[FFmpeg-user] "Piping" to c#

[Michael Bradshaw]

On Wed, Jun 27, 2012 at 2:31 PM, Marco Baumgärtner
<kalleernst at googlemail.com> wrote:
> Hello.
>
> I'd like to encode images I create in c# directly into a video using ffmpeg.
> I thought about exporting jpgs in c# to feed ffmpeg with to have a buffer.
> But simply assuming a number of images to be available would lead to ffmpeg
> being faster than my code so ffmpeg may exit prematurely. So I am looking
> for a command line to make ffmpeg encode images until a "stop signal" of
> some kind comes for it to finalize the movie file. In other words(from
> ffmpeg perspective): More and more files are piling up, like image0001.jpg,
> image0002.jpg,... Starting now with encoding might make ffmpeg come to the
> last currently output file while there are more to come. But at the time of
> ffmpeg execution there were not any more. So the given files are being
> processed, ffmpeg exits like a dog who wags its tail and waits for its
> reward ;)

I think, though I could be wrong, that what you're looking for is -f
image2pipe. You should be able to then pipe the images into ffmpeg
without ever having to write them to disk.

--Michael