[Libav-user] Getting a Frame question

[Masneri, Stefano]

-----Original Message-----
From: Libav-user [mailto:libav-user-bounces at ffmpeg.org] On Behalf Of M N
Sent: Donnerstag, 8. September 2016 20:52
To: This list is about using libavcodec, libavformat, libavutil, libavdevice and libavfilter.
Subject: Re: [Libav-user] Getting a Frame question

08.09.2016, 19:23, "Carl Eugen Hoyos" <ceffmpeg at gmail.com>:
>  This sounds very unlikely / is not true.
>
>  This is still the same error (you cannot use codec_tag avc1 in mp4).
>  What is unclear about it?
>
>  Carl Eugen


And where did I use "codec_tag" in my code?! Does avformat_write_header() use codec_tag internally? Can you please give me a clear answer for my _______________________________________________

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).