[FFmpeg-devel] [PATCH 1/2] libavcodec/qsvenc_av1: add av1_qsv encoder

Xiang, Haihao haihao.xiang at intel.com
Mon Oct 24 08:52:40 EEST 2022


On Fri, 2022-10-21 at 02:16 +0000, Xiang, Haihao wrote:
> On Thu, 2022-10-13 at 16:25 +0800, wenbin.chen-at-intel.com at ffmpeg.org wrote:
> > From: Wenbin Chen <wenbin.chen at intel.com>
> > 
> > It is available only when libvpl is enabled. MSDK doesn't support av1
> > encoding.
> > 
> > sample command:
> > ffmpeg -f rawvideo -pix_fmt nv12 -s 1920x1080 -i input.yuv \
> > -c:v av1_qsv output.ivf
> > 
> > Signed-off-by: Wenbin Chen <wenbin.chen at intel.com>
> > Signed-off-by: Haihao Xiang <haihao.xiang at intel.com>
> > ---
> >  configure               |   2 +
> >  libavcodec/Makefile     |   1 +
> >  libavcodec/allcodecs.c  |   1 +
> >  libavcodec/qsvenc.c     | 196 +++++++++++++++++++++++++++++++++++++++-
> >  libavcodec/qsvenc.h     |   7 +-
> >  libavcodec/qsvenc_av1.c | 156 ++++++++++++++++++++++++++++++++
> >  6 files changed, 358 insertions(+), 5 deletions(-)
> >  create mode 100644 libavcodec/qsvenc_av1.c
> > 
> > diff --git a/configure b/configure
> > index f3fd91f592..7c4fef6cb0 100755
> > --- a/configure
> > +++ b/configure
> > @@ -3269,6 +3269,8 @@ vp9_qsv_encoder_select="qsvenc"
> >  vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
> >  wmv3_crystalhd_decoder_select="crystalhd"
> >  av1_qsv_decoder_select="qsvdec"
> > +av1_qsv_encoder_select="qsvenc"
> > +av1_qsv_encoder_deps="libvpl"
> >  
> >  # parsers
> >  aac_parser_select="adts_header mpeg4audio"
> > diff --git a/libavcodec/Makefile b/libavcodec/Makefile
> > index 37b63cadc2..77deaafe98 100644
> > --- a/libavcodec/Makefile
> > +++ b/libavcodec/Makefile
> > @@ -244,6 +244,7 @@ OBJS-$(CONFIG_AURA_DECODER)            += cyuv.o
> >  OBJS-$(CONFIG_AURA2_DECODER)           += aura.o
> >  OBJS-$(CONFIG_AV1_DECODER)             += av1dec.o
> >  OBJS-$(CONFIG_AV1_CUVID_DECODER)       += cuviddec.o
> > +OBJS-$(CONFIG_AV1_QSV_ENCODER)         += qsvenc_av1.o
> >  OBJS-$(CONFIG_AVRN_DECODER)            += avrndec.o
> >  OBJS-$(CONFIG_AVRP_DECODER)            += r210dec.o
> >  OBJS-$(CONFIG_AVRP_ENCODER)            += r210enc.o
> > diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
> > index cfeb01ac1c..57e53437dc 100644
> > --- a/libavcodec/allcodecs.c
> > +++ b/libavcodec/allcodecs.c
> > @@ -827,6 +827,7 @@ extern const FFCodec ff_libaom_av1_decoder;
> >  extern const FFCodec ff_av1_decoder;
> >  extern const FFCodec ff_av1_cuvid_decoder;
> >  extern const FFCodec ff_av1_qsv_decoder;
> > +extern const FFCodec ff_av1_qsv_encoder;
> >  extern const FFCodec ff_libopenh264_encoder;
> >  extern const FFCodec ff_libopenh264_decoder;
> >  extern const FFCodec ff_h264_amf_encoder;
> > diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
> > index dc5479d0f3..fd3b9d5cbe 100644
> > --- a/libavcodec/qsvenc.c
> > +++ b/libavcodec/qsvenc.c
> > @@ -82,6 +82,14 @@ static const struct profile_names vp9_profiles[] = {
> >      { MFX_PROFILE_VP9_3,                        "vp9
> > 3"                     },
> >  };
> >  
> > +static const struct profile_names av1_profiles[] = {
> > +#if QSV_VERSION_ATLEAST(1, 34)
> > +    { MFX_PROFILE_AV1_MAIN,                     "av1
> > main"                  },
> > +    { MFX_PROFILE_AV1_HIGH,                     "av1
> > high"                  },
> > +    { MFX_PROFILE_AV1_PRO,                      "av1
> > professional"          },
> > +#endif
> > +};
> > +
> >  typedef struct QSVPacket {
> >      AVPacket        pkt;
> >      mfxSyncPoint   *sync;
> > @@ -114,6 +122,11 @@ static const char *print_profile(enum AVCodecID
> > codec_id,
> > mfxU16 profile)
> >          num_profiles = FF_ARRAY_ELEMS(vp9_profiles);
> >          break;
> >  
> > +    case AV_CODEC_ID_AV1:
> > +        profiles = av1_profiles;
> > +        num_profiles = FF_ARRAY_ELEMS(av1_profiles);
> > +        break;
> > +
> >      default:
> >          return "unknown";
> >      }
> > @@ -429,6 +442,88 @@ static void dump_video_mjpeg_param(AVCodecContext
> > *avctx,
> > QSVEncContext *q)
> >             info->FrameInfo.FrameRateExtD, info->FrameInfo.FrameRateExtN);
> >  }
> >  
> > +#if QSV_HAVE_EXT_AV1_PARAM
> > +static void dump_video_av1_param(AVCodecContext *avctx, QSVEncContext *q,
> > +                                 mfxExtBuffer **coding_opts)
> > +{
> > +    mfxInfoMFX *info = &q->param.mfx;
> > +    mfxExtAV1TileParam *av1_tile_param = (mfxExtAV1TileParam
> > *)coding_opts[0];
> > +    mfxExtAV1BitstreamParam *av1_bs_param = (mfxExtAV1BitstreamParam
> > *)coding_opts[1];
> > +    mfxExtCodingOption2 *co2 = (mfxExtCodingOption2*)coding_opts[2];
> > +    mfxExtCodingOption3 *co3 = (mfxExtCodingOption3*)coding_opts[3];
> > +
> > +    av_log(avctx, AV_LOG_VERBOSE, "profile: %s; level: %"PRIu16"\n",
> > +           print_profile(avctx->codec_id, info->CodecProfile), info-
> > > CodecLevel);
> > +
> > +    av_log(avctx, AV_LOG_VERBOSE,
> > +           "GopPicSize: %"PRIu16"; GopRefDist: %"PRIu16"; GopOptFlag:%s%s;
> > IdrInterval: %"PRIu16"\n",
> > +           info->GopPicSize, info->GopRefDist,
> > +           info->GopOptFlag & MFX_GOP_CLOSED ? " closed" : "",
> > +           info->GopOptFlag & MFX_GOP_STRICT ? " strict" : "",
> > +           info->IdrInterval);
> > +
> > +    av_log(avctx, AV_LOG_VERBOSE, "TargetUsage: %"PRIu16";
> > RateControlMethod:
> > %s\n",
> > +           info->TargetUsage, print_ratecontrol(info->RateControlMethod));
> > +
> > +    if (info->RateControlMethod == MFX_RATECONTROL_CBR ||
> > +        info->RateControlMethod == MFX_RATECONTROL_VBR)
> > +        av_log(avctx, AV_LOG_VERBOSE,
> > +               "BufferSizeInKB: %"PRIu16"; InitialDelayInKB: %"PRIu16";
> > TargetKbps: %"PRIu16"; MaxKbps: %"PRIu16"; BRCParamMultiplier: %"PRIu16"\n",
> > +               info->BufferSizeInKB, info->InitialDelayInKB, info-
> > > TargetKbps, info->MaxKbps, info->BRCParamMultiplier);
> > +    else if (info->RateControlMethod == MFX_RATECONTROL_CQP)
> > +        av_log(avctx, AV_LOG_VERBOSE, "QPI: %"PRIu16"; QPP: %"PRIu16"; QPB:
> > %"PRIu16"\n",
> > +               info->QPI, info->QPP, info->QPB);
> > +    else if (info->RateControlMethod == MFX_RATECONTROL_ICQ)
> > +        av_log(avctx, AV_LOG_VERBOSE, "ICQQuality: %"PRIu16"\n", info-
> > > ICQQuality);
> > +    else
> > +        av_log(avctx, AV_LOG_VERBOSE, "Unsupported ratecontrol method: %d
> > \n", info->RateControlMethod);
> > +
> > +    av_log(avctx, AV_LOG_VERBOSE, "NumRefFrame: %"PRIu16"\n", info-
> > > NumRefFrame);
> > +
> > +    av_log(avctx, AV_LOG_VERBOSE,
> > +           "IntRefType: %"PRIu16"; IntRefCycleSize: %"PRIu16
> > +           "; IntRefQPDelta: %"PRId16"; IntRefCycleDist: %"PRId16"\n",
> > +           co2->IntRefType, co2->IntRefCycleSize,
> > +           co2->IntRefQPDelta, co3->IntRefCycleDist);
> > +
> > +    av_log(avctx, AV_LOG_VERBOSE, "MaxFrameSize: %d;\n", co2-
> > >MaxFrameSize);
> > +
> > +    av_log(avctx, AV_LOG_VERBOSE,
> > +           "BitrateLimit: %s; MBBRC: %s; ExtBRC: %s\n",
> > +           print_threestate(co2->BitrateLimit), print_threestate(co2-
> > >MBBRC),
> > +           print_threestate(co2->ExtBRC));
> > +
> > +    av_log(avctx, AV_LOG_VERBOSE, "VDENC: %s\n", print_threestate(info-
> > > LowPower));
> > +
> > +    switch (co2->BRefType) {
> > +    case MFX_B_REF_OFF:     av_log(avctx, AV_LOG_VERBOSE, "BRefType:
> > off\n");       break;
> > +    case MFX_B_REF_PYRAMID: av_log(avctx, AV_LOG_VERBOSE, "BRefType:
> > pyramid\n");   break;
> > +    default:                av_log(avctx, AV_LOG_VERBOSE, "BRefType:
> > auto\n");      break;
> > +    }
> > +
> > +    switch (co3->PRefType) {
> > +    case MFX_P_REF_DEFAULT: av_log(avctx, AV_LOG_VERBOSE, "PRefType:
> > default\n");   break;
> > +    case MFX_P_REF_SIMPLE:  av_log(avctx, AV_LOG_VERBOSE, "PRefType:
> > simple\n");    break;
> > +    case MFX_P_REF_PYRAMID: av_log(avctx, AV_LOG_VERBOSE, "PRefType:
> > pyramid\n");   break;
> > +    default:                av_log(avctx, AV_LOG_VERBOSE, "PRefType:
> > unknown\n");   break;
> > +    }
> > +
> > +    av_log(avctx, AV_LOG_VERBOSE,
> > +           "MinQPI: %"PRIu8"; MaxQPI: %"PRIu8"; MinQPP: %"PRIu8"; MaxQPP:
> > %"PRIu8"; MinQPB: %"PRIu8"; MaxQPB: %"PRIu8"\n",
> > +           co2->MinQPI, co2->MaxQPI, co2->MinQPP, co2->MaxQPP, co2->MinQPB,
> > co2->MaxQPB);
> > +
> > +    av_log(avctx, AV_LOG_VERBOSE, "FrameRateExtD: %"PRIu32"; FrameRateExtN:
> > %"PRIu32" \n",
> > +           info->FrameInfo.FrameRateExtD, info->FrameInfo.FrameRateExtN);
> > +
> > +    av_log(avctx, AV_LOG_VERBOSE,
> > +           "NumTileRows: %"PRIu16"; NumTileColumns: %"PRIu16";
> > NumTileGroups:
> > %"PRIu16"\n",
> > +           av1_tile_param->NumTileRows, av1_tile_param->NumTileColumns,
> > av1_tile_param->NumTileGroups);
> > +
> > +    av_log(avctx, AV_LOG_VERBOSE, "WriteIVFHeaders: %s \n",
> > +           print_threestate(av1_bs_param->WriteIVFHeaders));
> > +}
> > +#endif
> > +
> >  static int select_rc_mode(AVCodecContext *avctx, QSVEncContext *q)
> >  {
> >      const char *rc_desc;
> > @@ -741,10 +836,15 @@ static int init_video_param(AVCodecContext *avctx,
> > QSVEncContext *q)
> >          break;
> >      case MFX_RATECONTROL_CQP:
> >          quant = avctx->global_quality / FF_QP2LAMBDA;
> > -
> > -        q->param.mfx.QPI = av_clip(quant * fabs(avctx->i_quant_factor) +
> > avctx->i_quant_offset, 0, 51);
> > -        q->param.mfx.QPP = av_clip(quant, 0, 51);
> > -        q->param.mfx.QPB = av_clip(quant * fabs(avctx->b_quant_factor) +
> > avctx->b_quant_offset, 0, 51);
> > +        if (avctx->codec_id == AV_CODEC_ID_AV1) {
> > +            q->param.mfx.QPI = av_clip_uintp2(quant * fabs(avctx-
> > > i_quant_factor) + avctx->i_quant_offset, 8);
> > +            q->param.mfx.QPP = av_clip_uintp2(quant, 8);
> > +            q->param.mfx.QPB = av_clip_uintp2(quant * fabs(avctx-
> > > b_quant_factor) + avctx->b_quant_offset, 8);
> > +        } else {
> > +            q->param.mfx.QPI = av_clip(quant * fabs(avctx->i_quant_factor)
> > +
> > avctx->i_quant_offset, 0, 51);
> > +            q->param.mfx.QPP = av_clip(quant, 0, 51);
> > +            q->param.mfx.QPB = av_clip(quant * fabs(avctx->b_quant_factor)
> > +
> > avctx->b_quant_offset, 0, 51);
> > +        }
> >          q->old_global_quality = avctx->global_quality;
> >          q->old_i_quant_factor = avctx->i_quant_factor;
> >          q->old_i_quant_offset = avctx->i_quant_offset;
> > @@ -895,6 +995,20 @@ static int init_video_param(AVCodecContext *avctx,
> > QSVEncContext *q)
> >              q->extco2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2;
> >              q->extco2.Header.BufferSz = sizeof(q->extco2);
> >  
> > +            q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer
> > *)&q->extco2;
> > +        } else if (avctx->codec_id == AV_CODEC_ID_AV1) {
> > +            if (q->extbrc >= 0)
> > +                q->extco2.ExtBRC = q->extbrc ? MFX_CODINGOPTION_ON :
> > MFX_CODINGOPTION_OFF;
> > +            if (q->b_strategy >= 0)
> > +                q->extco2.BRefType = q->b_strategy ? MFX_B_REF_PYRAMID :
> > MFX_B_REF_OFF;
> > +            if (q->adaptive_i >= 0)
> > +                q->extco2.AdaptiveI = q->adaptive_i ? MFX_CODINGOPTION_ON :
> > MFX_CODINGOPTION_OFF;
> > +            if (q->adaptive_b >= 0)
> > +                q->extco2.AdaptiveB = q->adaptive_b ? MFX_CODINGOPTION_ON :
> > MFX_CODINGOPTION_OFF;
> > +
> > +            q->extco2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2;
> > +            q->extco2.Header.BufferSz = sizeof(q->extco2);
> > +
> >              q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer
> > *)&q->extco2;
> >          }
> >  
> > @@ -972,6 +1086,27 @@ static int init_video_param(AVCodecContext *avctx,
> > QSVEncContext *q)
> >          q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer
> > *)&q-
> > > extvp9param;
> >      }
> >  
> > +#if QSV_HAVE_EXT_AV1_PARAM
> > +    if (avctx->codec_id == AV_CODEC_ID_AV1) {
> > +        if (QSV_RUNTIME_VERSION_ATLEAST(q->ver, 2, 5)) {
> > +            q->extav1tileparam.Header.BufferId =
> > MFX_EXTBUFF_AV1_TILE_PARAM;
> > +            q->extav1tileparam.Header.BufferSz = sizeof(q-
> > >extav1tileparam);
> > +            q->extav1tileparam.NumTileColumns  = q->tile_cols;
> > +            q->extav1tileparam.NumTileRows     = q->tile_rows;
> > +            q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer
> > *)&q->extav1tileparam;
> > +
> > +            q->extav1bsparam.Header.BufferId =
> > MFX_EXTBUFF_AV1_BITSTREAM_PARAM;
> > +            q->extav1bsparam.Header.BufferSz = sizeof(q->extav1bsparam);
> > +            q->extav1bsparam.WriteIVFHeaders = MFX_CODINGOPTION_OFF;
> > +            q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer
> > *)&q->extav1bsparam;
> > +        } else {
> > +            av_log(avctx, AV_LOG_ERROR,
> > +                   "This version of runtime doesn't support AV1
> > encoding\n");
> > +            return AVERROR_UNKNOWN;
> > +        }
> > +    }
> > +#endif
> > +
> >      if (avctx->codec_id == AV_CODEC_ID_HEVC) {
> >          q->exthevctiles.Header.BufferId = MFX_EXTBUFF_HEVC_TILES;
> >          q->exthevctiles.Header.BufferSz = sizeof(q->exthevctiles);
> > @@ -1082,6 +1217,56 @@ static int qsv_retrieve_enc_vp9_params(AVCodecContext
> > *avctx, QSVEncContext *q)
> >      return 0;
> >  }
> >  
> > +static int qsv_retrieve_enc_av1_params(AVCodecContext *avctx, QSVEncContext
> > *q)
> > +{
> > +#if QSV_HAVE_EXT_AV1_PARAM
> > +    int ret = 0;
> > +    mfxExtAV1TileParam av1_extend_tile_buf = {
> > +         .Header.BufferId = MFX_EXTBUFF_AV1_TILE_PARAM,
> > +         .Header.BufferSz = sizeof(av1_extend_tile_buf),
> > +    };
> > +    mfxExtAV1BitstreamParam av1_bs_param = {
> > +         .Header.BufferId = MFX_EXTBUFF_AV1_BITSTREAM_PARAM,
> > +         .Header.BufferSz = sizeof(av1_bs_param),
> > +    };
> > +
> > +    mfxExtCodingOption2 co2 = {
> > +        .Header.BufferId = MFX_EXTBUFF_CODING_OPTION2,
> > +        .Header.BufferSz = sizeof(co2),
> > +    };
> > +
> > +    mfxExtCodingOption3 co3 = {
> > +        .Header.BufferId = MFX_EXTBUFF_CODING_OPTION3,
> > +        .Header.BufferSz = sizeof(co3),
> > +    };
> > +
> > +    mfxExtBuffer *ext_buffers[] = {
> > +        (mfxExtBuffer*)&av1_extend_tile_buf,
> > +        (mfxExtBuffer*)&av1_bs_param,
> > +        (mfxExtBuffer*)&co2,
> > +        (mfxExtBuffer*)&co3,
> > +    };
> > +
> > +    if (!QSV_RUNTIME_VERSION_ATLEAST(q->ver, 2, 5)) {
> > +        av_log(avctx, AV_LOG_ERROR,
> > +               "This version of runtime doesn't support AV1 encoding\n");
> > +        return AVERROR_UNKNOWN;
> > +    }
> > +
> > +    q->param.ExtParam    = ext_buffers;
> > +    q->param.NumExtParam = FF_ARRAY_ELEMS(ext_buffers);
> > +
> > +    ret = MFXVideoENCODE_GetVideoParam(q->session, &q->param);
> > +    if (ret < 0)
> > +        return ff_qsv_print_error(avctx, ret,
> > +                                  "Error calling GetVideoParam");
> > +
> > +    q->packet_size = q->param.mfx.BufferSizeInKB * q-
> > > param.mfx.BRCParamMultiplier * 1000;
> > +    dump_video_av1_param(avctx, q, ext_buffers);
> > +#endif
> > +    return 0;
> > +}
> > +
> >  static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
> >  {
> >      AVCPBProperties *cpb_props;
> > @@ -1420,6 +1605,9 @@ int ff_qsv_enc_init(AVCodecContext *avctx,
> > QSVEncContext
> > *q)
> >      case AV_CODEC_ID_VP9:
> >          ret = qsv_retrieve_enc_vp9_params(avctx, q);
> >          break;
> > +    case AV_CODEC_ID_AV1:
> > +        ret = qsv_retrieve_enc_av1_params(avctx, q);
> > +        break;
> >      default:
> >          ret = qsv_retrieve_enc_params(avctx, q);
> >          break;
> > diff --git a/libavcodec/qsvenc.h b/libavcodec/qsvenc.h
> > index d77bc0aee1..eb79db9871 100644
> > --- a/libavcodec/qsvenc.h
> > +++ b/libavcodec/qsvenc.h
> > @@ -39,6 +39,7 @@
> >  #include "qsv_internal.h"
> >  
> >  #define QSV_HAVE_EXT_VP9_TILES QSV_VERSION_ATLEAST(1, 29)
> > +#define QSV_HAVE_EXT_AV1_PARAM QSV_VERSION_ATLEAST(2, 5)
> >  
> >  #if defined(_WIN32) || defined(__CYGWIN__)
> >  #define QSV_HAVE_AVBR   1
> > @@ -154,6 +155,10 @@ typedef struct QSVEncContext {
> >  #endif
> >      mfxExtHEVCTiles exthevctiles;
> >      mfxExtVP9Param  extvp9param;
> > +#if QSV_HAVE_EXT_AV1_PARAM
> > +    mfxExtAV1TileParam extav1tileparam;
> > +    mfxExtAV1BitstreamParam extav1bsparam;
> > +#endif
> >  
> >  #if QSV_HAVE_OPAQUE
> >      mfxExtOpaqueSurfaceAlloc opaque_alloc;
> > @@ -163,7 +168,7 @@ typedef struct QSVEncContext {
> >  
> >      mfxExtVideoSignalInfo extvsi;
> >  
> > -    mfxExtBuffer  *extparam_internal[5 + (QSV_HAVE_MF * 2)];
> > +    mfxExtBuffer  *extparam_internal[5 + (QSV_HAVE_MF * 2) +
> > QSV_HAVE_EXT_AV1_PARAM * 2];
> >      int         nb_extparam_internal;
> >  
> >      mfxExtBuffer **extparam;
> > diff --git a/libavcodec/qsvenc_av1.c b/libavcodec/qsvenc_av1.c
> > new file mode 100644
> > index 0000000000..bb9ad16927
> > --- /dev/null
> > +++ b/libavcodec/qsvenc_av1.c
> > @@ -0,0 +1,156 @@
> > +/*
> > + * Intel MediaSDK QSV based AV1 encoder
> > + *
> > + * 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 <stdint.h>
> > +#include <sys/types.h>
> > +
> > +#include <mfxvideo.h>
> > +
> > +#include "libavutil/common.h"
> > +#include "libavutil/opt.h"
> > +
> > +#include "avcodec.h"
> > +#include "codec_internal.h"
> > +#include "bsf.h"
> > +#include "qsv.h"
> > +#include "qsvenc.h"
> > +
> > +typedef struct QSVAV1EncContext {
> > +    AVClass *class;
> > +    AVBSFContext *extra_data_bsf;
> > +    QSVEncContext qsv;
> > +} QSVAV1EncContext;
> > +
> > +static av_cold int qsv_enc_init(AVCodecContext *avctx)
> > +{
> > +    QSVAV1EncContext *q = avctx->priv_data;
> > +    int ret;
> > +
> > +    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
> > +        const AVBitStreamFilter *filter =
> > av_bsf_get_by_name("extract_extradata");
> > +        if (!filter) {
> > +            av_log(avctx, AV_LOG_ERROR, "Cannot get extract_extradata
> > bitstream filter\n");
> > +            return AVERROR_BUG;
> > +        }
> > +        ret = av_bsf_alloc(filter, &q->extra_data_bsf);
> > +        if (ret < 0)
> > +            return ret;
> > +        ret = avcodec_parameters_from_context(q->extra_data_bsf->par_in,
> > avctx);
> > +        if (ret < 0)
> > +           return ret;
> > +        ret = av_bsf_init(q->extra_data_bsf);
> > +        if (ret < 0)
> > +           return ret;
> > +    }
> > +
> > +    return ff_qsv_enc_init(avctx, &q->qsv);
> > +}
> > +
> > +static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
> > +                         const AVFrame *frame, int *got_packet)
> > +{
> > +    QSVAV1EncContext *q = avctx->priv_data;
> > +    int ret;
> > +
> > +    ret = ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
> > +    if (ret < 0)
> > +        return ret;
> > +
> > +    if (*got_packet && avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
> > +        ret = av_bsf_send_packet(q->extra_data_bsf, pkt);
> > +        if (ret < 0) {
> > +            av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
> > +                "failed to send input packet\n");
> > +            return ret;
> > +        }
> > +
> > +        ret = av_bsf_receive_packet(q->extra_data_bsf, pkt);
> > +        if (ret < 0) {
> > +            av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
> > +                "failed to receive output packet\n");
> > +            return ret;
> > +        }
> > +    }
> > +
> > +    return ret;
> > +}
> > +
> > +static av_cold int qsv_enc_close(AVCodecContext *avctx)
> > +{
> > +    QSVAV1EncContext *q = avctx->priv_data;
> > +
> > +    av_bsf_free(&q->extra_data_bsf);
> > +
> > +    return ff_qsv_enc_close(avctx, &q->qsv);
> > +}
> > +
> > +#define OFFSET(x) offsetof(QSVAV1EncContext, x)
> > +#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
> > +static const AVOption options[] = {
> > +    QSV_COMMON_OPTS
> > +    QSV_OPTION_B_STRATEGY
> > +    QSV_OPTION_ADAPTIVE_I
> > +    QSV_OPTION_ADAPTIVE_B
> > +    QSV_OPTION_EXTBRC
> > +    { "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 =
> > MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
> > +        { "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 =
> > MFX_PROFILE_UNKNOWN      }, INT_MIN, INT_MAX,     VE, "profile" },
> > +        { "main"    , NULL, 0, AV_OPT_TYPE_CONST, { .i64 =
> > MFX_PROFILE_AV1_MAIN     }, INT_MIN, INT_MAX,     VE, "profile" },
> > +    { "tile_cols",  "Number of columns for tiled
> > encoding",   OFFSET(qsv.tile_cols),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0,
> > UINT16_MAX, VE },
> > +    { "tile_rows",  "Number of rows for tiled
> > encoding",      OFFSET(qsv.tile_rows),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0,
> > UINT16_MAX, VE },
> > +    { "look_ahead_depth", "Depth of look ahead in number frames, available
> > when extbrc option is enabled", OFFSET(qsv.look_ahead_depth),
> > AV_OPT_TYPE_INT,
> > { .i64 = 0 }, 0, 100, VE },
> > +    { NULL },
> > +};
> > +
> > +static const AVClass class = {
> > +    .class_name = "av1_qsv encoder",
> > +    .item_name  = av_default_item_name,
> > +    .option     = options,
> > +    .version    = LIBAVUTIL_VERSION_INT,
> > +};
> > +
> > +static const FFCodecDefault qsv_enc_defaults[] = {
> > +    { "b",         "1M"   },
> > +    { "g",         "-1"   },
> > +    { "bf",        "-1"   },
> > +    { "refs",      "0"    },
> > +    { NULL },
> > +};
> > +
> > +FFCodec ff_av1_qsv_encoder = {
> > +    .p.name           = "av1_qsv",
> > +    .p.long_name      = NULL_IF_CONFIG_SMALL("AV1 (Intel Quick Sync Video
> > acceleration)"),
> > +    .priv_data_size = sizeof(QSVAV1EncContext),
> > +    .p.type           = AVMEDIA_TYPE_VIDEO,
> > +    .p.id             = AV_CODEC_ID_AV1,
> > +    .init             = qsv_enc_init,
> > +    FF_CODEC_ENCODE_CB(qsv_enc_frame),
> > +    .close            = qsv_enc_close,
> > +    .p.capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
> > +    .p.pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
> > +                                                    AV_PIX_FMT_P010,
> > +                                                    AV_PIX_FMT_QSV,
> > +                                                    AV_PIX_FMT_NONE },
> > +    .p.priv_class     = &class,
> > +    .defaults       = qsv_enc_defaults,
> > +    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
> > +    .p.wrapper_name   = "qsv",
> > +    .hw_configs     = ff_qsv_enc_hw_configs,
> > +};
> 
> Is there any comment for this patchset ? I'll push this patchset in a few days
> if no comment or objection. 
> 

Pushed

Thanks
Haihao



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