| /* |
| 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 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 |