| /* |
| * 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 "vpx_config.h" |
| #include "vp8_rtcd.h" |
| #if !defined(WIN32) && CONFIG_OS_SUPPORT == 1 |
| #include <unistd.h> |
| #endif |
| #include "onyxd_int.h" |
| #include "vpx_mem/vpx_mem.h" |
| #include "vp8/common/common.h" |
| #include "vp8/common/threading.h" |
| #include "vp8/common/loopfilter.h" |
| #include "vp8/common/extend.h" |
| #include "vpx_ports/vpx_timer.h" |
| #include "decoderthreading.h" |
| #include "detokenize.h" |
| #include "vp8/common/reconintra4x4.h" |
| #include "vp8/common/reconinter.h" |
| #include "vp8/common/reconintra.h" |
| #include "vp8/common/setupintrarecon.h" |
| #if CONFIG_ERROR_CONCEALMENT |
| #include "error_concealment.h" |
| #endif |
| |
| #define CALLOC_ARRAY(p, n) CHECK_MEM_ERROR((p), vpx_calloc(sizeof(*(p)), (n))) |
| #define CALLOC_ARRAY_ALIGNED(p, n, algn) \ |
| do { \ |
| CHECK_MEM_ERROR((p), vpx_memalign((algn), sizeof(*(p)) * (n))); \ |
| memset((p), 0, (n) * sizeof(*(p))); \ |
| } while (0) |
| |
| static void setup_decoding_thread_data(VP8D_COMP *pbi, MACROBLOCKD *xd, |
| MB_ROW_DEC *mbrd, int count) { |
| VP8_COMMON *const pc = &pbi->common; |
| int i; |
| |
| for (i = 0; i < count; ++i) { |
| MACROBLOCKD *mbd = &mbrd[i].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; |
| |
| mbd->frame_type = pc->frame_type; |
| mbd->pre = xd->pre; |
| mbd->dst = xd->dst; |
| |
| mbd->segmentation_enabled = xd->segmentation_enabled; |
| mbd->mb_segement_abs_delta = xd->mb_segement_abs_delta; |
| memcpy(mbd->segment_feature_data, xd->segment_feature_data, |
| sizeof(xd->segment_feature_data)); |
| |
| /*signed char ref_lf_deltas[MAX_REF_LF_DELTAS];*/ |
| memcpy(mbd->ref_lf_deltas, xd->ref_lf_deltas, sizeof(xd->ref_lf_deltas)); |
| /*signed char mode_lf_deltas[MAX_MODE_LF_DELTAS];*/ |
| memcpy(mbd->mode_lf_deltas, xd->mode_lf_deltas, sizeof(xd->mode_lf_deltas)); |
| /*unsigned char mode_ref_lf_delta_enabled; |
| unsigned char mode_ref_lf_delta_update;*/ |
| mbd->mode_ref_lf_delta_enabled = xd->mode_ref_lf_delta_enabled; |
| mbd->mode_ref_lf_delta_update = xd->mode_ref_lf_delta_update; |
| |
| mbd->current_bc = &pbi->mbc[0]; |
| |
| memcpy(mbd->dequant_y1_dc, xd->dequant_y1_dc, sizeof(xd->dequant_y1_dc)); |
| memcpy(mbd->dequant_y1, xd->dequant_y1, sizeof(xd->dequant_y1)); |
| memcpy(mbd->dequant_y2, xd->dequant_y2, sizeof(xd->dequant_y2)); |
| memcpy(mbd->dequant_uv, xd->dequant_uv, sizeof(xd->dequant_uv)); |
| |
| mbd->fullpixel_mask = 0xffffffff; |
| |
| if (pc->full_pixel) mbd->fullpixel_mask = 0xfffffff8; |
| } |
| |
| for (i = 0; i < pc->mb_rows; ++i) |
| vpx_atomic_store_release(&pbi->mt_current_mb_col[i], -1); |
| } |
| |
| static void mt_decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, |
| unsigned int mb_idx) { |
| MB_PREDICTION_MODE mode; |
| int i; |
| #if CONFIG_ERROR_CONCEALMENT |
| int corruption_detected = 0; |
| #else |
| (void)mb_idx; |
| #endif |
| |
| if (xd->mode_info_context->mbmi.mb_skip_coeff) { |
| vp8_reset_mb_tokens_context(xd); |
| } else if (!vp8dx_bool_error(xd->current_bc)) { |
| int eobtotal; |
| eobtotal = vp8_decode_mb_tokens(pbi, xd); |
| |
| /* Special case: Force the loopfilter to skip when eobtotal is zero */ |
| xd->mode_info_context->mbmi.mb_skip_coeff = (eobtotal == 0); |
| } |
| |
| mode = xd->mode_info_context->mbmi.mode; |
| |
| if (xd->segmentation_enabled) vp8_mb_init_dequantizer(pbi, xd); |
| |
| #if CONFIG_ERROR_CONCEALMENT |
| |
| if (pbi->ec_active) { |
| int throw_residual; |
| /* When we have independent partitions we can apply residual even |
| * though other partitions within the frame are corrupt. |
| */ |
| throw_residual = |
| (!pbi->independent_partitions && pbi->frame_corrupt_residual); |
| throw_residual = (throw_residual || vp8dx_bool_error(xd->current_bc)); |
| |
| if ((mb_idx >= pbi->mvs_corrupt_from_mb || throw_residual)) { |
| /* MB with corrupt residuals or corrupt mode/motion vectors. |
| * Better to use the predictor as reconstruction. |
| */ |
| pbi->frame_corrupt_residual = 1; |
| memset(xd->qcoeff, 0, sizeof(xd->qcoeff)); |
| |
| corruption_detected = 1; |
| |
| /* force idct to be skipped for B_PRED and use the |
| * prediction only for reconstruction |
| * */ |
| memset(xd->eobs, 0, 25); |
| } |
| } |
| #endif |
| |
| /* do prediction */ |
| if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) { |
| vp8_build_intra_predictors_mbuv_s( |
| xd, xd->recon_above[1], xd->recon_above[2], xd->recon_left[1], |
| xd->recon_left[2], xd->recon_left_stride[1], xd->dst.u_buffer, |
| xd->dst.v_buffer, xd->dst.uv_stride); |
| |
| if (mode != B_PRED) { |
| vp8_build_intra_predictors_mby_s( |
| xd, xd->recon_above[0], xd->recon_left[0], xd->recon_left_stride[0], |
| xd->dst.y_buffer, xd->dst.y_stride); |
| } else { |
| short *DQC = xd->dequant_y1; |
| int dst_stride = xd->dst.y_stride; |
| |
| /* clear out residual eob info */ |
| if (xd->mode_info_context->mbmi.mb_skip_coeff) memset(xd->eobs, 0, 25); |
| |
| intra_prediction_down_copy(xd, xd->recon_above[0] + 16); |
| |
| for (i = 0; i < 16; ++i) { |
| BLOCKD *b = &xd->block[i]; |
| unsigned char *dst = xd->dst.y_buffer + b->offset; |
| B_PREDICTION_MODE b_mode = xd->mode_info_context->bmi[i].as_mode; |
| unsigned char *Above; |
| unsigned char *yleft; |
| int left_stride; |
| unsigned char top_left; |
| |
| /*Caution: For some b_mode, it needs 8 pixels (4 above + 4 |
| * above-right).*/ |
| if (i < 4 && pbi->common.filter_level) { |
| Above = xd->recon_above[0] + b->offset; |
| } else { |
| Above = dst - dst_stride; |
| } |
| |
| if (i % 4 == 0 && pbi->common.filter_level) { |
| yleft = xd->recon_left[0] + i; |
| left_stride = 1; |
| } else { |
| yleft = dst - 1; |
| left_stride = dst_stride; |
| } |
| |
| if ((i == 4 || i == 8 || i == 12) && pbi->common.filter_level) { |
| top_left = *(xd->recon_left[0] + i - 1); |
| } else { |
| top_left = Above[-1]; |
| } |
| |
| vp8_intra4x4_predict(Above, yleft, left_stride, b_mode, dst, dst_stride, |
| top_left); |
| |
| if (xd->eobs[i]) { |
| if (xd->eobs[i] > 1) { |
| vp8_dequant_idct_add(b->qcoeff, DQC, dst, dst_stride); |
| } else { |
| vp8_dc_only_idct_add(b->qcoeff[0] * DQC[0], dst, dst_stride, dst, |
| dst_stride); |
| memset(b->qcoeff, 0, 2 * sizeof(b->qcoeff[0])); |
| } |
| } |
| } |
| } |
| } else { |
| vp8_build_inter_predictors_mb(xd); |
| } |
| |
| #if CONFIG_ERROR_CONCEALMENT |
| if (corruption_detected) { |
| return; |
| } |
| #endif |
| |
| if (!xd->mode_info_context->mbmi.mb_skip_coeff) { |
| /* dequantization and idct */ |
| if (mode != B_PRED) { |
| short *DQC = xd->dequant_y1; |
| |
| if (mode != SPLITMV) { |
| BLOCKD *b = &xd->block[24]; |
| |
| /* do 2nd order transform on the dc block */ |
| if (xd->eobs[24] > 1) { |
| vp8_dequantize_b(b, xd->dequant_y2); |
| |
| vp8_short_inv_walsh4x4(&b->dqcoeff[0], xd->qcoeff); |
| memset(b->qcoeff, 0, 16 * sizeof(b->qcoeff[0])); |
| } else { |
| b->dqcoeff[0] = b->qcoeff[0] * xd->dequant_y2[0]; |
| vp8_short_inv_walsh4x4_1(&b->dqcoeff[0], xd->qcoeff); |
| memset(b->qcoeff, 0, 2 * sizeof(b->qcoeff[0])); |
| } |
| |
| /* override the dc dequant constant in order to preserve the |
| * dc components |
| */ |
| DQC = xd->dequant_y1_dc; |
| } |
| |
| vp8_dequant_idct_add_y_block(xd->qcoeff, DQC, xd->dst.y_buffer, |
| xd->dst.y_stride, xd->eobs); |
| } |
| |
| vp8_dequant_idct_add_uv_block(xd->qcoeff + 16 * 16, xd->dequant_uv, |
| xd->dst.u_buffer, xd->dst.v_buffer, |
| xd->dst.uv_stride, xd->eobs + 16); |
| } |
| } |
| |
| static void mt_decode_mb_rows(VP8D_COMP *pbi, MACROBLOCKD *xd, |
| int start_mb_row) { |
| const vpx_atomic_int *last_row_current_mb_col; |
| vpx_atomic_int *current_mb_col; |
| int mb_row; |
| VP8_COMMON *pc = &pbi->common; |
| const int nsync = pbi->sync_range; |
| const vpx_atomic_int first_row_no_sync_above = |
| VPX_ATOMIC_INIT(pc->mb_cols + nsync); |
| int num_part = 1 << pbi->common.multi_token_partition; |
| int last_mb_row = start_mb_row; |
| |
| YV12_BUFFER_CONFIG *yv12_fb_new = pbi->dec_fb_ref[INTRA_FRAME]; |
| YV12_BUFFER_CONFIG *yv12_fb_lst = pbi->dec_fb_ref[LAST_FRAME]; |
| |
| int recon_y_stride = yv12_fb_new->y_stride; |
| int recon_uv_stride = yv12_fb_new->uv_stride; |
| |
| unsigned char *ref_buffer[MAX_REF_FRAMES][3]; |
| unsigned char *dst_buffer[3]; |
| int i; |
| int ref_fb_corrupted[MAX_REF_FRAMES]; |
| |
| ref_fb_corrupted[INTRA_FRAME] = 0; |
| |
| for (i = 1; i < MAX_REF_FRAMES; ++i) { |
| YV12_BUFFER_CONFIG *this_fb = pbi->dec_fb_ref[i]; |
| |
| ref_buffer[i][0] = this_fb->y_buffer; |
| ref_buffer[i][1] = this_fb->u_buffer; |
| ref_buffer[i][2] = this_fb->v_buffer; |
| |
| ref_fb_corrupted[i] = this_fb->corrupted; |
| } |
| |
| dst_buffer[0] = yv12_fb_new->y_buffer; |
| dst_buffer[1] = yv12_fb_new->u_buffer; |
| dst_buffer[2] = yv12_fb_new->v_buffer; |
| |
| xd->up_available = (start_mb_row != 0); |
| |
| xd->mode_info_context = pc->mi + pc->mode_info_stride * start_mb_row; |
| xd->mode_info_stride = pc->mode_info_stride; |
| |
| for (mb_row = start_mb_row; mb_row < pc->mb_rows; |
| mb_row += (pbi->decoding_thread_count + 1)) { |
| int recon_yoffset, recon_uvoffset; |
| int mb_col; |
| int filter_level; |
| loop_filter_info_n *lfi_n = &pc->lf_info; |
| |
| /* save last row processed by this thread */ |
| last_mb_row = mb_row; |
| /* select bool coder for current partition */ |
| xd->current_bc = &pbi->mbc[mb_row % num_part]; |
| |
| if (mb_row > 0) { |
| last_row_current_mb_col = &pbi->mt_current_mb_col[mb_row - 1]; |
| } else { |
| last_row_current_mb_col = &first_row_no_sync_above; |
| } |
| |
| current_mb_col = &pbi->mt_current_mb_col[mb_row]; |
| |
| recon_yoffset = mb_row * recon_y_stride * 16; |
| recon_uvoffset = mb_row * recon_uv_stride * 8; |
| |
| /* reset contexts */ |
| xd->above_context = pc->above_context; |
| memset(xd->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES)); |
| |
| xd->left_available = 0; |
| |
| xd->mb_to_top_edge = -((mb_row * 16) << 3); |
| xd->mb_to_bottom_edge = ((pc->mb_rows - 1 - mb_row) * 16) << 3; |
| |
| if (pbi->common.filter_level) { |
| xd->recon_above[0] = pbi->mt_yabove_row[mb_row] + 0 * 16 + 32; |
| xd->recon_above[1] = pbi->mt_uabove_row[mb_row] + 0 * 8 + 16; |
| xd->recon_above[2] = pbi->mt_vabove_row[mb_row] + 0 * 8 + 16; |
| |
| xd->recon_left[0] = pbi->mt_yleft_col[mb_row]; |
| xd->recon_left[1] = pbi->mt_uleft_col[mb_row]; |
| xd->recon_left[2] = pbi->mt_vleft_col[mb_row]; |
| |
| /* TODO: move to outside row loop */ |
| xd->recon_left_stride[0] = 1; |
| xd->recon_left_stride[1] = 1; |
| } else { |
| xd->recon_above[0] = dst_buffer[0] + recon_yoffset; |
| xd->recon_above[1] = dst_buffer[1] + recon_uvoffset; |
| xd->recon_above[2] = dst_buffer[2] + recon_uvoffset; |
| |
| xd->recon_left[0] = xd->recon_above[0] - 1; |
| xd->recon_left[1] = xd->recon_above[1] - 1; |
| xd->recon_left[2] = xd->recon_above[2] - 1; |
| |
| xd->recon_above[0] -= xd->dst.y_stride; |
| xd->recon_above[1] -= xd->dst.uv_stride; |
| xd->recon_above[2] -= xd->dst.uv_stride; |
| |
| /* TODO: move to outside row loop */ |
| xd->recon_left_stride[0] = xd->dst.y_stride; |
| xd->recon_left_stride[1] = xd->dst.uv_stride; |
| |
| setup_intra_recon_left(xd->recon_left[0], xd->recon_left[1], |
| xd->recon_left[2], xd->dst.y_stride, |
| xd->dst.uv_stride); |
| } |
| |
| for (mb_col = 0; mb_col < pc->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); |
| } |
| |
| /* Distance of MB to the various image edges. |
| * These are 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 = ((pc->mb_cols - 1 - mb_col) * 16) << 3; |
| |
| #if CONFIG_ERROR_CONCEALMENT |
| { |
| int corrupt_residual = |
| (!pbi->independent_partitions && pbi->frame_corrupt_residual) || |
| vp8dx_bool_error(xd->current_bc); |
| if (pbi->ec_active && |
| (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) && |
| corrupt_residual) { |
| /* We have an intra block with corrupt |
| * coefficients, better to conceal with an inter |
| * block. |
| * Interpolate MVs from neighboring MBs |
| * |
| * Note that for the first mb with corrupt |
| * residual in a frame, we might not discover |
| * that before decoding the residual. That |
| * happens after this check, and therefore no |
| * inter concealment will be done. |
| */ |
| vp8_interpolate_motion(xd, mb_row, mb_col, pc->mb_rows, pc->mb_cols); |
| } |
| } |
| #endif |
| |
| xd->dst.y_buffer = dst_buffer[0] + recon_yoffset; |
| xd->dst.u_buffer = dst_buffer[1] + recon_uvoffset; |
| xd->dst.v_buffer = dst_buffer[2] + recon_uvoffset; |
| |
| /* propagate errors from reference frames */ |
| xd->corrupted |= ref_fb_corrupted[xd->mode_info_context->mbmi.ref_frame]; |
| |
| if (xd->corrupted) { |
| // Move current decoding marcoblock to the end of row for all rows |
| // assigned to this thread, such that other threads won't be waiting. |
| for (; mb_row < pc->mb_rows; |
| mb_row += (pbi->decoding_thread_count + 1)) { |
| current_mb_col = &pbi->mt_current_mb_col[mb_row]; |
| vpx_atomic_store_release(current_mb_col, pc->mb_cols + nsync); |
| } |
| vpx_internal_error(&xd->error_info, VPX_CODEC_CORRUPT_FRAME, |
| "Corrupted reference frame"); |
| } |
| |
| if (xd->mode_info_context->mbmi.ref_frame >= LAST_FRAME) { |
| const MV_REFERENCE_FRAME ref = xd->mode_info_context->mbmi.ref_frame; |
| xd->pre.y_buffer = ref_buffer[ref][0] + recon_yoffset; |
| xd->pre.u_buffer = ref_buffer[ref][1] + recon_uvoffset; |
| xd->pre.v_buffer = ref_buffer[ref][2] + recon_uvoffset; |
| } else { |
| // ref_frame is INTRA_FRAME, pre buffer should not be used. |
| xd->pre.y_buffer = 0; |
| xd->pre.u_buffer = 0; |
| xd->pre.v_buffer = 0; |
| } |
| mt_decode_macroblock(pbi, xd, 0); |
| |
| xd->left_available = 1; |
| |
| /* check if the boolean decoder has suffered an error */ |
| xd->corrupted |= vp8dx_bool_error(xd->current_bc); |
| |
| xd->recon_above[0] += 16; |
| xd->recon_above[1] += 8; |
| xd->recon_above[2] += 8; |
| |
| if (!pbi->common.filter_level) { |
| xd->recon_left[0] += 16; |
| xd->recon_left[1] += 8; |
| xd->recon_left[2] += 8; |
| } |
| |
| if (pbi->common.filter_level) { |
| int skip_lf = (xd->mode_info_context->mbmi.mode != B_PRED && |
| xd->mode_info_context->mbmi.mode != SPLITMV && |
| xd->mode_info_context->mbmi.mb_skip_coeff); |
| |
| const int mode_index = |
| lfi_n->mode_lf_lut[xd->mode_info_context->mbmi.mode]; |
| const int seg = xd->mode_info_context->mbmi.segment_id; |
| const int ref_frame = xd->mode_info_context->mbmi.ref_frame; |
| |
| filter_level = lfi_n->lvl[seg][ref_frame][mode_index]; |
| |
| if (mb_row != pc->mb_rows - 1) { |
| /* Save decoded MB last row data for next-row decoding */ |
| memcpy((pbi->mt_yabove_row[mb_row + 1] + 32 + mb_col * 16), |
| (xd->dst.y_buffer + 15 * recon_y_stride), 16); |
| memcpy((pbi->mt_uabove_row[mb_row + 1] + 16 + mb_col * 8), |
| (xd->dst.u_buffer + 7 * recon_uv_stride), 8); |
| memcpy((pbi->mt_vabove_row[mb_row + 1] + 16 + mb_col * 8), |
| (xd->dst.v_buffer + 7 * recon_uv_stride), 8); |
| } |
| |
| /* save left_col for next MB decoding */ |
| if (mb_col != pc->mb_cols - 1) { |
| MODE_INFO *next = xd->mode_info_context + 1; |
| |
| if (next->mbmi.ref_frame == INTRA_FRAME) { |
| for (i = 0; i < 16; ++i) { |
| pbi->mt_yleft_col[mb_row][i] = |
| xd->dst.y_buffer[i * recon_y_stride + 15]; |
| } |
| for (i = 0; i < 8; ++i) { |
| pbi->mt_uleft_col[mb_row][i] = |
| xd->dst.u_buffer[i * recon_uv_stride + 7]; |
| pbi->mt_vleft_col[mb_row][i] = |
| xd->dst.v_buffer[i * recon_uv_stride + 7]; |
| } |
| } |
| } |
| |
| /* loopfilter on this macroblock. */ |
| if (filter_level) { |
| if (pc->filter_type == NORMAL_LOOPFILTER) { |
| loop_filter_info lfi; |
| FRAME_TYPE frame_type = pc->frame_type; |
| const int hev_index = lfi_n->hev_thr_lut[frame_type][filter_level]; |
| lfi.mblim = lfi_n->mblim[filter_level]; |
| lfi.blim = lfi_n->blim[filter_level]; |
| lfi.lim = lfi_n->lim[filter_level]; |
| lfi.hev_thr = lfi_n->hev_thr[hev_index]; |
| |
| if (mb_col > 0) |
| vp8_loop_filter_mbv(xd->dst.y_buffer, xd->dst.u_buffer, |
| xd->dst.v_buffer, recon_y_stride, |
| recon_uv_stride, &lfi); |
| |
| if (!skip_lf) |
| vp8_loop_filter_bv(xd->dst.y_buffer, xd->dst.u_buffer, |
| xd->dst.v_buffer, recon_y_stride, |
| recon_uv_stride, &lfi); |
| |
| /* don't apply across umv border */ |
| if (mb_row > 0) |
| vp8_loop_filter_mbh(xd->dst.y_buffer, xd->dst.u_buffer, |
| xd->dst.v_buffer, recon_y_stride, |
| recon_uv_stride, &lfi); |
| |
| if (!skip_lf) |
| vp8_loop_filter_bh(xd->dst.y_buffer, xd->dst.u_buffer, |
| xd->dst.v_buffer, recon_y_stride, |
| recon_uv_stride, &lfi); |
| } else { |
| if (mb_col > 0) |
| vp8_loop_filter_simple_mbv(xd->dst.y_buffer, recon_y_stride, |
| lfi_n->mblim[filter_level]); |
| |
| if (!skip_lf) |
| vp8_loop_filter_simple_bv(xd->dst.y_buffer, recon_y_stride, |
| lfi_n->blim[filter_level]); |
| |
| /* don't apply across umv border */ |
| if (mb_row > 0) |
| vp8_loop_filter_simple_mbh(xd->dst.y_buffer, recon_y_stride, |
| lfi_n->mblim[filter_level]); |
| |
| if (!skip_lf) |
| vp8_loop_filter_simple_bh(xd->dst.y_buffer, recon_y_stride, |
| lfi_n->blim[filter_level]); |
| } |
| } |
| } |
| |
| recon_yoffset += 16; |
| recon_uvoffset += 8; |
| |
| ++xd->mode_info_context; /* next mb */ |
| |
| xd->above_context++; |
| } |
| |
| /* adjust to the next row of mbs */ |
| if (pbi->common.filter_level) { |
| if (mb_row != pc->mb_rows - 1) { |
| int lasty = yv12_fb_lst->y_width + VP8BORDERINPIXELS; |
| int lastuv = (yv12_fb_lst->y_width >> 1) + (VP8BORDERINPIXELS >> 1); |
| |
| for (i = 0; i < 4; ++i) { |
| pbi->mt_yabove_row[mb_row + 1][lasty + i] = |
| pbi->mt_yabove_row[mb_row + 1][lasty - 1]; |
| pbi->mt_uabove_row[mb_row + 1][lastuv + i] = |
| pbi->mt_uabove_row[mb_row + 1][lastuv - 1]; |
| pbi->mt_vabove_row[mb_row + 1][lastuv + i] = |
| pbi->mt_vabove_row[mb_row + 1][lastuv - 1]; |
| } |
| } |
| } else { |
| vp8_extend_mb_row(yv12_fb_new, xd->dst.y_buffer + 16, |
| xd->dst.u_buffer + 8, xd->dst.v_buffer + 8); |
| } |
| |
| /* last MB of row is ready just after extension is done */ |
| vpx_atomic_store_release(current_mb_col, mb_col + nsync); |
| |
| ++xd->mode_info_context; /* skip prediction column */ |
| xd->up_available = 1; |
| |
| /* since we have multithread */ |
| xd->mode_info_context += xd->mode_info_stride * pbi->decoding_thread_count; |
| } |
| |
| /* signal end of decoding of current thread for current frame */ |
| if (last_mb_row + (int)pbi->decoding_thread_count + 1 >= pc->mb_rows) |
| sem_post(&pbi->h_event_end_decoding); |
| } |
| |
| static THREAD_FUNCTION thread_decoding_proc(void *p_data) { |
| int ithread = ((DECODETHREAD_DATA *)p_data)->ithread; |
| VP8D_COMP *pbi = (VP8D_COMP *)(((DECODETHREAD_DATA *)p_data)->ptr1); |
| MB_ROW_DEC *mbrd = (MB_ROW_DEC *)(((DECODETHREAD_DATA *)p_data)->ptr2); |
| ENTROPY_CONTEXT_PLANES mb_row_left_context; |
| |
| while (1) { |
| if (vpx_atomic_load_acquire(&pbi->b_multithreaded_rd) == 0) break; |
| |
| if (sem_wait(&pbi->h_event_start_decoding[ithread]) == 0) { |
| if (vpx_atomic_load_acquire(&pbi->b_multithreaded_rd) == 0) { |
| break; |
| } else { |
| MACROBLOCKD *xd = &mbrd->mbd; |
| xd->left_context = &mb_row_left_context; |
| if (setjmp(xd->error_info.jmp)) { |
| xd->error_info.setjmp = 0; |
| // Signal the end of decoding for current thread. |
| sem_post(&pbi->h_event_end_decoding); |
| continue; |
| } |
| xd->error_info.setjmp = 1; |
| mt_decode_mb_rows(pbi, xd, ithread + 1); |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| void vp8_decoder_create_threads(VP8D_COMP *pbi) { |
| int core_count = 0; |
| unsigned int ithread; |
| |
| vpx_atomic_init(&pbi->b_multithreaded_rd, 0); |
| pbi->allocated_decoding_thread_count = 0; |
| |
| /* limit decoding threads to the max number of token partitions */ |
| core_count = (pbi->max_threads > 8) ? 8 : pbi->max_threads; |
| |
| /* limit decoding threads to the available cores */ |
| if (core_count > pbi->common.processor_core_count) { |
| core_count = pbi->common.processor_core_count; |
| } |
| |
| if (core_count > 1) { |
| vpx_atomic_init(&pbi->b_multithreaded_rd, 1); |
| pbi->decoding_thread_count = core_count - 1; |
| |
| CALLOC_ARRAY(pbi->h_decoding_thread, pbi->decoding_thread_count); |
| CALLOC_ARRAY(pbi->h_event_start_decoding, pbi->decoding_thread_count); |
| CALLOC_ARRAY_ALIGNED(pbi->mb_row_di, pbi->decoding_thread_count, 32); |
| CALLOC_ARRAY(pbi->de_thread_data, pbi->decoding_thread_count); |
| |
| if (sem_init(&pbi->h_event_end_decoding, 0, 0)) { |
| vpx_internal_error(&pbi->common.error, VPX_CODEC_MEM_ERROR, |
| "Failed to initialize semaphore"); |
| } |
| |
| for (ithread = 0; ithread < pbi->decoding_thread_count; ++ithread) { |
| if (sem_init(&pbi->h_event_start_decoding[ithread], 0, 0)) break; |
| |
| vp8_setup_block_dptrs(&pbi->mb_row_di[ithread].mbd); |
| |
| pbi->de_thread_data[ithread].ithread = ithread; |
| pbi->de_thread_data[ithread].ptr1 = (void *)pbi; |
| pbi->de_thread_data[ithread].ptr2 = (void *)&pbi->mb_row_di[ithread]; |
| |
| if (pthread_create(&pbi->h_decoding_thread[ithread], 0, |
| thread_decoding_proc, &pbi->de_thread_data[ithread])) { |
| sem_destroy(&pbi->h_event_start_decoding[ithread]); |
| break; |
| } |
| } |
| |
| pbi->allocated_decoding_thread_count = ithread; |
| if (pbi->allocated_decoding_thread_count != |
| (int)pbi->decoding_thread_count) { |
| /* the remainder of cleanup cases will be handled in |
| * vp8_decoder_remove_threads(). */ |
| if (pbi->allocated_decoding_thread_count == 0) { |
| sem_destroy(&pbi->h_event_end_decoding); |
| } |
| vpx_internal_error(&pbi->common.error, VPX_CODEC_MEM_ERROR, |
| "Failed to create threads"); |
| } |
| } |
| } |
| |
| void vp8mt_de_alloc_temp_buffers(VP8D_COMP *pbi, int mb_rows) { |
| int i; |
| |
| vpx_free(pbi->mt_current_mb_col); |
| pbi->mt_current_mb_col = NULL; |
| |
| /* Free above_row buffers. */ |
| if (pbi->mt_yabove_row) { |
| for (i = 0; i < mb_rows; ++i) { |
| vpx_free(pbi->mt_yabove_row[i]); |
| pbi->mt_yabove_row[i] = NULL; |
| } |
| vpx_free(pbi->mt_yabove_row); |
| pbi->mt_yabove_row = NULL; |
| } |
| |
| if (pbi->mt_uabove_row) { |
| for (i = 0; i < mb_rows; ++i) { |
| vpx_free(pbi->mt_uabove_row[i]); |
| pbi->mt_uabove_row[i] = NULL; |
| } |
| vpx_free(pbi->mt_uabove_row); |
| pbi->mt_uabove_row = NULL; |
| } |
| |
| if (pbi->mt_vabove_row) { |
| for (i = 0; i < mb_rows; ++i) { |
| vpx_free(pbi->mt_vabove_row[i]); |
| pbi->mt_vabove_row[i] = NULL; |
| } |
| vpx_free(pbi->mt_vabove_row); |
| pbi->mt_vabove_row = NULL; |
| } |
| |
| /* Free left_col buffers. */ |
| if (pbi->mt_yleft_col) { |
| for (i = 0; i < mb_rows; ++i) { |
| vpx_free(pbi->mt_yleft_col[i]); |
| pbi->mt_yleft_col[i] = NULL; |
| } |
| vpx_free(pbi->mt_yleft_col); |
| pbi->mt_yleft_col = NULL; |
| } |
| |
| if (pbi->mt_uleft_col) { |
| for (i = 0; i < mb_rows; ++i) { |
| vpx_free(pbi->mt_uleft_col[i]); |
| pbi->mt_uleft_col[i] = NULL; |
| } |
| vpx_free(pbi->mt_uleft_col); |
| pbi->mt_uleft_col = NULL; |
| } |
| |
| if (pbi->mt_vleft_col) { |
| for (i = 0; i < mb_rows; ++i) { |
| vpx_free(pbi->mt_vleft_col[i]); |
| pbi->mt_vleft_col[i] = NULL; |
| } |
| vpx_free(pbi->mt_vleft_col); |
| pbi->mt_vleft_col = NULL; |
| } |
| } |
| |
| void vp8mt_alloc_temp_buffers(VP8D_COMP *pbi, int width, int prev_mb_rows) { |
| VP8_COMMON *const pc = &pbi->common; |
| int i; |
| int uv_width; |
| |
| if (vpx_atomic_load_acquire(&pbi->b_multithreaded_rd)) { |
| vp8mt_de_alloc_temp_buffers(pbi, prev_mb_rows); |
| |
| /* our internal buffers are always multiples of 16 */ |
| if ((width & 0xf) != 0) width += 16 - (width & 0xf); |
| |
| if (width < 640) { |
| pbi->sync_range = 1; |
| } else if (width <= 1280) { |
| pbi->sync_range = 8; |
| } else if (width <= 2560) { |
| pbi->sync_range = 16; |
| } else { |
| pbi->sync_range = 32; |
| } |
| |
| uv_width = width >> 1; |
| |
| /* Allocate a vpx_atomic_int for each mb row. */ |
| CHECK_MEM_ERROR(pbi->mt_current_mb_col, |
| vpx_malloc(sizeof(*pbi->mt_current_mb_col) * pc->mb_rows)); |
| for (i = 0; i < pc->mb_rows; ++i) |
| vpx_atomic_init(&pbi->mt_current_mb_col[i], 0); |
| |
| /* Allocate memory for above_row buffers. */ |
| CALLOC_ARRAY(pbi->mt_yabove_row, pc->mb_rows); |
| for (i = 0; i < pc->mb_rows; ++i) { |
| CHECK_MEM_ERROR(pbi->mt_yabove_row[i], |
| vpx_memalign(16, sizeof(unsigned char) * |
| (width + (VP8BORDERINPIXELS << 1)))); |
| vp8_zero_array(pbi->mt_yabove_row[i], width + (VP8BORDERINPIXELS << 1)); |
| } |
| |
| CALLOC_ARRAY(pbi->mt_uabove_row, pc->mb_rows); |
| for (i = 0; i < pc->mb_rows; ++i) { |
| CHECK_MEM_ERROR(pbi->mt_uabove_row[i], |
| vpx_memalign(16, sizeof(unsigned char) * |
| (uv_width + VP8BORDERINPIXELS))); |
| vp8_zero_array(pbi->mt_uabove_row[i], uv_width + VP8BORDERINPIXELS); |
| } |
| |
| CALLOC_ARRAY(pbi->mt_vabove_row, pc->mb_rows); |
| for (i = 0; i < pc->mb_rows; ++i) { |
| CHECK_MEM_ERROR(pbi->mt_vabove_row[i], |
| vpx_memalign(16, sizeof(unsigned char) * |
| (uv_width + VP8BORDERINPIXELS))); |
| vp8_zero_array(pbi->mt_vabove_row[i], uv_width + VP8BORDERINPIXELS); |
| } |
| |
| /* Allocate memory for left_col buffers. */ |
| CALLOC_ARRAY(pbi->mt_yleft_col, pc->mb_rows); |
| for (i = 0; i < pc->mb_rows; ++i) |
| CHECK_MEM_ERROR(pbi->mt_yleft_col[i], |
| vpx_calloc(sizeof(unsigned char) * 16, 1)); |
| |
| CALLOC_ARRAY(pbi->mt_uleft_col, pc->mb_rows); |
| for (i = 0; i < pc->mb_rows; ++i) |
| CHECK_MEM_ERROR(pbi->mt_uleft_col[i], |
| vpx_calloc(sizeof(unsigned char) * 8, 1)); |
| |
| CALLOC_ARRAY(pbi->mt_vleft_col, pc->mb_rows); |
| for (i = 0; i < pc->mb_rows; ++i) |
| CHECK_MEM_ERROR(pbi->mt_vleft_col[i], |
| vpx_calloc(sizeof(unsigned char) * 8, 1)); |
| } |
| } |
| |
| void vp8_decoder_remove_threads(VP8D_COMP *pbi) { |
| /* shutdown MB Decoding thread; */ |
| if (vpx_atomic_load_acquire(&pbi->b_multithreaded_rd)) { |
| int i; |
| vpx_atomic_store_release(&pbi->b_multithreaded_rd, 0); |
| |
| /* allow all threads to exit */ |
| for (i = 0; i < pbi->allocated_decoding_thread_count; ++i) { |
| sem_post(&pbi->h_event_start_decoding[i]); |
| pthread_join(pbi->h_decoding_thread[i], NULL); |
| } |
| |
| for (i = 0; i < pbi->allocated_decoding_thread_count; ++i) { |
| sem_destroy(&pbi->h_event_start_decoding[i]); |
| } |
| |
| if (pbi->allocated_decoding_thread_count) { |
| sem_destroy(&pbi->h_event_end_decoding); |
| } |
| |
| vpx_free(pbi->h_decoding_thread); |
| pbi->h_decoding_thread = NULL; |
| |
| vpx_free(pbi->h_event_start_decoding); |
| pbi->h_event_start_decoding = NULL; |
| |
| vpx_free(pbi->mb_row_di); |
| pbi->mb_row_di = NULL; |
| |
| vpx_free(pbi->de_thread_data); |
| pbi->de_thread_data = NULL; |
| |
| vp8mt_de_alloc_temp_buffers(pbi, pbi->common.mb_rows); |
| } |
| } |
| |
| int vp8mt_decode_mb_rows(VP8D_COMP *pbi, MACROBLOCKD *xd) { |
| VP8_COMMON *pc = &pbi->common; |
| unsigned int i; |
| int j; |
| |
| int filter_level = pc->filter_level; |
| YV12_BUFFER_CONFIG *yv12_fb_new = pbi->dec_fb_ref[INTRA_FRAME]; |
| |
| if (filter_level) { |
| /* Set above_row buffer to 127 for decoding first MB row */ |
| memset(pbi->mt_yabove_row[0] + VP8BORDERINPIXELS - 1, 127, |
| yv12_fb_new->y_width + 5); |
| memset(pbi->mt_uabove_row[0] + (VP8BORDERINPIXELS >> 1) - 1, 127, |
| (yv12_fb_new->y_width >> 1) + 5); |
| memset(pbi->mt_vabove_row[0] + (VP8BORDERINPIXELS >> 1) - 1, 127, |
| (yv12_fb_new->y_width >> 1) + 5); |
| |
| for (j = 1; j < pc->mb_rows; ++j) { |
| memset(pbi->mt_yabove_row[j] + VP8BORDERINPIXELS - 1, (unsigned char)129, |
| 1); |
| memset(pbi->mt_uabove_row[j] + (VP8BORDERINPIXELS >> 1) - 1, |
| (unsigned char)129, 1); |
| memset(pbi->mt_vabove_row[j] + (VP8BORDERINPIXELS >> 1) - 1, |
| (unsigned char)129, 1); |
| } |
| |
| /* Set left_col to 129 initially */ |
| for (j = 0; j < pc->mb_rows; ++j) { |
| memset(pbi->mt_yleft_col[j], (unsigned char)129, 16); |
| memset(pbi->mt_uleft_col[j], (unsigned char)129, 8); |
| memset(pbi->mt_vleft_col[j], (unsigned char)129, 8); |
| } |
| |
| /* Initialize the loop filter for this frame. */ |
| vp8_loop_filter_frame_init(pc, &pbi->mb, filter_level); |
| } else { |
| vp8_setup_intra_recon_top_line(yv12_fb_new); |
| } |
| |
| setup_decoding_thread_data(pbi, xd, pbi->mb_row_di, |
| pbi->decoding_thread_count); |
| |
| for (i = 0; i < pbi->decoding_thread_count; ++i) { |
| sem_post(&pbi->h_event_start_decoding[i]); |
| } |
| |
| if (setjmp(xd->error_info.jmp)) { |
| xd->error_info.setjmp = 0; |
| xd->corrupted = 1; |
| // Wait for other threads to finish. This prevents other threads decoding |
| // the current frame while the main thread starts decoding the next frame, |
| // which causes a data race. |
| for (i = 0; i < pbi->decoding_thread_count; ++i) |
| sem_wait(&pbi->h_event_end_decoding); |
| return -1; |
| } |
| |
| xd->error_info.setjmp = 1; |
| mt_decode_mb_rows(pbi, xd, 0); |
| |
| for (i = 0; i < pbi->decoding_thread_count + 1; ++i) |
| sem_wait(&pbi->h_event_end_decoding); /* add back for each frame */ |
| |
| return 0; |
| } |
