[FFmpeg-devel] [PATCH] QCLP wrong sampling rate

KO Myung-Hun komh
Sat Aug 16 14:58:08 CEST 2008



Baptiste Coudurier wrote:
> Hi,
>
> KO Myung-Hun wrote:
>   
>> Reynaldo H. Verdejo Pinochet wrote:
>>     
>>> Hi KO Myung-Hun
>>>
>>> KO Myung-Hun wrote:
>>>  
>>>       
>>>> Hi/2.
>>>>
>>>> Sampling rate of QCLP audio is always set to 8000Hz. But it's wrong.
>>>>
>>>> Test clips : http://sketchup.google.com/gsu6vtvideos.html
>>>>     
>>>>         
>>> I had problems with these kind of streams in the past
>>>
>>> If this QCLP tag identifies TIA/EIA/ISS-733 conforming
>>> data then this is just wrong. See, these are sampled at
>>> 8kHz -- period. this is no optional recomendation but
>>> a requirement (You can take a look at section 2.4.1
>>> of the all infamous C.S0020-0with3Gcover.pdf if you
>>> feel like it) Now, if this patch works out decoding
>>> for you I'd suggest adding a warning to state out-spec
>>> data, at the very least.
>>>   
>>>       
>> I've added a warning to the patch as your suggestion.
>>     
>
> Does this file decodes correctly with ffmpeg ?
> With soc decoder or non redistributable one ?
>
>   

Ah, MPlayer with QuickTime support.

-- 
KO Myung-Hun

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