[FFmpeg-devel] [PATCH] avfilter: add framerate video filter

Robert Krüger krueger at lesspain.de
Mon Aug 31 13:45:56 CEST 2015


On Mon, Aug 31, 2015 at 1:35 PM, Andy Furniss <adf.lists at gmail.com> wrote:

> Robert Krüger wrote:
>
>> On Mon, Aug 31, 2015 at 12:51 PM, Andy Furniss <adf.lists at gmail.com>
>> wrote:
>>
>> Andy Furniss wrote:
>>>
>>> I've just done a quick test converting 25i to 30i and the il way
>>> is
>>>
>>>> worse than yadif.
>>>>
>>>> Of course it's just one test with a compressed SD sample which I
>>>> then deint and scale with mpv to see on an HD monitor.
>>>>
>>>>
>>> I repeated with a better quality 40mbit HD 1080i30 x264 version of
>>> parkrun this time going down to i25. The il version looks quite
>>> broken motion wise compared to yadif.
>>>
>>>
>>>
>>> https://drive.google.com/file/d/0BxP5-S1t9VEETEducUEzLXhaOWc/view?usp=sharing
>>>
>>>
>>>
>>
>>> Looking at the file with VLC and yadif deinterlacing turned on it looks
>
>> fine to me. Is this the il sample or the yadif one?
>>
>
> Sorry should have said - it's the master for if you want to recreate the
> test - as I am processing to y4m the results are a bit big to up/down load.
>
> The commands used were the same as posted for the snooker test except
> that this time I was going from 30i to 25i, so fps=25 for il and fps=50
> for the yadif.
>
>
OK, thanks for the sample. It is a very good sample for
interlacing/deinterlacing or also frame interpolation tests (e.g. for
testing mc_fps). Is is rights-free?


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