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97 lines
2.5 KiB
97 lines
2.5 KiB
/*
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The mediastreamer library aims at providing modular media processing and I/O
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for linphone, but also for any telephony application.
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Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA
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*/
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#ifndef MSV4L_H
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#define MSV4L_H
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#include <msvideosource.h>
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#include <sys/types.h>
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#include <linux/videodev.h>
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struct _MSV4l
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{
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MSVideoSource parent;
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int fd;
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char *device;
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struct video_capability cap;
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struct video_channel channel;
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struct video_window win;
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struct video_picture pict;
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struct video_mmap vmap;
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struct video_mbuf vmbuf;
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struct video_capture vcap;
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gint bsize;
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gint use_mmap;
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gint frame;
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guint query_frame;
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gchar *mmapdbuf; /* the mmap'd buffer */
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MSBuffer img[VIDEO_MAX_FRAME]; /* the buffer wrappers used for mmaps */
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gint width; /* the capture image size - can be cropped to output size */
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gint height;
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MSBuffer *allocdbuf; /* the buffer allocated for read() and mire */
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gint count;
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MSBuffer *image_grabbed;
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GCond *cond;
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GCond *stopcond;
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GThread *v4lthread;
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gboolean grab_image;
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gboolean thread_run;
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gboolean thread_exited;
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};
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typedef struct _MSV4l MSV4l;
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struct _MSV4lClass
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{
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MSVideoSourceClass parent_class;
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};
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typedef struct _MSV4lClass MSV4lClass;
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/* PUBLIC API */
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#define MS_V4L(v) ((MSV4l*)(v))
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#define MS_V4L_CLASS(k) ((MSV4lClass*)(k))
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MSFilter * ms_v4l_new();
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void ms_v4l_start(MSV4l *obj);
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void ms_v4l_stop(MSV4l *obj);
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int ms_v4l_set_device(MSV4l *f, const gchar *device);
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gint ms_v4l_get_width(MSV4l *v4l);
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gint ms_v4l_get_height(MSV4l *v4l);
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void ms_v4l_set_size(MSV4l *v4l, gint w, gint h);
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/* PRIVATE API */
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void ms_v4l_init(MSV4l *obj);
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void ms_v4l_class_init(MSV4lClass *klass);
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int v4l_configure(MSV4l *f);
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void v4l_process(MSV4l *obj);
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void ms_v4l_uninit(MSV4l *obj);
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void ms_v4l_destroy(MSV4l *obj);
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extern MSFilterInfo v4l_info;
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#endif
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