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-rw-r--r--lib/libdvbapi/dvbaudio.c50
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diff --git a/lib/libdvbapi/dvbaudio.c b/lib/libdvbapi/dvbaudio.c
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+++ b/lib/libdvbapi/dvbaudio.c
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+/*
+ * libdvbnet - a DVB network support library
+ *
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * 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
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/param.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <linux/dvb/audio.h>
+#include <errno.h>
+#include "dvbaudio.h"
+
+int dvbaudio_open(int adapter, int audiodeviceid)
+{
+ char filename[PATH_MAX+1];
+ int fd;
+
+ sprintf(filename, "/dev/dvb/adapter%i/audio%i", adapter, audiodeviceid);
+ if ((fd = open(filename, O_RDWR)) < 0) {
+ // if that failed, try a flat /dev structure
+ sprintf(filename, "/dev/dvb%i.audio%i", adapter, audiodeviceid);
+ fd = open(filename, O_RDWR);
+ }
+
+ return fd;
+}
+
+int dvbaudio_set_bypass(int fd, int bypass)
+{
+ return ioctl(fd, AUDIO_SET_BYPASS_MODE, bypass);
+}