herrie: audio_file.h Source File

00001 /*
00002  * Copyright (c) 2006-2009 Ed Schouten <ed@80386.nl>
00003  * All rights reserved.
00004  * 
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 
00014  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
00015  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00016  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00017  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
00018  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00019  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00020  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00021  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00022  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00023  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00024  * SUCH DAMAGE.
00025  */
00031 struct audio_format;
00032 struct vfsref;
00033 
00037 struct audio_file {
00041         FILE *fp;
00042 
00047         struct audio_format *drv;
00051         void *drv_data;
00052 
00056         unsigned int srate;
00057 
00061         unsigned int channels;
00062 
00066         unsigned int time_len;
00070         unsigned int time_cur;
00074         int stream;
00075 
00079         char *artist;
00083         char *title;
00084 
00085 #ifdef BUILD_SCROBBLER
00086 
00089         char *album;
00094         char _scrobbler_done;
00095 #endif /* BUILD_SCROBBLER */
00096 };
00097 
00102 struct audio_file *audio_file_open(const struct vfsref *vr);
00106 void audio_file_close(struct audio_file *fd);
00107 
00111 size_t audio_file_read(struct audio_file *fd, int16_t *buf, size_t len);
00112 
00116 void audio_file_seek(struct audio_file *fd, int len, int rel);