summaryrefslogtreecommitdiffstats
path: root/gst/effectv/gsteffectv.c
diff options
context:
space:
mode:
authorWim Taymans <wim.taymans@gmail.com>2002-04-23 22:17:01 +0000
committerWim Taymans <wim.taymans@gmail.com>2002-04-23 22:17:01 +0000
commit49ae2189aeea90ab7350af853291252ad0fe8eb3 (patch)
treee8ec5457142b0f54f100887c0bd2c13b8b963e35 /gst/effectv/gsteffectv.c
parent191ef94d892ac09dc35247da9ea51ced7c924abb (diff)
Added some more components to port effectv
Original commit message from CVS: Added some more components to port effectv
Diffstat (limited to 'gst/effectv/gsteffectv.c')
-rw-r--r--gst/effectv/gsteffectv.c385
1 files changed, 74 insertions, 311 deletions
diff --git a/gst/effectv/gsteffectv.c b/gst/effectv/gsteffectv.c
index ce5fc52d..3738902e 100644
--- a/gst/effectv/gsteffectv.c
+++ b/gst/effectv/gsteffectv.c
@@ -19,339 +19,102 @@
#include <string.h>
#include <gst/gst.h>
+#include "gsteffectv.h"
-#define GST_TYPE_EFFECTV \
- (gst_effectv_get_type())
-#define GST_EFFECTV(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_EFFECTV,GstEffecTV))
-#define GST_EFFECTV_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstEffecTV))
-#define GST_IS_EFFECTV(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_EFFECTV))
-#define GST_IS_EFFECTV_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_EFFECTV))
-typedef struct _GstEffecTV GstEffecTV;
-typedef struct _GstEffecTVClass GstEffecTVClass;
-
-struct _GstEffecTV
-{
- GstElement element;
-
- GstPad *sinkpad, *srcpad;
-
- gint width, height;
- gint map_width, map_height;
- guint32 *map;
- gint video_width_margin;
-};
-
-struct _GstEffecTVClass
-{
- GstElementClass parent_class;
-};
-
-static GstElementDetails effectv_details = {
- "EffecTV",
- "Filter/Effect",
- "Aply edge detect on video",
- VERSION,
- "Wim Taymans <wim.taymans@chello.be>",
- "(C) 2002",
+struct _elements_entry {
+ gchar *name;
+ GType (*type) (void);
+ GstElementDetails *details;
+ gboolean (*factoryinit) (GstElementFactory *factory);
};
-
-/* Filter signals and args */
-enum
-{
- /* FILL ME */
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0,
+static struct _elements_entry _elements[] = {
+ { "edgeTV", gst_edgetv_get_type, &gst_edgetv_details, NULL },
+ { "agingTV", gst_agingtv_get_type, &gst_agingtv_details, NULL },
+ { NULL, 0 },
};
-GST_PAD_TEMPLATE_FACTORY (effectv_src_factory,
- "src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_CAPS_NEW (
- "effectv_src",
- "video/raw",
- "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
- "bpp", GST_PROPS_INT (32),
- "depth", GST_PROPS_INT (32),
- "endianness", GST_PROPS_INT (G_BYTE_ORDER),
- "red_mask", GST_PROPS_INT (0xff0000),
- "green_mask", GST_PROPS_INT (0xff00),
- "blue_mask", GST_PROPS_INT (0xff),
- "width", GST_PROPS_INT_RANGE (16, 4096),
- "height", GST_PROPS_INT_RANGE (16, 4096)
- )
-)
-
-GST_PAD_TEMPLATE_FACTORY (effectv_sink_factory,
- "sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_CAPS_NEW (
- "effectv_src",
- "video/raw",
- "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
- "bpp", GST_PROPS_INT (32),
- "depth", GST_PROPS_INT (32),
- "endianness", GST_PROPS_INT (G_BYTE_ORDER),
- "red_mask", GST_PROPS_INT (0xff0000),
- "green_mask", GST_PROPS_INT (0xff00),
- "blue_mask", GST_PROPS_INT (0xff),
- "width", GST_PROPS_INT_RANGE (16, 4096),
- "height", GST_PROPS_INT_RANGE (16, 4096)
- )
-)
-
-static GType gst_effectv_get_type (void);
-
-static void gst_effectv_class_init (GstEffecTVClass * klass);
-static void gst_effectv_init (GstEffecTV * filter);
-
-static void gst_effectv_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_effectv_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-static void gst_effectv_chain (GstPad * pad, GstBuffer * buf);
-
-static GstElementClass *parent_class = NULL;
-
-/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
-
- static GType gst_effectv_get_type (void)
-{
- static GType effectv_type = 0;
-
- if (!effectv_type) {
- static const GTypeInfo effectv_info = {
- sizeof (GstEffecTVClass), NULL,
- NULL,
- (GClassInitFunc) gst_effectv_class_init,
- NULL,
- NULL,
- sizeof (GstEffecTV),
- 0,
- (GInstanceInitFunc) gst_effectv_init,
- };
-
- effectv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstEffecTV", &effectv_info, 0);
- }
- return effectv_type;
-}
-
-static void
-gst_effectv_class_init (GstEffecTVClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
-
- parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
-
- gobject_class->set_property = gst_effectv_set_property;
- gobject_class->get_property = gst_effectv_get_property;
-}
-
-static GstPadConnectReturn
-gst_effectv_sinkconnect (GstPad * pad, GstCaps * caps)
-{
- GstEffecTV *filter;
-
- filter = GST_EFFECTV (gst_pad_get_parent (pad));
- if (!GST_CAPS_IS_FIXED (caps))
- return GST_PAD_CONNECT_DELAYED;
-
- gst_caps_get_int (caps, "width", &filter->width);
- gst_caps_get_int (caps, "height", &filter->height);
-
- filter->map_width = filter->width / 4;
- filter->map_height = filter->height / 4;
- filter->video_width_margin = filter->width - filter->map_width * 4;
-
- g_free (filter->map);
- filter->map = (guint32 *)g_malloc (filter->map_width * filter->map_height * sizeof(guint32) * 2);
- bzero(filter->map, filter->map_width * filter->map_height * sizeof(guint32) * 2);
-
- if (gst_pad_try_set_caps (filter->srcpad, caps)) {
- return GST_PAD_CONNECT_OK;
- }
-
- return GST_PAD_CONNECT_REFUSED;
-}
-
-static void
-gst_effectv_init (GstEffecTV * filter)
-{
- filter->sinkpad = gst_pad_new_from_template (effectv_sink_factory (), "sink");
- gst_pad_set_chain_function (filter->sinkpad, gst_effectv_chain);
- gst_pad_set_connect_function (filter->sinkpad, gst_effectv_sinkconnect);
- gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
-
- filter->srcpad = gst_pad_new_from_template (effectv_src_factory (), "src");
- gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
-
- filter->map = NULL;
-}
-
-static void
-gst_effectv_chain (GstPad * pad, GstBuffer * buf)
-{
- GstEffecTV *filter;
- int x, y;
- int r, g, b;
- guint32 *src, *dest;
- guint32 p, q;
- guint32 v0, v1, v2, v3;
- GstBuffer *outbuf;
-
- filter = GST_EFFECTV (gst_pad_get_parent (pad));
-
- src = (guint32 *) GST_BUFFER_DATA (buf);
-
- outbuf = gst_buffer_new ();
- GST_BUFFER_SIZE (outbuf) = (filter->width * filter->height * 4);
- dest = (guint32 *) GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
- GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
-
- src += filter->width * 4 + 4;
- dest += filter->width * 4 + 4;
-
- for (y = 1; y < filter->map_height - 1; y++) {
- for (x = 1; x < filter->map_width - 1; x++) {
-
- p = *src;
- q = *(src - 4);
-
-/* difference between the current pixel and right neighbor. */
- r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
- g = ((p & 0xff00) - (q & 0xff00)) >> 8;
- b = (p & 0xff) - (q & 0xff);
- r *= r;
- g *= g;
- b *= b;
- r = r >> 5; /* To lack the lower bit for saturated addition, */
- g = g >> 5; /* devide the value with 32, instead of 16. It is */
- b = b >> 4; /* same as `v2 &= 0xfefeff' */
- if (r > 127)
- r = 127;
- if (g > 127)
- g = 127;
- if (b > 255)
- b = 255;
- v2 = (r << 17) | (g << 9) | b;
-
-/* difference between the current pixel and upper neighbor. */
- q = *(src - filter->width * 4);
- r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
- g = ((p & 0xff00) - (q & 0xff00)) >> 8;
- b = (p & 0xff) - (q & 0xff);
- r *= r;
- g *= g;
- b *= b;
- r = r >> 5;
- g = g >> 5;
- b = b >> 4;
- if (r > 127)
- r = 127;
- if (g > 127)
- g = 127;
- if (b > 255)
- b = 255;
- v3 = (r << 17) | (g << 9) | b;
-
- v0 = filter->map[(y - 1) * filter->map_width * 2 + x * 2];
- v1 = filter->map[y * filter->map_width * 2 + (x - 1) * 2 + 1];
- filter->map[y * filter->map_width * 2 + x * 2] = v2;
- filter->map[y * filter->map_width * 2 + x * 2 + 1] = v3;
- r = v0 + v1;
- g = r & 0x01010100;
- dest[0] = r | (g - (g >> 8));
- r = v0 + v3;
- g = r & 0x01010100;
- dest[1] = r | (g - (g >> 8));
- dest[2] = v3;
- dest[3] = v3;
- r = v2 + v1;
- g = r & 0x01010100;
- dest[filter->width] = r | (g - (g >> 8));
- r = v2 + v3;
- g = r & 0x01010100;
- dest[filter->width + 1] = r | (g - (g >> 8));
- dest[filter->width + 2] = v3;
- dest[filter->width + 3] = v3;
- dest[filter->width * 2] = v2;
- dest[filter->width * 2 + 1] = v2;
- dest[filter->width * 3] = v2;
- dest[filter->width * 3 + 1] = v2;
-
- src += 4;
- dest += 4;
- }
- src += filter->width * 3 + 8 + filter->video_width_margin;
- dest += filter->width * 3 + 8 + filter->video_width_margin;
- }
- gst_buffer_unref (buf);
-
- gst_pad_push (filter->srcpad, outbuf);
-}
-
-static void
-gst_effectv_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
+GstPadTemplate*
+gst_effectv_src_factory (void)
{
- GstEffecTV *filter;
-
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_EFFECTV (object));
-
- filter = GST_EFFECTV (object);
-
- switch (prop_id) {
- default:
- break;
+ static GstPadTemplate *templ = NULL;
+ if (!templ) {
+ templ = GST_PAD_TEMPLATE_NEW (
+ "src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "effectv_src",
+ "video/raw",
+ "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
+ "bpp", GST_PROPS_INT (32),
+ "depth", GST_PROPS_INT (32),
+ "endianness", GST_PROPS_INT (G_BYTE_ORDER),
+ "red_mask", GST_PROPS_INT (0xff0000),
+ "green_mask", GST_PROPS_INT (0xff00),
+ "blue_mask", GST_PROPS_INT (0xff),
+ "width", GST_PROPS_INT_RANGE (16, 4096),
+ "height", GST_PROPS_INT_RANGE (16, 4096)
+ )
+ );
}
+ return templ;
}
-static void
-gst_effectv_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
+GstPadTemplate*
+gst_effectv_sink_factory (void)
{
- GstEffecTV *filter;
-
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_EFFECTV (object));
-
- filter = GST_EFFECTV (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
+ static GstPadTemplate *templ = NULL;
+ if (!templ) {
+ templ = GST_PAD_TEMPLATE_NEW (
+ "sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "effectv_sink",
+ "video/raw",
+ "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
+ "bpp", GST_PROPS_INT (32),
+ "depth", GST_PROPS_INT (32),
+ "endianness", GST_PROPS_INT (G_BYTE_ORDER),
+ "red_mask", GST_PROPS_INT (0xff0000),
+ "green_mask", GST_PROPS_INT (0xff00),
+ "blue_mask", GST_PROPS_INT (0xff),
+ "width", GST_PROPS_INT_RANGE (16, 4096),
+ "height", GST_PROPS_INT_RANGE (16, 4096)
+ )
+ );
}
+ return templ;
}
static gboolean
plugin_init (GModule * module, GstPlugin * plugin)
{
GstElementFactory *factory;
+ gint i = 0;
- factory = gst_element_factory_new ("edgeTV", GST_TYPE_EFFECTV, &effectv_details);
- g_return_val_if_fail (factory != NULL, FALSE);
+ while (_elements[i].name) {
+ factory = gst_element_factory_new (_elements[i].name,
+ (_elements[i].type) (),
+ _elements[i].details);
- gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (effectv_src_factory));
- gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (effectv_sink_factory));
+ if (!factory) {
+ g_warning ("gst_effecttv_new failed for `%s'",
+ _elements[i].name);
+ continue;
+ }
+ gst_element_factory_add_pad_template (factory, gst_effectv_src_factory ());
+ gst_element_factory_add_pad_template (factory, gst_effectv_sink_factory ());
- gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+ gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+ if (_elements[i].factoryinit) {
+ _elements[i].factoryinit (factory);
+ }
+ i++;
+ }
return TRUE;
}