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videomaxrate: Add fixates_caps

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This commit is contained in:
Olivier Crête 2010-06-11 18:31:05 -04:00
parent f027b95400
commit 68aaa637b8
1 changed files with 18 additions and 0 deletions
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18
gst/videomaxrate/videomaxrate.c
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@ -60,6 +60,8 @@ static gboolean gst_video_max_rate_set_caps (GstBaseTransform * trans,
GstCaps * incaps, GstCaps * outcaps); GstCaps * incaps, GstCaps * outcaps);
static GstFlowReturn gst_video_max_rate_transform_ip (GstBaseTransform * trans, static GstFlowReturn gst_video_max_rate_transform_ip (GstBaseTransform * trans,
GstBuffer * buf); GstBuffer * buf);
static void gst_video_max_rate_fixate_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
GST_BOILERPLATE (GstVideoMaxRate, gst_video_max_rate, GstBaseTransform, GST_BOILERPLATE (GstVideoMaxRate, gst_video_max_rate, GstBaseTransform,
GST_TYPE_BASE_TRANSFORM); GST_TYPE_BASE_TRANSFORM);
@ -104,6 +106,7 @@ gst_video_max_rate_class_init (GstVideoMaxRateClass * klass)
GST_DEBUG_FUNCPTR (gst_video_max_rate_transform_ip); GST_DEBUG_FUNCPTR (gst_video_max_rate_transform_ip);
base_class->event = GST_DEBUG_FUNCPTR (gst_video_max_rate_sink_event); base_class->event = GST_DEBUG_FUNCPTR (gst_video_max_rate_sink_event);
base_class->start = GST_DEBUG_FUNCPTR (gst_video_max_rate_start); base_class->start = GST_DEBUG_FUNCPTR (gst_video_max_rate_start);
base_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_video_max_rate_fixate_caps);
g_object_class_install_property (gobject_class, PROP_AVERAGE_PERIOD, g_object_class_install_property (gobject_class, PROP_AVERAGE_PERIOD,
g_param_spec_uint64 ("average-period", "Period over which to average", g_param_spec_uint64 ("average-period", "Period over which to average",
@ -215,6 +218,21 @@ gst_video_max_rate_transform_caps (GstBaseTransform * trans,
return ret; return ret;
} }
static void
gst_video_max_rate_fixate_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstStructure *s;
gint nom, denom;
s = gst_caps_get_structure (caps, 0);
if (G_UNLIKELY (!gst_structure_get_fraction (s, "framerate", &nom, &denom)))
return;
s = gst_caps_get_structure (othercaps, 0);
gst_structure_fixate_field_nearest_fraction (s, "framerate", nom, denom);
}
gboolean gboolean
gst_video_max_rate_set_caps (GstBaseTransform * trans, GstCaps * incaps, gst_video_max_rate_set_caps (GstBaseTransform * trans, GstCaps * incaps,
GstCaps * outcaps) GstCaps * outcaps)