Questions tagged [image2pipe]
4 questions
6
votes
1 answer
FFMPEG Image2pipe Producing Broken Video
I'm trying to write a program that pipes PNG data into FFMPEG to render it into a video. The program's video output wasn't working so I am using PNG screenshots as debug input.
The screenshots are all valid PNG files that open normally in any image…

GenTel
- 1,448
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3
votes
0 answers
ffmpeg pipe image sequence error
With ffmpeg 3.4, you can now render svg image sequences. With the following it works:
ffmpeg -i images/image-%02d.svg video.mp4
However, piping via
cat images/*.svg | ffmpeg -f image2pipe -c:v svg -i - video.mp4
results in the following…

zylum
- 63
- 3
1
vote
1 answer
how to make ffmpeg output frames at correct rate down to millisecond
using ffmpeg, i am fetching frames from udp stream (hd264 at 25 fps) using following command:
ffmpeg -loglevel debug -i udp://231.20.20.146:2005 -fflags nobuffer -r 1 -preset ultrafast -vf scale=432:243 -f image2pipe -vcodec ppm pipe:1
at the other…

Pavel K.
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0
votes
1 answer
FFMpeg - PhantomJS to Youtube Live
I'm trying to stream a webpage captured with PhantomJS to Youtube using FMMpeg.
This is the command I use:
xvfb-run phantomjs --web-security=no render.js | ffmpeg -threads 0 -y -v verbose -c:v png -r 30 -f image2pipe -i - -f lavfi -i anullsrc…

Victor
- 13
- 4