interpretor/libsndfile-1.0.25/src/ogg.h

   1 /*
   2 ** Copyright (C) 2008-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
   3 **
   4 ** This program is free software ; you can redistribute it and/or modify
   5 ** it under the terms of the GNU Lesser General Public License as published by
   6 ** the Free Software Foundation ; either version 2.1 of the License, or
   7 ** (at your option) any later version.
   8 **
   9 ** This program is distributed in the hope that it will be useful,
  10 ** but WITHOUT ANY WARRANTY ; without even the implied warranty of
  11 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 ** GNU Lesser General Public License for more details.
  13 **
  14 ** You should have received a copy of the GNU Lesser General Public License
  15 ** along with this program ; if not, write to the Free Software
  16 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17 */
  18
  19 #ifndef SF_SRC_OGG_H
  20
  21 enum
  22 {       OGG_ANNODEX = 300,
  23         OGG_ANXDATA,
  24         OGG_FLAC,
  25         OGG_FLAC0,
  26         OGG_PCM,
  27         OGG_SPEEX,
  28         OGG_VORBIS,
  29 } ;
  30
  31 typedef struct
  32 {       /* Sync and verify incoming physical bitstream */
  33         ogg_sync_state osync ;
  34         /* Take physical pages, weld into a logical stream of packets */
  35         ogg_stream_state ostream ;
  36         /* One Ogg bitstream page.  Vorbis packets are inside */
  37         ogg_page opage ;
  38         /* One raw packet of data for decode */
  39         ogg_packet opacket ;
  40         int eos ;
  41         int codec ;
  42 } OGG_PRIVATE ;
  43
  44
  45 #define readint(buf, base) (((buf [base + 3] << 24) & 0xff000000) | \
  46                                                                 ((buf [base + 2] <<16) & 0xff0000) | \
  47                                                                 ((buf [base + 1] << 8) & 0xff00) | \
  48                                                                 (buf [base] & 0xff))
  49
  50
  51
  52 #endif /* SF_SRC_OGG_H */