From f2ab0b8f1930f9923448f35578ad89cbbbf25799 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wim.taymans@collabora.co.uk>
Date: Wed, 9 Nov 2011 17:37:31 +0100
Subject: [PATCH] upates for new ACCEPT_CAPS query

---
 gst/playback/gststreamsynchronizer.c | 22 ------------------
 gst/playback/gstsubtitleoverlay.c    | 43 +++++++++++++++++++++++++-----------
 2 files changed, 30 insertions(+), 35 deletions(-)

diff --git a/gst/playback/gststreamsynchronizer.c b/gst/playback/gststreamsynchronizer.c
index 668318f..561d712 100644
--- a/gst/playback/gststreamsynchronizer.c
+++ b/gst/playback/gststreamsynchronizer.c
@@ -170,24 +170,6 @@ gst_stream_synchronizer_getcaps (GstPad * pad, GstCaps * filter)
   return ret;
 }
 
-static gboolean
-gst_stream_synchronizer_acceptcaps (GstPad * pad, GstCaps * caps)
-{
-  GstPad *opad;
-  gboolean ret = FALSE;
-
-  opad = gst_stream_get_other_pad_from_pad (pad);
-  if (opad) {
-    ret = gst_pad_peer_accept_caps (opad, caps);
-    gst_object_unref (opad);
-  }
-
-  GST_LOG_OBJECT (pad, "Caps%s accepted: %" GST_PTR_FORMAT, (ret ? "" : " not"),
-      caps);
-
-  return ret;
-}
-
 /* srcpad functions */
 static gboolean
 gst_stream_synchronizer_src_event (GstPad * pad, GstEvent * event)
@@ -687,8 +669,6 @@ gst_stream_synchronizer_request_new_pad (GstElement * element,
       GST_DEBUG_FUNCPTR (gst_stream_synchronizer_query));
   gst_pad_set_getcaps_function (stream->sinkpad,
       GST_DEBUG_FUNCPTR (gst_stream_synchronizer_getcaps));
-  gst_pad_set_acceptcaps_function (stream->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_stream_synchronizer_acceptcaps));
   gst_pad_set_event_function (stream->sinkpad,
       GST_DEBUG_FUNCPTR (gst_stream_synchronizer_sink_event));
   gst_pad_set_chain_function (stream->sinkpad,
@@ -704,8 +684,6 @@ gst_stream_synchronizer_request_new_pad (GstElement * element,
       GST_DEBUG_FUNCPTR (gst_stream_synchronizer_query));
   gst_pad_set_getcaps_function (stream->srcpad,
       GST_DEBUG_FUNCPTR (gst_stream_synchronizer_getcaps));
-  gst_pad_set_acceptcaps_function (stream->srcpad,
-      GST_DEBUG_FUNCPTR (gst_stream_synchronizer_acceptcaps));
   gst_pad_set_event_function (stream->srcpad,
       GST_DEBUG_FUNCPTR (gst_stream_synchronizer_src_event));
 
diff --git a/gst/playback/gstsubtitleoverlay.c b/gst/playback/gstsubtitleoverlay.c
index f12ef0a..c8122ac 100644
--- a/gst/playback/gstsubtitleoverlay.c
+++ b/gst/playback/gstsubtitleoverlay.c
@@ -1873,17 +1873,6 @@ gst_subtitle_overlay_subtitle_sink_getcaps (GstPad * pad, GstCaps * filter)
 }
 
 static gboolean
-gst_subtitle_overlay_subtitle_sink_acceptcaps (GstPad * pad, GstCaps * caps)
-{
-  GstCaps *othercaps = gst_subtitle_overlay_subtitle_sink_getcaps (pad, NULL);
-  gboolean ret = gst_caps_is_subset (caps, othercaps);
-
-  gst_caps_unref (othercaps);
-
-  return ret;
-}
-
-static gboolean
 gst_subtitle_overlay_subtitle_sink_setcaps (GstSubtitleOverlay * self,
     GstCaps * caps)
 {
@@ -2052,6 +2041,34 @@ out:
   return ret;
 }
 
+static gboolean
+gst_subtitle_overlay_subtitle_sink_query (GstPad * pad, GstQuery * query)
+{
+  GstSubtitleOverlay *self = GST_SUBTITLE_OVERLAY (gst_pad_get_parent (pad));
+  gboolean ret;
+
+  switch (GST_QUERY_TYPE (query)) {
+    case GST_QUERY_ACCEPT_CAPS:
+    {
+      GstCaps *caps, *othercaps;
+
+      gst_query_parse_accept_caps (query, &caps);
+      othercaps = gst_subtitle_overlay_subtitle_sink_getcaps (pad, NULL);
+      ret = gst_caps_is_subset (caps, othercaps);
+      gst_caps_unref (othercaps);
+      gst_query_set_accept_caps_result (query, ret);
+      ret = TRUE;
+      break;
+    }
+    default:
+      ret = gst_pad_query_default (pad, query);
+      break;
+  }
+  gst_object_unref (self);
+
+  return ret;
+}
+
 static void
 gst_subtitle_overlay_init (GstSubtitleOverlay * self)
 {
@@ -2101,12 +2118,12 @@ gst_subtitle_overlay_init (GstSubtitleOverlay * self)
       GST_DEBUG_FUNCPTR (gst_subtitle_overlay_subtitle_sink_unlink));
   gst_pad_set_event_function (self->subtitle_sinkpad,
       GST_DEBUG_FUNCPTR (gst_subtitle_overlay_subtitle_sink_event));
+  gst_pad_set_query_function (self->subtitle_sinkpad,
+      GST_DEBUG_FUNCPTR (gst_subtitle_overlay_subtitle_sink_query));
   gst_pad_set_chain_function (self->subtitle_sinkpad,
       GST_DEBUG_FUNCPTR (gst_subtitle_overlay_subtitle_sink_chain));
   gst_pad_set_getcaps_function (self->subtitle_sinkpad,
       GST_DEBUG_FUNCPTR (gst_subtitle_overlay_subtitle_sink_getcaps));
-  gst_pad_set_acceptcaps_function (self->subtitle_sinkpad,
-      GST_DEBUG_FUNCPTR (gst_subtitle_overlay_subtitle_sink_acceptcaps));
 
   proxypad =
       GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
-- 
2.7.4