ref: 8188b4f4f0e07b6669e6ae3c6c1099af917eaab4
dir: /sys/src/cmd/audio/libvorbis/modes/floor_all.h/
/********************************************************************
* *
* 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 1994-2009 *
* by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: key floor settings
********************************************************************/
#include "vorbis/codec.h"
#include "backends.h"
#include "books/floor/floor_books.h"
static const static_codebook*const _floor_128x4_books[]={
&_huff_book_line_128x4_class0,
&_huff_book_line_128x4_0sub0,
&_huff_book_line_128x4_0sub1,
&_huff_book_line_128x4_0sub2,
&_huff_book_line_128x4_0sub3,
};
static const static_codebook*const _floor_256x4_books[]={
&_huff_book_line_256x4_class0,
&_huff_book_line_256x4_0sub0,
&_huff_book_line_256x4_0sub1,
&_huff_book_line_256x4_0sub2,
&_huff_book_line_256x4_0sub3,
};
static const static_codebook*const _floor_128x7_books[]={
&_huff_book_line_128x7_class0,
&_huff_book_line_128x7_class1,
&_huff_book_line_128x7_0sub1,
&_huff_book_line_128x7_0sub2,
&_huff_book_line_128x7_0sub3,
&_huff_book_line_128x7_1sub1,
&_huff_book_line_128x7_1sub2,
&_huff_book_line_128x7_1sub3,
};
static const static_codebook*const _floor_256x7_books[]={
&_huff_book_line_256x7_class0,
&_huff_book_line_256x7_class1,
&_huff_book_line_256x7_0sub1,
&_huff_book_line_256x7_0sub2,
&_huff_book_line_256x7_0sub3,
&_huff_book_line_256x7_1sub1,
&_huff_book_line_256x7_1sub2,
&_huff_book_line_256x7_1sub3,
};
static const static_codebook*const _floor_128x11_books[]={
&_huff_book_line_128x11_class1,
&_huff_book_line_128x11_class2,
&_huff_book_line_128x11_class3,
&_huff_book_line_128x11_0sub0,
&_huff_book_line_128x11_1sub0,
&_huff_book_line_128x11_1sub1,
&_huff_book_line_128x11_2sub1,
&_huff_book_line_128x11_2sub2,
&_huff_book_line_128x11_2sub3,
&_huff_book_line_128x11_3sub1,
&_huff_book_line_128x11_3sub2,
&_huff_book_line_128x11_3sub3,
};
static const static_codebook*const _floor_128x17_books[]={
&_huff_book_line_128x17_class1,
&_huff_book_line_128x17_class2,
&_huff_book_line_128x17_class3,
&_huff_book_line_128x17_0sub0,
&_huff_book_line_128x17_1sub0,
&_huff_book_line_128x17_1sub1,
&_huff_book_line_128x17_2sub1,
&_huff_book_line_128x17_2sub2,
&_huff_book_line_128x17_2sub3,
&_huff_book_line_128x17_3sub1,
&_huff_book_line_128x17_3sub2,
&_huff_book_line_128x17_3sub3,
};
static const static_codebook*const _floor_256x4low_books[]={
&_huff_book_line_256x4low_class0,
&_huff_book_line_256x4low_0sub0,
&_huff_book_line_256x4low_0sub1,
&_huff_book_line_256x4low_0sub2,
&_huff_book_line_256x4low_0sub3,
};
static const static_codebook*const _floor_1024x27_books[]={
&_huff_book_line_1024x27_class1,
&_huff_book_line_1024x27_class2,
&_huff_book_line_1024x27_class3,
&_huff_book_line_1024x27_class4,
&_huff_book_line_1024x27_0sub0,
&_huff_book_line_1024x27_1sub0,
&_huff_book_line_1024x27_1sub1,
&_huff_book_line_1024x27_2sub0,
&_huff_book_line_1024x27_2sub1,
&_huff_book_line_1024x27_3sub1,
&_huff_book_line_1024x27_3sub2,
&_huff_book_line_1024x27_3sub3,
&_huff_book_line_1024x27_4sub1,
&_huff_book_line_1024x27_4sub2,
&_huff_book_line_1024x27_4sub3,
};
static const static_codebook*const _floor_2048x27_books[]={
&_huff_book_line_2048x27_class1,
&_huff_book_line_2048x27_class2,
&_huff_book_line_2048x27_class3,
&_huff_book_line_2048x27_class4,
&_huff_book_line_2048x27_0sub0,
&_huff_book_line_2048x27_1sub0,
&_huff_book_line_2048x27_1sub1,
&_huff_book_line_2048x27_2sub0,
&_huff_book_line_2048x27_2sub1,
&_huff_book_line_2048x27_3sub1,
&_huff_book_line_2048x27_3sub2,
&_huff_book_line_2048x27_3sub3,
&_huff_book_line_2048x27_4sub1,
&_huff_book_line_2048x27_4sub2,
&_huff_book_line_2048x27_4sub3,
};
static const static_codebook*const _floor_512x17_books[]={
&_huff_book_line_512x17_class1,
&_huff_book_line_512x17_class2,
&_huff_book_line_512x17_class3,
&_huff_book_line_512x17_0sub0,
&_huff_book_line_512x17_1sub0,
&_huff_book_line_512x17_1sub1,
&_huff_book_line_512x17_2sub1,
&_huff_book_line_512x17_2sub2,
&_huff_book_line_512x17_2sub3,
&_huff_book_line_512x17_3sub1,
&_huff_book_line_512x17_3sub2,
&_huff_book_line_512x17_3sub3,
};
static const static_codebook*const _floor_Xx0_books[]={
0
};
static const static_codebook*const *const _floor_books[11]={
_floor_128x4_books,
_floor_256x4_books,
_floor_128x7_books,
_floor_256x7_books,
_floor_128x11_books,
_floor_128x17_books,
_floor_256x4low_books,
_floor_1024x27_books,
_floor_2048x27_books,
_floor_512x17_books,
_floor_Xx0_books,
};
static const vorbis_info_floor1 _floor[11]={
/* 0: 128 x 4 */
{
1,{0},{4},{2},{0},
{{1,2,3,4}},
4,{0,128, 33,8,16,70},
60,30,500, 1.,18., 128
},
/* 1: 256 x 4 */
{
1,{0},{4},{2},{0},
{{1,2,3,4}},
4,{0,256, 66,16,32,140},
60,30,500, 1.,18., 256
},
/* 2: 128 x 7 */
{
2,{0,1},{3,4},{2,2},{0,1},
{{-1,2,3,4},{-1,5,6,7}},
4,{0,128, 14,4,58, 2,8,28,90},
60,30,500, 1.,18., 128
},
/* 3: 256 x 7 */
{
2,{0,1},{3,4},{2,2},{0,1},
{{-1,2,3,4},{-1,5,6,7}},
4,{0,256, 28,8,116, 4,16,56,180},
60,30,500, 1.,18., 256
},
/* 4: 128 x 11 */
{
4,{0,1,2,3},{2,3,3,3},{0,1,2,2},{-1,0,1,2},
{{3},{4,5},{-1,6,7,8},{-1,9,10,11}},
2,{0,128, 8,33, 4,16,70, 2,6,12, 23,46,90},
60,30,500, 1,18., 128
},
/* 5: 128 x 17 */
{
6,{0,1,1,2,3,3},{2,3,3,3},{0,1,2,2},{-1,0,1,2},
{{3},{4,5},{-1,6,7,8},{-1,9,10,11}},
2,{0,128, 12,46, 4,8,16, 23,33,70, 2,6,10, 14,19,28, 39,58,90},
60,30,500, 1,18., 128
},
/* 6: 256 x 4 (low bitrate version) */
{
1,{0},{4},{2},{0},
{{1,2,3,4}},
4,{0,256, 66,16,32,140},
60,30,500, 1.,18., 256
},
/* 7: 1024 x 27 */
{
8,{0,1,2,2,3,3,4,4},{3,4,3,4,3},{0,1,1,2,2},{-1,0,1,2,3},
{{4},{5,6},{7,8},{-1,9,10,11},{-1,12,13,14}},
2,{0,1024, 93,23,372, 6,46,186,750, 14,33,65, 130,260,556,
3,10,18,28, 39,55,79,111, 158,220,312, 464,650,850},
60,30,500, 3,18., 1024
},
/* 8: 2048 x 27 */
{
8,{0,1,2,2,3,3,4,4},{3,4,3,4,3},{0,1,1,2,2},{-1,0,1,2,3},
{{4},{5,6},{7,8},{-1,9,10,11},{-1,12,13,14}},
2,{0,2048, 186,46,744, 12,92,372,1500, 28,66,130, 260,520,1112,
6,20,36,56, 78,110,158,222, 316,440,624, 928,1300,1700},
60,30,500, 3,18., 2048
},
/* 9: 512 x 17 */
{
6,{0,1,1,2,3,3},{2,3,3,3},{0,1,2,2},{-1,0,1,2},
{{3},{4,5},{-1,6,7,8},{-1,9,10,11}},
2,{0,512, 46,186, 16,33,65, 93,130,278,
7,23,39, 55,79,110, 156,232,360},
60,30,500, 1,18., 512
},
/* 10: X x 0 (LFE floor; edge posts only) */
{
0,{0}, {0},{0},{-1},
{{-1}},
2,{0,12},
60,30,500, 1.,18., 10
},
};