static void
gst_bml_transform_base_init (GstBMLTransformClass * klass)
{
GstBMLClass *bml_class = GST_BML_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
//GstPadTemplate *templ;
gpointer bmh;
static GstPadTemplate *mono_src_pad_template = NULL;
static GstPadTemplate *stereo_src_pad_template = NULL;
static GstPadTemplate *mono_sink_pad_template = NULL;
static GstPadTemplate *stereo_sink_pad_template = NULL;
GST_INFO ("initializing base");
bmh =
bml (gstbml_class_base_init (bml_class, G_TYPE_FROM_CLASS (klass), 1, 1));
if (bml_class->output_channels == 1) {
if (G_UNLIKELY (!mono_src_pad_template))
mono_src_pad_template =
gst_static_pad_template_get (&bml_pad_caps_mono_src_template);
gst_element_class_add_pad_template (element_class, mono_src_pad_template);
GST_INFO (" added mono src pad template");
} else {
if (G_UNLIKELY (!stereo_src_pad_template))
stereo_src_pad_template =
gst_static_pad_template_get (&bml_pad_caps_stereo_src_template);
gst_element_class_add_pad_template (element_class, stereo_src_pad_template);
GST_INFO (" added stereo src pad template");
}
if (bml_class->input_channels == 1) {
if (G_UNLIKELY (!mono_sink_pad_template))
mono_sink_pad_template =
gst_static_pad_template_get (&bml_pad_caps_mono_sink_template);
gst_element_class_add_pad_template (element_class, mono_sink_pad_template);
GST_INFO (" added mono sink pad template");
} else {
if (G_UNLIKELY (!stereo_sink_pad_template))
stereo_sink_pad_template =
gst_static_pad_template_get (&bml_pad_caps_stereo_sink_template);
gst_element_class_add_pad_template (element_class,
stereo_sink_pad_template);
GST_INFO (" added stereo sink pad template");
}
bml (gstbml_class_set_details (element_class, bml_class, bmh,
"Filter/Effect/Audio/BML"));
}
static void
gst_bml_transform_base_finalize (GstBMLTransformClass * klass)
{
GstBMLClass *bml_class = GST_BML_CLASS (klass);
gstbml_preset_finalize (bml_class);
bml (gstbml_base_finalize (bml_class));
}
static void
gst_bml_transform_class_init (GstBMLTransformClass * klass)
{
GstBMLClass *bml_class = GST_BML_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstBaseTransformClass *gstbasetransform_class =
GST_BASE_TRANSFORM_CLASS (klass);
GST_INFO ("initializing class");
parent_class = g_type_class_peek_parent (klass);
// override methods
gobject_class->set_property =
GST_DEBUG_FUNCPTR (gst_bml_transform_set_property);
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_bml_transform_get_property);
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_bml_transform_dispose);
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_bml_transform_finalize);
element_class->set_context = GST_DEBUG_FUNCPTR (gstbt_bml_src_set_context);
gstbasetransform_class->set_caps =
GST_DEBUG_FUNCPTR (gst_bml_transform_set_caps);
gstbasetransform_class->stop = GST_DEBUG_FUNCPTR (gst_bml_transform_stop);
if (bml_class->output_channels == 1) {
gstbasetransform_class->transform_ip =
GST_DEBUG_FUNCPTR (gst_bml_transform_transform_ip_mono);
} else {
if (bml_class->input_channels == 1) {
gstbasetransform_class->transform =
GST_DEBUG_FUNCPTR (gst_bml_transform_transform_mono_to_stereo);
gstbasetransform_class->get_unit_size =
GST_DEBUG_FUNCPTR (gst_bml_transform_get_unit_size);
gstbasetransform_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_bml_transform_transform_caps);
} else {
gstbasetransform_class->transform_ip =
GST_DEBUG_FUNCPTR (gst_bml_transform_transform_ip_stereo);
}
}
// override interface properties and register parameters as gobject properties
bml (gstbml_class_prepare_properties (gobject_class, bml_class));
}