Wayland gtk windowing (glimagesink)

[Davide Cavion]

Francois doesn't have a lot of test equipment. What kind of input is 
your test equipment expecting? Do you have a 10 MHz LPF you can try?

Davide Cavion
RFNM Inc; Srl
+39 3515916607

On 4/29/2024 6:15 AM, Gregoire Gentil via gstreamer-devel wrote:
> Thanks for helping. Still not working.
>
> I have replaced glimagesink by waylandsink. If I don't call 
> "gst_video_overlay_set_window_handle", the video appears in the back. 
> So at least, waylandsink is working. But note that the video is 
> appearing without being part of any window at all.
>
> If I call "gst_video_overlay_set_window_handle", the video doesn't 
> appear and doesn't play. I also receive the following message:
>
> waylandsink cannot use an externally-supplied surface without an 
> externally-supplied display handle. Consider providing a display 
> handle from your application with GstContext
>
> Am I missing another API call?
>
> Grégoire
>
>
> On 4/28/24 20:28, Max Weng wrote:
>> I understand your situation better now. :) I've noticed that the 
>> video indeed appears in a separate window with other sinks as well. 
>> It seems that in my experience, only |waylandsink|consistently 
>> integrates directly into the GTK window without issues.
>>
>> On Mon, 29 Apr 2024 at 10:51, Gregoire Gentil <gregoire at gentil.com 
>> <mailto:gregoire at gentil.com>> wrote:
>>
>>     I could have been more precise: the glimageslink pipeline does 
>> work and
>>     the video appears in a separated window if I don't link it to the
>>     window
>>     with the code mentioned below. What I want to do is to insert the 
>> video
>>     inside the gtk window.
>>
>>     Also glimagesink has the unique advantage to work on both wayland 
>> and
>>     non-wayland systems,
>>
>>     Grégoire
>>
>>
>>
>>
>>     On 4/28/24 19:12, Max Weng wrote:
>>      > try use waylandsink?
>>      >
>>      > this work for me "rtspsrc name=rtspsrc location={url} 
>> protocols=tcp
>>      > latency=10 max-rtcp-rtp-time-diff=10 ! errorignore ! rtph265depay
>>      > name=depay ! h265parse ! avdec_h265 name=avdec ! videoconvert !
>>      > video/x-raw, format=RGBA ! waylandsink name=sink"
>>      >
>>      > On Mon, 29 Apr 2024 at 06:18, Gregoire Gentil via gstreamer-devel
>>      > <gstreamer-devel at lists.freedesktop.org
>>     <mailto:gstreamer-devel at lists.freedesktop.org>
>>      > <mailto:gstreamer-devel at lists.freedesktop.org
>>     <mailto:gstreamer-devel at lists.freedesktop.org>>> wrote:
>>      >
>>      >     Hello,
>>      >
>>      >     I had an application with a gtk+-3.0 window and a pipeline 
>> "... !
>>      >     imagesink". The video is rendered inside the gtk window.
>>      >
>>      >     I was doing:
>>      >     static void realize_cb(GtkWidget *widget, CustomData *data) {
>>      >     GdkWindow *window = gtk_widget_get_window(widget);
>>      >     data->window_handle = GDK_WINDOW_XID(window);
>>      >
>>      >     and then:
>>      >
>>      >     static GstBusSyncReply bus_sync_handler(GstBus * bus,
>>     GstMessage *
>>      >     message, CustomData *data) {
>>      > 
>>  gst_video_overlay_set_window_handle(GST_VIDEO_OVERLAY(data->video_sink),
>>      >     data->window_handle);
>>      >
>>      >     Everything was working fine. I want now to support wayland
>>     system.
>>      >
>>      >     Pipeline becomes: "... ! glimagesink".
>>      >
>>      >     in the realize_cb function, I have now:
>>      >     GdkWindow *window = gtk_widget_get_window(widget);
>>      >     data->window_handle =
>>      >  (guintptr)gdk_wayland_window_get_wl_surface(window);
>>      >
>>      >
>>      >     At run-time, I'm getting hundreds of:
>>      >     "GStreamer-GL-CRITICAL **: 14:06:48.263: Failed to flush 
>> Wayland
>>      >     connection"
>>      >
>>      >     What am I doing wrong? Many thanks in advance for any hint,
>>      >
>>      >     Grégoire
>>      >
>>