Hi Mark, Zhong,
Could you please review this patch when you get a chance?
Thanks very much
Haihao
> AV1 decoder is supported on Tiger Lake+ platforms since libmfx 1.34
>
> Signed-off-by: Haihao Xiang <haihao.xi...@intel.com>
> ---
> Changelog | 1 +
> configure | 1 +
> libavcodec/allcodecs.c | 1 +
> libavcodec/qsv.c | 4 ++++
> libavcodec/qsvdec_other.c | 31 ++++++++++++++++++++++++++++++-
> 5 files changed, 37 insertions(+), 1 deletion(-)
>
> diff --git a/Changelog b/Changelog
> index 261b6b261a..1f93d6dd14 100644
> --- a/Changelog
> +++ b/Changelog
> @@ -25,6 +25,7 @@ version <next>:
> - AV1 decoder (Hardware acceleration used only)
> - SVS demuxer
> - Argonaut Games BRP demuxer
> +- Intel QSV-accelerated AV1 decoding
>
>
> version 4.3:
> diff --git a/configure b/configure
> index 5d68695192..591067a7a8 100755
> --- a/configure
> +++ b/configure
> @@ -3139,6 +3139,7 @@ vp9_qsv_encoder_deps="libmfx MFX_CODEC_VP9"
> vp9_qsv_encoder_select="qsvenc"
> vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
> wmv3_crystalhd_decoder_select="crystalhd"
> +av1_qsv_decoder_select="qsvdec"
>
> # parsers
> aac_parser_select="adts_header"
> diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
> index 713c5686a4..ae5642829e 100644
> --- a/libavcodec/allcodecs.c
> +++ b/libavcodec/allcodecs.c
> @@ -820,6 +820,7 @@ extern AVCodec ff_vp9_mediacodec_decoder;
> extern AVCodec ff_vp9_qsv_decoder;
> extern AVCodec ff_vp9_vaapi_encoder;
> extern AVCodec ff_vp9_qsv_encoder;
> +extern AVCodec ff_av1_qsv_decoder;
>
> // The iterate API is not usable with ossfuzz due to the excessive size of
> binaries created
> #if CONFIG_OSSFUZZ
> diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c
> index 17720070f1..7816d2f93c 100644
> --- a/libavcodec/qsv.c
> +++ b/libavcodec/qsv.c
> @@ -64,6 +64,10 @@ int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
> case AV_CODEC_ID_VP9:
> return MFX_CODEC_VP9;
> #endif
> +#if QSV_VERSION_ATLEAST(1, 34)
> + case AV_CODEC_ID_AV1:
> + return MFX_CODEC_AV1;
> +#endif
>
> default:
> break;
> diff --git a/libavcodec/qsvdec_other.c b/libavcodec/qsvdec_other.c
> index b4df76739c..2775e07955 100644
> --- a/libavcodec/qsvdec_other.c
> +++ b/libavcodec/qsvdec_other.c
> @@ -1,5 +1,5 @@
> /*
> - * Intel MediaSDK QSV based MPEG-2, VC-1, VP8, MJPEG and VP9 decoders
> + * Intel MediaSDK QSV based MPEG-2, VC-1, VP8, MJPEG, VP9 and AV1 decoders
> *
> * copyright (c) 2015 Anton Khirnov
> *
> @@ -327,3 +327,32 @@ AVCodec ff_vp9_qsv_decoder = {
> .wrapper_name = "qsv",
> };
> #endif
> +
> +#if CONFIG_AV1_QSV_DECODER
> +static const AVClass av1_qsv_class = {
> + .class_name = "av1_qsv",
> + .item_name = av_default_item_name,
> + .option = options,
> + .version = LIBAVUTIL_VERSION_INT,
> +};
> +
> +AVCodec ff_av1_qsv_decoder = {
> + .name = "av1_qsv",
> + .long_name = NULL_IF_CONFIG_SMALL("AV1 video (Intel Quick Sync Video
> acceleration)"),
> + .priv_data_size = sizeof(QSVOtherContext),
> + .type = AVMEDIA_TYPE_VIDEO,
> + .id = AV_CODEC_ID_AV1,
> + .init = qsv_decode_init,
> + .decode = qsv_decode_frame,
> + .flush = qsv_decode_flush,
> + .close = qsv_decode_close,
> + .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1 |
> AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HYBRID,
> + .priv_class = &av1_qsv_class,
> + .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
> + AV_PIX_FMT_P010,
> + AV_PIX_FMT_QSV,
> + AV_PIX_FMT_NONE },
> + .hw_configs = ff_qsv_hw_configs,
> + .wrapper_name = "qsv",
> +};
> +#endif
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