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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "gstdsp66videokernel.h"
static GstStaticPadTemplate dsp66_video_kernel_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ I420, YV12 }"))
);
static GstStaticPadTemplate dsp66_video_kernel_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ I420, YV12 }"))
);
/* Kernel signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
#define DEFAULT_FILTERSIZE 5
#define DEFAULT_LUM_ONLY TRUE
#define DEFAULT_KERNELTYPE GST_DSP66_VIDEO_KERNELTYPE_MEDIAN
enum
{
PROP_0,
PROP_FILTERSIZE,
PROP_LUM_ONLY,
PROP_KERNELTYPE
};
#define GST_TYPE_VIDEO_KERNEL_SIZE (gst_dsp66_video_kernel_size_get_type())
#define GST_TYPE_VIDEO_KERNELTYPE_SIZE (gst_dsp66_video_kerneltype_size_get_type())
static const GEnumValue dsp66_video_kernel_sizes[] = {
{GST_DSP66_VIDEO_KERNEL_SIZE_5, "Kernel of 5 neighbour pixels", "5"},
{GST_DSP66_VIDEO_KERNEL_SIZE_9, "Kernel of 9 neighbour pixels", "9"},
{0, NULL, NULL},
};
static const GEnumValue dsp66_video_kerneltype_sizes[] = {
{GST_DSP66_VIDEO_KERNELTYPE_MEDIAN, "Kernel median", "0"},
{GST_DSP66_VIDEO_KERNELTYPE_SOBEL, "Kernel sobel", "1"},
{0, NULL, NULL},
};
static GType
gst_dsp66_video_kernel_size_get_type (void)
{
static GType dsp66_video_kernel_size_type = 0;
if (!dsp66_video_kernel_size_type) {
dsp66_video_kernel_size_type = g_enum_register_static ("GstDsp66VideoKernelSize",
dsp66_video_kernel_sizes);
}
return dsp66_video_kernel_size_type;
}
static GType
gst_dsp66_video_kerneltype_size_get_type (void)
{
static GType dsp66_video_kerneltype_size_type = 0;
if (!dsp66_video_kerneltype_size_type) {
dsp66_video_kerneltype_size_type = g_enum_register_static ("GstDsp66VideoKernelTypeSize",
dsp66_video_kerneltype_sizes);
}
return dsp66_video_kerneltype_size_type;
}
#define gst_dsp66_video_kernel_parent_class parent_class
G_DEFINE_TYPE (GstDsp66VideoKernel, gst_dsp66_video_kernel, GST_TYPE_VIDEO_FILTER);
static GstFlowReturn gst_dsp66_video_kernel_transform_frame (GstVideoFilter * filter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame);
static void gst_dsp66_video_kernel_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_dsp66_video_kernel_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void
gst_dsp66_video_kernel_class_init (GstDsp66VideoKernelClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstVideoFilterClass *vfilter_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
vfilter_class = (GstVideoFilterClass *) klass;
gobject_class->set_property = gst_dsp66_video_kernel_set_property;
gobject_class->get_property = gst_dsp66_video_kernel_get_property;
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FILTERSIZE,
g_param_spec_enum ("filtersize", "Filtersize", "The size of the filter (5 or 9)",
GST_TYPE_VIDEO_KERNEL_SIZE, DEFAULT_FILTERSIZE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_KERNELTYPE,
g_param_spec_enum ("kerneltype", "Kerneltype", "Type of kernel (0=median, 1=sobel)",
GST_TYPE_VIDEO_KERNELTYPE_SIZE, DEFAULT_KERNELTYPE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LUM_ONLY,
g_param_spec_boolean ("lum-only", "Lum Only", "Only apply filter on "
"luminance", DEFAULT_LUM_ONLY,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&dsp66_video_kernel_sink_factory));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&dsp66_video_kernel_src_factory));
gst_element_class_set_static_metadata (gstelement_class, "Video kernels (choose: kerneltype, filtersize, lum-only)",
"Video Kernel",
"Apply a kernel via DSP C66 offload to an image",
"based on work by: Wim Taymans <wim.taymans@gmail.com>");
vfilter_class->transform_frame =
GST_DEBUG_FUNCPTR (gst_dsp66_video_kernel_transform_frame);
}
void
gst_dsp66_video_kernel_init (GstDsp66VideoKernel * kernel)
{
kernel->filtersize = DEFAULT_FILTERSIZE;
kernel->kerneltype = DEFAULT_KERNELTYPE;
kernel->lum_only = DEFAULT_LUM_ONLY;
}
extern int oclconv_kernel(int kernel_type, int kernel_size, unsigned char *src, unsigned char *dest, int width, int height, int sstride, int dstride);
static int
imgproc (gint kerneltype, gint filtersize,
guint8 * dest, gint dstride,
const guint8 * src, gint sstride,
gint width, gint height)
{
return oclconv_kernel(kerneltype, filtersize, (unsigned char *)src, (unsigned char *)dest, width, height, sstride, dstride);
}
static GstFlowReturn
gst_dsp66_video_kernel_transform_frame (GstVideoFilter * filter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame)
{
GstDsp66VideoKernel *kernel = GST_DSP66_VIDEO_KERNEL (filter);
if(imgproc (kernel->kerneltype, kernel->filtersize,
GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0),
GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0),
GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0),
GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0),
GST_VIDEO_FRAME_WIDTH (in_frame), GST_VIDEO_FRAME_HEIGHT (in_frame)) < 0)
{
gst_video_frame_copy_plane (out_frame, in_frame, 0);
gst_video_frame_copy_plane (out_frame, in_frame, 1);
gst_video_frame_copy_plane (out_frame, in_frame, 2);
}
if (kernel->lum_only) {
gst_video_frame_copy_plane (out_frame, in_frame, 1);
gst_video_frame_copy_plane (out_frame, in_frame, 2);
} else {
imgproc (kernel->kerneltype, kernel->filtersize,
GST_VIDEO_FRAME_PLANE_DATA (out_frame, 1),
GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 1),
GST_VIDEO_FRAME_PLANE_DATA (in_frame, 1),
GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 1),
GST_VIDEO_FRAME_WIDTH (in_frame) / 2,
GST_VIDEO_FRAME_HEIGHT (in_frame) / 2);
imgproc (kernel->kerneltype, kernel->filtersize,
GST_VIDEO_FRAME_PLANE_DATA (out_frame, 2),
GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 2),
GST_VIDEO_FRAME_PLANE_DATA (in_frame, 2),
GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 2),
GST_VIDEO_FRAME_WIDTH (in_frame) / 2,
GST_VIDEO_FRAME_HEIGHT (in_frame) / 2);
}
return GST_FLOW_OK;
}
static void
gst_dsp66_video_kernel_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstDsp66VideoKernel *kernel;
kernel = GST_DSP66_VIDEO_KERNEL (object);
switch (prop_id) {
case PROP_FILTERSIZE:
kernel->filtersize = g_value_get_enum (value);
break;
case PROP_LUM_ONLY:
kernel->lum_only = g_value_get_boolean (value);
break;
case PROP_KERNELTYPE:
kernel->kerneltype = g_value_get_enum (value);
break;
default:
break;
}
}
static void
gst_dsp66_video_kernel_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstDsp66VideoKernel *kernel;
kernel = GST_DSP66_VIDEO_KERNEL (object);
switch (prop_id) {
case PROP_FILTERSIZE:
g_value_set_enum (value, kernel->filtersize);
break;
case PROP_LUM_ONLY:
g_value_set_boolean (value, kernel->lum_only);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/** nothing past this point **/
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