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

Muhammad Faiz mfcc64 at gmail.com
Wed Mar 8 11:16:53 EET 2017


On Tue, Mar 7, 2017 at 4:04 PM, Muhammad Faiz <mfcc64 at gmail.com> wrote:
> 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

Pushed

Thank's


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