[PATCH 1/1] winegstreamer: Push flush event when flushing.

[Brendan McGrath]

From: Brendan McGrath

This ensures the gstreamer pipeline is empty whilst we flush our
queues.
---
 dlls/winegstreamer/wg_transform.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/dlls/winegstreamer/wg_transform.c b/dlls/winegstreamer/wg_transform.c
index 1d59f806a31..b8dc6d98b98 100644
--- a/dlls/winegstreamer/wg_transform.c
+++ b/dlls/winegstreamer/wg_transform.c
@@ -1228,16 +1228,24 @@ NTSTATUS wg_transform_flush(void *args)
     struct wg_transform *transform = get_transform(*(wg_transform_t *)args);
     GstBuffer *input_buffer;
     GstSample *sample;
+    GstEvent *event;
     NTSTATUS status;

GST_LOG("transform %p", transform);

+    /* this ensures no messages are travelling through the pipeline whilst we flush */
+    event = gst_event_new_flush_start();
+    gst_pad_push_event(transform->my_src, event);
+
     while ((input_buffer = gst_atomic_queue_pop(transform->input_queue)))
         gst_buffer_unref(input_buffer);

if (transform->stepper)
         wg_stepper_flush(transform->stepper);

+    event = gst_event_new_flush_stop(true);
+    gst_pad_push_event(transform->my_src, event);
+
     if ((status = wg_transform_drain(args)))
         return status;