| /* |
| 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 |