[FFmpeg-user] -vtag 'xvid' broken in 4.1

Reindl Harald h.reindl at thelounge.net
Thu Nov 8 14:43:13 EET 2018



Am 08.11.18 um 13:33 schrieb Paul B Mahol:
> On 11/8/18, Reindl Harald <h.reindl at thelounge.net> wrote:
>>
>> Am 08.11.18 um 13:24 schrieb Paul B Mahol:
>>> On 11/8/18, Reindl Harald <h.reindl at thelounge.net> wrote:
>>>> that worked over many years now and with 4.1 "[mp4 @ 0x5618adfe4b80]
>>>> Could not find tag for codec mpeg4 in stream #0, codec not currently
>>>> supported in container"
>>>
>>> Probably because it was never valid?
>>
>> bla....
>>
>> https://trac.ffmpeg.org/wiki/Encode/MPEG-4
>>
>>  ...and the native encoder mpeg4:
>>
>> ffmpeg -i input.avi -c:v mpeg4 -vtag xvid output.avi
>>
>> The native encoder has the advantage of not requiring an external
>> library. Both encoders should provide a similar output, but for lower
>> bitrates/quality (e.g. 1000 kBit/s for 720p content), libxvid will
>> deliver better quality than mpeg4.
> 
> Some minimal knowledge is required to work with ffmpeg.
> In your case avi container is one thing and mp4 is another
and why can't you simply give a useful answer instead a smartass
"Probably because it was never valid?" to not waste everybodys time?


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