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authorJulien Moutte <julien@moutte.net>2004-03-15 21:41:35 +0000
committerJulien Moutte <julien@moutte.net>2004-03-15 21:41:35 +0000
commit4fe61f2848902d93046907d369a0281ef2adbdc9 (patch)
treee48544d70e488bdda4825d1ecf102062e622fc0c /gst-libs/gst
parent4fd57bbe3fef59592a8664dcc9fa2ab32ae99c69 (diff)
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gst-libs/gst/play/play.c: First draft of gst_play_get_framerate.
Original commit message from CVS: 2004-03-15 Julien MOUTTE <julien@moutte.net> * gst-libs/gst/play/play.c: (gst_play_get_framerate), (gst_play_get_sink_element): First draft of gst_play_get_framerate. * gst-libs/gst/play/play.h:
Diffstat (limited to 'gst-libs/gst')
-rw-r--r--gst-libs/gst/play/play.c42
-rw-r--r--gst-libs/gst/play/play.h6
2 files changed, 44 insertions, 4 deletions
diff --git a/gst-libs/gst/play/play.c b/gst-libs/gst/play/play.c
index ba24eb86..28acb075 100644
--- a/gst-libs/gst/play/play.c
+++ b/gst-libs/gst/play/play.c
@@ -1127,6 +1127,46 @@ gst_play_connect_visualization (GstPlay * play, gboolean connect)
}
/**
+ * gst_play_get_framerate:
+ * @play: a #GstPlay.
+ *
+ * Get the video framerate from @play.
+ *
+ * Returns: a #gdouble indicating video framerate in frame per second.
+ */
+gdouble
+gst_play_get_framerate (GstPlay * play)
+{
+ GstElement *video_element = NULL;
+ GstPad *video_pad = NULL;
+ GstCaps *video_pad_caps = NULL;
+ GstStructure *structure = NULL;
+
+ g_return_val_if_fail (GST_IS_PLAY (play), 0);
+
+ video_element = g_hash_table_lookup (play->priv->elements, "video_sink");
+ if (!GST_IS_ELEMENT (video_element))
+ return 0;
+ video_pad = gst_element_get_pad (video_element, "sink");
+ if (!GST_IS_PAD (video_pad))
+ return 0;
+ video_pad_caps = (GstCaps *) gst_pad_get_negotiated_caps (video_pad);
+ if (!GST_IS_CAPS (video_pad_caps))
+ return 0;
+
+ structure = gst_caps_get_structure (video_pad_caps, 0);
+
+ if (structure) {
+ gdouble value;
+
+ gst_structure_get_double (structure, "framerate", &value);
+ return value;
+ }
+
+ return 0;
+}
+
+/**
* gst_play_get_sink_element:
* @play: a #GstPlay.
* @element: a #GstElement.
@@ -1145,8 +1185,6 @@ gst_play_get_sink_element (GstPlay * play,
const GList *pads = NULL;
gboolean has_src, has_correct_type;
- g_return_val_if_fail (play != NULL, NULL);
- g_return_val_if_fail (element != NULL, NULL);
g_return_val_if_fail (GST_IS_PLAY (play), NULL);
g_return_val_if_fail (GST_IS_ELEMENT (element), NULL);
diff --git a/gst-libs/gst/play/play.h b/gst-libs/gst/play/play.h
index 8ccf827d..55c12a36 100644
--- a/gst-libs/gst/play/play.h
+++ b/gst-libs/gst/play/play.h
@@ -90,7 +90,9 @@ gboolean gst_play_seek_to_time (GstPlay *play,
gint64 time_nanos);
GstElement * gst_play_get_sink_element (GstPlay *play,
- GstElement *element,
- GstPlaySinkType sink_type);
+ GstElement *element,
+ GstPlaySinkType sink_type);
+
+gdouble gst_play_get_framerate (GstPlay *play);
#endif /* __GST_PLAY_H__ */