lib/bladeenc/codec.h

   1 /*
   2                         (c) Copyright 1998-2000 - Tord Jansson
   3                         ======================================
   4
   5                 This file is part of the BladeEnc MP3 Encoder, based on
   6                 ISO's reference code for MPEG Layer 3 compression.
   7
   8                 This file doesn't contain any of the ISO reference code and
   9                 is copyright Tord Jansson (tord.jansson@swipnet.se).
  10
  11         BladeEnc is free software; you can redistribute this file
  12         and/or modify it under the terms of the GNU Lesser General Public
  13         License as published by the Free Software Foundation; either
  14         version 2.1 of the License, or (at your option) any later version.
  15
  16
  17
  18         ------------    CHANGES    ------------
  19
  20         2000-12-10  Andre Piotrowski
  21
  22         -       reformatted
  23 */
  24
  25 #ifndef         __CODEC__
  26 #define         __CODEC__
  27
  28
  29
  30
  31
  32 typedef         struct
  33                         {
  34                                 int                                             frequency;   /* 48000, 44100 and 32000 allowed. */
  35                                 int                                             mode;        /* 0 = Stereo, 2 = Dual Channel, 3 = Mono */
  36                                 int                                             bitrate;
  37                                 int                                             emphasis;    /* 0 = None, 1 = 50/15 microsec, 3 = CCITT J.17 */
  38                                 int                                             fPrivate;
  39                                 int                                             fCRC;
  40                                 int                                             fCopyright;
  41                                 int                                             fOriginal;
  42                         }                                               CodecInitIn;
  43
  44
  45 typedef         struct
  46                         {
  47                                 int                                             nSamples;
  48                                 int                                             bufferSize;
  49                         }                                               CodecInitOut;
  50
  51
  52
  53 extern  CodecInitOut    *codecInit (CodecInitIn *psInitData);
  54
  55 extern  unsigned int    codecEncodeChunk (int nSamples, short *pSamples, char *pOutput);
  56
  57 extern  unsigned int    codecExit (char *pOutput);
  58
  59 extern  unsigned int    codecFlush (char *pOutput);
  60
  61
  62
  63
  64
  65 #endif          /* __CODEC__ */