[FFmpeg-user] ProRes (LT) Quicktimes: Good for Windows. Not so good for Mac.

Andreas Gumm andreas.gumm at gmx.de
Thu Mar 22 17:16:13 CET 2012

Can I define an argument in command line to get 48000 samples per audio

Thank you for answering in advance!

Am 22.03.2012 17:02, schrieb Baptiste Coudurier:
>  Hi Thomas,
>  On 03/20/2012 02:46 PM, Thomas Worth wrote:
>>  On Tue, Mar 20, 2012 at 2:22 PM, Andreas Gumm<andreas.gumm at gmx.de>   wrote:
>>>  Yes, this is a known issue! Your files has been correct encoded! FCP just
>>>  complains sometimes about external encoded ProRes footage!
>>>  It seem to be that some missing header informations or other stupid missing
>>>  informations let FCP think the file looks not compatible!
>>  About this, I think the Final Cut media warning may be related to the
>>  A/V interleaving, i.e. the way the chunk offset tables are written. I
>>  don't think it has as much to do with information in the QuickTime
>>  header. Files written without audio don't show the warning. Baptiste
>>  Coudurier might comment on this. If anyone knows why this is
>>  happening, is would be him.
>  Yes, this is because FCP expects audio chunks to be approximately
>  48000 samples.

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