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gl/cocoa: register only one custom nsapp loop

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Otherwise the pipeline stalls when running
more than one glimagesink with gst-launch.

Also only register the custom nsapp loop
when setting up the nsapp from gstgl.
This commit is contained in:
Julien Isorce 2015-03-01 19:57:23 +00:00
parent 4801db552d
commit 74c294892d
2 changed files with 32 additions and 14 deletions
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2
gst-libs/gst/gl/cocoa/gstgl_cocoa_private.h
View file

@ -38,8 +38,6 @@ struct _GstGLContextCocoaPrivate
CGLContextObj external_gl_context;
GstGLAPI context_api;
gint source_id;
};

44
gst-libs/gst/gl/cocoa/gstglcontext_cocoa.m
View file

@ -50,8 +50,12 @@ G_DEFINE_TYPE_WITH_CODE (GstGLContextCocoa, gst_gl_context_cocoa,
*/
#ifndef GSTREAMER_GLIB_COCOA_NSAPPLICATION
static gboolean gst_gl_window_cocoa_nsapp_iteration (gpointer data);
static GMutex nsapp_lock;
static GCond nsapp_cond;
static gint nsapp_count = 0;
static gint nsapp_source_id = 0;
static gboolean
gst_gl_window_cocoa_init_nsapp (gpointer data)
@ -72,9 +76,13 @@ gst_gl_window_cocoa_init_nsapp (gpointer data)
*/
/* has to be called in the main thread */
[NSApplication sharedApplication];
if ([NSThread isMainThread]) {
[NSApplication sharedApplication];
GST_DEBUG ("NSApp initialized from a GTimeoutSource");
GST_DEBUG ("NSApp initialized from a GTimeoutSource");
nsapp_source_id = g_timeout_add (60, gst_gl_window_cocoa_nsapp_iteration, NULL);
}
[pool release];
@ -106,6 +114,23 @@ gst_gl_window_cocoa_nsapp_iteration (gpointer data)
return TRUE;
}
static void
gst_gl_context_cocoa_check_nsapp_loop (gboolean activate)
{
g_mutex_lock (&nsapp_lock);
if (activate) ++nsapp_count;
else --nsapp_count;
if (nsapp_count == 0) {
if (nsapp_source_id)
g_source_remove (nsapp_source_id);
nsapp_source_id = 0;
}
g_mutex_unlock (&nsapp_lock);
}
static gpointer
gst_gl_context_cocoa_setup_nsapp (gpointer data)
{
@ -314,7 +339,7 @@ gst_gl_context_cocoa_create_context (GstGLContext *context, GstGLAPI gl_api,
#ifndef GSTREAMER_GLIB_COCOA_NSAPPLICATION
static GOnce once = G_ONCE_INIT;
g_once (&once, gst_gl_context_cocoa_setup_nsapp, context);
priv->source_id = g_timeout_add (60, gst_gl_window_cocoa_nsapp_iteration, NULL);
gst_gl_context_cocoa_check_nsapp_loop (TRUE);
#endif
priv->gl_context = nil;
@ -353,8 +378,7 @@ gst_gl_context_cocoa_create_context (GstGLContext *context, GstGLAPI gl_api,
if (!context_cocoa->priv->gl_context) {
#ifndef GSTREAMER_GLIB_COCOA_NSAPPLICATION
g_source_remove (priv->source_id);
priv->source_id = 0;
gst_gl_context_cocoa_check_nsapp_loop (FALSE);
#endif
goto error;
}
@ -382,14 +406,10 @@ error:
static void
gst_gl_context_cocoa_destroy_context (GstGLContext *context)
{
GstGLContextCocoa *context_cocoa = GST_GL_CONTEXT_COCOA (context);
GstGLContextCocoaPrivate *priv = context_cocoa->priv;
/* FIXME: Need to release context and other things? */
if (priv->source_id) {
g_source_remove (priv->source_id);
priv->source_id = 0;
}
#ifndef GSTREAMER_GLIB_COCOA_NSAPPLICATION
gst_gl_context_cocoa_check_nsapp_loop (FALSE);
#endif
}
static guintptr