gst-plugins-good: flxdec: improve segment handling

[Mark Nauwelaerts]

Module: gst-plugins-good
Branch: master
Commit: 93f61c47b95a38d74aff42233b92c3166b744ddb
URL:    http://cgit.freedesktop.org/gstreamer/gst-plugins-good/commit/?id=93f61c47b95a38d74aff42233b92c3166b744ddb

Author: Mark Nauwelaerts <mark.nauwelaerts at collabora.co.uk>
Date:   Fri Apr 13 16:54:50 2012 +0200

flxdec: improve segment handling

... to send a proper TIME segment downstream.

---

 gst/flx/gstflxdec.c |   35 +++++++++++++++++++++++++++++++++++
 1 files changed, 35 insertions(+), 0 deletions(-)

diff --git a/gst/flx/gstflxdec.c b/gst/flx/gstflxdec.c
index e22641e..bd16952 100644
--- a/gst/flx/gstflxdec.c
+++ b/gst/flx/gstflxdec.c
@@ -62,6 +62,8 @@ static void gst_flxdec_dispose (GstFlxDec * flxdec);
 
 static GstFlowReturn gst_flxdec_chain (GstPad * pad, GstObject * parent,
     GstBuffer * buf);
+static gboolean gst_flxdec_sink_event_handler (GstPad * pad,
+    GstObject * parent, GstEvent * event);
 
 static GstStateChangeReturn gst_flxdec_change_state (GstElement * element,
     GstStateChange transition);
@@ -113,6 +115,8 @@ gst_flxdec_init (GstFlxDec * flxdec)
   gst_element_add_pad (GST_ELEMENT (flxdec), flxdec->sinkpad);
   gst_pad_set_chain_function (flxdec->sinkpad,
       GST_DEBUG_FUNCPTR (gst_flxdec_chain));
+  gst_pad_set_event_function (flxdec->sinkpad,
+      GST_DEBUG_FUNCPTR (gst_flxdec_sink_event_handler));
 
   flxdec->srcpad = gst_pad_new_from_static_template (&src_video_factory, "src");
   gst_element_add_pad (GST_ELEMENT (flxdec), flxdec->srcpad);
@@ -166,6 +170,37 @@ done:
   return ret;
 }
 
+static gboolean
+gst_flxdec_sink_event_handler (GstPad * pad, GstObject * parent,
+    GstEvent * event)
+{
+  GstFlxDec *flxdec;
+  gboolean ret;
+
+  flxdec = GST_FLXDEC (parent);
+
+  switch (GST_EVENT_TYPE (event)) {
+    case GST_EVENT_SEGMENT:
+    {
+      GstSegment segment;
+
+      gst_event_copy_segment (event, &segment);
+      if (segment.format != GST_FORMAT_TIME) {
+        GST_DEBUG_OBJECT (flxdec, "generating TIME segment");
+        gst_segment_init (&segment, GST_FORMAT_TIME);
+        gst_event_unref (event);
+        event = gst_event_new_segment (&segment);
+      }
+      /* fall-through */
+    }
+    default:
+      ret = gst_pad_event_default (pad, parent, event);
+      break;
+  }
+
+  return ret;
+}
+
 static void
 flx_decode_chunks (GstFlxDec * flxdec, gulong count, guchar * data,
     guchar * dest)