From 25caf9f743256e602ee0f7ad216ff51d892c7de3 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wim.taymans@collabora.co.uk>
Date: Mon, 31 Aug 2009 17:33:32 +0200
Subject: [PATCH] wildmidi: set caps on pad

Set the caps on the pad and use those caps instead of keeping a separate caps
pointer around.
Fix some whitespace.
---
 ext/timidity/gstwildmidi.c | 10 ++++----
 ext/timidity/gstwildmidi.h | 49 +++++++++++++++++++-------------------
 2 files changed, 31 insertions(+), 28 deletions(-)

diff --git a/ext/timidity/gstwildmidi.c b/ext/timidity/gstwildmidi.c
index 90ec529ec3..bdfce5d7ee 100644
--- a/ext/timidity/gstwildmidi.c
+++ b/ext/timidity/gstwildmidi.c
@@ -652,6 +652,7 @@ gst_wildmidi_loop (GstPad * sinkpad)
   GstWildmidi *wildmidi = GST_WILDMIDI (GST_PAD_PARENT (sinkpad));
   GstBuffer *out;
   GstFlowReturn ret;
+  GstCaps *outcaps;
 
   if (wildmidi->mididata_size == 0) {
     if (!gst_wildmidi_get_upstream_size (wildmidi, &wildmidi->mididata_size)) {
@@ -724,6 +725,10 @@ gst_wildmidi_loop (GstPad * sinkpad)
     info = WildMidi_GetInfo (wildmidi->song);
     wildmidi->o_len = info->approx_total_samples;
 
+    outcaps = gst_caps_copy (gst_pad_get_pad_template_caps (wildmidi->srcpad));
+    gst_pad_set_caps (wildmidi->srcpad, outcaps);
+    gst_caps_unref (outcaps);
+
     gst_segment_set_newsegment (wildmidi->o_segment, FALSE, 1.0,
         GST_FORMAT_DEFAULT, 0, GST_CLOCK_TIME_NONE, 0);
 
@@ -787,7 +792,7 @@ gst_wildmidi_loop (GstPad * sinkpad)
     wildmidi->o_seek = FALSE;
   }
 
-  gst_buffer_set_caps (out, wildmidi->out_caps);
+  gst_buffer_set_caps (out, GST_PAD_CAPS (wildmidi->srcpad));
   ret = gst_pad_push (wildmidi->srcpad, out);
 
   if (GST_FLOW_IS_FATAL (ret) || ret == GST_FLOW_NOT_LINKED)
@@ -819,8 +824,6 @@ gst_wildmidi_change_state (GstElement * element, GstStateChange transition)
 
   switch (transition) {
     case GST_STATE_CHANGE_NULL_TO_READY:
-      wildmidi->out_caps =
-          gst_caps_copy (gst_pad_get_pad_template_caps (wildmidi->srcpad));
       wildmidi->mididata = NULL;
       break;
     case GST_STATE_CHANGE_READY_TO_PAUSED:
@@ -846,7 +849,6 @@ gst_wildmidi_change_state (GstElement * element, GstStateChange transition)
       wildmidi->mididata = NULL;
       break;
     case GST_STATE_CHANGE_READY_TO_NULL:
-      gst_caps_unref (wildmidi->out_caps);
       break;
     default:
       break;
diff --git a/ext/timidity/gstwildmidi.h b/ext/timidity/gstwildmidi.h
index 37815ea60a..84802f735c 100644
--- a/ext/timidity/gstwildmidi.h
+++ b/ext/timidity/gstwildmidi.h
@@ -1,6 +1,6 @@
 /*
  * gstwildmidi - wildmidi plugin for gstreamer
- * 
+ *
  * Copyright 2007 Wouter Paesen <wouter@blue-gate.be>
  *
  * This library is free software; you can redistribute it and/or
@@ -19,8 +19,8 @@
  * Boston, MA 02111-1307, USA.
  *
  * Wrapper element for libtimidity.  This element works in pull
- * based mode because that's essentially how libwildmidi works. 
- * We create a libwildmidi stream that operates on the srcpad.  
+ * based mode because that's essentially how libwildmidi works.
+ * We create a libwildmidi stream that operates on the srcpad.
  * The sinkpad is in pull mode.
  */
 
@@ -32,6 +32,7 @@
 #include <wildmidi_lib.h>
 
 G_BEGIN_DECLS
+
 #define GST_TYPE_WILDMIDI \
   (gst_wildmidi_get_type())
 #define GST_WILDMIDI(obj) \
@@ -42,39 +43,38 @@ G_BEGIN_DECLS
   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WILDMIDI))
 #define GST_IS_WILDMIDI_CLASS(klass) \
   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WILDMIDI))
+
 typedef struct _GstWildmidi GstWildmidi;
 typedef struct _GstWildmidiClass GstWildmidiClass;
 
 struct _GstWildmidi
 {
-    GstElement element;
+  GstElement element;
 
-    GstPad *sinkpad, *srcpad;
+  GstPad *sinkpad, *srcpad;
 
-    /* input stream properties */
-    gint64 mididata_size, mididata_offset;
-    gchar *mididata;
-    gboolean mididata_filled;
+  /* input stream properties */
+  gint64 mididata_size, mididata_offset;
+  gchar *mididata;
+  gboolean mididata_filled;
 
-    midi *song;
+  midi *song;
 
-    /* output data */
-    gboolean o_new_segment, o_segment_changed, o_seek;
-    GstSegment o_segment[1];
-    gint64 o_len;
+  /* output data */
+  gboolean o_new_segment, o_segment_changed, o_seek;
+  GstSegment o_segment[1];
+  gint64 o_len;
 
-    /* format of the stream */
-    gint64 bytes_per_frame;
-    GstClockTime time_per_frame;
+  /* format of the stream */
+  gint64 bytes_per_frame;
+  GstClockTime time_per_frame;
 
-    /* options */
-    gboolean accurate_seek;
+  /* options */
+  gboolean accurate_seek;
 
-    /* wildmidi settings */
-    gboolean high_quality;
-    gboolean linear_volume;
-
-    GstCaps *out_caps;
+  /* wildmidi settings */
+  gboolean high_quality;
+  gboolean linear_volume;
 };
 
 struct _GstWildmidiClass
@@ -85,4 +85,5 @@ struct _GstWildmidiClass
 GType gst_wildmidi_get_type (void);
 
 G_END_DECLS
+
 #endif /* __GST_WILDMIDI_H__ */