mirror of https://git.ffmpeg.org/ffmpeg.git
243 lines
8.2 KiB
C
243 lines
8.2 KiB
C
/*
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* VP9 HW decode acceleration through VDPAU
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*
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* Copyright (c) 2019 Manoj Gupta Bonda
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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 Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <vdpau/vdpau.h>
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#include "libavutil/pixdesc.h"
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#include "avcodec.h"
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#include "internal.h"
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#include "vp9data.h"
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#include "vp9dec.h"
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#include "hwaccel.h"
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#include "vdpau.h"
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#include "vdpau_internal.h"
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static int vdpau_vp9_start_frame(AVCodecContext *avctx,
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const uint8_t *buffer, uint32_t size)
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{
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VP9Context *s = avctx->priv_data;
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VP9SharedContext *h = &(s->s);
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const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
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if (!pixdesc) {
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return AV_PIX_FMT_NONE;
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}
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VP9Frame pic = h->frames[CUR_FRAME];
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struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
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int i;
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VdpPictureInfoVP9 *info = &pic_ctx->info.vp9;
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info->width = avctx->width;
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info->height = avctx->height;
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/* fill LvPictureInfoVP9 struct */
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info->lastReference = VDP_INVALID_HANDLE;
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info->goldenReference = VDP_INVALID_HANDLE;
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info->altReference = VDP_INVALID_HANDLE;
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if (h->refs[h->h.refidx[0]].f && h->refs[h->h.refidx[0]].f->private_ref) {
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info->lastReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[0]].f);
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}
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if (h->refs[h->h.refidx[1]].f && h->refs[h->h.refidx[1]].f->private_ref) {
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info->goldenReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[1]].f);
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}
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if (h->refs[h->h.refidx[2]].f && h->refs[h->h.refidx[2]].f->private_ref) {
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info->altReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[2]].f);
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}
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info->profile = h->h.profile;
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info->frameContextIdx = h->h.framectxid;
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info->keyFrame = h->h.keyframe;
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info->showFrame = !h->h.invisible;
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info->errorResilient = h->h.errorres;
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info->frameParallelDecoding = h->h.parallelmode;
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info->subSamplingX = pixdesc->log2_chroma_w;
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info->subSamplingY = pixdesc->log2_chroma_h;
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info->intraOnly = h->h.intraonly;
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info->allowHighPrecisionMv = h->h.keyframe ? 0 : h->h.highprecisionmvs;
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info->refreshEntropyProbs = h->h.refreshctx;
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info->bitDepthMinus8Luma = pixdesc->comp[0].depth - 8;
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info->bitDepthMinus8Chroma = pixdesc->comp[1].depth - 8;
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info->loopFilterLevel = h->h.filter.level;
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info->loopFilterSharpness = h->h.filter.sharpness;
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info->modeRefLfEnabled = h->h.lf_delta.enabled;
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info->log2TileColumns = h->h.tiling.log2_tile_cols;
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info->log2TileRows = h->h.tiling.log2_tile_rows;
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info->segmentEnabled = h->h.segmentation.enabled;
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info->segmentMapUpdate = h->h.segmentation.update_map;
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info->segmentMapTemporalUpdate = h->h.segmentation.temporal;
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info->segmentFeatureMode = h->h.segmentation.absolute_vals;
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info->qpYAc = h->h.yac_qi;
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info->qpYDc = h->h.ydc_qdelta;
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info->qpChDc = h->h.uvdc_qdelta;
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info->qpChAc = h->h.uvac_qdelta;
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info->resetFrameContext = h->h.resetctx;
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info->mcompFilterType = h->h.filtermode ^ (h->h.filtermode <= 1);
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info->uncompressedHeaderSize = h->h.uncompressed_header_size;
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info->compressedHeaderSize = h->h.compressed_header_size;
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info->refFrameSignBias[0] = 0;
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for (i = 0; i < FF_ARRAY_ELEMS(info->mbModeLfDelta); i++)
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info->mbModeLfDelta[i] = h->h.lf_delta.mode[i];
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for (i = 0; i < FF_ARRAY_ELEMS(info->mbRefLfDelta); i++)
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info->mbRefLfDelta[i] = h->h.lf_delta.ref[i];
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for (i = 0; i < FF_ARRAY_ELEMS(info->mbSegmentTreeProbs); i++)
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info->mbSegmentTreeProbs[i] = h->h.segmentation.prob[i];
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for (i = 0; i < FF_ARRAY_ELEMS(info->activeRefIdx); i++) {
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info->activeRefIdx[i] = h->h.refidx[i];
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info->segmentPredProbs[i] = h->h.segmentation.pred_prob[i];
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info->refFrameSignBias[i + 1] = h->h.signbias[i];
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}
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for (i = 0; i < FF_ARRAY_ELEMS(info->segmentFeatureEnable); i++) {
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info->segmentFeatureEnable[i][0] = h->h.segmentation.feat[i].q_enabled;
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info->segmentFeatureEnable[i][1] = h->h.segmentation.feat[i].lf_enabled;
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info->segmentFeatureEnable[i][2] = h->h.segmentation.feat[i].ref_enabled;
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info->segmentFeatureEnable[i][3] = h->h.segmentation.feat[i].skip_enabled;
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info->segmentFeatureData[i][0] = h->h.segmentation.feat[i].q_val;
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info->segmentFeatureData[i][1] = h->h.segmentation.feat[i].lf_val;
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info->segmentFeatureData[i][2] = h->h.segmentation.feat[i].ref_val;
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info->segmentFeatureData[i][3] = 0;
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}
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switch (avctx->colorspace) {
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default:
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case AVCOL_SPC_UNSPECIFIED:
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info->colorSpace = 0;
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break;
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case AVCOL_SPC_BT470BG:
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info->colorSpace = 1;
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break;
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case AVCOL_SPC_BT709:
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info->colorSpace = 2;
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break;
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case AVCOL_SPC_SMPTE170M:
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info->colorSpace = 3;
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break;
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case AVCOL_SPC_SMPTE240M:
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info->colorSpace = 4;
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break;
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case AVCOL_SPC_BT2020_NCL:
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info->colorSpace = 5;
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break;
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case AVCOL_SPC_RESERVED:
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info->colorSpace = 6;
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break;
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case AVCOL_SPC_RGB:
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info->colorSpace = 7;
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break;
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}
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return ff_vdpau_common_start_frame(pic_ctx, buffer, size);
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}
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static const uint8_t start_code_prefix[3] = { 0x00, 0x00, 0x01 };
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static int vdpau_vp9_decode_slice(AVCodecContext *avctx,
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const uint8_t *buffer, uint32_t size)
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{
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VP9SharedContext *h = avctx->priv_data;
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VP9Frame pic = h->frames[CUR_FRAME];
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struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
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int val;
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val = ff_vdpau_add_buffer(pic_ctx, start_code_prefix, 3);
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if (val)
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return val;
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val = ff_vdpau_add_buffer(pic_ctx, buffer, size);
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if (val)
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return val;
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return 0;
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}
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static int vdpau_vp9_end_frame(AVCodecContext *avctx)
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{
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VP9SharedContext *h = avctx->priv_data;
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VP9Frame pic = h->frames[CUR_FRAME];
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struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
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int val;
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val = ff_vdpau_common_end_frame(avctx, pic.tf.f, pic_ctx);
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if (val < 0)
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return val;
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return 0;
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}
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static int vdpau_vp9_init(AVCodecContext *avctx)
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{
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VdpDecoderProfile profile;
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uint32_t level = avctx->level;
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switch (avctx->profile) {
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case FF_PROFILE_VP9_0:
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profile = VDP_DECODER_PROFILE_VP9_PROFILE_0;
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break;
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case FF_PROFILE_VP9_1:
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profile = VDP_DECODER_PROFILE_VP9_PROFILE_1;
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break;
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case FF_PROFILE_VP9_2:
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profile = VDP_DECODER_PROFILE_VP9_PROFILE_2;
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break;
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case FF_PROFILE_VP9_3:
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profile = VDP_DECODER_PROFILE_VP9_PROFILE_3;
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break;
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default:
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return AVERROR(ENOTSUP);
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}
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return ff_vdpau_common_init(avctx, profile, level);
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}
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const AVHWAccel ff_vp9_vdpau_hwaccel = {
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.name = "vp9_vdpau",
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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_VDPAU,
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.start_frame = vdpau_vp9_start_frame,
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.end_frame = vdpau_vp9_end_frame,
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.decode_slice = vdpau_vp9_decode_slice,
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.frame_priv_data_size = sizeof(struct vdpau_picture_context),
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.init = vdpau_vp9_init,
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.uninit = ff_vdpau_common_uninit,
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.frame_params = ff_vdpau_common_frame_params,
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.priv_data_size = sizeof(VDPAUContext),
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.caps_internal = HWACCEL_CAP_ASYNC_SAFE,
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};
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