[FFmpeg-devel] [PATCH] swresample/resample: use uniform normalization

Muhammad Faiz mfcc64 at gmail.com
Tue Mar 7 11:04:22 EET 2017


On Mon, Mar 6, 2017 at 5:06 PM, Muhammad Faiz <mfcc64 at gmail.com> wrote:
> On Fri, Mar 3, 2017 at 3:58 PM, Muhammad Faiz <mfcc64 at gmail.com> wrote:
>> On Wed, Mar 1, 2017 at 10:24 PM, Muhammad Faiz <mfcc64 at gmail.com> wrote:
>>> this gives better frequency response
>>>
>>> update swresample fate and other fates
>>> that depend on resampling
>>>
>>> Signed-off-by: Muhammad Faiz <mfcc64 at gmail.com>
>>> ---
>>>  libswresample/resample.c     |  14 +--
>>>  tests/fate/libswresample.mak | 276 +++++++++++++++++++++----------------------
>>>  tests/ref/acodec/roqaudio    |   2 +-
>>>  tests/ref/acodec/s302m       |   6 +-
>>>  tests/ref/lavf/dv_fmt        |   8 +-
>>>  tests/ref/lavf/gxf           |   8 +-
>>>  tests/ref/lavf/mxf           |  12 +-
>>>  7 files changed, 163 insertions(+), 163 deletions(-)
>>>
>>
>> Test case, from 44100 to 705600 (16*44100)
>> ffmpeg -filter_complex "aevalsrc='if(n-300,0,1)',
>> aresample=osr=705600:filter_size=16" -f f32le - | ./freq-resp >
>> freq-resp.txt
>>
>>
>> gnuplot result attached
>
> ping

I will push this tomorrow if no one object

thanks


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