1 files changed, 73 insertions, 0 deletions
diff --git a/zbar/video/v4l.c b/zbar/video/v4l.c
new file mode 100644
index 0000000..2039c72
--- /dev/null
+++ b/zbar/video/v4l.c
@@ -0,0 +1,73 @@
+/*------------------------------------------------------------------------
+ *  Copyright 2007-2011 (c) Jeff Brown <spadix@users.sourceforge.net>
+ *
+ *  This file is part of the ZBar Bar Code Reader.
+ *
+ *  The ZBar Bar Code Reader is free software; you can redistribute it
+ *  and/or modify it under the terms of the GNU Lesser Public License as
+ *  published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  The ZBar Bar Code Reader 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 Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser Public License
+ *  along with the ZBar Bar Code Reader; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ *  Boston, MA  02110-1301  USA
+ *
+ *  http://sourceforge.net/projects/zbar
+ *------------------------------------------------------------------------*/
+
+#include "config.h"
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_LIBV4L2_H
+#include <fcntl.h>
+#include <libv4l2.h>
+#else
+#define v4l2_open  open
+#define v4l2_close close
+#endif
+
+#include "video.h"
+
+extern int _zbar_v4l1_probe(zbar_video_t *);
+extern int _zbar_v4l2_probe(zbar_video_t *);
+
+int _zbar_video_open(zbar_video_t *vdo, const char *dev)
+{
+    vdo->fd = v4l2_open(dev, O_RDWR);
+    if (vdo->fd < 0)
+	return (err_capture_str(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
+				"opening video device '%s'", dev));
+    zprintf(1, "opened camera device %s (fd=%d)\n", dev, vdo->fd);
+
+    int rc = -1;
+#ifdef HAVE_LINUX_VIDEODEV2_H
+    if (vdo->intf != VIDEO_V4L1)
+	rc = _zbar_v4l2_probe(vdo);
+#endif
+#ifdef HAVE_LINUX_VIDEODEV_H
+    if (rc && vdo->intf != VIDEO_V4L2)
+	rc = _zbar_v4l1_probe(vdo);
+#endif
+
+    if (rc && vdo->fd >= 0) {
+	v4l2_close(vdo->fd);
+	vdo->fd = -1;
+    }
+    return (rc);
+}