A question about multiple players

[David Ing]

Steps 8-10 are in the correct order (my code does it that way).

But I don't have a step 11 because I don't use a GMainLoop.  I would guess
that the main loop should stop before step 8 but I am only guessing.

On Fri, Sep 6, 2019 at 1:32 PM Ben Rush <ben at ben-rush.net> wrote:

> I have a need to put multiple video windows in a single application. This
> means multiple pipelines. For example, the RTSP URL is different for each
> player, and so I get a new pipeline for each invocation
> of gst_parse_launch.
>
> I can share code, but in general: what is the best way to do this? The way
> I'm doing this now (for EACH player I've instantiated in the SAME app):
>
> 1) gst_parse_launch, get back the pipeline,
> 2) gst_pipeline_get_bus, to create a bus on this pipeline.
> 3) g_main_loop_new(NULL, FALSE) to create a new loop (this is where my
> main question is at)
> 4) gst_bus_add_watch to create an add watch on this pipeline,
> 5) gst_element_set_state to set my pipeline state to GST_STATE_PLAYING
> 6) g_main_loop_run on the loop returned from #3
> 7) Then I play until a stop is issued....
> 8) gst_element_set_state(pipeline, GST_STATE_NULL)
> 9) unref the bus,
> 10) unref the pipeline
> 11) unref the loop
>
> I ask about this order, and the fact I'm creating a new loop without an
> independent context because I'm getting some random crashes in my app
> hosting multiple players, and it appears to be during tear down. In
> general, is this pattern acceptable, or have I committed a sin somewhere?
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