/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* This project's homepage is: http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef INPUT_STREAM_H
#define INPUT_STREAM_H
#include <stddef.h>
typedef struct input_stream InputStream;
typedef int (*InputStreamSeekFunc) (struct input_stream *inStream, long offset,
int whence);
typedef size_t(*InputStreamReadFunc) (struct input_stream *inStream, void *ptr,
size_t size);
typedef int (*InputStreamCloseFunc) (struct input_stream *inStream);
typedef int (*InputStreamAtEOFFunc) (struct input_stream *inStream);
typedef int (*InputStreamBufferFunc) (struct input_stream *inStream);
struct input_stream {
int ready;
int error;
long offset;
size_t size;
char *mime;
int seekable;
/* don't touc this stuff */
InputStreamSeekFunc seekFunc;
InputStreamReadFunc readFunc;
InputStreamCloseFunc closeFunc;
InputStreamAtEOFFunc atEOFFunc;
InputStreamBufferFunc bufferFunc;
void *data;
char *metaName;
char *metaTitle;
};
void initInputStream(void);
int isUrlSaneForInputStream(char *url);
/* if an error occurs for these 3 functions, then -1 is returned and errno
for the input stream is set */
int openInputStream(struct input_stream *inStream, char *url);
int seekInputStream(struct input_stream *inStream, long offset, int whence);
int closeInputStream(struct input_stream *inStream);
int inputStreamAtEOF(struct input_stream *inStream);
/* return value: -1 is error, 1 inidicates stuff was buffered, 0 means nothing
was buffered */
int bufferInputStream(struct input_stream *inStream);
size_t readFromInputStream(struct input_stream *inStream,
void *ptr, size_t size);
#endif
