[FFmpeg-user] generating silent audio streams simultaneous with lavfi / generated video
Carl Eugen Hoyos
cehoyos at ag.or.at
Wed Jul 1 08:45:47 CEST 2015
James Heliker <james.heliker <at> gmail.com> writes:
> C:\ffmpeg.exe -f lavfi -i color=c=black:s=1920x1080
> -frames:v 10
> -r 29.97
The color filter has a rate option.
> However that results in a file with only video
> stream - no audio.
You failed to provide an input audio stream to
ffmpeg, I usually use:
ffmpeg -f s16le -i /dev/zero
The anullsrc filter should work fine on Windows.
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