1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libs/vorbis/bitrate.h	Sun Nov 01 00:36:56 2015 +0200
     1.3 @@ -0,0 +1,59 @@
     1.4 +/********************************************************************
     1.5 + *                                                                  *
     1.6 + * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
     1.7 + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
     1.8 + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
     1.9 + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
    1.10 + *                                                                  *
    1.11 + * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007             *
    1.12 + * by the Xiph.Org Foundation http://www.xiph.org/                  *
    1.13 + *                                                                  *
    1.14 + ********************************************************************
    1.15 +
    1.16 + function: bitrate tracking and management
    1.17 + last mod: $Id: bitrate.h 13293 2007-07-24 00:09:47Z xiphmont $
    1.18 +
    1.19 + ********************************************************************/
    1.20 +
    1.21 +#ifndef _V_BITRATE_H_
    1.22 +#define _V_BITRATE_H_
    1.23 +
    1.24 +#include "vorbis/codec.h"
    1.25 +#include "codec_internal.h"
    1.26 +#include "os.h"
    1.27 +
    1.28 +/* encode side bitrate tracking */
    1.29 +typedef struct bitrate_manager_state {
    1.30 +  int            managed;
    1.31 +
    1.32 +  long           avg_reservoir;
    1.33 +  long           minmax_reservoir;
    1.34 +  long           avg_bitsper;
    1.35 +  long           min_bitsper;
    1.36 +  long           max_bitsper;
    1.37 +
    1.38 +  long           short_per_long;
    1.39 +  double         avgfloat;
    1.40 +
    1.41 +  vorbis_block  *vb;
    1.42 +  int            choice;
    1.43 +} bitrate_manager_state;
    1.44 +
    1.45 +typedef struct bitrate_manager_info{
    1.46 +  long           avg_rate;
    1.47 +  long           min_rate;
    1.48 +  long           max_rate;
    1.49 +  long           reservoir_bits;
    1.50 +  double         reservoir_bias;
    1.51 +
    1.52 +  double         slew_damp;
    1.53 +
    1.54 +} bitrate_manager_info;
    1.55 +
    1.56 +extern void vorbis_bitrate_init(vorbis_info *vi,bitrate_manager_state *bs);
    1.57 +extern void vorbis_bitrate_clear(bitrate_manager_state *bs);
    1.58 +extern int vorbis_bitrate_managed(vorbis_block *vb);
    1.59 +extern int vorbis_bitrate_addblock(vorbis_block *vb);
    1.60 +extern int vorbis_bitrate_flushpacket(vorbis_dsp_state *vd, ogg_packet *op);
    1.61 +
    1.62 +#endif