mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 12:41:05 +00:00
85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
|
/* 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;
|
||
|
|
gint 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__ */
|