/*
* empathy-gst-video-src.h - Header for EmpathyGstVideoSrc
* Copyright (C) 2008 Collabora Ltd.
* @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
*/
#ifndef __EMPATHY_GST_VIDEO_SRC_H__
#define __EMPATHY_GST_VIDEO_SRC_H__
#include <glib-object.h>
#include <gst/gst.h>
G_BEGIN_DECLS
typedef struct _EmpathyGstVideoSrc EmpathyGstVideoSrc;
typedef struct _EmpathyGstVideoSrcClass EmpathyGstVideoSrcClass;
typedef enum {
EMPATHY_GST_VIDEO_SRC_CHANNEL_CONTRAST = 0,
EMPATHY_GST_VIDEO_SRC_CHANNEL_BRIGHTNESS = 1,
EMPATHY_GST_VIDEO_SRC_CHANNEL_GAMMA = 2,
NR_EMPATHY_GST_VIDEO_SRC_CHANNELS
} EmpathyGstVideoSrcChannel;
#define EMPATHY_GST_VIDEO_SRC_SUPPORTS_CONTRAST \
(1 << EMPATHY_GST_VIDEO_SRC_CHANNEL_CONTRAST)
#define EMPATHY_GST_VIDEO_SRC_SUPPORTS_BRIGHTNESS \
(1 << EMPATHY_GST_VIDEO_SRC_CHANNEL_BRIGHTNESS)
#define EMPATHY_GST_VIDEO_SRC_SUPPORTS_GAMMA \
(1 << EMPATHY_GST_VIDEO_SRC_CHANNEL_GAMMA)
struct _EmpathyGstVideoSrcClass {
GstBinClass parent_class;
};
struct _EmpathyGstVideoSrc {
GstBin parent;
};
GType empathy_video_src_get_type (void);
/* TYPE MACROS */
#define EMPATHY_TYPE_GST_VIDEO_SRC \
(empathy_video_src_get_type ())
#define EMPATHY_GST_VIDEO_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), EMPATHY_TYPE_GST_VIDEO_SRC, \
EmpathyGstVideoSrc))
#define EMPATHY_GST_VIDEO_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), EMPATHY_TYPE_GST_VIDEO_SRC, \
EmpathyGstVideoSrcClass))
#define EMPATHY_IS_GST_VIDEO_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), EMPATHY_TYPE_GST_VIDEO_SRC))
#define EMPATHY_IS_GST_VIDEO_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), EMPATHY_TYPE_GST_VIDEO_SRC))
#define EMPATHY_GST_VIDEO_SRC_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), EMPATHY_TYPE_GST_VIDEO_SRC, \
EmpathyGstVideoSrcClass))
GstElement *empathy_video_src_new (void);
guint
empathy_video_src_get_supported_channels (GstElement *src);
void empathy_video_src_set_channel (GstElement *src,
EmpathyGstVideoSrcChannel channel, guint percent);
guint empathy_video_src_get_channel (GstElement *src,
EmpathyGstVideoSrcChannel channel);
G_END_DECLS
#endif /* #ifndef __EMPATHY_GST_VIDEO_SRC_H__*/
