[gst-cvs] gst-plugins-bad: mxfdemux: Add helper function to convert MXFraction to gdouble and use it

[<sl...@ke...>]

Module: gst-plugins-bad
Branch: master
Commit: 636b535e4ae741bcf5010fead6357c7138468404
URL:    http://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/?id=636b535e4ae741bcf5010fead6357c7138468404

Author: Sebastian Dröge <seb...@co...>
Date:   Sat Feb 21 16:05:48 2009 +0100

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 a300ba3..44acb78 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 2611e81..d4d5231 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 08e8af8..5a5e630 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);