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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 MSVIDEOSOURCE_H
#define MSVIDEOSOURCE_H
#include "msfilter.h"
/* this is the video input abstract class */
#define MSVIDEOSOURCE_MAX_OUTPUTS 1 /* max output per filter*/
typedef struct _MSVideoSource
{
/* the MSVideoSource derivates from MSFilter, so the MSFilter object MUST be the first of the MSVideoSource object
in order to the object mechanism to work*/
MSFilter filter;
MSQueue *outputs[MSVIDEOSOURCE_MAX_OUTPUTS];
gchar *dev_name;
gint width, height;
gchar *format;
gint frame_rate;
gint frame_rate_base;
} MSVideoSource;
typedef struct _MSVideoSourceClass
{
/* the MSVideoSource derivates from MSFilter, so the MSFilter class MUST be the first of the MSVideoSource class
in order to the class mechanism to work*/
MSFilterClass parent_class;
gint (*set_device)(MSVideoSource *s, const gchar *name);
void (*start)(MSVideoSource *s);
void (*stop)(MSVideoSource *s);
void (*set_size)(MSVideoSource *s, gint width, gint height);
void (*set_frame_rate)(MSVideoSource *s, gint frame_rate, gint frame_rate_base);
} MSVideoSourceClass;
/* PUBLIC */
void ms_video_source_register_all();
int ms_video_source_set_device(MSVideoSource *f, const gchar *device);
gchar* ms_video_source_get_device_name(MSVideoSource *f);
void ms_video_source_start(MSVideoSource *f);
void ms_video_source_stop(MSVideoSource *f);
void ms_video_source_set_size(MSVideoSource *f, gint width, gint height);
void ms_video_source_set_frame_rate(MSVideoSource *f, gint frame_rate, gint frame_rate_base);
gchar* ms_video_source_get_format(MSVideoSource *f);
#define MS_VIDEO_SOURCE(obj) ((MSVideoSource*)(obj))
#define MS_VIDEO_SOURCE_CLASS(klass) ((MSVideoSourceClass*)(klass))
/* FOR INTERNAL USE*/
void ms_video_source_init(MSVideoSource *f);
void ms_video_source_class_init(MSVideoSourceClass *klass);
#endif
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