static guchar *
load_image (const gchar *name, guint width, guint height)
{
guchar *grayscale_buffer;
guint16 *depth;
gchar *contents;
gsize len;
GError *error = NULL;
gsize count = width * height * sizeof (guint16);
depth = read_file_to_buffer (name, count, error);
if (error != NULL)
{
g_debug ("Error Opening: %s", error->message);
return NULL;
}
if (depth == NULL)
{
return NULL;
}
grayscale_buffer = create_grayscale_buffer (depth, width, height);
g_slice_free1 (width * height * sizeof (guint16), depth);
return grayscale_buffer;
}
static void
on_depth_frame (GFreenectDevice *kinect, gpointer user_data)
{
gint width, height;
gint dimension_factor;
guchar *grayscale_buffer;
guint16 *depth;
BufferInfo *buffer_info;
gsize len;
GError *error = NULL;
GFreenectFrameMode frame_mode;
depth = (guint16 *) gfreenect_device_get_depth_frame_raw (kinect,
&len,
&frame_mode);
width = frame_mode.width;
height = frame_mode.height;
g_object_get (skeleton, "dimension-reduction", &dimension_factor, NULL);
buffer_info = process_buffer (depth,
width,
height,
dimension_factor,
THRESHOLD_BEGIN,
THRESHOLD_END);
skeltrack_skeleton_track_joints (skeleton,
buffer_info->reduced_buffer,
buffer_info->reduced_width,
buffer_info->reduced_height,
NULL,
on_track_joints,
buffer_info);
if (!SHOW_SKELETON)
{
grayscale_buffer = create_grayscale_buffer (buffer_info,
dimension_factor);
if (! clutter_texture_set_from_rgb_data (CLUTTER_TEXTURE (depth_tex),
grayscale_buffer,
FALSE,
width, height,
0,
3,
CLUTTER_TEXTURE_NONE,
&error))
{
g_debug ("Error setting texture area: %s", error->message);
g_error_free (error);
}
g_slice_free1 (width * height * sizeof (guchar) * 3, grayscale_buffer);
}
}
static void
on_depth_frame (GFreenectDevice *kinect, gpointer user_data)
{
gint width, height;
guchar *grayscale_buffer;
guint16 *depth;
gchar *contents;
BufferInfo *buffer_info;
gsize len;
GError *error = NULL;
GFreenectFrameMode frame_mode;
depth = (guint16 *) gfreenect_device_get_depth_frame_raw (kinect,
&len,
&frame_mode);
if (error != NULL)
{
g_debug ("ERROR Opening: %s", error->message);
}
width = frame_mode.width;
height = frame_mode.height;
buffer_info = process_buffer (depth,
width,
height,
1,
THRESHOLD_BEGIN,
THRESHOLD_END);
grayscale_buffer = create_grayscale_buffer (buffer_info,
1);
if (record_shot)
{
g_debug ("Taking shot...");
GError *error = NULL;
gchar *name = g_strdup_printf ("./depth-data-%d", g_get_real_time ());
g_file_set_contents (name, (gchar *) buffer_info->reduced_buffer,
width * height * sizeof (guint16), &error);
if (error != NULL)
{
g_debug ("ERROR: %s", error->message);
}
else
{
g_print ("Created file: %s\n", name);
}
record_shot = FALSE;
}
if (! clutter_texture_set_from_rgb_data (CLUTTER_TEXTURE (depth_tex),
grayscale_buffer,
FALSE,
width, height,
0,
3,
CLUTTER_TEXTURE_NONE,
&error))
{
g_debug ("Error setting texture area: %s", error->message);
g_error_free (error);
}
g_slice_free1 (width * height * sizeof (guchar) * 3, grayscale_buffer);
}
static void
on_depth_frame (GFreenectDevice *kinect, gpointer user_data)
{
gboolean smoothing_enabled;
gint width, height;
gint dimension_factor;
guchar *grayscale_buffer;
guint16 *depth;
BufferInfo *buffer_info;
gsize len;
GError *error = NULL;
GFreenectFrameMode frame_mode;
ClutterContent *content;
depth = (guint16 *) gfreenect_device_get_depth_frame_raw (kinect,
&len,
&frame_mode);
width = frame_mode.width;
height = frame_mode.height;
g_object_get (skeleton, "dimension-reduction", &dimension_factor, NULL);
buffer_info = process_buffer (depth,
width,
height,
dimension_factor,
THRESHOLD_BEGIN,
THRESHOLD_END);
skeltrack_skeleton_track_joints (skeleton,
buffer_info->reduced_buffer,
buffer_info->reduced_width,
buffer_info->reduced_height,
NULL,
on_track_joints,
buffer_info);
content = clutter_actor_get_content (depth_tex);
if (!SHOW_SKELETON)
{
grayscale_buffer = create_grayscale_buffer (buffer_info,
dimension_factor);
if (depth_image == NULL)
depth_image = clutter_image_new ();
/* ref because we don't want it to be freed */
if (depth_canvas == content)
g_object_ref (depth_canvas);
clutter_actor_set_content (depth_tex, depth_image);
if (! clutter_image_set_data (CLUTTER_IMAGE (depth_image),
grayscale_buffer,
COGL_PIXEL_FORMAT_RGB_888,
width, height,
0,
&error))
{
g_debug ("Error setting texture area: %s", error->message);
g_error_free (error);
}
g_slice_free1 (width * height * sizeof (guchar) * 3, grayscale_buffer);
}
else {
/* ref because we don't want it to be freed */
if (depth_image && depth_image == content)
g_object_ref (depth_image);
clutter_actor_set_content (depth_tex, depth_canvas);
}
}
