#include "config.h"
#endif
-#include <gst/gst.h>
#include <gstvideofilter.h>
+
#include <string.h>
#include <math.h>
+#include <gst/video/video.h>
+
#define GST_TYPE_AGINGTV \
(gst_agingtv_get_type())
#define GST_AGINGTV(obj) \
GstVideofilterClass parent_class;
};
-/* GstAgingTV signals and args */
-enum
-{
- /* FILL ME */
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0
- /* FILL ME */
-};
-
-static void gst_agingtv_base_init (gpointer g_class);
-static void gst_agingtv_class_init (gpointer g_class, gpointer class_data);
-static void gst_agingtv_init (GTypeInstance * instance, gpointer g_class);
-static void gst_agingtv_setup (GstVideofilter * videofilter);
-
-static void gst_agingtv_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_agingtv_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-static void gst_agingtv_rgb32 (GstVideofilter * videofilter, void *d, void *s);
+GType gst_agingtv_get_type (void);
-GType
-gst_agingtv_get_type (void)
-{
- static GType agingtv_type = 0;
+static GstElementDetails agingtv_details = GST_ELEMENT_DETAILS ("AgingTV",
+ "Filter/Effect/Video",
+ "AgingTV adds age to video input using scratches and dust",
+ "Sam Lantinga <slouken@devolution.com>");
- if (!agingtv_type) {
- static const GTypeInfo agingtv_info = {
- sizeof (GstAgingTVClass),
- gst_agingtv_base_init,
- NULL,
- gst_agingtv_class_init,
- NULL,
- NULL,
- sizeof (GstAgingTV),
- 0,
- gst_agingtv_init,
- };
+static GstStaticPadTemplate gst_agingtv_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRx)
+ );
- agingtv_type = g_type_register_static (GST_TYPE_VIDEOFILTER,
- "GstAgingTV", &agingtv_info, 0);
- }
- return agingtv_type;
-}
+static GstStaticPadTemplate gst_agingtv_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRx)
+ );
-static GstVideofilterFormat gst_agingtv_formats[] = {
- {"RGB ", 32, gst_agingtv_rgb32, 24, G_BIG_ENDIAN, 0x0000ff00, 0x00ff0000,
- 0xff000000}
-};
+static GstVideofilterClass *parent_class = NULL;
-static void
-gst_agingtv_base_init (gpointer g_class)
+static gboolean
+gst_agingtv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
+ GstCaps * outcaps)
{
- static GstElementDetails agingtv_details = GST_ELEMENT_DETAILS ("AgingTV",
- "Filter/Effect/Video",
- "AgingTV adds age to video input using scratches and dust",
- "Sam Lantinga <slouken@devolution.com>");
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
- GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
- int i;
+ GstAgingTV *filter = GST_AGINGTV (btrans);
+ GstStructure *structure;
+ gboolean ret = FALSE;
- gst_element_class_set_details (element_class, &agingtv_details);
+ structure = gst_caps_get_structure (incaps, 0);
- for (i = 0; i < G_N_ELEMENTS (gst_agingtv_formats); i++) {
- gst_videofilter_class_add_format (videofilter_class,
- gst_agingtv_formats + i);
+ if (gst_structure_get_int (structure, "width", &filter->width) &&
+ gst_structure_get_int (structure, "height", &filter->height)) {
+ ret = TRUE;
}
- gst_videofilter_class_add_pad_templates (GST_VIDEOFILTER_CLASS (g_class));
-}
-
-static void
-gst_agingtv_class_init (gpointer g_class, gpointer class_data)
-{
- GObjectClass *gobject_class;
- GstVideofilterClass *videofilter_class;
-
- gobject_class = G_OBJECT_CLASS (g_class);
- videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
-
-#if 0
- g_object_class_install_property (gobject_class, ARG_METHOD,
- g_param_spec_enum ("method", "method", "method",
- GST_TYPE_AGINGTV_METHOD, GST_AGINGTV_METHOD_1, G_PARAM_READWRITE));
-#endif
-
- gobject_class->set_property = gst_agingtv_set_property;
- gobject_class->get_property = gst_agingtv_get_property;
-
- videofilter_class->setup = gst_agingtv_setup;
+ return ret;
}
-static void
-gst_agingtv_init (GTypeInstance * instance, gpointer g_class)
+static gboolean
+gst_agingtv_get_unit_size (GstBaseTransform * btrans, GstCaps * caps,
+ guint * size)
{
- GstAgingTV *agingtv = GST_AGINGTV (instance);
- GstVideofilter *videofilter;
-
- GST_DEBUG ("gst_agingtv_init");
-
- videofilter = GST_VIDEOFILTER (agingtv);
-
- /* do stuff */
-}
+ GstAgingTV *filter;
+ GstStructure *structure;
+ gboolean ret = FALSE;
+ gint width, height;
-static void
-gst_agingtv_setup (GstVideofilter * videofilter)
-{
- GstAgingTV *agingtv;
- int width = gst_videofilter_get_input_width (videofilter);
- int height = gst_videofilter_get_input_height (videofilter);
+ filter = GST_AGINGTV (btrans);
- g_return_if_fail (GST_IS_AGINGTV (videofilter));
- agingtv = GST_AGINGTV (videofilter);
+ structure = gst_caps_get_structure (caps, 0);
- /* if any setup needs to be done, do it here */
+ if (gst_structure_get_int (structure, "width", &width) &&
+ gst_structure_get_int (structure, "height", &height)) {
+ *size = width * height * 32 / 8;
+ ret = TRUE;
+ GST_DEBUG_OBJECT (filter, "our frame size is %d bytes (%dx%d)", *size,
+ width, height);
+ }
- agingtv->width = width;
- agingtv->height = height;
+ return ret;
}
static unsigned int
}
}
-static void
-gst_agingtv_rgb32 (GstVideofilter * videofilter, void *d, void *s)
+static GstFlowReturn
+gst_agingtv_transform (GstBaseTransform * trans, GstBuffer * in,
+ GstBuffer * out)
{
- GstAgingTV *agingtv;
- int width = gst_videofilter_get_input_width (videofilter);
- int height = gst_videofilter_get_input_height (videofilter);
+ GstAgingTV *agingtv = GST_AGINGTV (trans);
+ gint width = agingtv->width;
+ gint height = agingtv->height;
int video_size = width * height;
- guint32 *src = s;
- guint32 *dest = d;
+ guint32 *src = (guint32 *) GST_BUFFER_DATA (in);
+ guint32 *dest = (guint32 *) GST_BUFFER_DATA (out);
gint area_scale = width * height / 64 / 480;
+ GstFlowReturn ret = GST_FLOW_OK;
+
+ gst_buffer_stamp (out, in);
if (area_scale <= 0)
area_scale = 1;
- g_return_if_fail (GST_IS_AGINGTV (videofilter));
- agingtv = GST_AGINGTV (videofilter);
-
coloraging (src, dest, video_size);
scratching (agingtv->scratches, agingtv->scratch_lines, dest, width, height);
pits (dest, width, height, area_scale, agingtv->pits_interval);
if (area_scale > 1)
dusts (dest, width, height, agingtv->dust_interval, area_scale);
+ return ret;
}
static void
-gst_agingtv_set_property (GObject * object, guint prop_id, const GValue * value,
- GParamSpec * pspec)
+gst_agingtv_base_init (gpointer g_class)
{
- GstAgingTV *src;
-
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_AGINGTV (object));
- src = GST_AGINGTV (object);
-
- GST_DEBUG ("gst_agingtv_set_property");
- switch (prop_id) {
-#if 0
- case ARG_METHOD:
- src->method = g_value_get_enum (value);
- break;
-#endif
- default:
- break;
- }
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_set_details (element_class, &agingtv_details);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_agingtv_sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_agingtv_src_template));
}
static void
-gst_agingtv_get_property (GObject * object, guint prop_id, GValue * value,
- GParamSpec * pspec)
+gst_agingtv_class_init (gpointer klass, gpointer class_data)
{
- GstAgingTV *src;
+ GObjectClass *gobject_class;
+ GstElementClass *element_class;
+ GstBaseTransformClass *trans_class;
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_AGINGTV (object));
- src = GST_AGINGTV (object);
+ gobject_class = (GObjectClass *) klass;
+ element_class = (GstElementClass *) klass;
+ trans_class = (GstBaseTransformClass *) klass;
- switch (prop_id) {
-#if 0
- case ARG_METHOD:
- g_value_set_enum (value, src->method);
- break;
-#endif
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
+ parent_class = g_type_class_peek_parent (klass);
+
+ trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_agingtv_set_caps);
+ trans_class->get_unit_size = GST_DEBUG_FUNCPTR (gst_agingtv_get_unit_size);
+ trans_class->transform = GST_DEBUG_FUNCPTR (gst_agingtv_transform);
+}
+
+static void
+gst_agingtv_init (GTypeInstance * instance, gpointer g_class)
+{
+}
+
+GType
+gst_agingtv_get_type (void)
+{
+ static GType agingtv_type = 0;
+
+ if (!agingtv_type) {
+ static const GTypeInfo agingtv_info = {
+ sizeof (GstAgingTVClass),
+ gst_agingtv_base_init,
+ NULL,
+ gst_agingtv_class_init,
+ NULL,
+ NULL,
+ sizeof (GstAgingTV),
+ 0,
+ gst_agingtv_init,
+ };
+
+ agingtv_type = g_type_register_static (GST_TYPE_VIDEOFILTER,
+ "GstAgingTV", &agingtv_info, 0);
}
+ return agingtv_type;
}