What's the correct way to play sources from different offsets/times?

[Trey Hutcheson]

Perfect! Thank you.

I had tried setting the offset on other pads, but I guess I was too far
upstream. Thanks again.

On Tue, Feb 2, 2021 at 1:41 PM Olivier Crête <olivier.crete at collabora.com>
wrote:

> Hi,
>
> To add a time difference, you just need to set the "offset" property on
> the first pad where there is a timestamp, so after the demuxer. You don't
> even need to have a timer, the sink will wait until the right time is
> reached.
>
> Olivier
>
> On Tue, 2021-02-02 at 13:20 -0600, Trey Hutcheson wrote:
>
> I have two video files that were created by a single pipeline; they were
> started approximately 5 seconds apart. Each video has a time overlay.
>
> I would like to play these two videos back in the same pipeline (for now,
> each to a different video sink/window), but respect their different start
> times.
>
> I've built a pipeline that watches the clock, and when the clock advances
> past a certain threshold (roughly 5 seconds), it wires in the second video
> and starts playing it from a filesrc. However, when the second video
> starts, the video itself starts 5 seconds *into* the video, if that makes
> sense. The time overlay displayed in the video is roughly 5 seconds later
> than if I play the file in an independent viewer.
>
> So what's the proper way to control the relative position of this second
> video stream? Seek on the filesrc? Seek on the demuxer. Set a negative
> start time or offset on an element somewhere?
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>
> --
>
> Olivier Crête
> olivier.crete at collabora.com
>
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