fp[i][j] += comps_t->class0_fp[i][j]; - } - - for (i = 0; i < MV_OFFSET_BITS; i++) - for (j = 0; j < 2; j++) - comps->bits[i][j] += comps_t->bits[i][j]; - - for (i = 0; i < MV_FP_SIZE; i++) - comps->fp[i] += comps_t->fp[i]; - } - -#if CONFIG_MISC_FIXES - for (i = 0; i < PREDICTION_PROBS; i++) - for (j = 0; j < 2; j++) - cm->counts.seg.pred[i][j] += counts->seg.pred[i][j]; - - for (i = 0; i < MAX_SEGMENTS; i++) { - cm->counts.seg.tree_total[i] += counts->seg.tree_total[i]; - cm->counts.seg.tree_mispred[i] += counts->seg.tree_mispred[i]; - } -#endif -} |