A question about multiple players

[Olivier Crête]

Hi,

You don't need a separate gmainloop per pipeline, you can use the same one for all of them. They'll all use the default main context. So you do steps 3 & 6 only once.

Olivier

On September 6, 2019 4:32:41 p.m. EDT, 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?

-- 
Olivier Crête
olivier.crete at collabora.com