vcedit.h

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/* This program is licensed under the GNU Library General Public License, version 2,
 * a copy of which is included with this program (with filename LICENSE.LGPL).
 *
 * (c) 2000-2001 Michael Smith <msmith@xiph.org>
 *
 * VCEdit header.
 *
 * last modified: $ID:$
 */

#ifndef __VCEDIT_H
#define __VCEDIT_H

#ifdef __cplusplus
extern "C" {
#endif 

#include <stdio.h>
#include <ogg/ogg.h>
#include <vorbis/codec.h>

typedef size_t (*vcedit_read_func)(void *, size_t, size_t, void *);
typedef size_t (*vcedit_write_func)(const void *, size_t, size_t, void *);

typedef struct {
        ogg_sync_state          *oy;
        ogg_stream_state        *os;

        vorbis_comment          *vc;
        vorbis_info         *vi;

        vcedit_read_func read;
        vcedit_write_func write;

        void            *in;
        long            serial;
        unsigned char   *mainbuf;
        unsigned char   *bookbuf;
        int             mainlen;
        int             booklen;
        char        *lasterror;
        char   *vendor;
        int prevW;
        int extrapage;
        int eosin;
} vcedit_state;

extern vcedit_state *   vcedit_new_state(void);
extern void             vcedit_clear(vcedit_state *state);
extern vorbis_comment * vcedit_comments(vcedit_state *state);
extern int              vcedit_open(vcedit_state *state, FILE *in);
extern int              vcedit_open_callbacks(vcedit_state *state, void *in,
                vcedit_read_func read_func, vcedit_write_func write_func);
extern int              vcedit_write(vcedit_state *state, void *out);
extern char *   vcedit_error(vcedit_state *state);

#ifdef __cplusplus
}
#endif 

#endif /* __VCEDIT_H */

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