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/*
The mediastreamer library aims at providing modular media processing and I/O
for linphone, but also for any telephony application.
Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef MSV4L_H
#define MSV4L_H
#include <msvideosource.h>
#include <sys/types.h>
#include <linux/videodev.h>
struct _MSV4l
{
MSVideoSource parent;
int fd;
char *device;
struct video_capability cap;
struct video_channel channel;
struct video_window win;
struct video_picture pict;
struct video_mmap vmap;
struct video_mbuf vmbuf;
struct video_capture vcap;
gint bsize;
gint use_mmap;
gint frame;
guint query_frame;
gchar *mmapdbuf; /* the mmap'd buffer */
MSBuffer img[VIDEO_MAX_FRAME]; /* the buffer wrappers used for mmaps */
gint width; /* the capture image size - can be cropped to output size */
gint height;
MSBuffer *allocdbuf; /* the buffer allocated for read() and mire */
gint count;
MSBuffer *image_grabbed;
GCond *cond;
GCond *stopcond;
GThread *v4lthread;
gboolean grab_image;
gboolean thread_run;
gboolean thread_exited;
};
typedef struct _MSV4l MSV4l;
struct _MSV4lClass
{
MSVideoSourceClass parent_class;
};
typedef struct _MSV4lClass MSV4lClass;
/* PUBLIC API */
#define MS_V4L(v) ((MSV4l*)(v))
#define MS_V4L_CLASS(k) ((MSV4lClass*)(k))
MSFilter * ms_v4l_new();
void ms_v4l_start(MSV4l *obj);
void ms_v4l_stop(MSV4l *obj);
int ms_v4l_set_device(MSV4l *f, const gchar *device);
gint ms_v4l_get_width(MSV4l *v4l);
gint ms_v4l_get_height(MSV4l *v4l);
void ms_v4l_set_size(MSV4l *v4l, gint w, gint h);
/* PRIVATE API */
void ms_v4l_init(MSV4l *obj);
void ms_v4l_class_init(MSV4lClass *klass);
int v4l_configure(MSV4l *f);
void v4l_process(MSV4l *obj);
void ms_v4l_uninit(MSV4l *obj);
void ms_v4l_destroy(MSV4l *obj);
extern MSFilterInfo v4l_info;
#endif
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