[FFmpeg-devel] WMA regression still broken / decouple regression rules

Benjamin Larsson banan
Tue Sep 2 19:11:48 CEST 2008

Michael Niedermayer wrote:
>> IIRC the last working version on x86-64 was r14756.
>> And I think this is the last version which worked with all arch/compiler.
>> r14757 which broke regtests is:
>>   Change wma.c to use the ff_sine_window_init() from mdct.c
> and does reverting it fix it again ? if so lets revert it!
I think the combination of a new way to calculate the sine windows and 
the new fft trigger the changes. I think the suggestion with a fixed 
point mdct would result in a quite numerically stable mdct transform. 
One could use the fixed point mdct in the ac3 encoder to do this.

Benjamin Larsson

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