1 /********************************************************************
3 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
5 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
6 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
8 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
9 * by the XIPHOPHORUS Company http://www.xiph.org/ *
11 ********************************************************************
13 function: vorbis encode-engine setup
14 last mod: $Id: vorbisenc.h 7485 2004-08-05 14:54:23Z thomasvs $
16 ********************************************************************/
24 #endif /* __cplusplus */
28 extern int vorbis_encode_init(vorbis_info
*vi
,
36 extern int vorbis_encode_setup_managed(vorbis_info
*vi
,
44 extern int vorbis_encode_setup_vbr(vorbis_info
*vi
,
48 float quality
/* quality level from 0. (lo) to 1. (hi) */
51 extern int vorbis_encode_init_vbr(vorbis_info
*vi
,
55 float base_quality
/* quality level from 0. (lo) to 1. (hi) */
58 extern int vorbis_encode_setup_init(vorbis_info
*vi
);
60 extern int vorbis_encode_ctl(vorbis_info
*vi
,int number
,void *arg
);
62 /* deprecated rate management supported only for compatability */
63 #define OV_ECTL_RATEMANAGE_GET 0x10
64 #define OV_ECTL_RATEMANAGE_SET 0x11
65 #define OV_ECTL_RATEMANAGE_AVG 0x12
66 #define OV_ECTL_RATEMANAGE_HARD 0x13
68 struct ovectl_ratemanage_arg
{
69 int management_active
;
71 long bitrate_hard_min
;
72 long bitrate_hard_max
;
73 double bitrate_hard_window
;
77 double bitrate_av_window
;
78 double bitrate_av_window_center
;
83 #define OV_ECTL_RATEMANAGE2_GET 0x14
84 #define OV_ECTL_RATEMANAGE2_SET 0x15
86 struct ovectl_ratemanage2_arg
{
87 int management_active
;
89 long bitrate_limit_min_kbps
;
90 long bitrate_limit_max_kbps
;
91 long bitrate_limit_reservoir_bits
;
92 double bitrate_limit_reservoir_bias
;
94 long bitrate_average_kbps
;
95 double bitrate_average_damping
;
100 #define OV_ECTL_LOWPASS_GET 0x20
101 #define OV_ECTL_LOWPASS_SET 0x21
103 #define OV_ECTL_IBLOCK_GET 0x30
104 #define OV_ECTL_IBLOCK_SET 0x31
108 #endif /* __cplusplus */