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Diffstat (limited to 'gst/deinterlace/gstdeinterlace.c')
-rw-r--r--gst/deinterlace/gstdeinterlace.c271
1 files changed, 132 insertions, 139 deletions
diff --git a/gst/deinterlace/gstdeinterlace.c b/gst/deinterlace/gstdeinterlace.c
index 31cc7a9d..8b174e39 100644
--- a/gst/deinterlace/gstdeinterlace.c
+++ b/gst/deinterlace/gstdeinterlace.c
@@ -28,21 +28,22 @@
#include "gstdeinterlace.h"
/* elementfactory information */
-static GstElementDetails deinterlace_details = GST_ELEMENT_DETAILS (
- "Deinterlace",
- "Filter/Effect/Video",
- "Deinterlace video",
- "Wim Taymans <wim.taymans@chello.be>"
-);
+static GstElementDetails deinterlace_details =
+GST_ELEMENT_DETAILS ("Deinterlace",
+ "Filter/Effect/Video",
+ "Deinterlace video",
+ "Wim Taymans <wim.taymans@chello.be>");
/* Filter signals and args */
-enum {
+enum
+{
/* FILL ME */
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0,
ARG_DI_ONLY,
ARG_BLEND,
@@ -51,108 +52,102 @@ enum {
};
static GstStaticPadTemplate deinterlace_src_factory =
-GST_STATIC_PAD_TEMPLATE (
- "src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ( GST_VIDEO_CAPS_YUV ("I420"))
-);
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
+ );
static GstStaticPadTemplate deinterlace_sink_factory =
-GST_STATIC_PAD_TEMPLATE (
- "sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ( GST_VIDEO_CAPS_YUV ("I420"))
-);
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
+ );
-static GType gst_deinterlace_get_type (void);
+static GType gst_deinterlace_get_type (void);
-static void gst_deinterlace_base_init (gpointer g_class);
-static void gst_deinterlace_class_init (GstDeInterlaceClass *klass);
-static void gst_deinterlace_init (GstDeInterlace *filter);
+static void gst_deinterlace_base_init (gpointer g_class);
+static void gst_deinterlace_class_init (GstDeInterlaceClass * klass);
+static void gst_deinterlace_init (GstDeInterlace * filter);
-static void gst_deinterlace_set_property (GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec);
-static void gst_deinterlace_get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec);
+static void gst_deinterlace_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_deinterlace_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
-static void gst_deinterlace_chain (GstPad *pad, GstData *_data);
+static void gst_deinterlace_chain (GstPad * pad, GstData * _data);
static GstElementClass *parent_class = NULL;
+
/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
static GType
-gst_deinterlace_get_type(void) {
+gst_deinterlace_get_type (void)
+{
static GType deinterlace_type = 0;
if (!deinterlace_type) {
static const GTypeInfo deinterlace_info = {
- sizeof(GstDeInterlaceClass),
+ sizeof (GstDeInterlaceClass),
gst_deinterlace_base_init,
NULL,
- (GClassInitFunc)gst_deinterlace_class_init,
+ (GClassInitFunc) gst_deinterlace_class_init,
NULL,
NULL,
- sizeof(GstDeInterlace),
+ sizeof (GstDeInterlace),
0,
- (GInstanceInitFunc)gst_deinterlace_init,
+ (GInstanceInitFunc) gst_deinterlace_init,
};
- deinterlace_type = g_type_register_static(GST_TYPE_ELEMENT, "GstDeInterlace", &deinterlace_info, 0);
+ deinterlace_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "GstDeInterlace",
+ &deinterlace_info, 0);
}
return deinterlace_type;
}
static void
gst_deinterlace_base_init (gpointer g_class)
-{
+{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&deinterlace_src_factory));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&deinterlace_sink_factory));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&deinterlace_src_factory));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&deinterlace_sink_factory));
gst_element_class_set_details (element_class, &deinterlace_details);
}
static void
-gst_deinterlace_class_init (GstDeInterlaceClass *klass)
+gst_deinterlace_class_init (GstDeInterlaceClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
- parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DI_ONLY,
- g_param_spec_boolean("di_area_only","di_area_only","di_area_only",
- TRUE,G_PARAM_READWRITE)); /* CHECKME */
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BLEND,
- g_param_spec_boolean("blend","blend","blend",
- TRUE,G_PARAM_READWRITE)); /* CHECKME */
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_THRESHOLD,
- g_param_spec_int("threshold","threshold","threshold",
- G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_EDGE_DETECT,
- g_param_spec_int("edge_detect","edge_detect","edge_detect",
- G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DI_ONLY, g_param_spec_boolean ("di_area_only", "di_area_only", "di_area_only", TRUE, G_PARAM_READWRITE)); /* CHECKME */
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BLEND, g_param_spec_boolean ("blend", "blend", "blend", TRUE, G_PARAM_READWRITE)); /* CHECKME */
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_THRESHOLD, g_param_spec_int ("threshold", "threshold", "threshold", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_EDGE_DETECT, g_param_spec_int ("edge_detect", "edge_detect", "edge_detect", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
gobject_class->set_property = gst_deinterlace_set_property;
gobject_class->get_property = gst_deinterlace_get_property;
}
static GstPadLinkReturn
-gst_deinterlace_link (GstPad *pad, const GstCaps *caps)
+gst_deinterlace_link (GstPad * pad, const GstCaps * caps)
{
GstDeInterlace *filter;
GstStructure *structure;
GstPadLinkReturn ret;
- filter = GST_DEINTERLACE(gst_pad_get_parent (pad));
-
+ filter = GST_DEINTERLACE (gst_pad_get_parent (pad));
+
ret = gst_pad_try_set_caps (filter->srcpad, caps);
if (GST_PAD_LINK_FAILED (ret)) {
return ret;
@@ -162,29 +157,31 @@ gst_deinterlace_link (GstPad *pad, const GstCaps *caps)
gst_structure_get_int (structure, "width", &filter->width);
gst_structure_get_int (structure, "height", &filter->height);
- if (filter->picsize != (filter->width*filter->height)) {
- if (filter->src)
- g_free(filter->src);
- filter->picsize = filter->width*filter->height;
- filter->src = g_malloc(filter->picsize);
+ if (filter->picsize != (filter->width * filter->height)) {
+ if (filter->src)
+ g_free (filter->src);
+ filter->picsize = filter->width * filter->height;
+ filter->src = g_malloc (filter->picsize);
}
return GST_PAD_LINK_OK;
}
static void
-gst_deinterlace_init (GstDeInterlace *filter)
+gst_deinterlace_init (GstDeInterlace * filter)
{
- filter->sinkpad = gst_pad_new_from_template(
- gst_static_pad_template_get(&deinterlace_sink_factory),"sink");
- gst_pad_set_chain_function(filter->sinkpad,gst_deinterlace_chain);
- gst_pad_set_link_function(filter->sinkpad,gst_deinterlace_link);
- gst_element_add_pad(GST_ELEMENT(filter),filter->sinkpad);
-
- filter->srcpad = gst_pad_new_from_template(
- gst_static_pad_template_get(&deinterlace_src_factory),"src");
- gst_pad_set_link_function(filter->srcpad,gst_deinterlace_link);
- gst_element_add_pad(GST_ELEMENT(filter),filter->srcpad);
+ filter->sinkpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&deinterlace_sink_factory), "sink");
+ gst_pad_set_chain_function (filter->sinkpad, gst_deinterlace_chain);
+ gst_pad_set_link_function (filter->sinkpad, gst_deinterlace_link);
+ gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
+
+ filter->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&deinterlace_src_factory), "src");
+ gst_pad_set_link_function (filter->srcpad, gst_deinterlace_link);
+ gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
filter->show_deinterlaced_area_only = FALSE;
filter->blend = FALSE;
@@ -197,7 +194,7 @@ gst_deinterlace_init (GstDeInterlace *filter)
}
static void
-gst_deinterlace_chain (GstPad *pad, GstData *_data)
+gst_deinterlace_chain (GstPad * pad, GstData * _data)
{
GstBuffer *buf = GST_BUFFER (_data);
GstDeInterlace *filter;
@@ -228,14 +225,14 @@ gst_deinterlace_chain (GstPad *pad, GstData *_data)
yuvptr = GST_BUFFER_DATA (buf);
bShowDeinterlacedAreaOnly = filter->show_deinterlaced_area_only;
- memcpy(filter->src, yuvptr, filter->picsize);
+ memcpy (filter->src, yuvptr, filter->picsize);
- y_dst = yuvptr; /* dst y pointer */
- /* we should not change u,v because one u, v value stands for */
- /* 2 pixels per 2 lines = 4 pixel and we don't want to change */
- /* the color of */
+ y_dst = yuvptr; /* dst y pointer */
+ /* we should not change u,v because one u, v value stands for */
+ /* 2 pixels per 2 lines = 4 pixel and we don't want to change */
+ /* the color of */
- y_line = width;
+ y_line = width;
y_src = src;
iThreshold = iThreshold * iThreshold * 4;
@@ -244,10 +241,10 @@ gst_deinterlace_chain (GstPad *pad, GstData *_data)
iEdgeDetect = 180;
iEdgeDetect = iEdgeDetect * iEdgeDetect;
- y1 = 0; /* Avoid compiler warning. The value is not used. */
+ y1 = 0; /* Avoid compiler warning. The value is not used. */
for (x = 0; x < width; x++) {
psrc3 = y_src + x;
- y3 = *psrc3;
+ y3 = *psrc3;
psrc2 = psrc3 + y_line;
y2 = *psrc2;
pdst1 = y_dst + x;
@@ -260,48 +257,49 @@ gst_deinterlace_chain (GstPad *pad, GstData *_data)
y1 = y2;
y2 = y3;
if (y < height - 1) {
- y3 = *psrc3;
+ y3 = *psrc3;
} else {
- y3 = y1;
+ y3 = y1;
}
iInterlaceValue0 = iInterlaceValue1;
iInterlaceValue1 = iInterlaceValue2;
if (y < height)
- iInterlaceValue2 = ((y1 - y2) * (y3 - y2) -
- ((iEdgeDetect * (y1 - y3) * (y1 - y3)) >> 12))*10;
+ iInterlaceValue2 = ((y1 - y2) * (y3 - y2) -
+ ((iEdgeDetect * (y1 - y3) * (y1 - y3)) >> 12)) * 10;
else
- iInterlaceValue2 = 0;
-
- if (y > 0) {
- if (iInterlaceValue0 + 2 * iInterlaceValue1 + iInterlaceValue2 > iThreshold) {
- if (bBlend) {
- *pdst1 = (unsigned char)((y0 + 2*y1 + y2) >> 2);
- } else {
- /* this method seems to work better than blending if the */
- /* quality is pretty bad and the half pics don't fit together */
- if ((y % 2)==1) { /* if odd simply copy the value */
- *pdst1 = *psrc1;
- /**pdst1 = 0; // FIXME this is for adjusting an initial iThreshold */
- } else { /* even interpolate the even line (upper + lower)/2 */
- *pdst1 = (unsigned char)((y0 + y2) >> 1);
- /**pdst1 = 0; // FIXME this is for adjusting an initial iThreshold */
- }
- }
- } else {
- /* so we went below the treshold and therefore we don't have to */
- /* change anything */
- if (bShowDeinterlacedAreaOnly) {
- /* this is for testing to see how we should tune the treshhold */
- /* and shows as the things that haven't change because the */
- /* threshhold was to low?? (or shows that everything is ok :-) */
- *pdst1 = 0; /* blank the point and so the interlac area */
- } else {
- *pdst1 = *psrc1;
- }
- }
- pdst1 = pdst1 + y_line;
+ iInterlaceValue2 = 0;
+
+ if (y > 0) {
+ if (iInterlaceValue0 + 2 * iInterlaceValue1 + iInterlaceValue2 >
+ iThreshold) {
+ if (bBlend) {
+ *pdst1 = (unsigned char) ((y0 + 2 * y1 + y2) >> 2);
+ } else {
+ /* this method seems to work better than blending if the */
+ /* quality is pretty bad and the half pics don't fit together */
+ if ((y % 2) == 1) { /* if odd simply copy the value */
+ *pdst1 = *psrc1;
+ /**pdst1 = 0; // FIXME this is for adjusting an initial iThreshold */
+ } else { /* even interpolate the even line (upper + lower)/2 */
+ *pdst1 = (unsigned char) ((y0 + y2) >> 1);
+ /**pdst1 = 0; // FIXME this is for adjusting an initial iThreshold */
+ }
+ }
+ } else {
+ /* so we went below the treshold and therefore we don't have to */
+ /* change anything */
+ if (bShowDeinterlacedAreaOnly) {
+ /* this is for testing to see how we should tune the treshhold */
+ /* and shows as the things that haven't change because the */
+ /* threshhold was to low?? (or shows that everything is ok :-) */
+ *pdst1 = 0; /* blank the point and so the interlac area */
+ } else {
+ *pdst1 = *psrc1;
+ }
+ }
+ pdst1 = pdst1 + y_line;
}
}
}
@@ -310,17 +308,17 @@ gst_deinterlace_chain (GstPad *pad, GstData *_data)
}
static void
-gst_deinterlace_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+gst_deinterlace_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
{
GstDeInterlace *filter;
/* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_DEINTERLACE(object));
+ g_return_if_fail (GST_IS_DEINTERLACE (object));
- filter = GST_DEINTERLACE(object);
+ filter = GST_DEINTERLACE (object);
- switch (prop_id)
- {
+ switch (prop_id) {
case ARG_DI_ONLY:
filter->show_deinterlaced_area_only = g_value_get_boolean (value);
break;
@@ -339,14 +337,15 @@ gst_deinterlace_set_property (GObject *object, guint prop_id, const GValue *valu
}
static void
-gst_deinterlace_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+gst_deinterlace_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
GstDeInterlace *filter;
/* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_DEINTERLACE(object));
+ g_return_if_fail (GST_IS_DEINTERLACE (object));
- filter = GST_DEINTERLACE(object);
+ filter = GST_DEINTERLACE (object);
switch (prop_id) {
case ARG_DI_ONLY:
@@ -368,22 +367,16 @@ gst_deinterlace_get_property (GObject *object, guint prop_id, GValue *value, GPa
}
static gboolean
-plugin_init (GstPlugin *plugin)
+plugin_init (GstPlugin * plugin)
{
- if (!gst_element_register (plugin, "deinterlace", GST_RANK_NONE, gst_deinterlace_get_type()))
+ if (!gst_element_register (plugin, "deinterlace", GST_RANK_NONE,
+ gst_deinterlace_get_type ()))
return FALSE;
return TRUE;
}
-GST_PLUGIN_DEFINE (
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "deinterlace",
- "Deinterlace video",
- plugin_init,
- VERSION,
- "LGPL",
- GST_PACKAGE,
- GST_ORIGIN
-);
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "deinterlace",
+ "Deinterlace video", plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN);