Search found 58 matches

by richardpl
Sat Oct 26, 2019 4:38 pm
Forum: Suggestions
Topic: Adding build module Gl Transitions support ?
Replies: 3
Views: 1247

Re: Adding build module Gl Transitions support ?

That module is insecure to use. So answer is no.
by richardpl
Sat Oct 26, 2019 4:37 pm
Forum: FFmpeg Examples
Topic: Video bit depth
Replies: 4
Views: 1623

Re: Video bit depth

zscale also does pixel format conversion between planar formats.
by richardpl
Sat Oct 19, 2019 9:01 am
Forum: Suggestions
Topic: Adding build module Gl Transitions support ?
Replies: 3
Views: 1247

Re: Adding build module Gl Transitions support ?

It is never gonna be added.
by richardpl
Sat Sep 21, 2019 5:55 pm
Forum: Usage
Topic: Help with plugging in values for the AIIR filter?
Replies: 1
Views: 549

Re: Help with plugging in values for the AIIR filter?

You can use two cascaded biquad filters for such simple coefficients. Make sure that a coefficients are really a and not b and vice versa.
by richardpl
Wed Jul 10, 2019 1:49 pm
Forum: Usage
Topic: showspectrumpic and background color
Replies: 5
Views: 1039

Re: showspectrumpic and background color

Consider donating to FFmpeg for this addition.
by richardpl
Sat Jul 06, 2019 5:42 pm
Forum: Usage
Topic: Apply BiQuad filter to wav at certian timespans
Replies: 12
Views: 1840

Re: Apply BiQuad filter to wav at certian timespans

He can do FFT with afftfilt at expense of huge latency, just set bins he want to 0 (or better to multiply values with very small factor greater than zero). Also he may need huge window size to have good resolution. On another hand afir have options to control latency and performance of filtering no ...
by richardpl
Sat Jul 06, 2019 10:15 am
Forum: Usage
Topic: Completly cut a frequency range
Replies: 12
Views: 1588

Re: Completly cut a frequency range

pandy wrote:
Fri Jul 05, 2019 9:00 pm
Luckily to us filters behaviour doesn't change despite ffmpeg developers efforts
What does this even means?
by richardpl
Sat Jul 06, 2019 10:14 am
Forum: Usage
Topic: Completly cut a frequency range
Replies: 12
Views: 1588

Re: Completly cut a frequency range

pandy wrote:
Thu Jul 04, 2019 6:37 pm
bandreject should be correctly names bandstop filter
No, that are synonyms.
by richardpl
Thu Jul 04, 2019 7:23 pm
Forum: Usage
Topic: Apply BiQuad filter to wav at certian timespans
Replies: 12
Views: 1840

Re: Apply BiQuad filter to wav at certian timespans

Perhaps you want bandpass filter?
Also from zeranoe you can download latest devel version which have timeline support.
by richardpl
Tue Jul 02, 2019 7:36 am
Forum: Usage
Topic: Apply BiQuad filter to wav at certian timespans
Replies: 12
Views: 1840

Re: Apply BiQuad filter to wav at certian timespans

You need certain skills to be helpful to community in general.
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