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-rw-r--r--media/libvpx/libvpx/vp8/encoder/ethreading.c664
1 files changed, 664 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/encoder/ethreading.c b/media/libvpx/libvpx/vp8/encoder/ethreading.c
new file mode 100644
index 0000000000..e2f8b89d46
--- /dev/null
+++ b/media/libvpx/libvpx/vp8/encoder/ethreading.c
@@ -0,0 +1,664 @@
+/*
+ * Copyright (c) 2010 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 <stddef.h>
+
+#include "onyx_int.h"
+#include "vp8/common/threading.h"
+#include "vp8/common/common.h"
+#include "vp8/common/extend.h"
+#include "bitstream.h"
+#include "encodeframe.h"
+#include "ethreading.h"
+
+#if CONFIG_MULTITHREAD
+
+extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x,
+ int ok_to_skip);
+
+static THREAD_FUNCTION thread_loopfilter(void *p_data) {
+ VP8_COMP *cpi = (VP8_COMP *)(((LPFTHREAD_DATA *)p_data)->ptr1);
+ VP8_COMMON *cm = &cpi->common;
+
+ while (1) {
+ if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break;
+
+ if (sem_wait(&cpi->h_event_start_lpf) == 0) {
+ /* we're shutting down */
+ if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break;
+
+ vp8_loopfilter_frame(cpi, cm);
+
+ sem_post(&cpi->h_event_end_lpf);
+ }
+ }
+
+ return 0;
+}
+
+static THREAD_FUNCTION thread_encoding_proc(void *p_data) {
+ int ithread = ((ENCODETHREAD_DATA *)p_data)->ithread;
+ VP8_COMP *cpi = (VP8_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr1);
+ MB_ROW_COMP *mbri = (MB_ROW_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr2);
+ ENTROPY_CONTEXT_PLANES mb_row_left_context;
+
+ while (1) {
+ if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break;
+
+ if (sem_wait(&cpi->h_event_start_encoding[ithread]) == 0) {
+ const int nsync = cpi->mt_sync_range;
+ VP8_COMMON *cm = &cpi->common;
+ int mb_row;
+ MACROBLOCK *x = &mbri->mb;
+ MACROBLOCKD *xd = &x->e_mbd;
+ TOKENEXTRA *tp;
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ TOKENEXTRA *tp_start = cpi->tok + (1 + ithread) * (16 * 24);
+ const int num_part = (1 << cm->multi_token_partition);
+#endif
+
+ int *segment_counts = mbri->segment_counts;
+ int *totalrate = &mbri->totalrate;
+
+ /* we're shutting down */
+ if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break;
+
+ xd->mode_info_context = cm->mi + cm->mode_info_stride * (ithread + 1);
+ xd->mode_info_stride = cm->mode_info_stride;
+
+ for (mb_row = ithread + 1; mb_row < cm->mb_rows;
+ mb_row += (cpi->encoding_thread_count + 1)) {
+ int recon_yoffset, recon_uvoffset;
+ int mb_col;
+ int ref_fb_idx = cm->lst_fb_idx;
+ int dst_fb_idx = cm->new_fb_idx;
+ int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
+ int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
+ int map_index = (mb_row * cm->mb_cols);
+ const vpx_atomic_int *last_row_current_mb_col;
+ vpx_atomic_int *current_mb_col = &cpi->mt_current_mb_col[mb_row];
+
+#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
+ vp8_writer *w = &cpi->bc[1 + (mb_row % num_part)];
+#else
+ tp = cpi->tok + (mb_row * (cm->mb_cols * 16 * 24));
+ cpi->tplist[mb_row].start = tp;
+#endif
+
+ last_row_current_mb_col = &cpi->mt_current_mb_col[mb_row - 1];
+
+ /* reset above block coeffs */
+ xd->above_context = cm->above_context;
+ xd->left_context = &mb_row_left_context;
+
+ vp8_zero(mb_row_left_context);
+
+ xd->up_available = (mb_row != 0);
+ recon_yoffset = (mb_row * recon_y_stride * 16);
+ recon_uvoffset = (mb_row * recon_uv_stride * 8);
+
+ /* Set the mb activity pointer to the start of the row. */
+ x->mb_activity_ptr = &cpi->mb_activity_map[map_index];
+
+ /* for each macroblock col in image */
+ for (mb_col = 0; mb_col < cm->mb_cols; ++mb_col) {
+ if (((mb_col - 1) % nsync) == 0) {
+ vpx_atomic_store_release(current_mb_col, mb_col - 1);
+ }
+
+ if (mb_row && !(mb_col & (nsync - 1))) {
+ vp8_atomic_spin_wait(mb_col, last_row_current_mb_col, nsync);
+ }
+
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ tp = tp_start;
+#endif
+
+ /* Distance of Mb to the various image edges.
+ * These specified to 8th pel as they are always compared
+ * to values that are in 1/8th pel units
+ */
+ xd->mb_to_left_edge = -((mb_col * 16) << 3);
+ xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;
+ xd->mb_to_top_edge = -((mb_row * 16) << 3);
+ xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
+
+ /* Set up limit values for motion vectors used to prevent
+ * them extending outside the UMV borders
+ */
+ x->mv_col_min = -((mb_col * 16) + (VP8BORDERINPIXELS - 16));
+ x->mv_col_max =
+ ((cm->mb_cols - 1 - mb_col) * 16) + (VP8BORDERINPIXELS - 16);
+ x->mv_row_min = -((mb_row * 16) + (VP8BORDERINPIXELS - 16));
+ x->mv_row_max =
+ ((cm->mb_rows - 1 - mb_row) * 16) + (VP8BORDERINPIXELS - 16);
+
+ xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
+ xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
+ xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
+ xd->left_available = (mb_col != 0);
+
+ x->rddiv = cpi->RDDIV;
+ x->rdmult = cpi->RDMULT;
+
+ /* Copy current mb to a buffer */
+ vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
+
+ if (cpi->oxcf.tuning == VP8_TUNE_SSIM) vp8_activity_masking(cpi, x);
+
+ /* Is segmentation enabled */
+ /* MB level adjustment to quantizer */
+ if (xd->segmentation_enabled) {
+ /* Code to set segment id in xd->mbmi.segment_id for
+ * current MB (with range checking)
+ */
+ if (cpi->segmentation_map[map_index + mb_col] <= 3) {
+ xd->mode_info_context->mbmi.segment_id =
+ cpi->segmentation_map[map_index + mb_col];
+ } else {
+ xd->mode_info_context->mbmi.segment_id = 0;
+ }
+
+ vp8cx_mb_init_quantizer(cpi, x, 1);
+ } else {
+ /* Set to Segment 0 by default */
+ xd->mode_info_context->mbmi.segment_id = 0;
+ }
+
+ x->active_ptr = cpi->active_map + map_index + mb_col;
+
+ if (cm->frame_type == KEY_FRAME) {
+ *totalrate += vp8cx_encode_intra_macroblock(cpi, x, &tp);
+#ifdef MODE_STATS
+ y_modes[xd->mbmi.mode]++;
+#endif
+ } else {
+ *totalrate += vp8cx_encode_inter_macroblock(
+ cpi, x, &tp, recon_yoffset, recon_uvoffset, mb_row, mb_col);
+
+#ifdef MODE_STATS
+ inter_y_modes[xd->mbmi.mode]++;
+
+ if (xd->mbmi.mode == SPLITMV) {
+ int b;
+
+ for (b = 0; b < xd->mbmi.partition_count; ++b) {
+ inter_b_modes[x->partition->bmi[b].mode]++;
+ }
+ }
+
+#endif
+ // Keep track of how many (consecutive) times a block
+ // is coded as ZEROMV_LASTREF, for base layer frames.
+ // Reset to 0 if its coded as anything else.
+ if (cpi->current_layer == 0) {
+ if (xd->mode_info_context->mbmi.mode == ZEROMV &&
+ xd->mode_info_context->mbmi.ref_frame == LAST_FRAME) {
+ // Increment, check for wrap-around.
+ if (cpi->consec_zero_last[map_index + mb_col] < 255) {
+ cpi->consec_zero_last[map_index + mb_col] += 1;
+ }
+ if (cpi->consec_zero_last_mvbias[map_index + mb_col] < 255) {
+ cpi->consec_zero_last_mvbias[map_index + mb_col] += 1;
+ }
+ } else {
+ cpi->consec_zero_last[map_index + mb_col] = 0;
+ cpi->consec_zero_last_mvbias[map_index + mb_col] = 0;
+ }
+ if (x->zero_last_dot_suppress) {
+ cpi->consec_zero_last_mvbias[map_index + mb_col] = 0;
+ }
+ }
+
+ /* Special case code for cyclic refresh
+ * If cyclic update enabled then copy
+ * xd->mbmi.segment_id; (which may have been updated
+ * based on mode during
+ * vp8cx_encode_inter_macroblock()) back into the
+ * global segmentation map
+ */
+ if ((cpi->current_layer == 0) &&
+ (cpi->cyclic_refresh_mode_enabled &&
+ xd->segmentation_enabled)) {
+ const MB_MODE_INFO *mbmi = &xd->mode_info_context->mbmi;
+ cpi->segmentation_map[map_index + mb_col] = mbmi->segment_id;
+
+ /* If the block has been refreshed mark it as clean
+ * (the magnitude of the -ve influences how long it
+ * will be before we consider another refresh):
+ * Else if it was coded (last frame 0,0) and has
+ * not already been refreshed then mark it as a
+ * candidate for cleanup next time (marked 0) else
+ * mark it as dirty (1).
+ */
+ if (mbmi->segment_id) {
+ cpi->cyclic_refresh_map[map_index + mb_col] = -1;
+ } else if ((mbmi->mode == ZEROMV) &&
+ (mbmi->ref_frame == LAST_FRAME)) {
+ if (cpi->cyclic_refresh_map[map_index + mb_col] == 1) {
+ cpi->cyclic_refresh_map[map_index + mb_col] = 0;
+ }
+ } else {
+ cpi->cyclic_refresh_map[map_index + mb_col] = 1;
+ }
+ }
+ }
+
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ /* pack tokens for this MB */
+ {
+ int tok_count = tp - tp_start;
+ vp8_pack_tokens(w, tp_start, tok_count);
+ }
+#else
+ cpi->tplist[mb_row].stop = tp;
+#endif
+ /* Increment pointer into gf usage flags structure. */
+ x->gf_active_ptr++;
+
+ /* Increment the activity mask pointers. */
+ x->mb_activity_ptr++;
+
+ /* adjust to the next column of macroblocks */
+ x->src.y_buffer += 16;
+ x->src.u_buffer += 8;
+ x->src.v_buffer += 8;
+
+ recon_yoffset += 16;
+ recon_uvoffset += 8;
+
+ /* Keep track of segment usage */
+ segment_counts[xd->mode_info_context->mbmi.segment_id]++;
+
+ /* skip to next mb */
+ xd->mode_info_context++;
+ x->partition_info++;
+ xd->above_context++;
+ }
+
+ vp8_extend_mb_row(&cm->yv12_fb[dst_fb_idx], xd->dst.y_buffer + 16,
+ xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);
+
+ vpx_atomic_store_release(current_mb_col, mb_col + nsync);
+
+ /* this is to account for the border */
+ xd->mode_info_context++;
+ x->partition_info++;
+
+ x->src.y_buffer +=
+ 16 * x->src.y_stride * (cpi->encoding_thread_count + 1) -
+ 16 * cm->mb_cols;
+ x->src.u_buffer +=
+ 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) -
+ 8 * cm->mb_cols;
+ x->src.v_buffer +=
+ 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) -
+ 8 * cm->mb_cols;
+
+ xd->mode_info_context +=
+ xd->mode_info_stride * cpi->encoding_thread_count;
+ x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count;
+ x->gf_active_ptr += cm->mb_cols * cpi->encoding_thread_count;
+ }
+ /* Signal that this thread has completed processing its rows. */
+ sem_post(&cpi->h_event_end_encoding[ithread]);
+ }
+ }
+
+ /* printf("exit thread %d\n", ithread); */
+ return 0;
+}
+
+static void setup_mbby_copy(MACROBLOCK *mbdst, MACROBLOCK *mbsrc) {
+ MACROBLOCK *x = mbsrc;
+ MACROBLOCK *z = mbdst;
+ int i;
+
+ z->ss = x->ss;
+ z->ss_count = x->ss_count;
+ z->searches_per_step = x->searches_per_step;
+ z->errorperbit = x->errorperbit;
+
+ z->sadperbit16 = x->sadperbit16;
+ z->sadperbit4 = x->sadperbit4;
+
+ /*
+ z->mv_col_min = x->mv_col_min;
+ z->mv_col_max = x->mv_col_max;
+ z->mv_row_min = x->mv_row_min;
+ z->mv_row_max = x->mv_row_max;
+ */
+
+ z->short_fdct4x4 = x->short_fdct4x4;
+ z->short_fdct8x4 = x->short_fdct8x4;
+ z->short_walsh4x4 = x->short_walsh4x4;
+ z->quantize_b = x->quantize_b;
+ z->optimize = x->optimize;
+
+ /*
+ z->mvc = x->mvc;
+ z->src.y_buffer = x->src.y_buffer;
+ z->src.u_buffer = x->src.u_buffer;
+ z->src.v_buffer = x->src.v_buffer;
+ */
+
+ z->mvcost[0] = x->mvcost[0];
+ z->mvcost[1] = x->mvcost[1];
+ z->mvsadcost[0] = x->mvsadcost[0];
+ z->mvsadcost[1] = x->mvsadcost[1];
+
+ z->token_costs = x->token_costs;
+ z->inter_bmode_costs = x->inter_bmode_costs;
+ z->mbmode_cost = x->mbmode_cost;
+ z->intra_uv_mode_cost = x->intra_uv_mode_cost;
+ z->bmode_costs = x->bmode_costs;
+
+ for (i = 0; i < 25; ++i) {
+ z->block[i].quant = x->block[i].quant;
+ z->block[i].quant_fast = x->block[i].quant_fast;
+ z->block[i].quant_shift = x->block[i].quant_shift;
+ z->block[i].zbin = x->block[i].zbin;
+ z->block[i].zrun_zbin_boost = x->block[i].zrun_zbin_boost;
+ z->block[i].round = x->block[i].round;
+ z->block[i].src_stride = x->block[i].src_stride;
+ }
+
+ z->q_index = x->q_index;
+ z->act_zbin_adj = x->act_zbin_adj;
+ z->last_act_zbin_adj = x->last_act_zbin_adj;
+
+ {
+ MACROBLOCKD *xd = &x->e_mbd;
+ MACROBLOCKD *zd = &z->e_mbd;
+
+ /*
+ zd->mode_info_context = xd->mode_info_context;
+ zd->mode_info = xd->mode_info;
+
+ zd->mode_info_stride = xd->mode_info_stride;
+ zd->frame_type = xd->frame_type;
+ zd->up_available = xd->up_available ;
+ zd->left_available = xd->left_available;
+ zd->left_context = xd->left_context;
+ zd->last_frame_dc = xd->last_frame_dc;
+ zd->last_frame_dccons = xd->last_frame_dccons;
+ zd->gold_frame_dc = xd->gold_frame_dc;
+ zd->gold_frame_dccons = xd->gold_frame_dccons;
+ zd->mb_to_left_edge = xd->mb_to_left_edge;
+ zd->mb_to_right_edge = xd->mb_to_right_edge;
+ zd->mb_to_top_edge = xd->mb_to_top_edge ;
+ zd->mb_to_bottom_edge = xd->mb_to_bottom_edge;
+ zd->gf_active_ptr = xd->gf_active_ptr;
+ zd->frames_since_golden = xd->frames_since_golden;
+ zd->frames_till_alt_ref_frame = xd->frames_till_alt_ref_frame;
+ */
+ zd->subpixel_predict = xd->subpixel_predict;
+ zd->subpixel_predict8x4 = xd->subpixel_predict8x4;
+ zd->subpixel_predict8x8 = xd->subpixel_predict8x8;
+ zd->subpixel_predict16x16 = xd->subpixel_predict16x16;
+ zd->segmentation_enabled = xd->segmentation_enabled;
+ zd->mb_segment_abs_delta = xd->mb_segment_abs_delta;
+ memcpy(zd->segment_feature_data, xd->segment_feature_data,
+ sizeof(xd->segment_feature_data));
+
+ memcpy(zd->dequant_y1_dc, xd->dequant_y1_dc, sizeof(xd->dequant_y1_dc));
+ memcpy(zd->dequant_y1, xd->dequant_y1, sizeof(xd->dequant_y1));
+ memcpy(zd->dequant_y2, xd->dequant_y2, sizeof(xd->dequant_y2));
+ memcpy(zd->dequant_uv, xd->dequant_uv, sizeof(xd->dequant_uv));
+
+#if 1
+ /*TODO: Remove dequant from BLOCKD. This is a temporary solution until
+ * the quantizer code uses a passed in pointer to the dequant constants.
+ * This will also require modifications to the x86 and neon assembly.
+ * */
+ for (i = 0; i < 16; ++i) zd->block[i].dequant = zd->dequant_y1;
+ for (i = 16; i < 24; ++i) zd->block[i].dequant = zd->dequant_uv;
+ zd->block[24].dequant = zd->dequant_y2;
+#endif
+
+ memcpy(z->rd_threshes, x->rd_threshes, sizeof(x->rd_threshes));
+ memcpy(z->rd_thresh_mult, x->rd_thresh_mult, sizeof(x->rd_thresh_mult));
+
+ z->zbin_over_quant = x->zbin_over_quant;
+ z->zbin_mode_boost_enabled = x->zbin_mode_boost_enabled;
+ z->zbin_mode_boost = x->zbin_mode_boost;
+
+ memset(z->error_bins, 0, sizeof(z->error_bins));
+ }
+}
+
+void vp8cx_init_mbrthread_data(VP8_COMP *cpi, MACROBLOCK *x,
+ MB_ROW_COMP *mbr_ei, int count) {
+ VP8_COMMON *const cm = &cpi->common;
+ MACROBLOCKD *const xd = &x->e_mbd;
+ int i;
+
+ for (i = 0; i < count; ++i) {
+ MACROBLOCK *mb = &mbr_ei[i].mb;
+ MACROBLOCKD *mbd = &mb->e_mbd;
+
+ mbd->subpixel_predict = xd->subpixel_predict;
+ mbd->subpixel_predict8x4 = xd->subpixel_predict8x4;
+ mbd->subpixel_predict8x8 = xd->subpixel_predict8x8;
+ mbd->subpixel_predict16x16 = xd->subpixel_predict16x16;
+ mb->gf_active_ptr = x->gf_active_ptr;
+
+ memset(mbr_ei[i].segment_counts, 0, sizeof(mbr_ei[i].segment_counts));
+ mbr_ei[i].totalrate = 0;
+
+ mb->partition_info = x->pi + x->e_mbd.mode_info_stride * (i + 1);
+
+ mbd->frame_type = cm->frame_type;
+
+ mb->src = *cpi->Source;
+ mbd->pre = cm->yv12_fb[cm->lst_fb_idx];
+ mbd->dst = cm->yv12_fb[cm->new_fb_idx];
+
+ mb->src.y_buffer += 16 * x->src.y_stride * (i + 1);
+ mb->src.u_buffer += 8 * x->src.uv_stride * (i + 1);
+ mb->src.v_buffer += 8 * x->src.uv_stride * (i + 1);
+
+ vp8_build_block_offsets(mb);
+
+ mbd->left_context = &cm->left_context;
+ mb->mvc = cm->fc.mvc;
+
+ setup_mbby_copy(&mbr_ei[i].mb, x);
+
+ mbd->fullpixel_mask = ~0;
+ if (cm->full_pixel) mbd->fullpixel_mask = ~7;
+
+ vp8_zero(mb->coef_counts);
+ vp8_zero(x->ymode_count);
+ mb->skip_true_count = 0;
+ vp8_zero(mb->MVcount);
+ mb->prediction_error = 0;
+ mb->intra_error = 0;
+ vp8_zero(mb->count_mb_ref_frame_usage);
+ mb->mbs_tested_so_far = 0;
+ mb->mbs_zero_last_dot_suppress = 0;
+ }
+}
+
+int vp8cx_create_encoder_threads(VP8_COMP *cpi) {
+ const VP8_COMMON *cm = &cpi->common;
+ int th_count = 0;
+
+ if (cm->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1) {
+ th_count = cpi->oxcf.multi_threaded - 1;
+
+ /* don't allocate more threads than cores available */
+ if (cpi->oxcf.multi_threaded > cm->processor_core_count) {
+ th_count = cm->processor_core_count - 1;
+ }
+
+ /* we have th_count + 1 (main) threads processing one row each */
+ /* no point to have more threads than the sync range allows */
+ if (th_count > ((cm->mb_cols / cpi->mt_sync_range) - 1)) {
+ th_count = (cm->mb_cols / cpi->mt_sync_range) - 1;
+ }
+ }
+ if (th_count == cpi->encoding_thread_count) return 0;
+
+ vp8cx_remove_encoder_threads(cpi);
+ if (th_count != 0) {
+ int ithread;
+ int rc = 0;
+
+ CHECK_MEM_ERROR(&cpi->common.error, cpi->h_encoding_thread,
+ vpx_malloc(sizeof(pthread_t) * th_count));
+ CHECK_MEM_ERROR(&cpi->common.error, cpi->h_event_start_encoding,
+ vpx_malloc(sizeof(sem_t) * th_count));
+ CHECK_MEM_ERROR(&cpi->common.error, cpi->h_event_end_encoding,
+ vpx_malloc(sizeof(sem_t) * th_count));
+ CHECK_MEM_ERROR(&cpi->common.error, cpi->mb_row_ei,
+ vpx_memalign(32, sizeof(MB_ROW_COMP) * th_count));
+ memset(cpi->mb_row_ei, 0, sizeof(MB_ROW_COMP) * th_count);
+ CHECK_MEM_ERROR(&cpi->common.error, cpi->en_thread_data,
+ vpx_malloc(sizeof(ENCODETHREAD_DATA) * th_count));
+
+ vpx_atomic_store_release(&cpi->b_multi_threaded, 1);
+ cpi->encoding_thread_count = th_count;
+
+ /*
+ printf("[VP8:] multi_threaded encoding is enabled with %d threads\n\n",
+ (cpi->encoding_thread_count +1));
+ */
+
+ for (ithread = 0; ithread < th_count; ++ithread) {
+ ENCODETHREAD_DATA *ethd = &cpi->en_thread_data[ithread];
+
+ /* Setup block ptrs and offsets */
+ vp8_setup_block_ptrs(&cpi->mb_row_ei[ithread].mb);
+ vp8_setup_block_dptrs(&cpi->mb_row_ei[ithread].mb.e_mbd);
+
+ sem_init(&cpi->h_event_start_encoding[ithread], 0, 0);
+ sem_init(&cpi->h_event_end_encoding[ithread], 0, 0);
+
+ ethd->ithread = ithread;
+ ethd->ptr1 = (void *)cpi;
+ ethd->ptr2 = (void *)&cpi->mb_row_ei[ithread];
+
+ rc = pthread_create(&cpi->h_encoding_thread[ithread], 0,
+ thread_encoding_proc, ethd);
+ if (rc) break;
+ }
+
+ if (rc) {
+ /* shutdown other threads */
+ vpx_atomic_store_release(&cpi->b_multi_threaded, 0);
+ for (--ithread; ithread >= 0; ithread--) {
+ sem_post(&cpi->h_event_start_encoding[ithread]);
+ sem_post(&cpi->h_event_end_encoding[ithread]);
+ pthread_join(cpi->h_encoding_thread[ithread], 0);
+ sem_destroy(&cpi->h_event_start_encoding[ithread]);
+ sem_destroy(&cpi->h_event_end_encoding[ithread]);
+ }
+
+ /* free thread related resources */
+ vpx_free(cpi->h_event_start_encoding);
+ cpi->h_event_start_encoding = NULL;
+ vpx_free(cpi->h_event_end_encoding);
+ cpi->h_event_end_encoding = NULL;
+ vpx_free(cpi->h_encoding_thread);
+ cpi->h_encoding_thread = NULL;
+ vpx_free(cpi->mb_row_ei);
+ cpi->mb_row_ei = NULL;
+ vpx_free(cpi->en_thread_data);
+ cpi->en_thread_data = NULL;
+ cpi->encoding_thread_count = 0;
+
+ return -1;
+ }
+
+ {
+ LPFTHREAD_DATA *lpfthd = &cpi->lpf_thread_data;
+
+ sem_init(&cpi->h_event_start_lpf, 0, 0);
+ sem_init(&cpi->h_event_end_lpf, 0, 0);
+
+ lpfthd->ptr1 = (void *)cpi;
+ rc = pthread_create(&cpi->h_filter_thread, 0, thread_loopfilter, lpfthd);
+
+ if (rc) {
+ /* shutdown other threads */
+ vpx_atomic_store_release(&cpi->b_multi_threaded, 0);
+ for (--ithread; ithread >= 0; ithread--) {
+ sem_post(&cpi->h_event_start_encoding[ithread]);
+ sem_post(&cpi->h_event_end_encoding[ithread]);
+ pthread_join(cpi->h_encoding_thread[ithread], 0);
+ sem_destroy(&cpi->h_event_start_encoding[ithread]);
+ sem_destroy(&cpi->h_event_end_encoding[ithread]);
+ }
+ sem_destroy(&cpi->h_event_end_lpf);
+ sem_destroy(&cpi->h_event_start_lpf);
+
+ /* free thread related resources */
+ vpx_free(cpi->h_event_start_encoding);
+ cpi->h_event_start_encoding = NULL;
+ vpx_free(cpi->h_event_end_encoding);
+ cpi->h_event_end_encoding = NULL;
+ vpx_free(cpi->h_encoding_thread);
+ cpi->h_encoding_thread = NULL;
+ vpx_free(cpi->mb_row_ei);
+ cpi->mb_row_ei = NULL;
+ vpx_free(cpi->en_thread_data);
+ cpi->en_thread_data = NULL;
+ cpi->encoding_thread_count = 0;
+
+ return -2;
+ }
+ }
+ }
+ return 0;
+}
+
+void vp8cx_remove_encoder_threads(VP8_COMP *cpi) {
+ if (vpx_atomic_load_acquire(&cpi->b_multi_threaded)) {
+ /* shutdown other threads */
+ vpx_atomic_store_release(&cpi->b_multi_threaded, 0);
+ {
+ int i;
+
+ for (i = 0; i < cpi->encoding_thread_count; ++i) {
+ sem_post(&cpi->h_event_start_encoding[i]);
+ sem_post(&cpi->h_event_end_encoding[i]);
+
+ pthread_join(cpi->h_encoding_thread[i], 0);
+
+ sem_destroy(&cpi->h_event_start_encoding[i]);
+ sem_destroy(&cpi->h_event_end_encoding[i]);
+ }
+
+ sem_post(&cpi->h_event_start_lpf);
+ pthread_join(cpi->h_filter_thread, 0);
+ }
+
+ sem_destroy(&cpi->h_event_end_lpf);
+ sem_destroy(&cpi->h_event_start_lpf);
+ cpi->b_lpf_running = 0;
+
+ /* free thread related resources */
+ vpx_free(cpi->mt_current_mb_col);
+ cpi->mt_current_mb_col = NULL;
+ cpi->mt_current_mb_col_size = 0;
+ vpx_free(cpi->h_event_start_encoding);
+ cpi->h_event_start_encoding = NULL;
+ vpx_free(cpi->h_event_end_encoding);
+ cpi->h_event_end_encoding = NULL;
+ vpx_free(cpi->h_encoding_thread);
+ cpi->h_encoding_thread = NULL;
+ vpx_free(cpi->mb_row_ei);
+ cpi->mb_row_ei = NULL;
+ vpx_free(cpi->en_thread_data);
+ cpi->en_thread_data = NULL;
+ cpi->encoding_thread_count = 0;
+ }
+}
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-06 16:18:04 +0000