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eglglessink: Properly init/release resources when going from NULL->READY and the other way around

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This commit is contained in:
Sebastian Dröge 2012-09-24 12:05:22 +02:00
parent 15c93da54e
commit 56b711bd29
1 changed files with 82 additions and 22 deletions
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104
ext/eglgles/gsteglglessink.c
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@ -322,10 +322,13 @@ static const EGLint eglglessink_RGB565_attribs[] = {
EGL_NONE
};
static void gst_eglglessink_finalize (GObject * object);
static void gst_eglglessink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_eglglessink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static GstStateChangeReturn gst_eglglessink_change_state (GstElement * element,
GstStateChange transition);
static GstFlowReturn gst_eglglessink_show_frame (GstVideoSink * vsink,
GstBuffer * buf);
static gboolean gst_eglglessink_setcaps (GstBaseSink * bsink, GstCaps * caps);
@ -1018,11 +1021,10 @@ gst_eglglessink_start (GstBaseSink * sink)
{
GstEglGlesSink *eglglessink = GST_EGLGLESSINK (sink);
if (!eglglessink->egl_started)
if (!egl_init (eglglessink)) {
GST_ERROR_OBJECT (eglglessink, "EGL uninitialized. Bailing out");
goto HANDLE_ERROR;
}
if (!eglglessink->egl_started) {
GST_ERROR_OBJECT (eglglessink, "EGL uninitialized. Bailing out");
goto HANDLE_ERROR;
}
/* Ask for a window to render to */
if (!eglglessink->have_window)
@ -1041,23 +1043,12 @@ HANDLE_ERROR:
return FALSE;
}
static void
gst_eglglessink_wipe_fmt (gpointer data)
{
GstEglGlesImageFmt *format = data;
gst_caps_unref (format->caps);
g_free (format);
}
/* Drafted */
gboolean
gst_eglglessink_stop (GstBaseSink * sink)
{
GstEglGlesSink *eglglessink = GST_EGLGLESSINK (sink);
eglglessink->selected_fmt = NULL;
g_list_free_full (eglglessink->supported_fmts, gst_eglglessink_wipe_fmt);
/* EGL/GLES2 cleanup */
if (eglglessink->rendering_path == GST_EGLGLESSINK_RENDER_SLOW) {
@ -1075,12 +1066,6 @@ gst_eglglessink_stop (GstBaseSink * sink)
if (eglglessink->using_own_window)
platform_destroy_native_window (eglglessink->display, eglglessink->window);
gst_caps_unref (eglglessink->sinkcaps);
eglglessink->sinkcaps = NULL;
g_mutex_free (eglglessink->flow_lock);
eglglessink->flow_lock = NULL;
return TRUE;
}
@ -2162,6 +2147,76 @@ HANDLE_ERROR:
return FALSE;
}
static void
gst_eglglessink_wipe_fmt (gpointer data)
{
GstEglGlesImageFmt *format = data;
gst_caps_unref (format->caps);
g_free (format);
}
static GstStateChangeReturn
gst_eglglessink_change_state (GstElement * element, GstStateChange transition)
{
GstEglGlesSink *eglglessink;
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
eglglessink = GST_EGLGLESSINK (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!egl_init (eglglessink)) {
ret = GST_STATE_CHANGE_FAILURE;
goto done;
}
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_NULL:
g_mutex_lock (eglglessink->flow_lock);
if (eglglessink->display) {
eglTerminate (eglglessink->display);
eglglessink->display = NULL;
}
eglglessink->selected_fmt = NULL;
g_list_free_full (eglglessink->supported_fmts, gst_eglglessink_wipe_fmt);
eglglessink->supported_fmts = NULL;
gst_caps_unref (eglglessink->sinkcaps);
eglglessink->sinkcaps = NULL;
eglglessink->egl_started = FALSE;
g_mutex_unlock (eglglessink->flow_lock);
break;
default:
break;
}
done:
return ret;
}
static void
gst_eglglessink_finalize (GObject * object)
{
GstEglGlesSink *eglglessink;
g_return_if_fail (GST_IS_EGLGLESSINK (object));
eglglessink = GST_EGLGLESSINK (object);
g_mutex_free (eglglessink->flow_lock);
eglglessink->flow_lock = NULL;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_eglglessink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
@ -2252,15 +2307,20 @@ static void
gst_eglglessink_class_init (GstEglGlesSinkClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSinkClass *gstbasesink_class;
GstVideoSinkClass *gstvideosink_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesink_class = (GstBaseSinkClass *) klass;
gstvideosink_class = (GstVideoSinkClass *) klass;
gobject_class->set_property = gst_eglglessink_set_property;
gobject_class->get_property = gst_eglglessink_get_property;
gobject_class->finalize = gst_eglglessink_finalize;
gstelement_class->change_state = gst_eglglessink_change_state;
gstbasesink_class->start = gst_eglglessink_start;
gstbasesink_class->stop = gst_eglglessink_stop;