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[365/906] Cocoa backend: make sure that nsapp is initialized

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gst-launch-0.10 videotestsrc ! tee name=t ! queue ! glimagesink t. ! queue ! glimagesink
now works properly on MacOSX
This commit is contained in:
Julien Isorce 2009-07-27 09:58:20 +02:00 committed by Matthew Waters
parent 579b74d845
commit ca891db2a6
1 changed files with 47 additions and 30 deletions
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77
gst-libs/gst/gl/gstglwindow_cocoa.m
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@ -122,6 +122,7 @@ struct _GstGLWindowPrivate
NSWindow *parent;
NSThread *thread;
gboolean running;
guint source_id;
};
G_DEFINE_TYPE (GstGLWindow, gst_gl_window, G_TYPE_OBJECT);
@ -148,22 +149,59 @@ gst_gl_window_log_handler (const gchar * domain, GLogLevelFlags flags,
}
gboolean
gst_gl_window_nsapp_init (gpointer data)
gst_gl_window_nsapp_init (GCond *nsapp_init_cond)
{
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
[NSApplication sharedApplication];
[pool release];
g_cond_signal (nsapp_init_cond);
return FALSE;
}
gboolean
gst_gl_window_nsapp_iteration (gpointer data)
{
NSEvent *event = nil;
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
if ([NSThread isMainThread]) {
while ((event = ([NSApp nextEventMatchingMask:NSAnyEventMask
untilDate:[NSDate dateWithTimeIntervalSinceNow:0.5]
inMode:NSDefaultRunLoopMode dequeue:YES])) != nil)
[NSApp sendEvent:event];
[pool release];
}
return TRUE;
}
static void
gst_gl_window_class_init (GstGLWindowClass * klass)
{
GObjectClass *obj_class = G_OBJECT_CLASS (klass);
g_idle_add (gst_gl_window_nsapp_init, NULL);
GMutex *nsapp_init_mutex = g_mutex_new ();
GCond *nsapp_init_cond = g_cond_new ();
g_mutex_lock (nsapp_init_mutex);
g_idle_add ((GSourceFunc) gst_gl_window_nsapp_init, nsapp_init_cond);
g_cond_wait (nsapp_init_cond, nsapp_init_mutex);
g_mutex_unlock (nsapp_init_mutex);
g_mutex_free (nsapp_init_mutex);
g_cond_free (nsapp_init_cond);
g_type_class_add_private (klass, sizeof (GstGLWindowPrivate));
obj_class->finalize = gst_gl_window_finalize;
@ -245,6 +283,8 @@ gst_gl_window_new (gint width, gint height, gulong external_gl_context)
[NSApp setDelegate: priv->internal_win_id];
[pool release];
priv->source_id = g_timeout_add_seconds (1, gst_gl_window_nsapp_iteration, priv->internal_win_id);
return window;
}
@ -259,6 +299,8 @@ void
gst_gl_window_set_external_window_id (GstGLWindow * window, gulong id)
{
GstGLWindowPrivate *priv = window->priv;
g_source_remove (priv->source_id);
if (GSRegisterCurrentThread()) {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
@ -343,26 +385,6 @@ gst_gl_window_draw (GstGLWindow * window)
g_debug ("failed to register current thread, cannot draw");
}
gboolean
gst_gl_window_nsapp_iteration (gpointer data)
{
NSEvent *event = nil;
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
if ([NSThread isMainThread]) {
while ((event = ([NSApp nextEventMatchingMask:NSAnyEventMask
untilDate:[NSDate dateWithTimeIntervalSinceNow:0.5]
inMode:NSDefaultRunLoopMode dequeue:YES])) != nil)
[NSApp sendEvent:event];
[pool release];
}
return FALSE;
}
void
gst_gl_window_run_loop (GstGLWindow * window)
{
@ -371,15 +393,10 @@ gst_gl_window_run_loop (GstGLWindow * window)
NSRunLoop *run_loop = [NSRunLoop currentRunLoop];
g_debug ("begin loop: %lud\n", (gulong) run_loop);
if (priv->internal_win_id != nil) {
while(priv->running) {
while(priv->running)
[run_loop runUntilDate:[NSDate dateWithTimeIntervalSinceNow:1]];
if (!priv->parent)
g_idle_add (gst_gl_window_nsapp_iteration, priv->internal_win_id);
}
[priv->internal_win_id release];
priv->internal_win_id = nil;