[FFmpeg-user] Converting DVCPRO in AVI wrapper to .dv, missing audio stream

[Kieran O Leary]

On Wed, 13 Nov 2019, 13:55 Kieran O Leary, <kieran.o.leary at gmail.com> wrote:

> Hi
>
> On Wed, 13 Nov 2019, 13:33 Joanna White via ffmpeg-user, <
> ffmpeg-user at ffmpeg.org> wrote:
>
>> Hi there,
>>
>>
>> Apologies if there has been a similar request to this before.
>>
>>
>> I'm trying to rewrap an old AVI file with dvcp codec to the .dv wrapper
>> so that it's explicit when committed to long-term LTO storage that it's a
>> DV file.
>
>
> Why is the benefit to removing the container here?
>
>   I've been using an FFmprovisr command:
>>
>>
>>
>> ffmpeg -i input_file -f rawvideo -c:v copy output_file.dv
>>
>>
>> This results in a DV file smaller than the AVI with a missing audio
>> channel and other missing metadata.
>
> The extra audio stream in your source is probably just a duplicate of the
> pcm stream that is interleaved in your DV stream. You might have to double
> check that.
> Anyhow DV most likely can't store an extra audio channel as you're just
> demuxing the DV stream itself. You'll need to use a container or just leave
> the Avi file as Kato retain that I'd imagine.
>
*Leave the AVI file as is to retain that,I'd imagine*
Sorry, auto complete typo.

K