[FFmpeg-devel] [PATCH] high precision mp3 decoding needs CONFIG_AUDIO_NONSHORT which is never set

Benoit Fouet benoit.fouet
Tue Dec 9 22:56:40 CET 2008


Diego Biurrun wrote :
> On Tue, Dec 09, 2008 at 08:57:57AM +0100, Benoit Fouet wrote:
>   
>> On 12/09/2008 12:42 AM, Diego Biurrun wrote:
>>     
>>> On Mon, Dec 08, 2008 at 12:29:16PM +0100, Benoit Fouet wrote:
>>>   
>>>       
>>>> On 12/08/2008 12:10 PM, Diego Biurrun wrote:
>>>>     
>>>>         
>>>>> On Mon, Dec 08, 2008 at 10:00:57AM +0100, Benoit Fouet wrote:
>>>>>   
>>>>>           
>>>>>> On 12/07/2008 03:25 PM, Michael Niedermayer wrote:
>>>>>>     
>>>>>>             
>>>>>>> On Sun, Dec 07, 2008 at 02:51:57PM +0100, Mathieu Velten wrote:
>>>>>>>           
>>>>>>>               
>>>>>>>> patch attached
>>>>>>>>         
>>>>>>>>                 
>>>>>>> looks ok
>>>>>>>       
>>>>>>>               
>>>>>> reg tests fail here with this patch:
>>>>>>         
>>>>>>             
>>>>> Do they also fail if you make the change in both mpegaudiodec.c and
>>>>> mpegaudio.h?
>>>>>       
>>>>>           
>>>> yes, they also fail
>>>>         
>>> This does not look right.  Why are the libavformat regression tests
>>> failing due to a change in libavcodec?  And especially a change to
>>> preprocessor conditions that are not normally fulfilled?
>>>       
>> they are not fulfilled at the moment.
>> #ifdef CONFIG_AUDIO_NONSHORT is an #if 0, no ?
>>     
>
> Correct.  But both options are never defined, so going from
>
> #if defined(USE_HIGHPRECISION) && defined(CONFIG_AUDIO_NONSHORT)
>
> to
>
> #if defined(USE_HIGHPRECISION)
>
> is like going from '#if 0' to '#if 0'.  So it should not affect
> regression tests at all.
>
>   

USE_HIGHPRECISION is defined if CONFIG_MPEGAUDIO_HP is defined... which
can be true

Ben





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