vorbis-tools/vorbiscomment/vcedit.h

   1 /* This program is licensed under the GNU Library General Public License, version 2,
   2  * a copy of which is included with this program (with filename LICENSE.LGPL).
   3  *
   4  * (c) 2000-2001 Michael Smith <msmith@xiph.org>
   5  *
   6  * VCEdit header.
   7  *
   8  * last modified: $ID:$
   9  */
  10
  11 #ifndef __VCEDIT_H
  12 #define __VCEDIT_H
  13
  14 #ifdef __cplusplus
  15 extern "C" {
  16 #endif
  17
  18 #include <stdio.h>
  19 #include <ogg/ogg.h>
  20 #include <vorbis/codec.h>
  21
  22 typedef size_t (*vcedit_read_func)(void *, size_t, size_t, void *);
  23 typedef size_t (*vcedit_write_func)(const void *, size_t, size_t, void *);
  24
  25 typedef struct {
  26         long *streams;
  27         size_t streams_len;
  28 } vcedit_serial_nos;
  29
  30 typedef struct {
  31         ogg_sync_state          *oy;
  32         ogg_stream_state        *os;
  33
  34         vorbis_comment          *vc;
  35         vorbis_info         *vi;
  36
  37         vcedit_read_func read;
  38         vcedit_write_func write;
  39
  40         void              *in;
  41         int serial;
  42         vcedit_serial_nos serials;
  43         unsigned char     *mainbuf;
  44         unsigned char     *bookbuf;
  45         int               mainlen;
  46         int               booklen;
  47         char   *lasterror;
  48         char   *vendor;
  49         int prevW;
  50         int extrapage;
  51         int eosin;
  52         struct vcedit_buffer_chain *sidebuf;
  53 } vcedit_state;
  54
  55 extern vcedit_state *   vcedit_new_state(void);
  56 extern void             vcedit_clear(vcedit_state *state);
  57 extern vorbis_comment * vcedit_comments(vcedit_state *state);
  58 extern int              vcedit_open(vcedit_state *state, FILE *in);
  59 extern int              vcedit_open_callbacks(vcedit_state *state, void *in,
  60                 vcedit_read_func read_func, vcedit_write_func write_func);
  61 extern int              vcedit_write(vcedit_state *state, void *out);
  62 extern char *   vcedit_error(vcedit_state *state);
  63
  64 #ifdef __cplusplus
  65 }
  66 #endif
  67
  68 #endif /* __VCEDIT_H */
  69