Segment event problem

[Deepak Jain]

Hi,

I am using GStreamer 1.0.

My GST pipeline is like that whenever their is multi-tasking between two
video playing applications, I have to remove hardware components from my
pipeline(mostly decoder and renderer).

When my application comes on foreground, I again recreate those components,
sync the state of pipeline with older elements and then put the pipeline on
play state.

Now when I remove componets, some packets gets lost which were in decoder
or renderer.
When I come in foreground, my application do not send I frame because to
him, it was just a pause condition. So my application just starts giving
next packet, so my I frame is bit late, so it looks like video has paused
before starting.

To improve this thing, I have stored frames between two Keyframes
continously.

So that if my hardware components are destroyed and I again re-create them,
I check what was the last keyframe that was pushed, and I again starts
sending frames from last keyframe.

This results in no data loss, but there is one problem.
The frames move fast for a second or so.

This may be because clock running time is ahead of the buffer running
time.(Because the time of buffer which I am sending has already elapsed,
and I am sending it again).

So basically problem is I have not been able to make the clock running time
and buffer running time as equal.

For this, I have to move back the clock running time.

I only have the PTS information of all the frames that I have with me.

Segment events can help solve this problem. But I am not able to make
correct segment event so that this problem of video frames moving
fast(possibly being dropped since clock running time is ahead).

Can somebody help me how can I make a correct GstSegment so that I can
solve my problem.

Thanks in advance.

BR
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