wrappercamerabinsrc: set src to ready when there are no pending buffers

Setting to ready will block waiting for buffers to be reclaimed, so flush
before setting to null to make sure no buffers are pending

https://bugzilla.gnome.org/show_bug.cgi?id=733072

diff --git a/gst/camerabin2/gstwrappercamerabinsrc.c b/gst/camerabin2/gstwrappercamerabinsrc.c
index a00785f1a9969db38d0cf2a3b3c172882f29a950..32fb38ee07ccfb5bc6c8635a6ad8377984c810d3 100644 (file)
--- a/gst/camerabin2/gstwrappercamerabinsrc.c
+++ b/gst/camerabin2/gstwrappercamerabinsrc.c
@@ -828,7 +828,6 @@ start_image_capture (GstWrapperCameraBinSrc * self)
   GstPad *pad, *peer;
 
   GST_DEBUG_OBJECT (self, "Starting image capture");
-  gst_element_set_state (self->src_vid_src, GST_STATE_READY);
 
   /* FIXME - V4L2 source will not close the device until all buffers have came
    * back. Flushing the pipeline, will ensure it's properly closed, and that
@@ -838,6 +837,7 @@ start_image_capture (GstWrapperCameraBinSrc * self)
   peer = gst_pad_get_peer (pad);
   gst_object_unref (pad);
   gst_pad_send_event (peer, gst_event_new_flush_start ());
+  gst_element_set_state (self->src_vid_src, GST_STATE_READY);
   gst_pad_send_event (peer, gst_event_new_flush_stop (TRUE));
   gst_object_unref (peer);