mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-27 01:42:20 +00:00
241 lines
8.2 KiB
C
241 lines
8.2 KiB
C
/*
|
|
* VP9 HW decode acceleration through VDPAU
|
|
*
|
|
* Copyright (c) 2019 Manoj Gupta Bonda
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <vdpau/vdpau.h>
|
|
#include "libavutil/pixdesc.h"
|
|
#include "avcodec.h"
|
|
#include "vp9data.h"
|
|
#include "vp9dec.h"
|
|
#include "hwconfig.h"
|
|
#include "vdpau.h"
|
|
#include "vdpau_internal.h"
|
|
|
|
static int vdpau_vp9_start_frame(AVCodecContext *avctx,
|
|
const uint8_t *buffer, uint32_t size)
|
|
{
|
|
VP9Context *s = avctx->priv_data;
|
|
VP9SharedContext *h = &(s->s);
|
|
VP9Frame pic = h->frames[CUR_FRAME];
|
|
struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
|
|
int i;
|
|
|
|
VdpPictureInfoVP9 *info = &pic_ctx->info.vp9;
|
|
const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
|
|
if (!pixdesc) {
|
|
return AV_PIX_FMT_NONE;
|
|
}
|
|
|
|
info->width = avctx->width;
|
|
info->height = avctx->height;
|
|
/* fill LvPictureInfoVP9 struct */
|
|
info->lastReference = VDP_INVALID_HANDLE;
|
|
info->goldenReference = VDP_INVALID_HANDLE;
|
|
info->altReference = VDP_INVALID_HANDLE;
|
|
|
|
if (h->refs[h->h.refidx[0]].f && h->refs[h->h.refidx[0]].f->private_ref) {
|
|
info->lastReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[0]].f);
|
|
}
|
|
if (h->refs[h->h.refidx[1]].f && h->refs[h->h.refidx[1]].f->private_ref) {
|
|
info->goldenReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[1]].f);
|
|
}
|
|
if (h->refs[h->h.refidx[2]].f && h->refs[h->h.refidx[2]].f->private_ref) {
|
|
info->altReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[2]].f);
|
|
}
|
|
|
|
info->profile = h->h.profile;
|
|
info->frameContextIdx = h->h.framectxid;
|
|
info->keyFrame = h->h.keyframe;
|
|
info->showFrame = !h->h.invisible;
|
|
info->errorResilient = h->h.errorres;
|
|
info->frameParallelDecoding = h->h.parallelmode;
|
|
|
|
info->subSamplingX = pixdesc->log2_chroma_w;
|
|
info->subSamplingY = pixdesc->log2_chroma_h;
|
|
|
|
info->intraOnly = h->h.intraonly;
|
|
info->allowHighPrecisionMv = h->h.keyframe ? 0 : h->h.highprecisionmvs;
|
|
info->refreshEntropyProbs = h->h.refreshctx;
|
|
|
|
info->bitDepthMinus8Luma = pixdesc->comp[0].depth - 8;
|
|
info->bitDepthMinus8Chroma = pixdesc->comp[1].depth - 8;
|
|
|
|
info->loopFilterLevel = h->h.filter.level;
|
|
info->loopFilterSharpness = h->h.filter.sharpness;
|
|
info->modeRefLfEnabled = h->h.lf_delta.enabled;
|
|
|
|
info->log2TileColumns = h->h.tiling.log2_tile_cols;
|
|
info->log2TileRows = h->h.tiling.log2_tile_rows;
|
|
|
|
info->segmentEnabled = h->h.segmentation.enabled;
|
|
info->segmentMapUpdate = h->h.segmentation.update_map;
|
|
info->segmentMapTemporalUpdate = h->h.segmentation.temporal;
|
|
info->segmentFeatureMode = h->h.segmentation.absolute_vals;
|
|
|
|
info->qpYAc = h->h.yac_qi;
|
|
info->qpYDc = h->h.ydc_qdelta;
|
|
info->qpChDc = h->h.uvdc_qdelta;
|
|
info->qpChAc = h->h.uvac_qdelta;
|
|
|
|
info->resetFrameContext = h->h.resetctx;
|
|
info->mcompFilterType = h->h.filtermode ^ (h->h.filtermode <= 1);
|
|
info->uncompressedHeaderSize = h->h.uncompressed_header_size;
|
|
info->compressedHeaderSize = h->h.compressed_header_size;
|
|
info->refFrameSignBias[0] = 0;
|
|
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(info->mbModeLfDelta); i++)
|
|
info->mbModeLfDelta[i] = h->h.lf_delta.mode[i];
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(info->mbRefLfDelta); i++)
|
|
info->mbRefLfDelta[i] = h->h.lf_delta.ref[i];
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(info->mbSegmentTreeProbs); i++)
|
|
info->mbSegmentTreeProbs[i] = h->h.segmentation.prob[i];
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(info->activeRefIdx); i++) {
|
|
info->activeRefIdx[i] = h->h.refidx[i];
|
|
info->segmentPredProbs[i] = h->h.segmentation.pred_prob[i];
|
|
info->refFrameSignBias[i + 1] = h->h.signbias[i];
|
|
}
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(info->segmentFeatureEnable); i++) {
|
|
info->segmentFeatureEnable[i][0] = h->h.segmentation.feat[i].q_enabled;
|
|
info->segmentFeatureEnable[i][1] = h->h.segmentation.feat[i].lf_enabled;
|
|
info->segmentFeatureEnable[i][2] = h->h.segmentation.feat[i].ref_enabled;
|
|
info->segmentFeatureEnable[i][3] = h->h.segmentation.feat[i].skip_enabled;
|
|
|
|
info->segmentFeatureData[i][0] = h->h.segmentation.feat[i].q_val;
|
|
info->segmentFeatureData[i][1] = h->h.segmentation.feat[i].lf_val;
|
|
info->segmentFeatureData[i][2] = h->h.segmentation.feat[i].ref_val;
|
|
info->segmentFeatureData[i][3] = 0;
|
|
}
|
|
|
|
switch (avctx->colorspace) {
|
|
default:
|
|
case AVCOL_SPC_UNSPECIFIED:
|
|
info->colorSpace = 0;
|
|
break;
|
|
case AVCOL_SPC_BT470BG:
|
|
info->colorSpace = 1;
|
|
break;
|
|
case AVCOL_SPC_BT709:
|
|
info->colorSpace = 2;
|
|
break;
|
|
case AVCOL_SPC_SMPTE170M:
|
|
info->colorSpace = 3;
|
|
break;
|
|
case AVCOL_SPC_SMPTE240M:
|
|
info->colorSpace = 4;
|
|
break;
|
|
case AVCOL_SPC_BT2020_NCL:
|
|
info->colorSpace = 5;
|
|
break;
|
|
case AVCOL_SPC_RESERVED:
|
|
info->colorSpace = 6;
|
|
break;
|
|
case AVCOL_SPC_RGB:
|
|
info->colorSpace = 7;
|
|
break;
|
|
}
|
|
|
|
return ff_vdpau_common_start_frame(pic_ctx, buffer, size);
|
|
|
|
}
|
|
|
|
static const uint8_t start_code_prefix[3] = { 0x00, 0x00, 0x01 };
|
|
|
|
static int vdpau_vp9_decode_slice(AVCodecContext *avctx,
|
|
const uint8_t *buffer, uint32_t size)
|
|
{
|
|
VP9SharedContext *h = avctx->priv_data;
|
|
VP9Frame pic = h->frames[CUR_FRAME];
|
|
struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
|
|
|
|
int val;
|
|
|
|
val = ff_vdpau_add_buffer(pic_ctx, start_code_prefix, 3);
|
|
if (val)
|
|
return val;
|
|
|
|
val = ff_vdpau_add_buffer(pic_ctx, buffer, size);
|
|
if (val)
|
|
return val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vdpau_vp9_end_frame(AVCodecContext *avctx)
|
|
{
|
|
VP9SharedContext *h = avctx->priv_data;
|
|
VP9Frame pic = h->frames[CUR_FRAME];
|
|
struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
|
|
|
|
int val;
|
|
|
|
val = ff_vdpau_common_end_frame(avctx, pic.tf.f, pic_ctx);
|
|
if (val < 0)
|
|
return val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vdpau_vp9_init(AVCodecContext *avctx)
|
|
{
|
|
VdpDecoderProfile profile;
|
|
uint32_t level = avctx->level;
|
|
|
|
switch (avctx->profile) {
|
|
case FF_PROFILE_VP9_0:
|
|
profile = VDP_DECODER_PROFILE_VP9_PROFILE_0;
|
|
break;
|
|
case FF_PROFILE_VP9_1:
|
|
profile = VDP_DECODER_PROFILE_VP9_PROFILE_1;
|
|
break;
|
|
case FF_PROFILE_VP9_2:
|
|
profile = VDP_DECODER_PROFILE_VP9_PROFILE_2;
|
|
break;
|
|
case FF_PROFILE_VP9_3:
|
|
profile = VDP_DECODER_PROFILE_VP9_PROFILE_3;
|
|
break;
|
|
default:
|
|
return AVERROR(ENOTSUP);
|
|
}
|
|
|
|
return ff_vdpau_common_init(avctx, profile, level);
|
|
}
|
|
|
|
const AVHWAccel ff_vp9_vdpau_hwaccel = {
|
|
.name = "vp9_vdpau",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_VP9,
|
|
.pix_fmt = AV_PIX_FMT_VDPAU,
|
|
.start_frame = vdpau_vp9_start_frame,
|
|
.end_frame = vdpau_vp9_end_frame,
|
|
.decode_slice = vdpau_vp9_decode_slice,
|
|
.frame_priv_data_size = sizeof(struct vdpau_picture_context),
|
|
.init = vdpau_vp9_init,
|
|
.uninit = ff_vdpau_common_uninit,
|
|
.frame_params = ff_vdpau_common_frame_params,
|
|
.priv_data_size = sizeof(VDPAUContext),
|
|
.caps_internal = HWACCEL_CAP_ASYNC_SAFE,
|
|
};
|