frei0r: In the src plugins create the frei0r instances in create() before playback...

diff --git a/gst/frei0r/gstfrei0rsrc.c b/gst/frei0r/gstfrei0rsrc.c
index a713e1e961d1d68e09df6cc85fb542ac8a31df59..8a4a4e2afa9d96c38754e6607b3daab939fa1e7d 100644 (file)
--- a/gst/frei0r/gstfrei0rsrc.c
+++ b/gst/frei0r/gstfrei0rsrc.c
@@ -39,22 +39,12 @@ static gboolean
 gst_frei0r_src_set_caps (GstBaseSrc * src, GstCaps * caps)
 {
   GstFrei0rSrc *self = GST_FREI0R_SRC (src);
-  GstFrei0rSrcClass *klass = GST_FREI0R_SRC_GET_CLASS (src);
 
   if (!gst_video_format_parse_caps (caps, &self->fmt, &self->width,
           &self->height)
       || !gst_video_parse_caps_framerate (caps, &self->fps_n, &self->fps_d))
     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, self->width, self->height);
-
   return TRUE;
 }
 
@@ -80,9 +70,18 @@ gst_frei0r_src_create (GstPushSrc * src, GstBuffer ** buf)
 
   *buf = NULL;
 
-  if (G_UNLIKELY (!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;
+  }
+
   newsize = gst_video_format_get_size (self->fmt, self->width, self->height);
 
   ret =