[FFmpeg-devel] [FFmpeg-cvslog] avcodec/nvenc: Enable recovery point SEI for intra refresh mode

[Martin Storsjö]

On Mon, 3 Feb 2025, Zhao Zhili wrote:

> ffmpeg | branch: master | Zhao Zhili <zhilizhao at tencent.com> | Thu Jan 23 22:17:29 2025 +0800| [1438f6997db70945173f01aea1768e3b27ce2679] | committer: Zhao Zhili
>
> avcodec/nvenc: Enable recovery point SEI for intra refresh mode
>
> Otherwise all frames can be dropped after seek without the
> output_corrupt/showall flags.
>
> Signed-off-by: Zhao Zhili <zhilizhao at tencent.com>
> Reviewed-by: Timo Rothenpieler <timo at rothenpieler.org>
>
>> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1438f6997db70945173f01aea1768e3b27ce2679
> ---
>
> libavcodec/nvenc.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
> index c52e47734e..c359c2bc8a 100644
> --- a/libavcodec/nvenc.c
> +++ b/libavcodec/nvenc.c
> @@ -1281,6 +1281,7 @@ static av_cold int nvenc_setup_h264_config(AVCodecContext *avctx)
>         h264->intraRefreshPeriod = cc->gopLength;
>         h264->intraRefreshCnt = cc->gopLength - 1;
>         cc->gopLength = NVENC_INFINITE_GOPLENGTH;
> +        h264->outputRecoveryPointSEI = 1;

This change breaks building with older versions of nv-codec-headers 
installed.

// Martin