#include <math.h>
#include <string.h>
#include <gst/gst.h>
-#include "gsteffectv.h"
+#include <gstvideofilter.h>
#define GST_TYPE_REVTV \
(gst_revtv_get_type())
#define GST_REVTV(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_REVTV,GstRevTV))
#define GST_REVTV_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstRevTV))
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_REVTV,GstRevTVClass))
#define GST_IS_REVTV(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_REVTV))
#define GST_IS_REVTV_CLASS(obj) \
struct _GstRevTV
{
- GstElement element;
-
- GstPad *sinkpad, *srcpad;
+ GstVideofilter videofilter;
gint width, height;
gint vgrabtime;
struct _GstRevTVClass
{
- GstElementClass parent_class;
+ GstVideofilterClass parent_class;
- void (*reset) (GstElement *element);
+ void (*reset) (GstElement * element);
};
-/* elementfactory information */
-static GstElementDetails gst_revtv_details = GST_ELEMENT_DETAILS (
- "RevTV",
- "Filter/Video/Effect",
- "A video waveform monitor for each line of video processed",
- "Wim Taymans <wim.taymans@chello.be>"
-);
-
-
/* Filter signals and args */
enum
{
ARG_0,
ARG_DELAY,
ARG_LINESPACE,
- ARG_GAIN,
+ ARG_GAIN
};
-static void gst_revtv_base_init (gpointer g_class);
-static void gst_revtv_class_init (GstRevTVClass * klass);
-static void gst_revtv_init (GstRevTV * filter);
-
-static void gst_revtv_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_revtv_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
+static void gst_revtv_base_init (gpointer g_class);
+static void gst_revtv_class_init (gpointer g_class, gpointer class_data);
+static void gst_revtv_init (GTypeInstance * instance, gpointer g_class);
-static void gst_revtv_chain (GstPad * pad, GstData *_data);
+static void gst_revtv_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_revtv_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+static void gst_revtv_setup (GstVideofilter * videofilter);
+static void gst_revtv_rgb32 (GstVideofilter * videofilter, void *d, void *s);
-static GstElementClass *parent_class = NULL;
/* static guint gst_revtv_signals[LAST_SIGNAL] = { 0 }; */
-GType gst_revtv_get_type (void)
+GType
+gst_revtv_get_type (void)
{
static GType revtv_type = 0;
if (!revtv_type) {
static const GTypeInfo revtv_info = {
- sizeof (GstRevTVClass),
+ sizeof (GstRevTVClass),
gst_revtv_base_init,
NULL,
(GClassInitFunc) gst_revtv_class_init,
(GInstanceInitFunc) gst_revtv_init,
};
- revtv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstRevTV", &revtv_info, 0);
+ revtv_type =
+ g_type_register_static (GST_TYPE_VIDEOFILTER, "GstRevTV", &revtv_info,
+ 0);
}
return revtv_type;
}
+static GstVideofilterFormat gst_revtv_formats[] = {
+ {"RGB ", 32, gst_revtv_rgb32, 24, G_BIG_ENDIAN, 0x0000ff00, 0x00ff0000,
+ 0xff000000}
+};
+
static void
gst_revtv_base_init (gpointer g_class)
{
+ /* elementfactory information */
+ static GstElementDetails gst_revtv_details = GST_ELEMENT_DETAILS ("RevTV",
+ "Filter/Effect/Video",
+ "A video waveform monitor for each line of video processed",
+ "Wim Taymans <wim.taymans@chello.be>");
+
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+ GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
+ int i;
- gst_element_class_add_pad_template (element_class, gst_effectv_src_factory ());
- gst_element_class_add_pad_template (element_class, gst_effectv_sink_factory ());
-
gst_element_class_set_details (element_class, &gst_revtv_details);
+
+ for (i = 0; i < G_N_ELEMENTS (gst_revtv_formats); i++) {
+ gst_videofilter_class_add_format (videofilter_class, gst_revtv_formats + i);
+ }
+
+ gst_videofilter_class_add_pad_templates (GST_VIDEOFILTER_CLASS (g_class));
}
static void
-gst_revtv_class_init (GstRevTVClass * klass)
+gst_revtv_class_init (gpointer klass, gpointer class_data)
{
GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
+ GstVideofilterClass *videofilter_class;
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
+ gobject_class = G_OBJECT_CLASS (klass);
+ videofilter_class = GST_VIDEOFILTER_CLASS (klass);
- parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+ gobject_class->set_property = gst_revtv_set_property;
+ gobject_class->get_property = gst_revtv_get_property;
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DELAY,
- g_param_spec_int ("delay","Delay","Delay in frames between updates",
- 1, 100, 1, G_PARAM_READWRITE));
+ g_param_spec_int ("delay", "Delay", "Delay in frames between updates",
+ 1, 100, 1, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LINESPACE,
- g_param_spec_int ("linespace","Linespace","Control line spacing",
- 1, 100, 6, G_PARAM_READWRITE));
+ g_param_spec_int ("linespace", "Linespace", "Control line spacing",
+ 1, 100, 6, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_GAIN,
- g_param_spec_int ("gain","Gain","Control gain",
- 1, 200, 50, G_PARAM_READWRITE));
+ g_param_spec_int ("gain", "Gain", "Control gain",
+ 1, 200, 50, G_PARAM_READWRITE));
- gobject_class->set_property = gst_revtv_set_property;
- gobject_class->get_property = gst_revtv_get_property;
+ videofilter_class->setup = gst_revtv_setup;
}
-static GstPadLinkReturn
-gst_revtv_sinkconnect (GstPad * pad, GstCaps * caps)
+static void
+gst_revtv_init (GTypeInstance * instance, gpointer g_class)
{
- GstRevTV *filter;
-
- filter = GST_REVTV (gst_pad_get_parent (pad));
-
- if (!GST_CAPS_IS_FIXED (caps))
- return GST_PAD_LINK_DELAYED;
+ GstRevTV *restv = GST_REVTV (instance);
- gst_caps_get_int (caps, "width", &filter->width);
- gst_caps_get_int (caps, "height", &filter->height);
-
- return gst_pad_try_set_caps (filter->srcpad, gst_caps_ref (caps));
+ restv->vgrabtime = 1;
+ restv->vgrab = 0;
+ restv->linespace = 6;
+ restv->vscale = 50;
}
static void
-gst_revtv_init (GstRevTV * filter)
+gst_revtv_setup (GstVideofilter * videofilter)
{
- filter->sinkpad = gst_pad_new_from_template (gst_effectv_sink_factory (), "sink");
- gst_pad_set_chain_function (filter->sinkpad, gst_revtv_chain);
- gst_pad_set_link_function (filter->sinkpad, gst_revtv_sinkconnect);
- gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
-
- filter->srcpad = gst_pad_new_from_template (gst_effectv_src_factory (), "src");
- gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
-
- filter->vgrabtime = 1;
- filter->vgrab = 0;
- filter->linespace = 6;
- filter->vscale = 50;
-}
+ GstRevTV *revtv;
+
+ g_return_if_fail (GST_IS_REVTV (videofilter));
+ revtv = GST_REVTV (videofilter);
+ revtv->width = gst_videofilter_get_input_width (videofilter);
+ revtv->height = gst_videofilter_get_input_height (videofilter);
+}
static void
-gst_revtv_chain (GstPad * pad, GstData *_data)
+gst_revtv_rgb32 (GstVideofilter * videofilter, void *d, void *s)
{
- GstBuffer *buf = GST_BUFFER (_data);
GstRevTV *filter;
guint32 *src, *dest;
- GstBuffer *outbuf;
- gint width, height, area;
+ gint width, height;
guint32 *nsrc;
gint y, x, R, G, B, yval;
- filter = GST_REVTV (gst_pad_get_parent (pad));
+ filter = GST_REVTV (videofilter);
- src = (guint32 *) GST_BUFFER_DATA (buf);
+ src = (guint32 *) s;
+ dest = (guint32 *) d;
width = filter->width;
height = filter->height;
- area = width * height;
- outbuf = gst_buffer_new ();
- GST_BUFFER_SIZE (outbuf) = area * sizeof(guint32);
- dest = (guint32 *) GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
- GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
+ /* Clear everything to black */
+ memset (dest, 0, width * height * sizeof (guint32));
// draw the offset lines
- for (y = 0; y < height ; y += filter->linespace){
+ for (y = 0; y < height; y += filter->linespace) {
for (x = 0; x <= width; x++) {
nsrc = src + (y * width) + x;
// Calc Y Value for curpix
R = ((*nsrc) & 0xff0000) >> (16 - 1);
G = ((*nsrc) & 0xff00) >> (8 - 2);
- B = (*nsrc) & 0xff;
+ B = (*nsrc) & 0xff;
- yval = y - ((short) (R + G + B) / filter->vscale) ;
+ yval = y - ((short) (R + G + B) / filter->vscale);
if (yval > 0) {
- dest[x + (yval * width)] = THE_COLOR;
+ dest[x + (yval * width)] = THE_COLOR;
}
}
}
-
- gst_buffer_unref (buf);
-
- gst_pad_push (filter->srcpad, GST_DATA (outbuf));
}
static void
-gst_revtv_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
+gst_revtv_set_property (GObject * object, guint prop_id, const GValue * value,
+ GParamSpec * pspec)
{
GstRevTV *filter;
- /* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_REVTV (object));
filter = GST_REVTV (object);
}
static void
-gst_revtv_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
+gst_revtv_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
GstRevTV *filter;
- /* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_REVTV (object));
filter = GST_REVTV (object);
projects / platform / upstream / gst-plugins-good.git / blobdiff