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camerabin2: do proper EOS handling on send_event(eos)

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We first let the inner camera EOS. Then we manually post EOS on the image and
video sinks if those are <= READY and so have ignored EOS events.
This commit is contained in:
Alessandro Decina 2011-05-12 11:17:28 +00:00 committed by Thiago Santos
parent 9e9507b645
commit 90221c4a82
1 changed files with 37 additions and 0 deletions
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37
gst/camerabin2/gstcamerabin2.c
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@ -148,6 +148,8 @@ static void gst_camera_bin_dispose (GObject * object);
static void gst_camera_bin_finalize (GObject * object);
static void gst_camera_bin_handle_message (GstBin * bin, GstMessage * message);
static gboolean gst_camera_bin_send_event (GstElement * element,
GstEvent * event);
GType
gst_camera_bin_get_type (void)
@ -459,6 +461,7 @@ gst_camera_bin_class_init (GstCameraBinClass * klass)
object_class->get_property = gst_camera_bin_get_property;
element_class->change_state = GST_DEBUG_FUNCPTR (gst_camera_bin_change_state);
element_class->send_event = GST_DEBUG_FUNCPTR (gst_camera_bin_send_event);
bin_class->handle_message = gst_camera_bin_handle_message;
@ -1323,6 +1326,40 @@ gst_camera_bin_change_state (GstElement * element, GstStateChange trans)
return ret;
}
static gboolean
gst_camera_bin_send_event (GstElement * element, GstEvent * event)
{
GstCameraBin *camera = GST_CAMERA_BIN_CAST (element);
gboolean res;
res = GST_ELEMENT_CLASS (parent_class)->send_event (element, event);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
{
GstState current;
if (camera->videosink) {
gst_element_get_state (camera->videosink, &current, NULL, 0);
if (current <= GST_STATE_READY)
gst_element_post_message (camera->videosink,
gst_message_new_eos (GST_OBJECT (camera->videosink)));
}
if (camera->imagesink) {
gst_element_get_state (camera->imagesink, &current, NULL, 0);
if (current <= GST_STATE_READY)
gst_element_post_message (camera->imagesink,
gst_message_new_eos (GST_OBJECT (camera->imagesink)));
}
break;
}
default:
break;
}
return res;
}
static void
gst_camera_bin_set_location (GstCameraBin * camera, const gchar * location)
{