[FFmpeg-soc] ALAC Testing Report

Mike Melanson mike at multimedia.cx
Wed Jun 11 17:01:54 CEST 2008


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.

-- 
	-Mike Melanson



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