[FFmpeg-user] convert mkv to mp4

[KoSza]

Hello,

Another strange thing: both systems have 7.0.2-1 installed not 4.1.9…

Thanks,
Kosza

Az iPhone-omról küldve

> 2025. febr. 2. dátummal, 8:15 időpontban Ferdi Scholten <ferdi at sttc-nlp.nl> írta:
> 
> On 02-02-2025 02:31, Moritz Barsnick via ffmpeg-user wrote:
>>> On Sat, Feb 01, 2025 at 23:11:49 +0100, Ferdi Scholten wrote:
>>> --disable-encoder=eac3 --disable-decoder=eac3
>>> This is why the audio is not copied. This FFmpeg package from synology is severely crippled. Probably has to do with licensing i guess.
>> Is that so? I would have thought that, for using the copy "codec", only
>> the demuxers and possibly the parsers are required - no encoder or
>> decoder for the respective codec. I'd try this, but don't have the time
>> right now to compile.
>> 
>> Furthermore, the version is extremely old:
>>> ffmpeg version 4.1.9
>> but _should_ be good enough for copying.
>> 
>> I do understand that this is software pre-configured on the Synology
>> NAS.
>> 
>> Any chance of cross-compiling or even natively compiling a newer
>> version of ffmpeg for/on the NAS, with the correct options?
>> 
>> Moritz
>> 
> You are changing containers, this means the audio has to be remuxed. It is a bit difficult to do that if the tools needed to know the structure of the audio are not there.
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> 
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".