[FFmpeg-devel] [PATCH] lavc/qsvenc_hevc: use open GOP by default

[Andreas Rheinhardt]

Xiang, Haihao:
> From: Haihao Xiang <haihao.xiang at intel.com>
> 
> HEVC spec has CRA frame which allows random access with open GOP, hence
> it can achieve higher compression efficiency.
> 
> Signed-off-by: Haihao Xiang <haihao.xiang at intel.com>
> ---
>  libavcodec/qsvenc_hevc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavcodec/qsvenc_hevc.c b/libavcodec/qsvenc_hevc.c
> index a5bf915954..ba83987151 100644
> --- a/libavcodec/qsvenc_hevc.c
> +++ b/libavcodec/qsvenc_hevc.c
> @@ -294,7 +294,7 @@ static const FFCodecDefault qsv_enc_defaults[] = {
>      { "qmin",      "-1"    },
>      { "qmax",      "-1"    },
>      { "trellis",   "-1"    },
> -    { "flags",     "+cgop" },
> +    { "flags",     "-cgop" },
>      { NULL },
>  };
>  

If you want open GOP as default, you can just remove the entry, as open
GOP is the default anyway.

- Andreas