mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-01-11 09:55:36 +00:00
Code Issues 1 Projects Releases Wiki Activity

videooverlay: add convenience API to check if a message is a prepare-window-handle message

Browse source 
API: gst_is_video_overlay_prepare_window_handle_message()
This commit is contained in:
Tim-Philipp Müller 2011-08-08 14:41:17 +01:00
parent d5f44ec6ea
commit 301bd8b0bf
5 changed files with 61 additions and 42 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
gst-libs/gst/interfaces/videooverlay.c
View file

@ -64,10 +64,7 @@
* create_window (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
* {
* // ignore anything but 'prepare-window-handle' element messages
* if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT)
* return GST_BUS_PASS;
*
* if (!gst_structure_has_name (message->structure, "prepare-window-handle"))
* if (!gst_is_video_overlay_prepare_window_handle_message (message))
* return GST_BUS_PASS;
*
* win = XCreateSimpleWindow (disp, root, 0, 0, 320, 240, 0, 0, 0);
@ -154,9 +151,7 @@
* bus_sync_handler (GstBus * bus, GstMessage * message, gpointer user_data)
* {
* // ignore anything but 'prepare-window-handle' element messages
* if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT)
* return GST_BUS_PASS;
* if (!gst_structure_has_name (message->structure, "prepare-window-handle"))
* if (!gst_is_video_overlay_prepare_window_handle_message (message))
* return GST_BUS_PASS;
*
* if (video_window_xid != 0) {
@ -493,3 +488,25 @@ gst_video_overlay_set_render_rectangle (GstVideoOverlay * overlay,
}
return FALSE;
}
/**
* gst_is_video_overlay_prepare_window_handle_message:
* @msg: a #GstMessage
*
* Convenience function to check if the given message is a
* "prepare-window-handle" message from a #GstVideoOverlay.
*
* Since: 0.11.2
*
* Returns: whether @msg is a "prepare-window-handle" message
*/
gboolean
gst_is_video_overlay_prepare_window_handle_message (GstMessage * msg)
{
g_return_val_if_fail (msg != NULL, FALSE);
if (GST_MESSAGE_TYPE (msg) != GST_MESSAGE_ELEMENT)
return FALSE;
return gst_message_has_name (msg, "prepare-window-handle");
}

2
gst-libs/gst/interfaces/videooverlay.h
View file

@ -92,6 +92,8 @@ void gst_video_overlay_got_window_handle (GstVideoOverlay * overlay,
void gst_video_overlay_prepare_window_handle (GstVideoOverlay * overlay);
gboolean gst_is_video_overlay_prepare_window_handle_message (GstMessage * msg);
G_END_DECLS
#endif /* __GST_VIDEO_OVERLAY_H__ */

33
tests/examples/seek/jsseek.c
View file

@ -2446,27 +2446,28 @@ static gulong embed_xid = 0;
static GstBusSyncReply
bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * data)
{
if ((GST_MESSAGE_TYPE (message) == GST_MESSAGE_ELEMENT) &&
gst_message_has_name (message, "prepare-window-handle")) {
GstElement *element = GST_ELEMENT (GST_MESSAGE_SRC (message));
GstElement *element;
g_print ("got prepare-window-handle, setting XID %lu\n", embed_xid);
if (!gst_is_video_overlay_prepare_window_handle_message (message))
return GST_BUS_PASS;
if (g_object_class_find_property (G_OBJECT_GET_CLASS (element),
"force-aspect-ratio")) {
g_object_set (element, "force-aspect-ratio", TRUE, NULL);
}
element = GST_ELEMENT (GST_MESSAGE_SRC (message));
/* Should have been initialised from main thread before (can't use
* GDK_WINDOW_XID here with Gtk+ >= 2.18, because the sync handler will
* be called from a streaming thread and GDK_WINDOW_XID maps to more than
* a simple structure lookup with Gtk+ >= 2.18, where 'more' is stuff that
* shouldn't be done from a non-GUI thread without explicit locking). */
g_assert (embed_xid != 0);
g_print ("got prepare-window-handle, setting XID %lu\n", embed_xid);
gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (element),
embed_xid);
if (g_object_class_find_property (G_OBJECT_GET_CLASS (element),
"force-aspect-ratio")) {
g_object_set (element, "force-aspect-ratio", TRUE, NULL);
}
/* Should have been initialised from main thread before (can't use
* GDK_WINDOW_XID here with Gtk+ >= 2.18, because the sync handler will
* be called from a streaming thread and GDK_WINDOW_XID maps to more than
* a simple structure lookup with Gtk+ >= 2.18, where 'more' is stuff that
* shouldn't be done from a non-GUI thread without explicit locking). */
g_assert (embed_xid != 0);
gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (element), embed_xid);
return GST_BUS_PASS;
}
#endif

33
tests/examples/seek/seek.c
View file

@ -1583,27 +1583,28 @@ static gulong embed_xid = 0;
static GstBusSyncReply
bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * data)
{
if ((GST_MESSAGE_TYPE (message) == GST_MESSAGE_ELEMENT) &&
gst_message_has_name (message, "prepare-window-handle")) {
GstElement *element = GST_ELEMENT (GST_MESSAGE_SRC (message));
GstElement *element;
g_print ("got prepare-window-handle, setting XID %lu\n", embed_xid);
if (!gst_is_video_overlay_prepare_window_handle_message (message))
return GST_BUS_PASS;
if (g_object_class_find_property (G_OBJECT_GET_CLASS (element),
"force-aspect-ratio")) {
g_object_set (element, "force-aspect-ratio", TRUE, NULL);
}
element = GST_ELEMENT (GST_MESSAGE_SRC (message));
/* Should have been initialised from main thread before (can't use
* GDK_WINDOW_XID here with Gtk+ >= 2.18, because the sync handler will
* be called from a streaming thread and GDK_WINDOW_XID maps to more than
* a simple structure lookup with Gtk+ >= 2.18, where 'more' is stuff that
* shouldn't be done from a non-GUI thread without explicit locking). */
g_assert (embed_xid != 0);
g_print ("got prepare-window-handle, setting XID %lu\n", embed_xid);
gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (element),
embed_xid);
if (g_object_class_find_property (G_OBJECT_GET_CLASS (element),
"force-aspect-ratio")) {
g_object_set (element, "force-aspect-ratio", TRUE, NULL);
}
/* Should have been initialised from main thread before (can't use
* GDK_WINDOW_XID here with Gtk+ >= 2.18, because the sync handler will
* be called from a streaming thread and GDK_WINDOW_XID maps to more than
* a simple structure lookup with Gtk+ >= 2.18, where 'more' is stuff that
* shouldn't be done from a non-GUI thread without explicit locking). */
g_assert (embed_xid != 0);
gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (element), embed_xid);
return GST_BUS_PASS;
}
#endif

4
tests/icles/stress-videooverlay.c
View file

@ -145,10 +145,8 @@ create_window (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
const GstStructure *s;
GstVideoOverlay *ov = NULL;
s = gst_message_get_structure (message);
if (s == NULL || !gst_structure_has_name (s, "prepare-window-handle")) {
if (!gst_is_video_overlay_prepare_window_handle_message (message))
return GST_BUS_PASS;
}
ov = GST_VIDEO_OVERLAY (GST_MESSAGE_SRC (message));