76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/* 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 MPD_INPUT_STREAM_H
|
|
#define MPD_INPUT_STREAM_H
|
|
|
|
#include <stddef.h>
|
|
#include <stdbool.h>
|
|
#include <sys/types.h>
|
|
|
|
struct input_stream;
|
|
|
|
struct input_plugin {
|
|
bool (*open)(struct input_stream *is, const char *url);
|
|
void (*close)(struct input_stream *is);
|
|
|
|
int (*buffer)(struct input_stream *is);
|
|
size_t (*read)(struct input_stream *is, void *ptr, size_t size);
|
|
bool (*eof)(struct input_stream *is);
|
|
bool (*seek)(struct input_stream *is, off_t offset, int whence);
|
|
};
|
|
|
|
struct input_stream {
|
|
const struct input_plugin *plugin;
|
|
|
|
bool seekable;
|
|
bool ready;
|
|
|
|
int error;
|
|
off_t size, offset;
|
|
char *mime;
|
|
|
|
void *data;
|
|
char *meta_name;
|
|
char *meta_title;
|
|
};
|
|
|
|
void input_stream_global_init(void);
|
|
|
|
void input_stream_global_finish(void);
|
|
|
|
/* if an error occurs for these 3 functions, then -1 is returned and errno
|
|
for the input stream is set */
|
|
bool
|
|
input_stream_open(struct input_stream *is, const char *url);
|
|
|
|
bool
|
|
input_stream_seek(struct input_stream *is, off_t offset, int whence);
|
|
|
|
void input_stream_close(struct input_stream *is);
|
|
bool input_stream_eof(struct input_stream *is);
|
|
|
|
/* return value: -1 is error, 1 inidicates stuff was buffered, 0 means nothing
|
|
was buffered */
|
|
int input_stream_buffer(struct input_stream *is);
|
|
|
|
size_t
|
|
input_stream_read(struct input_stream *is, void *ptr, size_t size);
|
|
|
|
#endif
|