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gst-libs/gst/play/play.c: First draft of gst_play_get_framerate.

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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:
This commit is contained in:
Julien Moutte 2004-03-15 21:41:35 +00:00
parent 4fd57bbe3f
commit 4fe61f2848
3 changed files with 50 additions and 4 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
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:
2004-03-15 Thomas Vander Stichele <thomas at apestaart dot org>
* *.c, *.cc: don't mix tabs and spaces

42
gst-libs/gst/play/play.c
View file

@ -1126,6 +1126,46 @@ gst_play_connect_visualization (GstPlay * play, gboolean connect)
return TRUE;
}
/**
* 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.
@ -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);

6
gst-libs/gst/play/play.h
View file

@ -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__ */