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frei0r: In the filter plugins create the frei0r instances in create() before playback starts

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This commit is contained in:
Sebastian Dröge 2009-06-29 11:59:13 +02:00
parent 0de4e9df00
commit 72fca8a828
2 changed files with 12 additions and 13 deletions
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23
gst/frei0r/gstfrei0rfilter.c
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@ -40,22 +40,11 @@ gst_frei0r_filter_set_caps (GstBaseTransform * trans, GstCaps * incaps,
GstCaps * outcaps)
{
GstFrei0rFilter *self = GST_FREI0R_FILTER (trans);
GstFrei0rFilterClass *klass = GST_FREI0R_FILTER_GET_CLASS (trans);
GstVideoFormat fmt;
gint width, height;
if (!gst_video_format_parse_caps (incaps, &fmt, &width, &height))
if (!gst_video_format_parse_caps (incaps, &fmt, &self->width, &self->height))
return FALSE;
if (self->f0r_instance) {
klass->ftable->destruct (self->f0r_instance);
self->f0r_instance = NULL;
}
self->f0r_instance =
gst_frei0r_instance_construct (klass->ftable, klass->properties,
klass->n_properties, self->property_cache, width, height);
return TRUE;
}
@ -81,9 +70,17 @@ gst_frei0r_filter_transform (GstBaseTransform * trans, GstBuffer * inbuf,
GstFrei0rFilterClass *klass = GST_FREI0R_FILTER_GET_CLASS (trans);
gdouble time;
if (!self->f0r_instance)
if (G_UNLIKELY (self->width <= 0 || self->height <= 0))
return GST_FLOW_NOT_NEGOTIATED;
if (G_UNLIKELY (!self->f0r_instance)) {
self->f0r_instance =
gst_frei0r_instance_construct (klass->ftable, klass->properties,
klass->n_properties, self->property_cache, self->width, self->height);
if (G_UNLIKELY (!self->f0r_instance))
return GST_FLOW_ERROR;
}
time = ((gdouble) GST_BUFFER_TIMESTAMP (inbuf)) / GST_SECOND;
if (klass->ftable->update2)

2
gst/frei0r/gstfrei0rfilter.h
View file

@ -42,6 +42,8 @@ typedef struct _GstFrei0rFilterClass GstFrei0rFilterClass;
struct _GstFrei0rFilter {
GstVideoFilter parent;
gint width, height;
f0r_instance_t *f0r_instance;
GstFrei0rPropertyValue *property_cache;
};