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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /media/libvpx/vp9/encoder/vp9_ethread.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libvpx/vp9/encoder/vp9_ethread.c')
-rw-r--r--media/libvpx/vp9/encoder/vp9_ethread.c179
1 files changed, 179 insertions, 0 deletions
diff --git a/media/libvpx/vp9/encoder/vp9_ethread.c b/media/libvpx/vp9/encoder/vp9_ethread.c
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+++ b/media/libvpx/vp9/encoder/vp9_ethread.c
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+/*
+ * 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 "vp9/encoder/vp9_encodeframe.h"
+#include "vp9/encoder/vp9_encoder.h"
+#include "vp9/encoder/vp9_ethread.h"
+
+static void accumulate_rd_opt(ThreadData *td, ThreadData *td_t) {
+ int i, j, k, l, m, n;
+
+ for (i = 0; i < REFERENCE_MODES; i++)
+ td->rd_counts.comp_pred_diff[i] += td_t->rd_counts.comp_pred_diff[i];
+
+ for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++)
+ td->rd_counts.filter_diff[i] += td_t->rd_counts.filter_diff[i];
+
+ for (i = 0; i < TX_MODES; i++)
+ td->rd_counts.tx_select_diff[i] += td_t->rd_counts.tx_select_diff[i];
+
+ 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++)
+ for (n = 0; n < ENTROPY_TOKENS; n++)
+ td->rd_counts.coef_counts[i][j][k][l][m][n] +=
+ td_t->rd_counts.coef_counts[i][j][k][l][m][n];
+}
+
+static int enc_worker_hook(EncWorkerData *const thread_data, void *unused) {
+ VP9_COMP *const cpi = thread_data->cpi;
+ const VP9_COMMON *const cm = &cpi->common;
+ const int tile_cols = 1 << cm->log2_tile_cols;
+ const int tile_rows = 1 << cm->log2_tile_rows;
+ int t;
+
+ (void) unused;
+
+ for (t = thread_data->start; t < tile_rows * tile_cols;
+ t += cpi->num_workers) {
+ int tile_row = t / tile_cols;
+ int tile_col = t % tile_cols;
+
+ vp9_encode_tile(cpi, thread_data->td, tile_row, tile_col);
+ }
+
+ return 0;
+}
+
+void vp9_encode_tiles_mt(VP9_COMP *cpi) {
+ VP9_COMMON *const cm = &cpi->common;
+ const int tile_cols = 1 << cm->log2_tile_cols;
+ const VP9WorkerInterface *const winterface = vp9_get_worker_interface();
+ const int num_workers = MIN(cpi->oxcf.max_threads, tile_cols);
+ int i;
+
+ vp9_init_tile_data(cpi);
+
+ // Only run once to create threads and allocate thread data.
+ if (cpi->num_workers == 0) {
+ CHECK_MEM_ERROR(cm, cpi->workers,
+ vpx_malloc(num_workers * sizeof(*cpi->workers)));
+
+ CHECK_MEM_ERROR(cm, cpi->tile_thr_data,
+ vpx_calloc(num_workers, sizeof(*cpi->tile_thr_data)));
+
+ for (i = 0; i < num_workers; i++) {
+ VP9Worker *const worker = &cpi->workers[i];
+ EncWorkerData *thread_data = &cpi->tile_thr_data[i];
+
+ ++cpi->num_workers;
+ winterface->init(worker);
+
+ if (i < num_workers - 1) {
+ thread_data->cpi = cpi;
+
+ // Allocate thread data.
+ CHECK_MEM_ERROR(cm, thread_data->td,
+ vpx_memalign(32, sizeof(*thread_data->td)));
+ vp9_zero(*thread_data->td);
+
+ // Set up pc_tree.
+ thread_data->td->leaf_tree = NULL;
+ thread_data->td->pc_tree = NULL;
+ vp9_setup_pc_tree(cm, thread_data->td);
+
+ // Allocate frame counters in thread data.
+ CHECK_MEM_ERROR(cm, thread_data->td->counts,
+ vpx_calloc(1, sizeof(*thread_data->td->counts)));
+
+ // Create threads
+ if (!winterface->reset(worker))
+ vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
+ "Tile encoder thread creation failed");
+ } else {
+ // Main thread acts as a worker and uses the thread data in cpi.
+ thread_data->cpi = cpi;
+ thread_data->td = &cpi->td;
+ }
+
+ winterface->sync(worker);
+ }
+ }
+
+ for (i = 0; i < num_workers; i++) {
+ VP9Worker *const worker = &cpi->workers[i];
+ EncWorkerData *thread_data;
+
+ worker->hook = (VP9WorkerHook)enc_worker_hook;
+ worker->data1 = &cpi->tile_thr_data[i];
+ worker->data2 = NULL;
+ thread_data = (EncWorkerData*)worker->data1;
+
+ // Before encoding a frame, copy the thread data from cpi.
+ if (thread_data->td != &cpi->td) {
+ thread_data->td->mb = cpi->td.mb;
+ thread_data->td->rd_counts = cpi->td.rd_counts;
+ }
+ if (thread_data->td->counts != &cpi->common.counts) {
+ memcpy(thread_data->td->counts, &cpi->common.counts,
+ sizeof(cpi->common.counts));
+ }
+
+ // Handle use_nonrd_pick_mode case.
+ if (cpi->sf.use_nonrd_pick_mode) {
+ MACROBLOCK *const x = &thread_data->td->mb;
+ MACROBLOCKD *const xd = &x->e_mbd;
+ struct macroblock_plane *const p = x->plane;
+ struct macroblockd_plane *const pd = xd->plane;
+ PICK_MODE_CONTEXT *ctx = &thread_data->td->pc_root->none;
+ int j;
+
+ for (j = 0; j < MAX_MB_PLANE; ++j) {
+ p[j].coeff = ctx->coeff_pbuf[j][0];
+ p[j].qcoeff = ctx->qcoeff_pbuf[j][0];
+ pd[j].dqcoeff = ctx->dqcoeff_pbuf[j][0];
+ p[j].eobs = ctx->eobs_pbuf[j][0];
+ }
+ }
+ }
+
+ // Encode a frame
+ for (i = 0; i < num_workers; i++) {
+ VP9Worker *const worker = &cpi->workers[i];
+ EncWorkerData *const thread_data = (EncWorkerData*)worker->data1;
+
+ // Set the starting tile for each thread.
+ thread_data->start = i;
+
+ if (i == num_workers - 1)
+ winterface->execute(worker);
+ else
+ winterface->launch(worker);
+ }
+
+ // Encoding ends.
+ for (i = 0; i < num_workers; i++) {
+ VP9Worker *const worker = &cpi->workers[i];
+ winterface->sync(worker);
+ }
+
+ for (i = 0; i < num_workers; i++) {
+ VP9Worker *const worker = &cpi->workers[i];
+ EncWorkerData *const thread_data = (EncWorkerData*)worker->data1;
+
+ // Accumulate counters.
+ if (i < num_workers - 1) {
+ vp9_accumulate_frame_counts(cm, thread_data->td->counts, 0);
+ accumulate_rd_opt(&cpi->td, thread_data->td);
+ }
+ }
+}