I have a rtspsrc pipeline and I wish to show video frames on dear-imgui based
window while playing audio. I wish to use appsink to extract frames but I
don't know how to ! Sample code tells it's getting frames but how will I
convert them to gl textures ? Thanks for any help.
!!! I was using overlay method and using SDL2 I connected SDL2 window with
xvimagesink but we need subwindow in window and sdl2,glfw etc. doesn't
support this. Because of this, I returned back to extract frames to show in
window.
static GstFlowReturn on_new_sample_from_sink (GstElement * sink, ProgramData
* data)
{
GstSample *sample;
/* Retrieve the buffer */
g_signal_emit_by_name (sink, "pull-sample", &sample);
if (sample) {
/* The only thing we do in this example is print a * to indicate a
received buffer */
g_print ("*");
gst_sample_unref (sample);
return GST_FLOW_OK;
}
return GST_FLOW_ERROR;
}
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