[FFmpeg-soc] ALAC Testing Report

Baptiste Coudurier baptiste.coudurier at smartjog.com
Wed Jun 11 22:00:59 CEST 2008


Benjamin Larsson wrote:
> Baptiste Coudurier wrote:
>> 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 ?
>>
> 
> I tried on my Ipod video and the file worked.
> 

Ok this is cool, and what if used with iTunes to transfer ?

I damn need an ipod, hopefully I'll get a 3g iphone on july 11th ;)

-- 
Baptiste COUDURIER                              GnuPG Key Id: 0x5C1ABAAA
Smartjog USA Inc.                                http://www.smartjog.com
Key fingerprint                 8D77134D20CC9220201FC5DB0AC9325C5C1ABAAA



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