From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
To: ffmpeg-devel@ffmpeg.org
Subject: Re: [FFmpeg-devel] [PATCH] lavc/qsvenc_hevc: use open GOP by default
Date: Thu, 6 Oct 2022 13:35:24 +0200
Message-ID: <AS8P250MB0744FE87DB255AC36BD0DDE58F5C9@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <20221006075101.20058-1-haihao.xiang@intel.com>
Xiang, Haihao:
> From: Haihao Xiang <haihao.xiang@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@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
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next prev parent reply other threads:[~2022-10-06 11:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-06 7:51 Xiang, Haihao
2022-10-06 11:35 ` Andreas Rheinhardt [this message]
2022-10-07 2:45 ` Xiang, Haihao
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