diff options
author | Wim Taymans <wim.taymans@gmail.com> | 2002-04-23 22:17:01 +0000 |
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committer | Wim Taymans <wim.taymans@gmail.com> | 2002-04-23 22:17:01 +0000 |
commit | 49ae2189aeea90ab7350af853291252ad0fe8eb3 (patch) | |
tree | e8ec5457142b0f54f100887c0bd2c13b8b963e35 /gst/effectv/gsteffectv.c | |
parent | 191ef94d892ac09dc35247da9ea51ced7c924abb (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.c | 385 |
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; } |