From 636b535e4ae741bcf5010fead6357c7138468404 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian.droege@collabora.co.uk>
Date: Sat, 21 Feb 2009 16:05:48 +0100
Subject: [PATCH] mxfdemux: Add helper function to convert MXFraction to
 gdouble and use it

---
 gst/mxf/mxfmetadata.c | 4 ++--
 gst/mxf/mxfparse.c    | 6 ++++++
 gst/mxf/mxfparse.h    | 1 +
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/gst/mxf/mxfmetadata.c b/gst/mxf/mxfmetadata.c
index a300ba346d..44acb78530 100644
--- a/gst/mxf/mxfmetadata.c
+++ b/gst/mxf/mxfmetadata.c
@@ -2806,8 +2806,8 @@ void mxf_metadata_generic_sound_essence_descriptor_set_caps
   } else {
     gst_caps_set_simple (caps,
         "rate", G_TYPE_INT,
-        (gint) ((((gdouble) self->audio_sampling_rate.n) /
-                ((gdouble) self->audio_sampling_rate.d)) + 0.5), NULL);
+        (gint) (mxf_fraction_to_double (&self->audio_sampling_rate)
+            + 0.5), NULL);
   }
 
   if (self->channel_count == 0) {
diff --git a/gst/mxf/mxfparse.c b/gst/mxf/mxfparse.c
index 2611e817ff..d4d52312f4 100644
--- a/gst/mxf/mxfparse.c
+++ b/gst/mxf/mxfparse.c
@@ -417,6 +417,12 @@ mxf_fraction_parse (MXFFraction * fraction, const guint8 * data, guint size)
   return TRUE;
 }
 
+gdouble
+mxf_fraction_to_double (const MXFFraction * fraction)
+{
+  return ((gdouble) fraction->n) / ((gdouble) fraction->d);
+}
+
 gchar *
 mxf_utf16_to_utf8 (const guint8 * data, guint size)
 {
diff --git a/gst/mxf/mxfparse.h b/gst/mxf/mxfparse.h
index 08e8af89f1..5a5e630edf 100644
--- a/gst/mxf/mxfparse.h
+++ b/gst/mxf/mxfparse.h
@@ -74,6 +74,7 @@ gboolean mxf_product_version_parse (MXFProductVersion * product_version,
     const guint8 * data, guint size);
 
 gboolean mxf_fraction_parse (MXFFraction *fraction, const guint8 *data, guint size);
+gdouble mxf_fraction_to_double (const MXFFraction *fraction);
 
 gboolean mxf_timestamp_parse (MXFTimestamp * timestamp, const guint8 * data, guint size);
 gboolean mxf_timestamp_is_unknown (const MXFTimestamp *a);