subtitleoverlay: Consider all caps for overlays, not just the first.

Check all supported caps on the overlay video pad, not just the
first of (possibly) many.

diff --git a/gst/playback/gstsubtitleoverlay.c b/gst/playback/gstsubtitleoverlay.c
index 476f113..7741688 100644 (file)
--- a/gst/playback/gstsubtitleoverlay.c
+++ b/gst/playback/gstsubtitleoverlay.c
@@ -225,8 +225,9 @@ _is_video_pad (GstPad * pad, gboolean * hw_accelerated)
 {
   GstPad *peer = gst_pad_get_peer (pad);
   GstCaps *caps;
-  gboolean ret;
+  gboolean ret = FALSE;
   const gchar *name;
+  guint i;
 
   if (peer) {
     caps = gst_pad_get_current_caps (peer);
@@ -238,21 +239,23 @@ _is_video_pad (GstPad * pad, gboolean * hw_accelerated)
     caps = gst_pad_query_caps (pad, NULL);
   }
 
-  name = gst_structure_get_name (gst_caps_get_structure (caps, 0));
-  if (g_str_equal (name, "video/x-raw")) {
-    ret = TRUE;
-    if (hw_accelerated)
-      *hw_accelerated = FALSE;
+  for (i = 0; i < gst_caps_get_size (caps) && ret == FALSE; i++) {
+    name = gst_structure_get_name (gst_caps_get_structure (caps, i));
+    if (g_str_equal (name, "video/x-raw")) {
+      ret = TRUE;
+      if (hw_accelerated)
+        *hw_accelerated = FALSE;
 
-  } else if (g_str_has_prefix (name, "video/x-surface")) {
-    ret = TRUE;
-    if (hw_accelerated)
-      *hw_accelerated = TRUE;
-  } else {
+    } else if (g_str_has_prefix (name, "video/x-surface")) {
+      ret = TRUE;
+      if (hw_accelerated)
+        *hw_accelerated = TRUE;
+    } else {
 
-    ret = FALSE;
-    if (hw_accelerated)
-      *hw_accelerated = FALSE;
+      ret = FALSE;
+      if (hw_accelerated)
+        *hw_accelerated = FALSE;
+    }
   }
 
   gst_caps_unref (caps);