ref: f5bbe244aa7f7c69b80e85c848d8974df5004555
dir: /vp9/encoder/vp9_ethread.c/
/*
* 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_frame_counts(VP9_COMMON *cm, ThreadData *td) {
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] += td->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] += td->counts->uv_mode[i][j];
for (i = 0; i < PARTITION_CONTEXTS; i++)
for (j = 0; j < PARTITION_TYPES; j++)
cm->counts.partition[i][j] += td->counts->partition[i][j];
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] +=
td->counts->eob_branch[i][j][k][l][m];
// 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] +=
// td->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] += td->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] += td->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] += td->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] += td->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] += td->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] += td->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] += td->counts->tx.p32x32[i][j];
for (j = 0; j < TX_SIZES - 1; j++)
cm->counts.tx.p16x16[i][j] += td->counts->tx.p16x16[i][j];
for (j = 0; j < TX_SIZES - 2; j++)
cm->counts.tx.p8x8[i][j] += td->counts->tx.p8x8[i][j];
}
for (i = 0; i < SKIP_CONTEXTS; i++)
for (j = 0; j < 2; j++)
cm->counts.skip[i][j] += td->counts->skip[i][j];
for (i = 0; i < MV_JOINTS; i++)
cm->counts.mv.joints[i] += td->counts->mv.joints[i];
for (k = 0; k < 2; k++) {
nmv_component_counts *comps = &cm->counts.mv.comps[k];
nmv_component_counts *comps_t = &td->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];
}
}
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)));
for (i = 0; i < num_workers; i++) {
VP9Worker *const worker = &cpi->workers[i];
EncWorkerData *thread_data;
++cpi->num_workers;
winterface->init(worker);
CHECK_MEM_ERROR(cm, worker->data1,
(EncWorkerData*)vpx_calloc(1, sizeof(EncWorkerData)));
thread_data = (EncWorkerData*)worker->data1;
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;
}
// data2 is unused.
worker->data2 = NULL;
winterface->sync(worker);
worker->hook = (VP9WorkerHook)enc_worker_hook;
}
}
for (i = 0; i < num_workers; i++) {
VP9Worker *const worker = &cpi->workers[i];
EncWorkerData *const thread_data = (EncWorkerData*)worker->data1;
// Before encoding a frame, copy the thread data from cpi.
thread_data->td->mb = cpi->td.mb;
thread_data->td->rd_counts = cpi->td.rd_counts;
vpx_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) {
accumulate_frame_counts(&cpi->common, thread_data->td);
accumulate_rd_opt(&cpi->td, thread_data->td);
}
}
}