[FFmpeg-devel] 回复: 回复: [PATCH] libavformat/movenc: add support for HEVC in .3gp

Sun Zhenliang hisunzhenliang at outlook.com
Wed Dec 9 17:30:49 EET 2020

I agree that it'd be fine to add those two tags of hevc there.

Thanks for your review.


发件人: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> 代表 Jan Ekström <jeebjp at gmail.com>
发送时间: 2020年12月9日 23:02
收件人: FFmpeg development discussions and patches <ffmpeg-devel at ffmpeg.org>
主题: Re: [FFmpeg-devel] 回复: [PATCH] libavformat/movenc: add support for HEVC in .3gp

On Wed, Dec 9, 2020 at 4:34 PM Sun Zhenliang <hisunzhenliang at outlook.com> wrote:
> 1) 3GPP TS 26.244 V16.1.0 (2020-09)  and ISO/IEC 14496-15: "Information technology – Coding of audio-visual objects – Part 15: Carriage of NAL unit structured video in the ISO base media file format"   states HEVC's sample entry in 3GPP file format. I think these documentations says we can store hevc in 3gp files.

The document seems to be available at:

And seems to just refer to the "H.265 (HEVC) file format", which is
effectively what's under 14496-15 now.

Thus I would say that it'd be fine to just add both 'hev1' and 'hvc1'
there, as both are specifically mentioned at multiple points in the

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