dynamic live source and linear muxed output stream

[Sebastian Dröge]

On Di, 2014-02-04 at 14:41 +0100, Edouard Dupin wrote:
> Hello,
> 
> We have a dynamic live source that can change the type of stream (mpegts 
> to ???) and we need to keep a static output (constant framerate, and 
> specific size)
> Note that our output is a http sink.
> 
> [...]
> We have tried some solution, but we request your opinion about our choice.
> 
> Our tested solution:
> - Re-timestamp the buffer "PTS" just after push out of the decoder and 
> send modified segment->position to the current push time (linear 
> timestamp from the starting of the pipeline) to the muxer ==> but it 
> does not seams to be a good solution.
> - An other way could be to modify the muxer to manage change input 
> segment to generate continuous output.

You'll either have to re-timestamp the input or ideally you would use
pad offsets after the input switch (gst_pad_set_offset()).

You have to do something to make sure that the running time of buffers
is continuous before and after the switch and that there is no jump
anywhere.

-- 
Sebastian Dröge, Centricular Ltd - http://www.centricular.com
Expertise, Straight from the Source
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