gstreamer/sys/v4l/gstv4lelement.h

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/* G-Streamer generic V4L element - generic V4L calls handling
* Copyright (C) 2001 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_V4LELEMENT_H__
#define __GST_V4LELEMENT_H__
#include <config.h>
#include <gst/gst.h>
#include <sys/types.h>
#include <linux/videodev.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GST_TYPE_V4LELEMENT \
(gst_v4lelement_get_type())
#define GST_V4LELEMENT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_V4LELEMENT,GstV4lElement))
#define GST_V4LELEMENT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_V4LELEMENT,GstV4lElementClass))
#define GST_IS_V4LELEMENT(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_V4LELEMENT))
#define GST_IS_V4LELEMENT_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_V4LELEMENT))
typedef struct _GstV4lElement GstV4lElement;
typedef struct _GstV4lElementClass GstV4lElementClass;
struct _GstV4lElement {
GstElement element;
/* the video device */
char *videodev;
/* the video-device's file descriptor */
gint video_fd;
/* the video buffer (mmap()'ed) */
guint8 *buffer;
/* the video-device's capabilities */
struct video_capability vcap;
/* caching values */
gint channel;
gint norm;
gulong frequency;
gboolean mute;
gint volume;
gint mode;
gint brightness;
gint hue;
gint contrast;
gint saturation;
};
struct _GstV4lElementClass {
GstElementClass parent_class;
};
GType gst_v4lelement_get_type(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_V4LELEMENT_H__ */