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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/av1/common/thread_common.c | 1250 |
1 files changed, 1250 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/thread_common.c b/third_party/aom/av1/common/thread_common.c new file mode 100644 index 0000000000..45695147ff --- /dev/null +++ b/third_party/aom/av1/common/thread_common.c @@ -0,0 +1,1250 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include "aom/aom_image.h" +#include "config/aom_config.h" +#include "config/aom_scale_rtcd.h" + +#include "aom_dsp/aom_dsp_common.h" +#include "aom_mem/aom_mem.h" +#include "av1/common/av1_loopfilter.h" +#include "av1/common/entropymode.h" +#include "av1/common/thread_common.h" +#include "av1/common/reconinter.h" +#include "av1/common/reconintra.h" + +// 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; +} + +static INLINE int get_lr_sync_range(int width) { +#if 0 + // 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; +#else + (void)width; + return 1; +#endif +} + +// Allocate memory for lf row synchronization +void av1_loop_filter_alloc(AV1LfSync *lf_sync, AV1_COMMON *cm, int rows, + int width, int num_workers) { + lf_sync->rows = rows; +#if CONFIG_MULTITHREAD + { + int i, j; + + for (j = 0; j < MAX_MB_PLANE; j++) { + CHECK_MEM_ERROR(cm, lf_sync->mutex_[j], + aom_malloc(sizeof(*(lf_sync->mutex_[j])) * rows)); + if (lf_sync->mutex_[j]) { + for (i = 0; i < rows; ++i) { + pthread_mutex_init(&lf_sync->mutex_[j][i], NULL); + } + } + + CHECK_MEM_ERROR(cm, lf_sync->cond_[j], + aom_malloc(sizeof(*(lf_sync->cond_[j])) * rows)); + if (lf_sync->cond_[j]) { + for (i = 0; i < rows; ++i) { + pthread_cond_init(&lf_sync->cond_[j][i], NULL); + } + } + } + + CHECK_MEM_ERROR(cm, lf_sync->job_mutex, + aom_malloc(sizeof(*(lf_sync->job_mutex)))); + if (lf_sync->job_mutex) { + pthread_mutex_init(lf_sync->job_mutex, NULL); + } + } +#endif // CONFIG_MULTITHREAD + CHECK_MEM_ERROR(cm, lf_sync->lfdata, + aom_malloc(num_workers * sizeof(*(lf_sync->lfdata)))); + lf_sync->num_workers = num_workers; + + for (int j = 0; j < MAX_MB_PLANE; j++) { + CHECK_MEM_ERROR(cm, lf_sync->cur_sb_col[j], + aom_malloc(sizeof(*(lf_sync->cur_sb_col[j])) * rows)); + } + CHECK_MEM_ERROR( + cm, lf_sync->job_queue, + aom_malloc(sizeof(*(lf_sync->job_queue)) * rows * MAX_MB_PLANE * 2)); + // Set up nsync. + lf_sync->sync_range = get_sync_range(width); +} + +// Deallocate lf synchronization related mutex and data +void av1_loop_filter_dealloc(AV1LfSync *lf_sync) { + if (lf_sync != NULL) { + int j; +#if CONFIG_MULTITHREAD + int i; + for (j = 0; j < MAX_MB_PLANE; j++) { + if (lf_sync->mutex_[j] != NULL) { + for (i = 0; i < lf_sync->rows; ++i) { + pthread_mutex_destroy(&lf_sync->mutex_[j][i]); + } + aom_free(lf_sync->mutex_[j]); + } + if (lf_sync->cond_[j] != NULL) { + for (i = 0; i < lf_sync->rows; ++i) { + pthread_cond_destroy(&lf_sync->cond_[j][i]); + } + aom_free(lf_sync->cond_[j]); + } + } + if (lf_sync->job_mutex != NULL) { + pthread_mutex_destroy(lf_sync->job_mutex); + aom_free(lf_sync->job_mutex); + } +#endif // CONFIG_MULTITHREAD + aom_free(lf_sync->lfdata); + for (j = 0; j < MAX_MB_PLANE; j++) { + aom_free(lf_sync->cur_sb_col[j]); + } + + aom_free(lf_sync->job_queue); + // 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. + av1_zero(*lf_sync); + } +} + +void av1_alloc_cdef_sync(AV1_COMMON *const cm, AV1CdefSync *cdef_sync, + int num_workers) { + if (num_workers < 1) return; +#if CONFIG_MULTITHREAD + if (cdef_sync->mutex_ == NULL) { + CHECK_MEM_ERROR(cm, cdef_sync->mutex_, + aom_malloc(sizeof(*(cdef_sync->mutex_)))); + if (cdef_sync->mutex_) pthread_mutex_init(cdef_sync->mutex_, NULL); + } +#else + (void)cm; + (void)cdef_sync; +#endif // CONFIG_MULTITHREAD +} + +void av1_free_cdef_sync(AV1CdefSync *cdef_sync) { + if (cdef_sync == NULL) return; +#if CONFIG_MULTITHREAD + if (cdef_sync->mutex_ != NULL) { + pthread_mutex_destroy(cdef_sync->mutex_); + aom_free(cdef_sync->mutex_); + } +#endif // CONFIG_MULTITHREAD +} + +static INLINE void cdef_row_mt_sync_read(AV1CdefSync *const cdef_sync, + int row) { + if (!row) return; +#if CONFIG_MULTITHREAD + AV1CdefRowSync *const cdef_row_mt = cdef_sync->cdef_row_mt; + pthread_mutex_lock(cdef_row_mt[row - 1].row_mutex_); + while (cdef_row_mt[row - 1].is_row_done != 1) + pthread_cond_wait(cdef_row_mt[row - 1].row_cond_, + cdef_row_mt[row - 1].row_mutex_); + cdef_row_mt[row - 1].is_row_done = 0; + pthread_mutex_unlock(cdef_row_mt[row - 1].row_mutex_); +#else + (void)cdef_sync; +#endif // CONFIG_MULTITHREAD +} + +static INLINE void cdef_row_mt_sync_write(AV1CdefSync *const cdef_sync, + int row) { +#if CONFIG_MULTITHREAD + AV1CdefRowSync *const cdef_row_mt = cdef_sync->cdef_row_mt; + pthread_mutex_lock(cdef_row_mt[row].row_mutex_); + pthread_cond_signal(cdef_row_mt[row].row_cond_); + cdef_row_mt[row].is_row_done = 1; + pthread_mutex_unlock(cdef_row_mt[row].row_mutex_); +#else + (void)cdef_sync; + (void)row; +#endif // CONFIG_MULTITHREAD +} + +static INLINE void sync_read(AV1LfSync *const lf_sync, int r, int c, + int plane) { +#if CONFIG_MULTITHREAD + const int nsync = lf_sync->sync_range; + + if (r && !(c & (nsync - 1))) { + pthread_mutex_t *const mutex = &lf_sync->mutex_[plane][r - 1]; + pthread_mutex_lock(mutex); + + while (c > lf_sync->cur_sb_col[plane][r - 1] - nsync) { + pthread_cond_wait(&lf_sync->cond_[plane][r - 1], mutex); + } + pthread_mutex_unlock(mutex); + } +#else + (void)lf_sync; + (void)r; + (void)c; + (void)plane; +#endif // CONFIG_MULTITHREAD +} + +static INLINE void sync_write(AV1LfSync *const lf_sync, int r, int c, + const int sb_cols, int plane) { +#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) { + pthread_mutex_lock(&lf_sync->mutex_[plane][r]); + + // When a thread encounters an error, cur_sb_col[plane][r] is set to maximum + // column number. In this case, the AOMMAX operation here ensures that + // cur_sb_col[plane][r] is not overwritten with a smaller value thus + // preventing the infinite waiting of threads in the relevant sync_read() + // function. + lf_sync->cur_sb_col[plane][r] = AOMMAX(lf_sync->cur_sb_col[plane][r], cur); + + pthread_cond_broadcast(&lf_sync->cond_[plane][r]); + pthread_mutex_unlock(&lf_sync->mutex_[plane][r]); + } +#else + (void)lf_sync; + (void)r; + (void)c; + (void)sb_cols; + (void)plane; +#endif // CONFIG_MULTITHREAD +} + +// One job of row loopfiltering. +void av1_thread_loop_filter_rows( + const YV12_BUFFER_CONFIG *const frame_buffer, AV1_COMMON *const cm, + struct macroblockd_plane *planes, MACROBLOCKD *xd, int mi_row, int plane, + int dir, int lpf_opt_level, AV1LfSync *const lf_sync, + struct aom_internal_error_info *error_info, + AV1_DEBLOCKING_PARAMETERS *params_buf, TX_SIZE *tx_buf, + int num_mis_in_lpf_unit_height_log2) { + // TODO(aomedia:3276): Pass error_info to the low-level functions as required + // in future to handle error propagation. + (void)error_info; + const int sb_cols = + CEIL_POWER_OF_TWO(cm->mi_params.mi_cols, MAX_MIB_SIZE_LOG2); + const int r = mi_row >> num_mis_in_lpf_unit_height_log2; + int mi_col, c; + + const bool joint_filter_chroma = (lpf_opt_level == 2) && plane > AOM_PLANE_Y; + const int num_planes = joint_filter_chroma ? 2 : 1; + assert(IMPLIES(joint_filter_chroma, plane == AOM_PLANE_U)); + + if (dir == 0) { + for (mi_col = 0; mi_col < cm->mi_params.mi_cols; mi_col += MAX_MIB_SIZE) { + c = mi_col >> MAX_MIB_SIZE_LOG2; + + av1_setup_dst_planes(planes, cm->seq_params->sb_size, frame_buffer, + mi_row, mi_col, plane, plane + num_planes); + if (lpf_opt_level) { + if (plane == AOM_PLANE_Y) { + av1_filter_block_plane_vert_opt(cm, xd, &planes[plane], mi_row, + mi_col, params_buf, tx_buf, + num_mis_in_lpf_unit_height_log2); + } else { + av1_filter_block_plane_vert_opt_chroma( + cm, xd, &planes[plane], mi_row, mi_col, params_buf, tx_buf, plane, + joint_filter_chroma, num_mis_in_lpf_unit_height_log2); + } + } else { + av1_filter_block_plane_vert(cm, xd, plane, &planes[plane], mi_row, + mi_col); + } + if (lf_sync != NULL) { + sync_write(lf_sync, r, c, sb_cols, plane); + } + } + } else if (dir == 1) { + for (mi_col = 0; mi_col < cm->mi_params.mi_cols; mi_col += MAX_MIB_SIZE) { + c = mi_col >> MAX_MIB_SIZE_LOG2; + + if (lf_sync != NULL) { + // Wait for vertical edge filtering of the top-right block to be + // completed + sync_read(lf_sync, r, c, plane); + + // Wait for vertical edge filtering of the right block to be completed + sync_read(lf_sync, r + 1, c, plane); + } + +#if CONFIG_MULTITHREAD + if (lf_sync && lf_sync->num_workers > 1) { + pthread_mutex_lock(lf_sync->job_mutex); + const bool lf_mt_exit = lf_sync->lf_mt_exit; + pthread_mutex_unlock(lf_sync->job_mutex); + // Exit in case any worker has encountered an error. + if (lf_mt_exit) return; + } +#endif + + av1_setup_dst_planes(planes, cm->seq_params->sb_size, frame_buffer, + mi_row, mi_col, plane, plane + num_planes); + if (lpf_opt_level) { + if (plane == AOM_PLANE_Y) { + av1_filter_block_plane_horz_opt(cm, xd, &planes[plane], mi_row, + mi_col, params_buf, tx_buf, + num_mis_in_lpf_unit_height_log2); + } else { + av1_filter_block_plane_horz_opt_chroma( + cm, xd, &planes[plane], mi_row, mi_col, params_buf, tx_buf, plane, + joint_filter_chroma, num_mis_in_lpf_unit_height_log2); + } + } else { + av1_filter_block_plane_horz(cm, xd, plane, &planes[plane], mi_row, + mi_col); + } + } + } +} + +void av1_set_vert_loop_filter_done(AV1_COMMON *cm, AV1LfSync *lf_sync, + int num_mis_in_lpf_unit_height_log2) { + int plane, sb_row; + const int sb_cols = + CEIL_POWER_OF_TWO(cm->mi_params.mi_cols, num_mis_in_lpf_unit_height_log2); + const int sb_rows = + CEIL_POWER_OF_TWO(cm->mi_params.mi_rows, num_mis_in_lpf_unit_height_log2); + + // In case of loopfilter row-multithreading, the worker on an SB row waits for + // the vertical edge filtering of the right and top-right SBs. Hence, in case + // a thread (main/worker) encounters an error, update that vertical + // loopfiltering of every SB row in the frame is complete in order to avoid + // dependent workers waiting indefinitely. + for (sb_row = 0; sb_row < sb_rows; ++sb_row) + for (plane = 0; plane < MAX_MB_PLANE; ++plane) + sync_write(lf_sync, sb_row, sb_cols - 1, sb_cols, plane); +} + +static AOM_INLINE void sync_lf_workers(AVxWorker *const workers, + AV1_COMMON *const cm, int num_workers) { + const AVxWorkerInterface *const winterface = aom_get_worker_interface(); + int had_error = workers[0].had_error; + struct aom_internal_error_info error_info; + + // Read the error_info of main thread. + if (had_error) { + AVxWorker *const worker = &workers[0]; + error_info = ((LFWorkerData *)worker->data2)->error_info; + } + + // Wait till all rows are finished. + for (int i = num_workers - 1; i > 0; --i) { + AVxWorker *const worker = &workers[i]; + if (!winterface->sync(worker)) { + had_error = 1; + error_info = ((LFWorkerData *)worker->data2)->error_info; + } + } + if (had_error) aom_internal_error_copy(cm->error, &error_info); +} + +// Row-based multi-threaded loopfilter hook +static int loop_filter_row_worker(void *arg1, void *arg2) { + AV1LfSync *const lf_sync = (AV1LfSync *)arg1; + LFWorkerData *const lf_data = (LFWorkerData *)arg2; + AV1LfMTInfo *cur_job_info; + +#if CONFIG_MULTITHREAD + pthread_mutex_t *job_mutex_ = lf_sync->job_mutex; +#endif + + struct aom_internal_error_info *const error_info = &lf_data->error_info; + + // The jmp_buf is valid only for the duration of the function that calls + // setjmp(). Therefore, this function must reset the 'setjmp' field to 0 + // before it returns. + if (setjmp(error_info->jmp)) { + error_info->setjmp = 0; +#if CONFIG_MULTITHREAD + pthread_mutex_lock(job_mutex_); + lf_sync->lf_mt_exit = true; + pthread_mutex_unlock(job_mutex_); +#endif + av1_set_vert_loop_filter_done(lf_data->cm, lf_sync, MAX_MIB_SIZE_LOG2); + return 0; + } + error_info->setjmp = 1; + + while ((cur_job_info = get_lf_job_info(lf_sync)) != NULL) { + const int lpf_opt_level = cur_job_info->lpf_opt_level; + av1_thread_loop_filter_rows( + lf_data->frame_buffer, lf_data->cm, lf_data->planes, lf_data->xd, + cur_job_info->mi_row, cur_job_info->plane, cur_job_info->dir, + lpf_opt_level, lf_sync, error_info, lf_data->params_buf, + lf_data->tx_buf, MAX_MIB_SIZE_LOG2); + } + error_info->setjmp = 0; + return 1; +} + +static void loop_filter_rows_mt(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm, + MACROBLOCKD *xd, int start, int stop, + const int planes_to_lf[MAX_MB_PLANE], + AVxWorker *workers, int num_workers, + AV1LfSync *lf_sync, int lpf_opt_level) { + const AVxWorkerInterface *const winterface = aom_get_worker_interface(); + int i; + loop_filter_frame_mt_init(cm, start, stop, planes_to_lf, num_workers, lf_sync, + lpf_opt_level, MAX_MIB_SIZE_LOG2); + + // Set up loopfilter thread data. + for (i = num_workers - 1; i >= 0; --i) { + AVxWorker *const worker = &workers[i]; + LFWorkerData *const lf_data = &lf_sync->lfdata[i]; + + worker->hook = loop_filter_row_worker; + worker->data1 = lf_sync; + worker->data2 = lf_data; + + // Loopfilter data + loop_filter_data_reset(lf_data, frame, cm, xd); + + // Start loopfiltering + worker->had_error = 0; + if (i == 0) { + winterface->execute(worker); + } else { + winterface->launch(worker); + } + } + + sync_lf_workers(workers, cm, num_workers); +} + +static void loop_filter_rows(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm, + MACROBLOCKD *xd, int start, int stop, + const int planes_to_lf[MAX_MB_PLANE], + int lpf_opt_level) { + // Filter top rows of all planes first, in case the output can be partially + // reconstructed row by row. + int mi_row, plane, dir; + + AV1_DEBLOCKING_PARAMETERS params_buf[MAX_MIB_SIZE]; + TX_SIZE tx_buf[MAX_MIB_SIZE]; + for (mi_row = start; mi_row < stop; mi_row += MAX_MIB_SIZE) { + for (plane = 0; plane < MAX_MB_PLANE; ++plane) { + if (skip_loop_filter_plane(planes_to_lf, plane, lpf_opt_level)) { + continue; + } + + for (dir = 0; dir < 2; ++dir) { + av1_thread_loop_filter_rows(frame, cm, xd->plane, xd, mi_row, plane, + dir, lpf_opt_level, /*lf_sync=*/NULL, + xd->error_info, params_buf, tx_buf, + MAX_MIB_SIZE_LOG2); + } + } + } +} + +void av1_loop_filter_frame_mt(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm, + MACROBLOCKD *xd, int plane_start, int plane_end, + int partial_frame, AVxWorker *workers, + int num_workers, AV1LfSync *lf_sync, + int lpf_opt_level) { + int start_mi_row, end_mi_row, mi_rows_to_filter; + int planes_to_lf[MAX_MB_PLANE]; + + if (!check_planes_to_loop_filter(&cm->lf, planes_to_lf, plane_start, + plane_end)) + return; + + start_mi_row = 0; + mi_rows_to_filter = cm->mi_params.mi_rows; + if (partial_frame && cm->mi_params.mi_rows > 8) { + start_mi_row = cm->mi_params.mi_rows >> 1; + start_mi_row &= 0xfffffff8; + mi_rows_to_filter = AOMMAX(cm->mi_params.mi_rows / 8, 8); + } + end_mi_row = start_mi_row + mi_rows_to_filter; + av1_loop_filter_frame_init(cm, plane_start, plane_end); + + if (num_workers > 1) { + // Enqueue and execute loopfiltering jobs. + loop_filter_rows_mt(frame, cm, xd, start_mi_row, end_mi_row, planes_to_lf, + workers, num_workers, lf_sync, lpf_opt_level); + } else { + // Directly filter in the main thread. + loop_filter_rows(frame, cm, xd, start_mi_row, end_mi_row, planes_to_lf, + lpf_opt_level); + } +} + +static INLINE void lr_sync_read(void *const lr_sync, int r, int c, int plane) { +#if CONFIG_MULTITHREAD + AV1LrSync *const loop_res_sync = (AV1LrSync *)lr_sync; + const int nsync = loop_res_sync->sync_range; + + if (r && !(c & (nsync - 1))) { + pthread_mutex_t *const mutex = &loop_res_sync->mutex_[plane][r - 1]; + pthread_mutex_lock(mutex); + + while (c > loop_res_sync->cur_sb_col[plane][r - 1] - nsync) { + pthread_cond_wait(&loop_res_sync->cond_[plane][r - 1], mutex); + } + pthread_mutex_unlock(mutex); + } +#else + (void)lr_sync; + (void)r; + (void)c; + (void)plane; +#endif // CONFIG_MULTITHREAD +} + +static INLINE void lr_sync_write(void *const lr_sync, int r, int c, + const int sb_cols, int plane) { +#if CONFIG_MULTITHREAD + AV1LrSync *const loop_res_sync = (AV1LrSync *)lr_sync; + const int nsync = loop_res_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) { + pthread_mutex_lock(&loop_res_sync->mutex_[plane][r]); + + // When a thread encounters an error, cur_sb_col[plane][r] is set to maximum + // column number. In this case, the AOMMAX operation here ensures that + // cur_sb_col[plane][r] is not overwritten with a smaller value thus + // preventing the infinite waiting of threads in the relevant sync_read() + // function. + loop_res_sync->cur_sb_col[plane][r] = + AOMMAX(loop_res_sync->cur_sb_col[plane][r], cur); + + pthread_cond_broadcast(&loop_res_sync->cond_[plane][r]); + pthread_mutex_unlock(&loop_res_sync->mutex_[plane][r]); + } +#else + (void)lr_sync; + (void)r; + (void)c; + (void)sb_cols; + (void)plane; +#endif // CONFIG_MULTITHREAD +} + +// Allocate memory for loop restoration row synchronization +void av1_loop_restoration_alloc(AV1LrSync *lr_sync, AV1_COMMON *cm, + int num_workers, int num_rows_lr, + int num_planes, int width) { + lr_sync->rows = num_rows_lr; + lr_sync->num_planes = num_planes; +#if CONFIG_MULTITHREAD + { + int i, j; + + for (j = 0; j < num_planes; j++) { + CHECK_MEM_ERROR(cm, lr_sync->mutex_[j], + aom_malloc(sizeof(*(lr_sync->mutex_[j])) * num_rows_lr)); + if (lr_sync->mutex_[j]) { + for (i = 0; i < num_rows_lr; ++i) { + pthread_mutex_init(&lr_sync->mutex_[j][i], NULL); + } + } + + CHECK_MEM_ERROR(cm, lr_sync->cond_[j], + aom_malloc(sizeof(*(lr_sync->cond_[j])) * num_rows_lr)); + if (lr_sync->cond_[j]) { + for (i = 0; i < num_rows_lr; ++i) { + pthread_cond_init(&lr_sync->cond_[j][i], NULL); + } + } + } + + CHECK_MEM_ERROR(cm, lr_sync->job_mutex, + aom_malloc(sizeof(*(lr_sync->job_mutex)))); + if (lr_sync->job_mutex) { + pthread_mutex_init(lr_sync->job_mutex, NULL); + } + } +#endif // CONFIG_MULTITHREAD + CHECK_MEM_ERROR(cm, lr_sync->lrworkerdata, + aom_calloc(num_workers, sizeof(*(lr_sync->lrworkerdata)))); + lr_sync->num_workers = num_workers; + + for (int worker_idx = 0; worker_idx < num_workers; ++worker_idx) { + if (worker_idx < num_workers - 1) { + CHECK_MEM_ERROR(cm, lr_sync->lrworkerdata[worker_idx].rst_tmpbuf, + (int32_t *)aom_memalign(16, RESTORATION_TMPBUF_SIZE)); + CHECK_MEM_ERROR(cm, lr_sync->lrworkerdata[worker_idx].rlbs, + aom_malloc(sizeof(RestorationLineBuffers))); + + } else { + lr_sync->lrworkerdata[worker_idx].rst_tmpbuf = cm->rst_tmpbuf; + lr_sync->lrworkerdata[worker_idx].rlbs = cm->rlbs; + } + } + + for (int j = 0; j < num_planes; j++) { + CHECK_MEM_ERROR( + cm, lr_sync->cur_sb_col[j], + aom_malloc(sizeof(*(lr_sync->cur_sb_col[j])) * num_rows_lr)); + } + CHECK_MEM_ERROR( + cm, lr_sync->job_queue, + aom_malloc(sizeof(*(lr_sync->job_queue)) * num_rows_lr * num_planes)); + // Set up nsync. + lr_sync->sync_range = get_lr_sync_range(width); +} + +// Deallocate loop restoration synchronization related mutex and data +void av1_loop_restoration_dealloc(AV1LrSync *lr_sync) { + if (lr_sync != NULL) { + int j; +#if CONFIG_MULTITHREAD + int i; + for (j = 0; j < MAX_MB_PLANE; j++) { + if (lr_sync->mutex_[j] != NULL) { + for (i = 0; i < lr_sync->rows; ++i) { + pthread_mutex_destroy(&lr_sync->mutex_[j][i]); + } + aom_free(lr_sync->mutex_[j]); + } + if (lr_sync->cond_[j] != NULL) { + for (i = 0; i < lr_sync->rows; ++i) { + pthread_cond_destroy(&lr_sync->cond_[j][i]); + } + aom_free(lr_sync->cond_[j]); + } + } + if (lr_sync->job_mutex != NULL) { + pthread_mutex_destroy(lr_sync->job_mutex); + aom_free(lr_sync->job_mutex); + } +#endif // CONFIG_MULTITHREAD + for (j = 0; j < MAX_MB_PLANE; j++) { + aom_free(lr_sync->cur_sb_col[j]); + } + + aom_free(lr_sync->job_queue); + + if (lr_sync->lrworkerdata) { + for (int worker_idx = 0; worker_idx < lr_sync->num_workers - 1; + worker_idx++) { + LRWorkerData *const workerdata_data = + lr_sync->lrworkerdata + worker_idx; + + aom_free(workerdata_data->rst_tmpbuf); + aom_free(workerdata_data->rlbs); + } + aom_free(lr_sync->lrworkerdata); + } + + // 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. + av1_zero(*lr_sync); + } +} + +static void enqueue_lr_jobs(AV1LrSync *lr_sync, AV1LrStruct *lr_ctxt, + AV1_COMMON *cm) { + FilterFrameCtxt *ctxt = lr_ctxt->ctxt; + + const int num_planes = av1_num_planes(cm); + AV1LrMTInfo *lr_job_queue = lr_sync->job_queue; + int32_t lr_job_counter[2], num_even_lr_jobs = 0; + lr_sync->jobs_enqueued = 0; + lr_sync->jobs_dequeued = 0; + + for (int plane = 0; plane < num_planes; plane++) { + if (cm->rst_info[plane].frame_restoration_type == RESTORE_NONE) continue; + num_even_lr_jobs = + num_even_lr_jobs + ((ctxt[plane].rsi->vert_units + 1) >> 1); + } + lr_job_counter[0] = 0; + lr_job_counter[1] = num_even_lr_jobs; + + for (int plane = 0; plane < num_planes; plane++) { + if (cm->rst_info[plane].frame_restoration_type == RESTORE_NONE) continue; + const int is_uv = plane > 0; + const int ss_y = is_uv && cm->seq_params->subsampling_y; + const int unit_size = ctxt[plane].rsi->restoration_unit_size; + const int plane_h = ctxt[plane].plane_h; + const int ext_size = unit_size * 3 / 2; + + int y0 = 0, i = 0; + while (y0 < plane_h) { + int remaining_h = plane_h - y0; + int h = (remaining_h < ext_size) ? remaining_h : unit_size; + + RestorationTileLimits limits; + limits.v_start = y0; + limits.v_end = y0 + h; + assert(limits.v_end <= plane_h); + // Offset upwards to align with the restoration processing stripe + const int voffset = RESTORATION_UNIT_OFFSET >> ss_y; + limits.v_start = AOMMAX(0, limits.v_start - voffset); + if (limits.v_end < plane_h) limits.v_end -= voffset; + + assert(lr_job_counter[0] <= num_even_lr_jobs); + + lr_job_queue[lr_job_counter[i & 1]].lr_unit_row = i; + lr_job_queue[lr_job_counter[i & 1]].plane = plane; + lr_job_queue[lr_job_counter[i & 1]].v_start = limits.v_start; + lr_job_queue[lr_job_counter[i & 1]].v_end = limits.v_end; + lr_job_queue[lr_job_counter[i & 1]].sync_mode = i & 1; + if ((i & 1) == 0) { + lr_job_queue[lr_job_counter[i & 1]].v_copy_start = + limits.v_start + RESTORATION_BORDER; + lr_job_queue[lr_job_counter[i & 1]].v_copy_end = + limits.v_end - RESTORATION_BORDER; + if (i == 0) { + assert(limits.v_start == 0); + lr_job_queue[lr_job_counter[i & 1]].v_copy_start = 0; + } + if (i == (ctxt[plane].rsi->vert_units - 1)) { + assert(limits.v_end == plane_h); + lr_job_queue[lr_job_counter[i & 1]].v_copy_end = plane_h; + } + } else { + lr_job_queue[lr_job_counter[i & 1]].v_copy_start = + AOMMAX(limits.v_start - RESTORATION_BORDER, 0); + lr_job_queue[lr_job_counter[i & 1]].v_copy_end = + AOMMIN(limits.v_end + RESTORATION_BORDER, plane_h); + } + lr_job_counter[i & 1]++; + lr_sync->jobs_enqueued++; + + y0 += h; + ++i; + } + } +} + +static AV1LrMTInfo *get_lr_job_info(AV1LrSync *lr_sync) { + AV1LrMTInfo *cur_job_info = NULL; + +#if CONFIG_MULTITHREAD + pthread_mutex_lock(lr_sync->job_mutex); + + if (!lr_sync->lr_mt_exit && lr_sync->jobs_dequeued < lr_sync->jobs_enqueued) { + cur_job_info = lr_sync->job_queue + lr_sync->jobs_dequeued; + lr_sync->jobs_dequeued++; + } + + pthread_mutex_unlock(lr_sync->job_mutex); +#else + (void)lr_sync; +#endif + + return cur_job_info; +} + +static void set_loop_restoration_done(AV1LrSync *const lr_sync, + FilterFrameCtxt *const ctxt) { + for (int plane = 0; plane < MAX_MB_PLANE; ++plane) { + if (ctxt[plane].rsi->frame_restoration_type == RESTORE_NONE) continue; + int y0 = 0, row_number = 0; + const int unit_size = ctxt[plane].rsi->restoration_unit_size; + const int plane_h = ctxt[plane].plane_h; + const int ext_size = unit_size * 3 / 2; + const int hnum_rest_units = ctxt[plane].rsi->horz_units; + while (y0 < plane_h) { + const int remaining_h = plane_h - y0; + const int h = (remaining_h < ext_size) ? remaining_h : unit_size; + lr_sync_write(lr_sync, row_number, hnum_rest_units - 1, hnum_rest_units, + plane); + y0 += h; + ++row_number; + } + } +} + +// Implement row loop restoration for each thread. +static int loop_restoration_row_worker(void *arg1, void *arg2) { + AV1LrSync *const lr_sync = (AV1LrSync *)arg1; + LRWorkerData *lrworkerdata = (LRWorkerData *)arg2; + AV1LrStruct *lr_ctxt = (AV1LrStruct *)lrworkerdata->lr_ctxt; + FilterFrameCtxt *ctxt = lr_ctxt->ctxt; + int lr_unit_row; + int plane; + int plane_w; +#if CONFIG_MULTITHREAD + pthread_mutex_t *job_mutex_ = lr_sync->job_mutex; +#endif + struct aom_internal_error_info *const error_info = &lrworkerdata->error_info; + + // The jmp_buf is valid only for the duration of the function that calls + // setjmp(). Therefore, this function must reset the 'setjmp' field to 0 + // before it returns. + if (setjmp(error_info->jmp)) { + error_info->setjmp = 0; +#if CONFIG_MULTITHREAD + pthread_mutex_lock(job_mutex_); + lr_sync->lr_mt_exit = true; + pthread_mutex_unlock(job_mutex_); +#endif + // In case of loop restoration multithreading, the worker on an even lr + // block row waits for the completion of the filtering of the top-right and + // bottom-right blocks. Hence, in case a thread (main/worker) encounters an + // error, update that filtering of every row in the frame is complete in + // order to avoid the dependent workers from waiting indefinitely. + set_loop_restoration_done(lr_sync, lr_ctxt->ctxt); + return 0; + } + error_info->setjmp = 1; + + typedef void (*copy_fun)(const YV12_BUFFER_CONFIG *src_ybc, + YV12_BUFFER_CONFIG *dst_ybc, int hstart, int hend, + int vstart, int vend); + static const copy_fun copy_funs[MAX_MB_PLANE] = { + aom_yv12_partial_coloc_copy_y, aom_yv12_partial_coloc_copy_u, + aom_yv12_partial_coloc_copy_v + }; + + while (1) { + AV1LrMTInfo *cur_job_info = get_lr_job_info(lr_sync); + if (cur_job_info != NULL) { + RestorationTileLimits limits; + sync_read_fn_t on_sync_read; + sync_write_fn_t on_sync_write; + limits.v_start = cur_job_info->v_start; + limits.v_end = cur_job_info->v_end; + lr_unit_row = cur_job_info->lr_unit_row; + plane = cur_job_info->plane; + plane_w = ctxt[plane].plane_w; + + // sync_mode == 1 implies only sync read is required in LR Multi-threading + // sync_mode == 0 implies only sync write is required. + on_sync_read = + cur_job_info->sync_mode == 1 ? lr_sync_read : av1_lr_sync_read_dummy; + on_sync_write = cur_job_info->sync_mode == 0 ? lr_sync_write + : av1_lr_sync_write_dummy; + + av1_foreach_rest_unit_in_row( + &limits, plane_w, lr_ctxt->on_rest_unit, lr_unit_row, + ctxt[plane].rsi->restoration_unit_size, ctxt[plane].rsi->horz_units, + ctxt[plane].rsi->vert_units, plane, &ctxt[plane], + lrworkerdata->rst_tmpbuf, lrworkerdata->rlbs, on_sync_read, + on_sync_write, lr_sync, error_info); + + copy_funs[plane](lr_ctxt->dst, lr_ctxt->frame, 0, plane_w, + cur_job_info->v_copy_start, cur_job_info->v_copy_end); + + if (lrworkerdata->do_extend_border) { + aom_extend_frame_borders_plane_row(lr_ctxt->frame, plane, + cur_job_info->v_copy_start, + cur_job_info->v_copy_end); + } + } else { + break; + } + } + error_info->setjmp = 0; + return 1; +} + +static AOM_INLINE void sync_lr_workers(AVxWorker *const workers, + AV1_COMMON *const cm, int num_workers) { + const AVxWorkerInterface *const winterface = aom_get_worker_interface(); + int had_error = workers[0].had_error; + struct aom_internal_error_info error_info; + + // Read the error_info of main thread. + if (had_error) { + AVxWorker *const worker = &workers[0]; + error_info = ((LRWorkerData *)worker->data2)->error_info; + } + + // Wait till all rows are finished. + for (int i = num_workers - 1; i > 0; --i) { + AVxWorker *const worker = &workers[i]; + if (!winterface->sync(worker)) { + had_error = 1; + error_info = ((LRWorkerData *)worker->data2)->error_info; + } + } + if (had_error) aom_internal_error_copy(cm->error, &error_info); +} + +static void foreach_rest_unit_in_planes_mt(AV1LrStruct *lr_ctxt, + AVxWorker *workers, int num_workers, + AV1LrSync *lr_sync, AV1_COMMON *cm, + int do_extend_border) { + FilterFrameCtxt *ctxt = lr_ctxt->ctxt; + + const int num_planes = av1_num_planes(cm); + + const AVxWorkerInterface *const winterface = aom_get_worker_interface(); + int num_rows_lr = 0; + + for (int plane = 0; plane < num_planes; plane++) { + if (cm->rst_info[plane].frame_restoration_type == RESTORE_NONE) continue; + + const int plane_h = ctxt[plane].plane_h; + const int unit_size = cm->rst_info[plane].restoration_unit_size; + + num_rows_lr = AOMMAX(num_rows_lr, av1_lr_count_units(unit_size, plane_h)); + } + + int i; + assert(MAX_MB_PLANE == 3); + + if (!lr_sync->sync_range || num_rows_lr > lr_sync->rows || + num_workers > lr_sync->num_workers || num_planes > lr_sync->num_planes) { + av1_loop_restoration_dealloc(lr_sync); + av1_loop_restoration_alloc(lr_sync, cm, num_workers, num_rows_lr, + num_planes, cm->width); + } + lr_sync->lr_mt_exit = false; + + // Initialize cur_sb_col to -1 for all SB rows. + for (i = 0; i < num_planes; i++) { + memset(lr_sync->cur_sb_col[i], -1, + sizeof(*(lr_sync->cur_sb_col[i])) * num_rows_lr); + } + + enqueue_lr_jobs(lr_sync, lr_ctxt, cm); + + // Set up looprestoration thread data. + for (i = num_workers - 1; i >= 0; --i) { + AVxWorker *const worker = &workers[i]; + lr_sync->lrworkerdata[i].lr_ctxt = (void *)lr_ctxt; + lr_sync->lrworkerdata[i].do_extend_border = do_extend_border; + worker->hook = loop_restoration_row_worker; + worker->data1 = lr_sync; + worker->data2 = &lr_sync->lrworkerdata[i]; + + // Start loop restoration + worker->had_error = 0; + if (i == 0) { + winterface->execute(worker); + } else { + winterface->launch(worker); + } + } + + sync_lr_workers(workers, cm, num_workers); +} + +void av1_loop_restoration_filter_frame_mt(YV12_BUFFER_CONFIG *frame, + AV1_COMMON *cm, int optimized_lr, + AVxWorker *workers, int num_workers, + AV1LrSync *lr_sync, void *lr_ctxt, + int do_extend_border) { + assert(!cm->features.all_lossless); + + const int num_planes = av1_num_planes(cm); + + AV1LrStruct *loop_rest_ctxt = (AV1LrStruct *)lr_ctxt; + + av1_loop_restoration_filter_frame_init(loop_rest_ctxt, frame, cm, + optimized_lr, num_planes); + + foreach_rest_unit_in_planes_mt(loop_rest_ctxt, workers, num_workers, lr_sync, + cm, do_extend_border); +} + +// Initializes cdef_sync parameters. +static AOM_INLINE void reset_cdef_job_info(AV1CdefSync *const cdef_sync) { + cdef_sync->end_of_frame = 0; + cdef_sync->fbr = 0; + cdef_sync->fbc = 0; + cdef_sync->cdef_mt_exit = false; +} + +static AOM_INLINE void launch_cdef_workers(AVxWorker *const workers, + int num_workers) { + const AVxWorkerInterface *const winterface = aom_get_worker_interface(); + for (int i = num_workers - 1; i >= 0; i--) { + AVxWorker *const worker = &workers[i]; + worker->had_error = 0; + if (i == 0) + winterface->execute(worker); + else + winterface->launch(worker); + } +} + +static AOM_INLINE void sync_cdef_workers(AVxWorker *const workers, + AV1_COMMON *const cm, + int num_workers) { + const AVxWorkerInterface *const winterface = aom_get_worker_interface(); + int had_error = workers[0].had_error; + struct aom_internal_error_info error_info; + + // Read the error_info of main thread. + if (had_error) { + AVxWorker *const worker = &workers[0]; + error_info = ((AV1CdefWorkerData *)worker->data2)->error_info; + } + + // Wait till all rows are finished. + for (int i = num_workers - 1; i > 0; --i) { + AVxWorker *const worker = &workers[i]; + if (!winterface->sync(worker)) { + had_error = 1; + error_info = ((AV1CdefWorkerData *)worker->data2)->error_info; + } + } + if (had_error) aom_internal_error_copy(cm->error, &error_info); +} + +// Updates the row index of the next job to be processed. +// Also updates end_of_frame flag when the processing of all rows is complete. +static void update_cdef_row_next_job_info(AV1CdefSync *const cdef_sync, + const int nvfb) { + cdef_sync->fbr++; + if (cdef_sync->fbr == nvfb) { + cdef_sync->end_of_frame = 1; + } +} + +// Checks if a job is available. If job is available, +// populates next job information and returns 1, else returns 0. +static AOM_INLINE int get_cdef_row_next_job(AV1CdefSync *const cdef_sync, + volatile int *cur_fbr, + const int nvfb) { +#if CONFIG_MULTITHREAD + pthread_mutex_lock(cdef_sync->mutex_); +#endif // CONFIG_MULTITHREAD + int do_next_row = 0; + // Populates information needed for current job and update the row + // index of the next row to be processed. + if (!cdef_sync->cdef_mt_exit && cdef_sync->end_of_frame == 0) { + do_next_row = 1; + *cur_fbr = cdef_sync->fbr; + update_cdef_row_next_job_info(cdef_sync, nvfb); + } +#if CONFIG_MULTITHREAD + pthread_mutex_unlock(cdef_sync->mutex_); +#endif // CONFIG_MULTITHREAD + return do_next_row; +} + +static void set_cdef_init_fb_row_done(AV1CdefSync *const cdef_sync, int nvfb) { + for (int fbr = 0; fbr < nvfb; fbr++) cdef_row_mt_sync_write(cdef_sync, fbr); +} + +// Hook function for each thread in CDEF multi-threading. +static int cdef_sb_row_worker_hook(void *arg1, void *arg2) { + AV1CdefSync *const cdef_sync = (AV1CdefSync *)arg1; + AV1CdefWorkerData *const cdef_worker = (AV1CdefWorkerData *)arg2; + AV1_COMMON *cm = cdef_worker->cm; + const int nvfb = (cm->mi_params.mi_rows + MI_SIZE_64X64 - 1) / MI_SIZE_64X64; + +#if CONFIG_MULTITHREAD + pthread_mutex_t *job_mutex_ = cdef_sync->mutex_; +#endif + struct aom_internal_error_info *const error_info = &cdef_worker->error_info; + + // The jmp_buf is valid only for the duration of the function that calls + // setjmp(). Therefore, this function must reset the 'setjmp' field to 0 + // before it returns. + if (setjmp(error_info->jmp)) { + error_info->setjmp = 0; +#if CONFIG_MULTITHREAD + pthread_mutex_lock(job_mutex_); + cdef_sync->cdef_mt_exit = true; + pthread_mutex_unlock(job_mutex_); +#endif + // In case of cdef row-multithreading, the worker on a filter block row + // (fbr) waits for the line buffers (top and bottom) copy of the above row. + // Hence, in case a thread (main/worker) encounters an error before copying + // of the line buffers, update that line buffer copy is complete in order to + // avoid dependent workers waiting indefinitely. + set_cdef_init_fb_row_done(cdef_sync, nvfb); + return 0; + } + error_info->setjmp = 1; + + volatile int cur_fbr; + const int num_planes = av1_num_planes(cm); + while (get_cdef_row_next_job(cdef_sync, &cur_fbr, nvfb)) { + MACROBLOCKD *xd = cdef_worker->xd; + av1_cdef_fb_row(cm, xd, cdef_worker->linebuf, cdef_worker->colbuf, + cdef_worker->srcbuf, cur_fbr, + cdef_worker->cdef_init_fb_row_fn, cdef_sync, error_info); + if (cdef_worker->do_extend_border) { + for (int plane = 0; plane < num_planes; ++plane) { + const YV12_BUFFER_CONFIG *ybf = &cm->cur_frame->buf; + const int is_uv = plane > 0; + const int mi_high = MI_SIZE_LOG2 - xd->plane[plane].subsampling_y; + const int unit_height = MI_SIZE_64X64 << mi_high; + const int v_start = cur_fbr * unit_height; + const int v_end = + AOMMIN(v_start + unit_height, ybf->crop_heights[is_uv]); + aom_extend_frame_borders_plane_row(ybf, plane, v_start, v_end); + } + } + } + error_info->setjmp = 0; + return 1; +} + +// Assigns CDEF hook function and thread data to each worker. +static void prepare_cdef_frame_workers( + AV1_COMMON *const cm, MACROBLOCKD *xd, AV1CdefWorkerData *const cdef_worker, + AVxWorkerHook hook, AVxWorker *const workers, AV1CdefSync *const cdef_sync, + int num_workers, cdef_init_fb_row_t cdef_init_fb_row_fn, + int do_extend_border) { + const int num_planes = av1_num_planes(cm); + + cdef_worker[0].srcbuf = cm->cdef_info.srcbuf; + for (int plane = 0; plane < num_planes; plane++) + cdef_worker[0].colbuf[plane] = cm->cdef_info.colbuf[plane]; + for (int i = num_workers - 1; i >= 0; i--) { + AVxWorker *const worker = &workers[i]; + cdef_worker[i].cm = cm; + cdef_worker[i].xd = xd; + cdef_worker[i].cdef_init_fb_row_fn = cdef_init_fb_row_fn; + cdef_worker[i].do_extend_border = do_extend_border; + for (int plane = 0; plane < num_planes; plane++) + cdef_worker[i].linebuf[plane] = cm->cdef_info.linebuf[plane]; + + worker->hook = hook; + worker->data1 = cdef_sync; + worker->data2 = &cdef_worker[i]; + } +} + +// Initializes row-level parameters for CDEF frame. +void av1_cdef_init_fb_row_mt(const AV1_COMMON *const cm, + const MACROBLOCKD *const xd, + CdefBlockInfo *const fb_info, + uint16_t **const linebuf, uint16_t *const src, + struct AV1CdefSyncData *const cdef_sync, int fbr) { + const int num_planes = av1_num_planes(cm); + const int nvfb = (cm->mi_params.mi_rows + MI_SIZE_64X64 - 1) / MI_SIZE_64X64; + const int luma_stride = + ALIGN_POWER_OF_TWO(cm->mi_params.mi_cols << MI_SIZE_LOG2, 4); + + // for the current filter block, it's top left corner mi structure (mi_tl) + // is first accessed to check whether the top and left boundaries are + // frame boundaries. Then bottom-left and top-right mi structures are + // accessed to check whether the bottom and right boundaries + // (respectively) are frame boundaries. + // + // Note that we can't just check the bottom-right mi structure - eg. if + // we're at the right-hand edge of the frame but not the bottom, then + // the bottom-right mi is NULL but the bottom-left is not. + fb_info->frame_boundary[TOP] = (MI_SIZE_64X64 * fbr == 0) ? 1 : 0; + if (fbr != nvfb - 1) + fb_info->frame_boundary[BOTTOM] = + (MI_SIZE_64X64 * (fbr + 1) == cm->mi_params.mi_rows) ? 1 : 0; + else + fb_info->frame_boundary[BOTTOM] = 1; + + fb_info->src = src; + fb_info->damping = cm->cdef_info.cdef_damping; + fb_info->coeff_shift = AOMMAX(cm->seq_params->bit_depth - 8, 0); + av1_zero(fb_info->dir); + av1_zero(fb_info->var); + + for (int plane = 0; plane < num_planes; plane++) { + const int stride = luma_stride >> xd->plane[plane].subsampling_x; + uint16_t *top_linebuf = &linebuf[plane][0]; + uint16_t *bot_linebuf = &linebuf[plane][nvfb * CDEF_VBORDER * stride]; + { + const int mi_high_l2 = MI_SIZE_LOG2 - xd->plane[plane].subsampling_y; + const int top_offset = MI_SIZE_64X64 * (fbr + 1) << mi_high_l2; + const int bot_offset = MI_SIZE_64X64 * (fbr + 1) << mi_high_l2; + + if (fbr != nvfb - 1) // if (fbr != 0) // top line buffer copy + av1_cdef_copy_sb8_16( + cm, &top_linebuf[(fbr + 1) * CDEF_VBORDER * stride], stride, + xd->plane[plane].dst.buf, top_offset - CDEF_VBORDER, 0, + xd->plane[plane].dst.stride, CDEF_VBORDER, stride); + if (fbr != nvfb - 1) // bottom line buffer copy + av1_cdef_copy_sb8_16(cm, &bot_linebuf[fbr * CDEF_VBORDER * stride], + stride, xd->plane[plane].dst.buf, bot_offset, 0, + xd->plane[plane].dst.stride, CDEF_VBORDER, stride); + } + + fb_info->top_linebuf[plane] = &linebuf[plane][fbr * CDEF_VBORDER * stride]; + fb_info->bot_linebuf[plane] = + &linebuf[plane] + [nvfb * CDEF_VBORDER * stride + (fbr * CDEF_VBORDER * stride)]; + } + + cdef_row_mt_sync_write(cdef_sync, fbr); + cdef_row_mt_sync_read(cdef_sync, fbr); +} + +// Implements multi-threading for CDEF. +// Perform CDEF on input frame. +// Inputs: +// frame: Pointer to input frame buffer. +// cm: Pointer to common structure. +// xd: Pointer to common current coding block structure. +// Returns: +// Nothing will be returned. +void av1_cdef_frame_mt(AV1_COMMON *const cm, MACROBLOCKD *const xd, + AV1CdefWorkerData *const cdef_worker, + AVxWorker *const workers, AV1CdefSync *const cdef_sync, + int num_workers, cdef_init_fb_row_t cdef_init_fb_row_fn, + int do_extend_border) { + YV12_BUFFER_CONFIG *frame = &cm->cur_frame->buf; + const int num_planes = av1_num_planes(cm); + + av1_setup_dst_planes(xd->plane, cm->seq_params->sb_size, frame, 0, 0, 0, + num_planes); + + reset_cdef_job_info(cdef_sync); + prepare_cdef_frame_workers(cm, xd, cdef_worker, cdef_sb_row_worker_hook, + workers, cdef_sync, num_workers, + cdef_init_fb_row_fn, do_extend_border); + launch_cdef_workers(workers, num_workers); + sync_cdef_workers(workers, cm, num_workers); +} + +int av1_get_intrabc_extra_top_right_sb_delay(const AV1_COMMON *cm) { + // No additional top-right delay when intraBC tool is not enabled. + if (!av1_allow_intrabc(cm)) return 0; + // Due to the hardware constraints on processing the intraBC tool with row + // multithreading, a top-right delay of 3 superblocks of size 128x128 or 5 + // superblocks of size 64x64 is mandated. However, a minimum top-right delay + // of 1 superblock is assured with 'sync_range'. Hence return only the + // additional superblock delay when the intraBC tool is enabled. + return cm->seq_params->sb_size == BLOCK_128X128 ? 2 : 4; +} |