[PATCH 5/5] winegstreamer: Link the container pads and activate ours.

[Rémi Bernon]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51931
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52391
Signed-off-by: Rémi Bernon 
---
 dlls/winegstreamer/wg_transform.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/dlls/winegstreamer/wg_transform.c b/dlls/winegstreamer/wg_transform.c
index 22d97aa1241..8ae0ad5127f 100644
--- a/dlls/winegstreamer/wg_transform.c
+++ b/dlls/winegstreamer/wg_transform.c
@@ -46,6 +46,7 @@ struct wg_transform
 {
     GstElement *container;
     GstPad *my_src, *my_sink;
+    GstPad *their_sink, *their_src;
 };

static GstFlowReturn transform_sink_chain_cb(GstPad *pad, GstObject *parent, GstBuffer *buffer)
@@ -66,6 +67,16 @@ NTSTATUS wg_transform_destroy(void *args)
     if (transform->container)
         gst_element_set_state(transform->container, GST_STATE_NULL);

+    if (transform->their_src && transform->my_sink)
+        gst_pad_unlink(transform->their_src, transform->my_sink);
+    if (transform->their_sink && transform->my_src)
+        gst_pad_unlink(transform->my_src, transform->their_sink);
+
+    if (transform->their_sink)
+        g_object_unref(transform->their_sink);
+    if (transform->their_src)
+        g_object_unref(transform->their_src);
+
     if (transform->container)
         g_object_unref(transform->container);

@@ -233,6 +244,21 @@ NTSTATUS wg_transform_create(void *args)

status = STATUS_UNSUCCESSFUL;

+    if (!(transform->their_sink = gst_element_get_static_pad(first, "sink")))
+        goto done;
+    if (!(transform->their_src = gst_element_get_static_pad(last, "src")))
+        goto done;
+
+    if ((ret = gst_pad_link(transform->my_src, transform->their_sink)) < 0)
+        goto done;
+    if ((ret = gst_pad_link(transform->their_src, transform->my_sink)) < 0)
+        goto done;
+
+    if (!(ret = gst_pad_set_active(transform->my_sink, 1)))
+        goto done;
+    if (!(ret = gst_pad_set_active(transform->my_src, 1)))
+        goto done;
+
     gst_element_set_state(transform->container, GST_STATE_PAUSED);
     ret = gst_element_get_state(transform->container, NULL, NULL, -1);
     if (ret == GST_STATE_CHANGE_FAILURE)