libavcodec/vdpau_vp9.c - manifest_repos/ffmpeg - Git at Google

 /*
  * 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 "internal.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,
 };
	/*
	* 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 "internal.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,
	};