1 /********************************************************************
3 * THIS FILE IS PART OF THE Ogg Vorbis SOFTWARE CODEC SOURCE CODE. *
4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
5 * THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE. *
6 * PLEASE READ THESE TERMS DISTRIBUTING. *
8 * THE OggSQUISH SOURCE CODE IS (C) COPYRIGHT 1994-2000 *
9 * by Monty <monty@xiph.org> and The XIPHOPHORUS Company *
10 * http://www.xiph.org/ *
12 ********************************************************************
14 function: predefined encoding modes
15 last mod: $Id: modes.h,v 1.1 1999/12/31 12:35:11 xiphmont Exp $
17 ********************************************************************/
25 double threshhold_points[THRESH_POINTS]=
27 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 */
28 {0.,.01,.02,.03,.04,.06,.08,.1,.15,.2,.25,.3,.34,.4,.45,.5,.6,.7,.8,1.};
30 vorbis_info predef_modes[]={
31 /* CD quality stereo, no channel coupling */
33 /* channels, sample rate, upperkbps, nominalkbps, lowerkbps */
35 /* dummy, dummy, dummy, dummy */
37 /* smallblock, largeblock, LPC order (small, large) */
39 /* {bark mapping size}, spectral channels */
41 /* thresh sample period, preecho clamp trigger threshhold, range, dummy */
43 /* noise masking curve dB attenuation levels [20] */
44 /*{-12,-12,-18,-18,-18,-18,-18,-18,-18,-12,
45 -8,-4,0,0,0,0,0,0,0,0},*/
46 {-100,-100,-100,-100,-100,-100,-100,-24,-24,-24,
47 -24,-24,-24,-24,-24,-24,-24,-24,-24,-24},
48 /* noise masking scale biases */
50 /* tone masking curve dB attenuation levels [20] */
51 {-20,-20,-20,-20,-20,-20,-20,-20,-20,-20,
52 -20,-20,-20,-20,-20,-20,-20,-20,-20,-20},
53 /* tone masking rolloff settings (dB per octave), octave bias */
59 #define predef_mode_max 0