[Libav-user] Getting a Frame question

[Paul B Mahol]

On 9/9/16, M N <assemblerx86 at yandex.com> wrote:
> 09.09.2016, 13:55, "M N" <assemblerx86 at yandex.com>:
>> 09.09.2016, 12:50, "Carl Eugen Hoyos" <ceffmpeg at gmail.com>:
>>>  I see the following line in your code:
>>>  p2C->codec_tag = pC->codec_tag;
>>>
>>>  Carl Eugen
>>
>> The "p2C->codec_tag = pC->codec_tag;" is commented out.
>>
>> 09.09.2016, 11:59, "Masneri, Stefano" <stefano.masneri at brain.mpg.de>:
>>>  You have to check the FFmpeg source code. One of the API calls you have
>>> in your code probably sets the codec_tag in one of the function. (my
>>> _guess_ is that it's probably in avcodec_parameters_copy).
>>
>> Then that's a bug/glitch in FFMPEG that their code does not support all
>> codecs the same way.
>> _______________________________________________
>
> If I remove the avcodec_parameters_copy line, then I get the error:
>
> [mp4 @ 01f50200] Could not find tag for codec none in stream #0, codec not
> curre
> ntly supported in container
>
> The irony is that I have posted this as a bug in FFMPEG bug tracker and they
> have set the ticket from "Critical" to "Normal", and none has replied or
> interacted with it until now.

We are not corporation, so unless you pay, you need to wait. That is big irony.