Hi there:

I'm trying to use live media server to stream out video, captured live from an HD camera, but streamed on demand starting at an arbitrary point. My plan is to use dvgrab (in linux) to grab the firewire HDV stream, pipe it into ffmpeg and transcode to a file that can be streamed by live555. Then I can use a trick play command from my streaming client (VLC) to seek to the desired point in the stream. This involves streaming from a file that is still being written, but this seems to work. At least it works with mpeg ps files except for the fact that there is an av sync issue after the seek operation.

I'm having a problem when trying to trick play from mkv files produced by ffmpeg in that I cannot seek in them. I don't seem to be able to play back webm files at all (at least, VLC doesn't like them).

Are there any restrictions on what mkv/webm files support trick play? Any special settings needed in ffmpeg when generating them?

Or any chance that the AV sync problem with seeking in ps files will get resolved?

Anthony

--


Anthony Brown
Audiovisual coordinator
Brunswick Street Baptist Church
Telephone: (506)-458-8348 (leave message)
Email:     a...@bsbc.nb.ca

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