Hoping a developer can enlighten me as to why I'm having problems chaining
the zoompan filter to the overlay filter.
When I take a single jpg, feed it into zoompan and conjure 250 frames of
output it works fine.
But when I attempt to take those 250 frames and use them as an input to the
overlay fi
I like the idea of JSON syntax.
To avoid escaping problems simply read the arguments out of a file instead of
off the command line.
Suggestion
-vf '@/path/to/filter-syntax' to read filter syntax from a file
-vf '-' to read filter syntax from STDIN
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EDIT: Fixed errors in syntax.
TLDR, Would you consider an 'underlay' filter or perhaps an option on the
'overlay' filter that reverses the order of the input labels?
Consider the following shorthand syntax "[input][a] overlay, [b] overlay, [c]
overlay [output]"
Which expands to "[input][a] over
TLDR, Would you consider an 'underlay' filter or perhaps an option on the
'overlay' filter that reverses the order of the input labels?
Consider the following shorthand syntax "[input][a] overlay [b] overlay [c]
overlay [output]"
Which expands to "[input][a] overlay [unnamed1]; [b][unnamed1] ove
: Tuesday, 24 November 2015 13:49
To: FFmpeg development discussions and patches
Subject: Re: [FFmpeg-devel] fps filter anomaly
On 11/23/2015 11:36 PM, Ryan Williams wrote:
> I am attempting to convert a 0.2fps Slideshow.mov to 25fps using the fps
> filter.
> The problem is the first out
I am attempting to convert a 0.2fps Slideshow.mov to 25fps using the fps filter.
The problem is the first output frame pauses for 5 seconds.
When viewing the output video I expect the frame counter to increment at a rate
of 25fps but it remains on 0 for the first 5 seconds.
[root@ryan tmp]# wget
I am getting an unexpected number of samples in the output of the 'acrossfade'
filter.
In the following example I would expect acrossfade.wav to contain 72,000
samples but it only contains 70,976 samples.
Am I doing something wrong?
[root@ryan ff]# ffmpeg \
-y \
-vn \
-filter_complex " \
The filter 'afifo' is missing from http://ffmpeg.org/ffmpeg-filters.html
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y, 15 September 2015 18:37
To: FFmpeg development discussions and patches
Subject: Re: [FFmpeg-devel] -noautorotate option not shown in help
On 9/15/15, Ryan Williams wrote:
> ffmpeg -h full contains the following line:
>
> -autorotate automatically insert correct rotate f
ffmpeg -h full contains the following line:
-autorotate automatically insert correct rotate filters
I would like to see an additional line included in the output for the
-noautorotate option.
The corresponding comment in doc/ffmpeg.html is "Disable automatically
rotating video based
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