[FFmpeg-soc] ALAC Testing Report

Baptiste Coudurier baptiste.coudurier at smartjog.com
Wed Jun 11 21:23:41 CEST 2008


Hi Mike,

Mike Melanson wrote:
> Baptiste Coudurier wrote:
>> Baptiste Coudurier wrote:
>>> Hi Mike,
>>>
>>> Mike Melanson wrote:
>>>> [...]
>>>>
>>>> *doesn't work* on my iPod Touch
>>>>
>>>> Methodology:
>>>>
>>>>    ffmpeg -i <source.wav> -acodec alac dest.mov
>>>>
>>>> Problem: Specifying either dest.mp4 or dest.m4a does not work. It 
>>>> should. ALAC is supposed to be encapsulated in these formats and not in 
>>>> .mov, 
>>> Well, Quicktime player perfectly creates ALAC in .mov files, so I guess
>>> it's obviously supposed to be encapsulated in .mov.
>>>
>>> Im afraid alac in .mp4 is definitely NON STANDARD.
>>> You'll have to use -f ipod to be allowed to put ALAC in .m4a.
>>> Im working on a patch.
>>>
>> Done, -acodec alac test.m4a should work, Mike can you please test it on
>> your ipod/iphone ? Thanks a lot.
> 
> Still no go on the iPod, even though transcoding to .m4a now works.
> 

Crap, with really latest svn ? Like r13744 ? It plays fine with
quicktime player :(

And with stream copy ?

-- 
Baptiste COUDURIER                              GnuPG Key Id: 0x5C1ABAAA
Smartjog USA Inc.                                http://www.smartjog.com
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