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gaudieffects: consistency fixes in gstgaussblur

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This commit is contained in:
Luis de Bethencourt 2012-05-10 13:46:27 +01:00
parent c7949405ca
commit f805f9e079
2 changed files with 44 additions and 42 deletions
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70
gst/gaudieffects/gstgaussblur.c
View file

@ -69,16 +69,17 @@
#include "gstplugin.h"
#include "gstgaussblur.h"
static void gauss_blur_stop (GObject * object);
static void gst_gaussianblur_finalize (GObject * object);
static gboolean gauss_blur_set_info (GstVideoFilter * filter, GstCaps * incaps,
GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info);
static GstFlowReturn gauss_blur_transform_frame (GstVideoFilter * vfilter,
static gboolean gst_gaussianblur_set_info (GstVideoFilter * filter,
GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps,
GstVideoInfo * out_info);
static GstFlowReturn gst_gaussianblur_transform_frame (GstVideoFilter * vfilter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame);
static void gauss_blur_set_property (GObject * object,
static void gst_gaussianblur_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gauss_blur_get_property (GObject * object,
static void gst_gaussianblur_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
GST_DEBUG_CATEGORY_STATIC (gst_gauss_blur_debug);
@ -112,24 +113,25 @@ enum
PROP_LAST
};
static gboolean make_gaussian_kernel (GaussBlur * gb, float sigma);
static void gaussian_smooth (GaussBlur * gb, guint8 * image,
static gboolean make_gaussian_kernel (GstGaussianBlur * gb, float sigma);
static void gaussian_smooth (GstGaussianBlur * gb, guint8 * image,
guint8 * out_image);
#define gauss_blur_parent_class parent_class
G_DEFINE_TYPE (GaussBlur, gauss_blur, GST_TYPE_VIDEO_FILTER);
#define gst_gaussianblur_parent_class parent_class
G_DEFINE_TYPE (GstGaussianBlur, gst_gaussianblur, GST_TYPE_VIDEO_FILTER);
#define DEFAULT_SIGMA 1.2
/* Initalize the gaussianblur's class. */
static void
gauss_blur_class_init (GaussBlurClass * klass)
gst_gaussianblur_class_init (GstGaussianBlurClass * klass)
{
GObjectClass *object_class = (GObjectClass *) klass;
GObjectClass *gobject_class = (GObjectClass *) klass;
GstElementClass *gstelement_class = (GstElementClass *) klass;
GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass;
gst_element_class_set_details_simple (gstelement_class,
"GaussBlur",
"GstGaussianBlur",
"Filter/Effect/Video",
"Perform Gaussian blur/sharpen on a video",
"Jan Schmidt <thaytan@noraisin.net>");
@ -139,26 +141,26 @@ gauss_blur_class_init (GaussBlurClass * klass)
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_factory));
object_class->set_property = gauss_blur_set_property;
object_class->get_property = gauss_blur_get_property;
object_class->finalize = GST_DEBUG_FUNCPTR (gauss_blur_stop);
gobject_class->set_property = gst_gaussianblur_set_property;
gobject_class->get_property = gst_gaussianblur_get_property;
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_gaussianblur_finalize);
g_object_class_install_property (object_class, PROP_SIGMA,
g_object_class_install_property (gobject_class, PROP_SIGMA,
g_param_spec_double ("sigma", "Sigma",
"Sigma value for gaussian blur (negative for sharpen)",
-20.0, 20.0, DEFAULT_SIGMA,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
vfilter_class->transform_frame =
GST_DEBUG_FUNCPTR (gauss_blur_transform_frame);
vfilter_class->set_info = GST_DEBUG_FUNCPTR (gauss_blur_set_info);
GST_DEBUG_FUNCPTR (gst_gaussianblur_transform_frame);
vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_gaussianblur_set_info);
}
static gboolean
gauss_blur_set_info (GstVideoFilter * filter, GstCaps * incaps,
gst_gaussianblur_set_info (GstVideoFilter * filter, GstCaps * incaps,
GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info)
{
GaussBlur *gb = GAUSS_BLUR (filter);
GstGaussianBlur *gb = GST_GAUSSIANBLUR (filter);
guint32 n_elems;
gb->width = GST_VIDEO_INFO_WIDTH (in_info);
@ -173,16 +175,16 @@ gauss_blur_set_info (GstVideoFilter * filter, GstCaps * incaps,
}
static void
gauss_blur_init (GaussBlur * gb)
gst_gaussianblur_init (GstGaussianBlur * gb)
{
gb->sigma = DEFAULT_SIGMA;
gb->cur_sigma = -1.0;
}
static void
gauss_blur_stop (GObject * object)
gst_gaussianblur_finalize (GObject * object)
{
GaussBlur *gb = GAUSS_BLUR (object);
GstGaussianBlur *gb = GST_GAUSSIANBLUR (object);
g_free (gb->tempim);
gb->tempim = NULL;
@ -199,10 +201,10 @@ gauss_blur_stop (GObject * object)
}
static GstFlowReturn
gauss_blur_transform_frame (GstVideoFilter * vfilter,
gst_gaussianblur_transform_frame (GstVideoFilter * vfilter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame)
{
GaussBlur *filter = GAUSS_BLUR (vfilter);
GstGaussianBlur *filter = GST_GAUSSIANBLUR (vfilter);
GstClockTime timestamp;
gint64 stream_time;
gfloat sigma;
@ -251,7 +253,7 @@ gauss_blur_transform_frame (GstVideoFilter * vfilter,
}
static void
blur_row_x (GaussBlur * gb, guint8 * in_row, gfloat * out_row)
blur_row_x (GstGaussianBlur * gb, guint8 * in_row, gfloat * out_row)
{
int c, cc, center;
float dot[4], sum;
@ -289,7 +291,7 @@ blur_row_x (GaussBlur * gb, guint8 * in_row, gfloat * out_row)
}
static void
gaussian_smooth (GaussBlur * gb, guint8 * image, guint8 * out_image)
gaussian_smooth (GstGaussianBlur * gb, guint8 * image, guint8 * out_image)
{
int r, c, rr, center;
float dot[4], sum;
@ -353,7 +355,7 @@ gaussian_smooth (GaussBlur * gb, guint8 * image, guint8 * out_image)
* Create a one dimensional gaussian kernel.
*/
static gboolean
make_gaussian_kernel (GaussBlur * gb, float sigma)
make_gaussian_kernel (GstGaussianBlur * gb, float sigma)
{
int i, center, left, right;
float sum, sum2;
@ -416,10 +418,10 @@ make_gaussian_kernel (GaussBlur * gb, float sigma)
}
static void
gauss_blur_set_property (GObject * object,
gst_gaussianblur_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GaussBlur *gb = GAUSS_BLUR (object);
GstGaussianBlur *gb = GST_GAUSSIANBLUR (object);
switch (prop_id) {
case PROP_SIGMA:
GST_OBJECT_LOCK (object);
@ -433,10 +435,10 @@ gauss_blur_set_property (GObject * object,
}
static void
gauss_blur_get_property (GObject * object,
gst_gaussianblur_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GaussBlur *gb = GAUSS_BLUR (object);
GstGaussianBlur *gb = GST_GAUSSIANBLUR (object);
switch (prop_id) {
case PROP_SIGMA:
GST_OBJECT_LOCK (gb);
@ -458,5 +460,5 @@ gst_gauss_blur_plugin_init (GstPlugin * plugin)
0, "Gaussian Blur video effect");
return gst_element_register (plugin, "gaussianblur", GST_RANK_NONE,
GST_TYPE_GAUSS_BLUR);
GST_TYPE_GAUSSIANBLUR);
}

16
gst/gaudieffects/gstgaussblur.h
View file

@ -54,14 +54,14 @@
G_BEGIN_DECLS
#define GST_TYPE_GAUSS_BLUR (gauss_blur_get_type())
#define GAUSS_BLUR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GAUSS_BLUR, GaussBlur))
#define GST_TYPE_GAUSSIANBLUR (gst_gaussianblur_get_type())
#define GST_GAUSSIANBLUR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GAUSSIANBLUR, GstGaussianBlur))
typedef struct GaussBlur GaussBlur;
typedef struct GaussBlurClass GaussBlurClass;
typedef struct GstGaussianBlur GstGaussianBlur;
typedef struct GstGaussianBlurClass GstGaussianBlurClass;
struct GaussBlur
struct GstGaussianBlur
{
GstVideoFilter videofilter;
gint width, height, stride;
@ -75,12 +75,12 @@ struct GaussBlur
gint16 *smoothedim;
};
struct GaussBlurClass
struct GstGaussianBlurClass
{
GstVideoFilterClass parent_class;
};
GType gauss_blur_get_type(void);
GType gst_gaussianblur_get_type(void);
G_END_DECLS