On 09/25/2012 12:37 PM, Måns Rullgård wrote:
> Justin Ruggles <[email protected]> writes:
> 
>> Use the new function in the volume filter.
>> ---
>>   C: 22249
>> SSE:  1721
>> AVX:  1219
>>
>>  libavfilter/af_volume.c        |    6 +++---
>>  libavutil/float_dsp.c          |    9 +++++++++
>>  libavutil/float_dsp.h          |   15 +++++++++++++++
>>  libavutil/x86/float_dsp.asm    |   40 
>> ++++++++++++++++++++++++++++++++++++++++
>>  libavutil/x86/float_dsp_init.c |    7 +++++++
>>  5 files changed, 74 insertions(+), 3 deletions(-)
> 
> Why do we need vectors of doubles?

We support the sample format. So why not make it 17X faster to apply a
volume change?

-Justin
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