vorbisenc.h

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/********************************************************************
 *                                                                  *
 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
 *                                                                  *
 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001             *
 * by the Xiph.Org Foundation https://xiph.org/                     *
 *                                                                  *
 ********************************************************************
 
 function: vorbis encode-engine setup
 
 ********************************************************************/

 
#ifndef _OV_ENC_H_
#define _OV_ENC_H_
 
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
 
#include "codec.h"

extern int vorbis_encode_init(vorbis_info *vi,
                              long channels,
                              long rate,
 
                              long max_bitrate,
                              long nominal_bitrate,
                              long min_bitrate);

extern int vorbis_encode_setup_managed(vorbis_info *vi,
                                       long channels,
                                       long rate,
 
                                       long max_bitrate,
                                       long nominal_bitrate,
                                       long min_bitrate);

extern int vorbis_encode_setup_vbr(vorbis_info *vi,
                                  long channels,
                                  long rate,
 
                                  float quality
                                  );

extern int vorbis_encode_init_vbr(vorbis_info *vi,
                                  long channels,
                                  long rate,
 
                                  float base_quality
                                  );

extern int vorbis_encode_setup_init(vorbis_info *vi);

extern int vorbis_encode_ctl(vorbis_info *vi,int number,void *arg);

struct ovectl_ratemanage_arg {
  int    management_active; 
  long   bitrate_hard_min;
  long   bitrate_hard_max;
  double bitrate_hard_window;
  long   bitrate_av_lo;
  long   bitrate_av_hi;
  double bitrate_av_window;
  double bitrate_av_window_center;
};

struct ovectl_ratemanage2_arg {
  int    management_active; 
  long   bitrate_limit_min_kbps;
  long   bitrate_limit_max_kbps;
  long   bitrate_limit_reservoir_bits; 
  double bitrate_limit_reservoir_bias;
  long   bitrate_average_kbps;
  double bitrate_average_damping;
};
 


#define OV_ECTL_RATEMANAGE2_GET      0x14

#define OV_ECTL_RATEMANAGE2_SET      0x15

#define OV_ECTL_LOWPASS_GET          0x20

#define OV_ECTL_LOWPASS_SET          0x21

#define OV_ECTL_IBLOCK_GET           0x30

#define OV_ECTL_IBLOCK_SET           0x31

#define OV_ECTL_COUPLING_GET         0x40

#define OV_ECTL_COUPLING_SET         0x41
 
  /* deprecated rate management supported only for compatibility */

#define OV_ECTL_RATEMANAGE_GET       0x10
#define OV_ECTL_RATEMANAGE_SET       0x11
#define OV_ECTL_RATEMANAGE_AVG       0x12
#define OV_ECTL_RATEMANAGE_HARD      0x13

 
 
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif