[PATCH v2 05/10] winegstreamer/media_source: Create a source pad on the wg_source.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/winegstreamer/wg_source.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/dlls/winegstreamer/wg_source.c b/dlls/winegstreamer/wg_source.c
index 071b800b6d1..2bb3ba0c396 100644
--- a/dlls/winegstreamer/wg_source.c
+++ b/dlls/winegstreamer/wg_source.c
@@ -41,6 +41,7 @@

struct wg_source
 {
+    GstPad *src_pad;
     GstElement *container;
 };

@@ -72,6 +73,24 @@ static GstCaps *detect_caps_from_data(const char *url, const void *data, guint s
     return caps;
 }

+static GstPad *create_pad_with_caps(GstPadDirection direction, GstCaps *caps)
+{
+    GstCaps *pad_caps = caps ? gst_caps_ref(caps) : gst_caps_new_any();
+    const char *name = direction == GST_PAD_SRC ? "src" : "sink";
+    GstPadTemplate *template;
+    GstPad *pad = NULL;
+
+    if (!pad_caps)
+        return NULL;
+    if ((template = gst_pad_template_new(name, direction, GST_PAD_ALWAYS, pad_caps)))
+    {
+        pad = gst_pad_new_from_template(template, "src");
+        g_object_unref(template);
+    }
+    gst_caps_unref(pad_caps);
+    return pad;
+}
+
 NTSTATUS wg_source_create(void *args)
 {
     struct wg_source_create_params *params = args;
@@ -88,6 +107,9 @@ NTSTATUS wg_source_create(void *args)

if (!(source->container = gst_bin_new("wg_source")))
         goto error;
+    if (!(source->src_pad = create_pad_with_caps(GST_PAD_SRC, src_caps)))
+        goto error;
+    gst_pad_set_element_private(source->src_pad, source);

gst_element_set_state(source->container, GST_STATE_PAUSED);
     if (!gst_element_get_state(source->container, NULL, NULL, -1))
@@ -105,6 +127,8 @@ error:
         gst_element_set_state(source->container, GST_STATE_NULL);
         gst_object_unref(source->container);
     }
+    if (source->src_pad)
+        gst_object_unref(source->src_pad);
     free(source);

gst_caps_unref(src_caps);
@@ -121,6 +145,7 @@ NTSTATUS wg_source_destroy(void *args)

gst_element_set_state(source->container, GST_STATE_NULL);
     gst_object_unref(source->container);
+    gst_object_unref(source->src_pad);
     free(source);

return STATUS_SUCCESS;