diff options
author | Mark Purcell <msp@debian.org> | 2008-06-22 11:00:40 +1000 |
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committer | etobi <git@e-tobi.net> | 2013-09-03 09:48:42 +0200 |
commit | 891c51ff368ed700dec6025eeb47ce4d96f76418 (patch) | |
tree | 3729664829e4faa691d403274f38eb10890b533c /lib/libdvbapi/dvbaudio.c | |
parent | 1c6e1f28f54ec2606c23936c1d8689f2be55a86c (diff) | |
parent | ab959d7b4194715870128e616b8e29d4a101e488 (diff) | |
download | linux-dvb-apps-a966623153d5c69ef156542.tar.gz |
Imported Debian patch 1.1.1+rev1207-1debian/1.1.1+rev1207-1
Diffstat (limited to 'lib/libdvbapi/dvbaudio.c')
-rw-r--r-- | lib/libdvbapi/dvbaudio.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/lib/libdvbapi/dvbaudio.c b/lib/libdvbapi/dvbaudio.c new file mode 100644 index 0000000..72b4d70 --- /dev/null +++ b/lib/libdvbapi/dvbaudio.c @@ -0,0 +1,50 @@ +/* + * 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); +} |