[FFmpeg-devel] [PATCH] libavformat/nutenc.c: Use ffv1 as default video encoder for NUT muxing

Carl Eugen Hoyos ceffmpeg at gmail.com
Tue Oct 3 00:50:45 EEST 2017


2017-10-02 23:18 GMT+02:00 Leo Izen <leo.izen at gmail.com>:
> On 09/28/2017 04:51 PM, Michael Niedermayer wrote:
>>
>> On Wed, Sep 27, 2017 at 07:14:50PM -0400, Leo Izen wrote:

>>> -    .video_codec    = AV_CODEC_ID_MPEG4,
>>> +    .video_codec    = AV_CODEC_ID_FFV1,
>>>       .write_header   = nut_write_header,
>>>       .write_packet   = nut_write_packet,
>>>       .write_trailer  = nut_write_trailer,
>>
>> Why?
>>
>> also this breaks existing code and command lines
>> which expect mpeg4 as default
>
> This was a patch I submitted as suggested by Mark
> Thompson on IRC, 2017-09-27:
>
> [18:47:51] <thebombzen> while we're on automatic order, for NUT,
> mpeg4 gets picked by default rather than ffv1

(The irc paste imo contradicts your claim above)

I don't think ffv1 is a useful default video encoder for nut.

Carl Eugen


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