winamp/Src/external_dependencies/libdiscid-0.6.2/src/unix.h

104 lines
3.2 KiB
C

/* --------------------------------------------------------------------------
MusicBrainz -- The Internet music metadatabase
Copyright (C) 2013 Johannes Dewender
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 "discid/discid_private.h"
/*
* required functions
* ------------------
*/
/*
* Read the TOC header from disc
*
* THIS FUNCTION HAS TO BE IMPLEMENTED FOR THE PLATFORM
*/
LIBDISCID_INTERNAL int mb_disc_unix_read_toc_header(int fd, mb_disc_toc *toc);
/*
* Read a TOC entry for a certain track from disc
*
* THIS FUNCTION HAS TO BE IMPLEMENTED FOR THE PLATFORM
*/
LIBDISCID_INTERNAL int mb_disc_unix_read_toc_entry(int fd, int track_num,
mb_disc_toc_track *track);
/*
* Read the MCN from the disc
*
* THIS FUNCTION HAS TO BE IMPLEMENTED FOR THE PLATFORM
*/
LIBDISCID_INTERNAL void mb_disc_unix_read_mcn(int fd, mb_disc_private *disc);
/*
* Read the ISRC for a certain track from disc
*
* THIS FUNCTION HAS TO BE IMPLEMENTED FOR THE PLATFORM
*/
LIBDISCID_INTERNAL void mb_disc_unix_read_isrc(int fd, mb_disc_private *disc,
int track_num);
/*
* provided functions
* ------------------
*/
/*
* This function is implemented in unix.c and can be used
* for most platforms to implement mb_disc_read_unportable
* after the above functions are implemented on the platform.
* Returns 1 on success and 0 on failure.
*/
LIBDISCID_INTERNAL int mb_disc_unix_read(mb_disc_private *disc,
const char *device, unsigned int features);
/*
* This function is implemented in unix.c and can be used
* after the above functions are implemented on the platform.
* This uses mb_disc_unix_read_toc_* and adds some error checking.
* Returns 1 on success and 0 on failure.
*/
LIBDISCID_INTERNAL int mb_disc_unix_read_toc(int fd, mb_disc_private *disc,
mb_disc_toc *toc);
/*
* utility function to find an existing device from a candidate list
*/
LIBDISCID_INTERNAL int mb_disc_unix_exists(const char *device);
/*
* utility function to find an existing device from a candidate list
*/
LIBDISCID_INTERNAL char *mb_disc_unix_find_device(char *candidates[],
int num_candidates);
/*
* utility function to try opening the device with open()
* returns a non-negative file descriptor on success.
* On failure a negative integer is returned and error_msg filled
* with an appropriate string.
*/
LIBDISCID_INTERNAL int mb_disc_unix_open(mb_disc_private *disc,
const char *device);