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waylandsink: fail gracefully with an error message if we can't connect to wayland

Browse source 
g_return_val_if_fail() is not for error handling, it's for
catching programming errors in public API.

Fixes problem with generic/states unit test.
This commit is contained in:
Tim-Philipp Müller 2012-09-13 01:07:46 +01:00
parent 871f7e0450
commit 4ed3d60bd2
1 changed files with 12 additions and 1 deletions
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13
ext/wayland/gstwaylandsink.c
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@ -307,7 +307,11 @@ create_display (void)
display = malloc (sizeof *display);
display->display = wl_display_connect (NULL);
g_return_val_if_fail (display->display, NULL);
if (display->display == NULL) {
free (display);
return NULL;
}
wl_display_add_global_listener (display->display,
display_handle_global, display);
@ -451,6 +455,13 @@ gst_wayland_sink_start (GstBaseSink * bsink)
if (!sink->display)
sink->display = create_display ();
if (sink->display == NULL) {
GST_ELEMENT_ERROR (bsink, RESOURCE, OPEN_READ_WRITE,
("Could not initialise Wayland output"),
("Could not create Wayland display"));
return FALSE;
}
return result;
}