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dshowvideosink: allow changing window ID whilst in PLAYING state

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=574290
This commit is contained in:
Raimo Jarvi 2010-07-25 17:01:19 +02:00 committed by Tim-Philipp Müller
parent 3579c1164b
commit 7ab007bafe
1 changed files with 17 additions and 1 deletions
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18
sys/dshowvideosink/dshowvideosink.cpp
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@ -82,6 +82,7 @@ static gboolean gst_dshowvideosink_unlock_stop (GstBaseSink * bsink);
static gboolean gst_dshowvideosink_set_caps (GstBaseSink * bsink, GstCaps * caps);
static GstCaps *gst_dshowvideosink_get_caps (GstBaseSink * bsink);
static GstFlowReturn gst_dshowvideosink_show_frame (GstVideoSink *sink, GstBuffer *buffer);
static void gst_dshowvideosink_set_window_for_renderer (GstDshowVideoSink *sink);
/* COM initialization/uninitialization thread */
static void gst_dshowvideosink_com_thread (GstDshowVideoSink * sink);
@ -108,6 +109,7 @@ static void
gst_dshowvideosink_set_window_id (GstXOverlay * overlay, ULONG window_id)
{
GstDshowVideoSink *sink = GST_DSHOWVIDEOSINK (overlay);
HWND previous_window = sink->window_id;
HWND videowindow = (HWND)window_id;
if (videowindow == sink->window_id) {
@ -115,8 +117,21 @@ gst_dshowvideosink_set_window_id (GstXOverlay * overlay, ULONG window_id)
return;
}
/* TODO: What if we already have a window? What if we're already playing? */
sink->window_id = videowindow;
/* Update window if we're already playing. */
if (sink->connected && sink->filter_media_event) {
HRESULT hres;
/* Return control of application window */
SetWindowLongPtr (previous_window, GWL_WNDPROC, (LONG)sink->prevWndProc);
SetWindowPos (previous_window, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
gst_dshowvideosink_set_window_for_renderer (sink);
hres = sink->filter_media_event->SetNotifyWindow ((OAHWND)sink->window_id, WM_GRAPH_NOTIFY, 0);
GST_DEBUG_OBJECT (sink, "SetNotifyWindow(%p) returned %x", sink->window_id, hres);
}
}
static void
@ -535,6 +550,7 @@ LRESULT APIENTRY WndProcHook (HWND hWnd, UINT message, WPARAM wParam, LPARAM lPa
* Then forward back to the original window.
*/
GstDshowVideoSink *sink = (GstDshowVideoSink *)GetProp (hWnd, L"GstDShowVideoSink");
g_assert (sink != NULL);
switch (message) {
case WM_GRAPH_NOTIFY: