[FFmpeg-devel] [Patch] beautified + accelerated vf_fillborders – Please review

Carl Eugen Hoyos ceffmpeg at gmail.com
Tue Mar 26 18:20:32 EET 2019


2019-03-26 17:17 GMT+01:00, Ulf Zibis <Ulf.Zibis at cosoco.de>:
>
> Am 26.03.19 um 16:32 schrieb Carl Eugen Hoyos:
>> 2019-03-26 16:28 GMT+01:00, Ulf Zibis <Ulf.Zibis at cosoco.de>:
>>> Am 26.03.19 um 16:10 schrieb Carl Eugen Hoyos:
>>>> 2019-03-26 15:56 GMT+01:00, Ulf Zibis <Ulf.Zibis at cosoco.de>:
>>>>
>>>>> I'm trying to benchmark -vf fillborders (added the timer
>>>>> code in vf_fillborders.c), so Carl Eugen's suggestion
>>>>> to use /dev/zero as input would not make sense.
>>>> Please elaborate.
>>> It seems I'm doing something wrong:
>>>
>>> ich at T500:~/Projects/ffmpeg/dev$ ./ffmpeg-p7b -y -stream_loop 1024
>>> -i /dev/zero -vf fillborders=25:25:25:25:mirror -f null -
>> $ ffmpeg -f rawvideo -s hd1080 -i /dev/zero -vf ... -t 1000 -f null -
>>
>> It may be that the performance of the filter cannot be
>> tested like this, I don't know.

> I suspect, you are right on not suitable for performance test.

(I did not claim that, on the contrary.)
Why not?

Carl Eugen


More information about the ffmpeg-devel mailing list