[FFmpeg-user] WAV samplerate conversion with CODEC ID 1 ???

christian.will at 4-real.com christian.will at 4-real.com
Tue Sep 15 13:20:57 EEST 2020



>-----Urspr√ľngliche Nachricht-----
>Von: ffmpeg-user <ffmpeg-user-bounces at ffmpeg.org> Im Auftrag von Tobias Rapp
>Gesendet: Dienstag, 15. September 2020 11:59
>An: ffmpeg-user at ffmpeg.org
>Betreff: Re: [FFmpeg-user] WAV samplerate conversion with CODEC ID 1 ???
>
>On 15.09.2020 11:44, christian.will at 4-real.com wrote:
>> Is it somehow possible to convert wav audio takes with a CODEC ID of 1?
>> Because ffmpeg and sox are creating very long and "unusal" codec ids like:
>> 00000001-0000-0010-8000-00AA00389B71
>
>That GUID is part of the WaveFormatExtensible structure, used by WAVE files to specify additional format properties. It means "PCM", see the section about "SubFormat" in [1], and >should be compatible with common playback software.
>
>Regards, Tobias
>
>Links:
>[1]
>https://docs.microsoft.com/en-us/windows-hardware/drivers/ddi/ksmedia/ns-ksmedia-waveformatextensible

So it is not possible to keep the original format code 1 and ffmpeg will always create an EXTENSIBLE container??
Because some software is not able to use the Ext GUIDs.
Havent found anything in the ffmpeg format documentation.



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