mirror of https://github.com/FFmpeg/FFmpeg.git
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>pull/167/head
Timo Rothenpieler
9 years ago
parent
b18230ee8c
commit
d7c2b75681
7 changed files with 179 additions and 2 deletions
@ -0,0 +1,168 @@ |
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/*
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* VP9 HW decode acceleration through VA API |
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* |
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* Copyright (C) 2015 Timo Rothenpieler <timo@rothenpieler.org> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/pixdesc.h" |
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#include "vaapi_internal.h" |
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#include "vp9.h" |
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static void fill_picture_parameters(AVCodecContext *avctx, |
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const VP9SharedContext *h, |
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VADecPictureParameterBufferVP9 *pp) |
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{ |
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const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt); |
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int i; |
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pp->frame_width = avctx->width; |
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pp->frame_height = avctx->height; |
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pp->frame_header_length_in_bytes = h->h.uncompressed_header_size; |
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pp->first_partition_size = h->h.compressed_header_size; |
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pp->profile = h->h.profile; |
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pp->filter_level = h->h.filter.level; |
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pp->sharpness_level = h->h.filter.sharpness; |
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pp->log2_tile_rows = h->h.tiling.log2_tile_rows; |
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pp->log2_tile_columns = h->h.tiling.log2_tile_cols; |
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pp->pic_fields.bits.subsampling_x = pixdesc->log2_chroma_w; |
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pp->pic_fields.bits.subsampling_y = pixdesc->log2_chroma_h; |
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pp->pic_fields.bits.frame_type = !h->h.keyframe; |
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pp->pic_fields.bits.show_frame = !h->h.invisible; |
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pp->pic_fields.bits.error_resilient_mode = h->h.errorres; |
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pp->pic_fields.bits.intra_only = h->h.intraonly; |
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pp->pic_fields.bits.allow_high_precision_mv = h->h.keyframe ? 0 : h->h.highprecisionmvs; |
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pp->pic_fields.bits.mcomp_filter_type = h->h.filtermode ^ (h->h.filtermode <= 1); |
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pp->pic_fields.bits.frame_parallel_decoding_mode = h->h.parallelmode; |
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pp->pic_fields.bits.reset_frame_context = h->h.resetctx; |
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pp->pic_fields.bits.refresh_frame_context = h->h.refreshctx; |
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pp->pic_fields.bits.frame_context_idx = h->h.framectxid; |
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pp->pic_fields.bits.segmentation_enabled = h->h.segmentation.enabled; |
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pp->pic_fields.bits.segmentation_temporal_update = h->h.segmentation.temporal; |
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pp->pic_fields.bits.segmentation_update_map = h->h.segmentation.update_map; |
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pp->pic_fields.bits.last_ref_frame = h->h.refidx[0]; |
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pp->pic_fields.bits.last_ref_frame_sign_bias = h->h.signbias[0]; |
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pp->pic_fields.bits.golden_ref_frame = h->h.refidx[1]; |
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pp->pic_fields.bits.golden_ref_frame_sign_bias = h->h.signbias[1]; |
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pp->pic_fields.bits.alt_ref_frame = h->h.refidx[2]; |
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pp->pic_fields.bits.alt_ref_frame_sign_bias = h->h.signbias[2]; |
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pp->pic_fields.bits.lossless_flag = h->h.lossless; |
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for (i = 0; i < 7; i++) |
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pp->mb_segment_tree_probs[i] = h->h.segmentation.prob[i]; |
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if (h->h.segmentation.temporal) { |
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for (i = 0; i < 3; i++) |
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pp->segment_pred_probs[i] = h->h.segmentation.pred_prob[i]; |
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} else { |
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memset(pp->segment_pred_probs, 255, sizeof(pp->segment_pred_probs)); |
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} |
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for (i = 0; i < 8; i++) { |
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if (h->refs[i].f->buf[0]) { |
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pp->reference_frames[i] = ff_vaapi_get_surface_id(h->refs[i].f); |
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} else { |
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pp->reference_frames[i] = VA_INVALID_ID; |
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} |
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} |
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} |
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static int vaapi_vp9_start_frame(AVCodecContext *avctx, |
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av_unused const uint8_t *buffer, |
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av_unused uint32_t size) |
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{ |
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const VP9SharedContext *h = avctx->priv_data; |
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FFVAContext * const vactx = ff_vaapi_get_context(avctx); |
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VADecPictureParameterBufferVP9 *pic_param; |
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vactx->slice_param_size = sizeof(VASliceParameterBufferVP9); |
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pic_param = ff_vaapi_alloc_pic_param(vactx, sizeof(VADecPictureParameterBufferVP9)); |
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if (!pic_param) |
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return -1; |
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fill_picture_parameters(avctx, h, pic_param); |
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return 0; |
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} |
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static int vaapi_vp9_end_frame(AVCodecContext *avctx) |
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{ |
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FFVAContext * const vactx = ff_vaapi_get_context(avctx); |
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const VP9SharedContext *h = avctx->priv_data; |
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int ret; |
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ret = ff_vaapi_commit_slices(vactx); |
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if (ret < 0) |
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goto finish; |
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ret = ff_vaapi_render_picture(vactx, ff_vaapi_get_surface_id(h->frames[CUR_FRAME].tf.f)); |
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if (ret < 0) |
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goto finish; |
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finish: |
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ff_vaapi_common_end_frame(avctx); |
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return ret; |
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} |
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static int vaapi_vp9_decode_slice(AVCodecContext *avctx, |
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const uint8_t *buffer, |
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uint32_t size) |
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{ |
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FFVAContext * const vactx = ff_vaapi_get_context(avctx); |
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const VP9SharedContext *h = avctx->priv_data; |
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VASliceParameterBufferVP9 *slice_param; |
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int i; |
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slice_param = (VASliceParameterBufferVP9*)ff_vaapi_alloc_slice(vactx, buffer, size); |
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if (!slice_param) |
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return -1; |
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for (i = 0; i < 8; i++) { |
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slice_param->seg_param[i].segment_flags.fields.segment_reference_enabled = h->h.segmentation.feat[i].ref_enabled; |
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slice_param->seg_param[i].segment_flags.fields.segment_reference = h->h.segmentation.feat[i].ref_val; |
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slice_param->seg_param[i].segment_flags.fields.segment_reference_skipped = h->h.segmentation.feat[i].skip_enabled; |
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memcpy(slice_param->seg_param[i].filter_level, h->h.segmentation.feat[i].lflvl, sizeof(slice_param->seg_param[i].filter_level)); |
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slice_param->seg_param[i].luma_dc_quant_scale = h->h.segmentation.feat[i].qmul[0][0]; |
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slice_param->seg_param[i].luma_ac_quant_scale = h->h.segmentation.feat[i].qmul[0][1]; |
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slice_param->seg_param[i].chroma_dc_quant_scale = h->h.segmentation.feat[i].qmul[1][0]; |
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slice_param->seg_param[i].chroma_ac_quant_scale = h->h.segmentation.feat[i].qmul[1][1]; |
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} |
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return 0; |
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} |
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AVHWAccel ff_vp9_vaapi_hwaccel = { |
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.name = "vp9_vaapi", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.id = AV_CODEC_ID_VP9, |
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.pix_fmt = AV_PIX_FMT_VAAPI, |
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.start_frame = vaapi_vp9_start_frame, |
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.end_frame = vaapi_vp9_end_frame, |
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.decode_slice = vaapi_vp9_decode_slice, |
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.init = ff_vaapi_context_init, |
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.uninit = ff_vaapi_context_fini, |
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.priv_data_size = sizeof(FFVAContext), |
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}; |
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