static void
gst_video_scale_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details_simple (element_class,
"Video scaler", "Filter/Converter/Video/Scaler",
"Resizes video", "Wim Taymans <*****@*****.**>");
gst_element_class_add_pad_template (element_class,
gst_video_scale_sink_template_factory ());
gst_element_class_add_pad_template (element_class,
gst_video_scale_src_template_factory ());
}
static void
gst_video_scale_class_init (GstVideoScaleClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GstElementClass *element_class = (GstElementClass *) klass;
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
GstVideoFilterClass *filter_class = (GstVideoFilterClass *) klass;
gobject_class->finalize = (GObjectFinalizeFunc) gst_video_scale_finalize;
gobject_class->set_property = gst_video_scale_set_property;
gobject_class->get_property = gst_video_scale_get_property;
g_object_class_install_property (gobject_class, PROP_METHOD,
g_param_spec_enum ("method", "method", "method",
GST_TYPE_VIDEO_SCALE_METHOD, DEFAULT_PROP_METHOD,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ADD_BORDERS,
g_param_spec_boolean ("add-borders", "Add Borders",
"Add black borders if necessary to keep the display aspect ratio",
DEFAULT_PROP_ADD_BORDERS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SHARPNESS,
g_param_spec_double ("sharpness", "Sharpness",
"Sharpness of filter", 0.5, 1.5, DEFAULT_PROP_SHARPNESS,
G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SHARPEN,
g_param_spec_double ("sharpen", "Sharpen",
"Sharpening", 0.0, 1.0, DEFAULT_PROP_SHARPEN,
G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DITHER,
g_param_spec_boolean ("dither", "Dither",
"Add dither (only used for Lanczos method)",
DEFAULT_PROP_DITHER,
G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
#if 0
/* I am hiding submethod for now, since it's poorly named, poorly
* documented, and will probably just get people into trouble. */
g_object_class_install_property (gobject_class, PROP_SUBMETHOD,
g_param_spec_int ("submethod", "submethod",
"submethod", 0, 3, DEFAULT_PROP_SUBMETHOD,
G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
#endif
g_object_class_install_property (gobject_class, PROP_ENVELOPE,
g_param_spec_double ("envelope", "Envelope",
"Size of filter envelope", 1.0, 5.0, DEFAULT_PROP_ENVELOPE,
G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_GAMMA_DECODE,
g_param_spec_boolean ("gamma-decode", "Gamma Decode",
"Decode gamma before scaling", DEFAULT_PROP_GAMMA_DECODE,
G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_static_metadata (element_class,
"Video scaler", "Filter/Converter/Video/Scaler",
"Resizes video", "Wim Taymans <*****@*****.**>");
gst_element_class_add_pad_template (element_class,
gst_video_scale_sink_template_factory ());
gst_element_class_add_pad_template (element_class,
gst_video_scale_src_template_factory ());
trans_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_video_scale_transform_caps);
trans_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_video_scale_fixate_caps);
trans_class->src_event = GST_DEBUG_FUNCPTR (gst_video_scale_src_event);
filter_class->set_info = GST_DEBUG_FUNCPTR (gst_video_scale_set_info);
filter_class->transform_frame =
GST_DEBUG_FUNCPTR (gst_video_scale_transform_frame);
}
