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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 XIPHOPHORUS Company http://www.xiph.org/ *
* *
********************************************************************
function: vorbis encode-engine setup
last mod: $Id: vorbisenc.h 7485 2004-08-05 14:54:23Z thomasvs $
********************************************************************/
#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 /* quality level from 0. (lo) to 1. (hi) */
);
extern int vorbis_encode_init_vbr(vorbis_info *vi,
long channels,
long rate,
float base_quality /* quality level from 0. (lo) to 1. (hi) */
);
extern int vorbis_encode_setup_init(vorbis_info *vi);
extern int vorbis_encode_ctl(vorbis_info *vi,int number,void *arg);
/* deprecated rate management supported only for compatability */
#define OV_ECTL_RATEMANAGE_GET 0x10
#define OV_ECTL_RATEMANAGE_SET 0x11
#define OV_ECTL_RATEMANAGE_AVG 0x12
#define OV_ECTL_RATEMANAGE_HARD 0x13
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;
};
/* new rate setup */
#define OV_ECTL_RATEMANAGE2_GET 0x14
#define OV_ECTL_RATEMANAGE2_SET 0x15
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_LOWPASS_GET 0x20
#define OV_ECTL_LOWPASS_SET 0x21
#define OV_ECTL_IBLOCK_GET 0x30
#define OV_ECTL_IBLOCK_SET 0x31
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
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