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gamma: Some random cleanup

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This commit is contained in:
Sebastian Dröge 2010-04-17 17:55:22 +02:00
parent ecb0c3a932
commit 2a3f99ca5f
1 changed files with 29 additions and 45 deletions
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74
gst/videofilter/gstgamma.c
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@ -57,13 +57,7 @@
GST_DEBUG_CATEGORY_STATIC (gamma_debug);
#define GST_CAT_DEFAULT gamma_debug
/* GstGamma signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
/* GstGamma properties */
enum
{
PROP_0,
@ -102,7 +96,6 @@ static void gst_gamma_calculate_tables (GstGamma * gamma);
GST_BOILERPLATE (GstGamma, gst_gamma, GstVideoFilter, GST_TYPE_VIDEO_FILTER);
static void
gst_gamma_base_init (gpointer g_class)
{
@ -121,18 +114,16 @@ gst_gamma_base_init (gpointer g_class)
static void
gst_gamma_class_init (GstGammaClass * g_class)
{
GObjectClass *gobject_class;
GstBaseTransformClass *trans_class;
gobject_class = G_OBJECT_CLASS (g_class);
trans_class = GST_BASE_TRANSFORM_CLASS (g_class);
GObjectClass *gobject_class = (GObjectClass *) g_class;
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) g_class;
gobject_class->set_property = gst_gamma_set_property;
gobject_class->get_property = gst_gamma_get_property;
g_object_class_install_property (gobject_class, PROP_GAMMA,
g_param_spec_double ("gamma", "Gamma", "gamma",
0.01, 10, DEFAULT_PROP_GAMMA, G_PARAM_READWRITE));
0.01, 10, DEFAULT_PROP_GAMMA,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_gamma_set_caps);
trans_class->transform_ip = GST_DEBUG_FUNCPTR (gst_gamma_transform_ip);
@ -141,8 +132,6 @@ gst_gamma_class_init (GstGammaClass * g_class)
static void
gst_gamma_init (GstGamma * gamma, GstGammaClass * g_class)
{
GST_DEBUG_OBJECT (gamma, "gst_gamma_init");
/* properties */
gamma->gamma = DEFAULT_PROP_GAMMA;
gst_gamma_calculate_tables (gamma);
@ -152,17 +141,18 @@ static void
gst_gamma_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{
GstGamma *gamma;
GstGamma *gamma = GST_GAMMA (object);
g_return_if_fail (GST_IS_GAMMA (object));
gamma = GST_GAMMA (object);
GST_DEBUG ("gst_gamma_set_property");
switch (prop_id) {
case PROP_GAMMA:
gamma->gamma = g_value_get_double (value);
case PROP_GAMMA:{
gdouble val = g_value_get_double (value);
GST_DEBUG_OBJECT (gamma, "Changing gamma from %lf to %lf", gamma->gamma,
val);
gamma->gamma = val;
gst_gamma_calculate_tables (gamma);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -173,10 +163,7 @@ static void
gst_gamma_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstGamma *gamma;
g_return_if_fail (GST_IS_GAMMA (object));
gamma = GST_GAMMA (object);
GstGamma *gamma = GST_GAMMA (object);
switch (prop_id) {
case PROP_GAMMA:
@ -191,9 +178,9 @@ gst_gamma_get_property (GObject * object, guint prop_id, GValue * value,
static void
gst_gamma_calculate_tables (GstGamma * gamma)
{
int n;
double val;
double exp;
gint n;
gdouble val;
gdouble exp;
if (gamma->gamma == 1.0) {
GST_BASE_TRANSFORM (gamma)->passthrough = TRUE;
@ -206,16 +193,16 @@ gst_gamma_calculate_tables (GstGamma * gamma)
val = n / 255.0;
val = pow (val, exp);
val = 255.0 * val;
gamma->gamma_table[n] = (unsigned char) floor (val + 0.5);
gamma->gamma_table[n] = (guint8) floor (val + 0.5);
}
}
#ifndef HAVE_LIBOIL
static void
oil_tablelookup_u8 (guint8 * dest, int dstr, guint8 * src, int sstr,
guint8 * table, int tstr, int n)
oil_tablelookup_u8 (guint8 * dest, gint dstr, const guint8 * src, gint sstr,
const guint8 * table, gint tstr, gint n)
{
int i;
gint i;
for (i = 0; i < n; i++) {
*dest = table[*src * tstr];
@ -239,23 +226,22 @@ static gboolean
gst_gamma_set_caps (GstBaseTransform * base, GstCaps * incaps,
GstCaps * outcaps)
{
GstGamma *this;
GstGamma *gamma = GST_GAMMA (base);
GstStructure *structure;
gboolean res;
this = GST_GAMMA (base);
GST_DEBUG_OBJECT (this,
"set_caps: in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps, outcaps);
GST_DEBUG_OBJECT (gamma,
"setting caps: in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps,
outcaps);
structure = gst_caps_get_structure (incaps, 0);
res = gst_structure_get_int (structure, "width", &this->width);
res &= gst_structure_get_int (structure, "height", &this->height);
res = gst_structure_get_int (structure, "width", &gamma->width);
res &= gst_structure_get_int (structure, "height", &gamma->height);
if (!res)
goto done;
this->size = GST_VIDEO_I420_SIZE (this->width, this->height);
gamma->size = GST_VIDEO_I420_SIZE (gamma->width, gamma->height);
done:
return res;
@ -270,12 +256,10 @@ gst_gamma_planar411_ip (GstGamma * gamma, guint8 * data, gint size)
static GstFlowReturn
gst_gamma_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
{
GstGamma *gamma;
GstGamma *gamma = GST_GAMMA (base);
guint8 *data;
guint size;
gamma = GST_GAMMA (base);
if (base->passthrough)
goto done;