[FFmpeg-user] JPEG to MP4 (or WMV)
Carl Eugen Hoyos
cehoyos at ag.or.at
Wed Jun 19 09:42:22 CEST 2013
fatalaccidents <thefatalaccidents <at> gmail.com> writes:
> I have been trying to convert a batch of jpg's to an
> mp4 using the command:
> cat *.jpg | ffmpeg -y -f image2pipe -r 10 -vcodec mjpeg
> -i - -vcodec copy out.mp4
Is jpeg in mp4 really defined?
> Here is the first JPG. Notice the three dark
> spots in the road near the top:
(Definitely full-scale yuvj, not yuv.)
> The resulting video is white washed :(
This is extremely difficult to understand:
You use -vcodec copy above, meaning the frames are
copied unchanged into the output container.
Which application plays the video "white washed"?
> It is very important for the movie to have the
> colors very very close to being what is seen in
> the jpg's. I'm actually converting it into a wmv
> with the command:
> ffmpeg -i %s.mp4 -c:v wmv2 -b:v 20M -s 720x720
> -c:a wmav2 -b:a 192k %s.wmv
> So it would be an added bonus if I could go from
> the jpg to the wmv in one step
So why don't you do that?
In any case:
Complete, uncut console output missing.
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