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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00

lavc/vaapi_hevc: add function to find exact va_profile for REXT

Add vaapi_parse_rext_profile and use profile constraint flags to
determine the exact va_profile for HEVC_REXT.

If profile mismatch is allowed, select Main profile by default.

Add build object in Makefile for h265_profile_level dependency.

Signed-off-by: Linjie Fu <linjie.fu@intel.com>
This commit is contained in:
Linjie Fu 2020-01-15 15:01:42 +08:00 committed by Mark Thompson
parent 0d83fcc07b
commit 85cc7bcd4c
3 changed files with 106 additions and 1 deletions

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@ -889,7 +889,7 @@ OBJS-$(CONFIG_HEVC_D3D11VA_HWACCEL) += dxva2_hevc.o
OBJS-$(CONFIG_HEVC_DXVA2_HWACCEL) += dxva2_hevc.o
OBJS-$(CONFIG_HEVC_NVDEC_HWACCEL) += nvdec_hevc.o
OBJS-$(CONFIG_HEVC_QSV_HWACCEL) += qsvdec_h2645.o
OBJS-$(CONFIG_HEVC_VAAPI_HWACCEL) += vaapi_hevc.o
OBJS-$(CONFIG_HEVC_VAAPI_HWACCEL) += vaapi_hevc.o h265_profile_level.o
OBJS-$(CONFIG_HEVC_VDPAU_HWACCEL) += vdpau_hevc.o
OBJS-$(CONFIG_MJPEG_NVDEC_HWACCEL) += nvdec_mjpeg.o
OBJS-$(CONFIG_MJPEG_VAAPI_HWACCEL) += vaapi_mjpeg.o

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@ -27,6 +27,8 @@
#include "hevcdec.h"
#include "hwaccel.h"
#include "vaapi_decode.h"
#include "vaapi_hevc.h"
#include "h265_profile_level.h"
typedef struct VAAPIDecodePictureHEVC {
#if VA_CHECK_VERSION(1, 2, 0)
@ -487,6 +489,82 @@ static int vaapi_hevc_decode_slice(AVCodecContext *avctx,
return 0;
}
static int ptl_convert(const PTLCommon *general_ptl, H265RawProfileTierLevel *h265_raw_ptl)
{
h265_raw_ptl->general_profile_space = general_ptl->profile_space;
h265_raw_ptl->general_tier_flag = general_ptl->tier_flag;
h265_raw_ptl->general_profile_idc = general_ptl->profile_idc;
memcpy(h265_raw_ptl->general_profile_compatibility_flag,
general_ptl->profile_compatibility_flag, 32 * sizeof(uint8_t));
#define copy_field(name) h265_raw_ptl->general_ ## name = general_ptl->name
copy_field(progressive_source_flag);
copy_field(interlaced_source_flag);
copy_field(non_packed_constraint_flag);
copy_field(frame_only_constraint_flag);
copy_field(max_12bit_constraint_flag);
copy_field(max_10bit_constraint_flag);
copy_field(max_422chroma_constraint_flag);
copy_field(max_420chroma_constraint_flag);
copy_field(max_monochrome_constraint_flag);
copy_field(intra_constraint_flag);
copy_field(one_picture_only_constraint_flag);
copy_field(lower_bit_rate_constraint_flag);
copy_field(max_14bit_constraint_flag);
copy_field(inbld_flag);
copy_field(level_idc);
#undef copy_field
return 0;
}
/*
* Find exact va_profile for HEVC Range Extension
*/
VAProfile ff_vaapi_parse_hevc_rext_profile(AVCodecContext *avctx)
{
const HEVCContext *h = avctx->priv_data;
const HEVCSPS *sps = h->ps.sps;
const PTL *ptl = &sps->ptl;
const PTLCommon *general_ptl = &ptl->general_ptl;
const H265ProfileDescriptor *profile;
H265RawProfileTierLevel h265_raw_ptl = {0};
/* convert PTLCommon to H265RawProfileTierLevel */
ptl_convert(general_ptl, &h265_raw_ptl);
profile = ff_h265_get_profile(&h265_raw_ptl);
if (!profile) {
av_log(avctx, AV_LOG_WARNING, "HEVC profile is not found.\n");
goto end;
} else {
av_log(avctx, AV_LOG_VERBOSE, "HEVC profile %s is found.\n", profile->name);
}
#if VA_CHECK_VERSION(1, 2, 0)
if (!strcmp(profile->name, "Main 4:2:2 10") ||
!strcmp(profile->name, "Main 4:2:2 10 Intra"))
return VAProfileHEVCMain422_10;
else if (!strcmp(profile->name, "Main 4:4:4") ||
!strcmp(profile->name, "Main 4:4:4 Intra"))
return VAProfileHEVCMain444;
else if (!strcmp(profile->name, "Main 4:4:4 10") ||
!strcmp(profile->name, "Main 4:4:4 10 Intra"))
return VAProfileHEVCMain444_10;
#else
av_log(avctx, AV_LOG_WARNING, "HEVC profile %s is "
"not supported with this VA version.\n", profile->name);
#endif
end:
if (avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH) {
// Default to selecting Main profile if profile mismatch is allowed
return VAProfileHEVCMain;
} else
return VAProfileNone;
}
const AVHWAccel ff_hevc_vaapi_hwaccel = {
.name = "hevc_vaapi",
.type = AVMEDIA_TYPE_VIDEO,

27
libavcodec/vaapi_hevc.h Normal file
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@ -0,0 +1,27 @@
/*
* 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
*/
#ifndef AVCODEC_VAAPI_HEVC_H
#define AVCODEC_VAAPI_HEVC_H
#include <va/va.h>
#include "avcodec.h"
VAProfile ff_vaapi_parse_hevc_rext_profile(AVCodecContext *avctx);
#endif /* AVCODEC_VAAPI_HEVC_H */