Convert to fractional framerates.

Original commit message from CVS:
* ext/aalib/gstaasink.c: (gst_aasink_fixate):
* gst/debug/gstnavigationtest.c:
(gst_navigationtest_handle_src_event):
* gst/videofilter/gstvideofilter.c:
(gst_videofilter_format_get_structure), (gst_videofilter_setcaps),
(gst_videofilter_init):
* gst/videofilter/gstvideofilter.h:
Convert to fractional framerates.

ChangeLog

@@ -1,3 +1,14 @@
+2005-11-22  Jan Schmidt  <thaytan@mad.scientist.com>
+
+	* ext/aalib/gstaasink.c: (gst_aasink_fixate):
+	* gst/debug/gstnavigationtest.c:
+	(gst_navigationtest_handle_src_event):
+	* gst/videofilter/gstvideofilter.c:
+	(gst_videofilter_format_get_structure), (gst_videofilter_setcaps),
+	(gst_videofilter_init):
+	* gst/videofilter/gstvideofilter.h:
+	  Convert to fractional framerates.
+
 2005-11-22  Thomas Vander Stichele  <thomas at apestaart dot org>
 
 	* ext/aalib/gstaasink.c:

ext/aalib/gstaasink.c

@@ -236,12 +236,17 @@ static void
 gst_aasink_fixate (GstPad * pad, GstCaps * caps)
 {
   GstStructure *structure;
+  GValue fps = { 0 };
 
   structure = gst_caps_get_structure (caps, 0);
 
   gst_structure_fixate_field_nearest_int (structure, "width", 320);
   gst_structure_fixate_field_nearest_int (structure, "height", 240);
-  gst_structure_fixate_field_nearest_double (structure, "framerate", 30.0);
+
+  g_value_init (&fps, GST_TYPE_FRACTION);
+  gst_value_set_fraction (&fps, 30, 1);
+  gst_structure_fixate_field_nearest_fraction (structure, "framerate", &fps);
+  g_value_unset (&fps);
 }
 
 static gboolean

gst/debug/gstnavigationtest.c

@@ -147,6 +147,12 @@ gst_navigationtest_handle_src_event (GstPad * pad, GstEvent * event)
     case GST_EVENT_NAVIGATION:
     {
       const GstStructure *s = gst_event_get_structure (event);
+      gint fps_n, fps_d;
+
+      fps_n = gst_value_get_fraction_numerator (
+          (&GST_VIDEOFILTER (navtest)->framerate));
+      fps_d = gst_value_get_fraction_denominator (
+          (&GST_VIDEOFILTER (navtest)->framerate));
 
       type = gst_structure_get_string (s, "event");
       if (g_str_equal (type, "mouse-move")) {
@@ -157,7 +163,7 @@ gst_navigationtest_handle_src_event (GstPad * pad, GstEvent * event)
 
         gst_structure_get_double (s, "pointer_x", &click->x);
         gst_structure_get_double (s, "pointer_y", &click->y);
-        click->images_left = ceil (GST_VIDEOFILTER (navtest)->framerate);
+        click->images_left = (fps_n + fps_d - 1) / fps_d;
         /* green */
         click->cy = 150;
         click->cu = 46;
@@ -168,7 +174,7 @@ gst_navigationtest_handle_src_event (GstPad * pad, GstEvent * event)
 
         gst_structure_get_double (s, "pointer_x", &click->x);
         gst_structure_get_double (s, "pointer_y", &click->y);
-        click->images_left = ceil (GST_VIDEOFILTER (navtest)->framerate);
+        click->images_left = (fps_n + fps_d - 1) / fps_d;
         /* red */
         click->cy = 76;
         click->cu = 85;

gst/videofilter/gstvideofilter.c

@@ -147,7 +147,7 @@ gst_videofilter_format_get_structure (GstVideofilterFormat * format)
   gst_structure_set (structure,
       "height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
       "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
-      "framerate", GST_TYPE_DOUBLE_RANGE, 0.0, G_MAXDOUBLE, NULL);
+      "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
 
   return structure;
 }
@@ -221,7 +221,7 @@ gst_videofilter_setcaps (GstPad * pad, GstCaps * caps)
   GstVideofilter *videofilter;
   GstStructure *structure;
   int width, height;
-  double framerate;
+  const GValue *framerate;
   int ret;
 
   videofilter = GST_VIDEOFILTER (GST_PAD_PARENT (pad));
@@ -234,7 +234,9 @@ gst_videofilter_setcaps (GstPad * pad, GstCaps * caps)
 
   ret = gst_structure_get_int (structure, "width", &width);
   ret &= gst_structure_get_int (structure, "height", &height);
-  ret &= gst_structure_get_double (structure, "framerate", &framerate);
+
+  framerate = gst_structure_get_value (structure, "framerate");
+  ret &= (framerate != NULL && GST_VALUE_HOLDS_FRACTION (framerate));
 
   if (!ret)
     return FALSE;
@@ -256,7 +258,7 @@ gst_videofilter_setcaps (GstPad * pad, GstCaps * caps)
   videofilter->to_height = height;
   videofilter->from_width = width;
   videofilter->from_height = height;
-  videofilter->framerate = framerate;
+  g_value_copy (framerate, &videofilter->framerate);
 
   gst_videofilter_setup (videofilter);
 
@@ -288,6 +290,7 @@ gst_videofilter_init (GTypeInstance * instance, gpointer g_class)
   gst_pad_set_getcaps_function (videofilter->srcpad, gst_videofilter_getcaps);
 
   videofilter->inited = FALSE;
+  g_value_init (&videofilter->framerate, GST_TYPE_FRACTION);
 }
 
 static GstFlowReturn

gst/videofilter/gstvideofilter.h

@@ -75,7 +75,7 @@ struct _GstVideofilter {
   /* private */
   gint from_buf_size;
   gint to_buf_size;
-  gdouble framerate;
+  GValue framerate;
 
   GstBuffer *in_buf;
   GstBuffer *out_buf;