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- /* this file is a part of amp software, (C) tomislav uzelac 1996,1997
- */
-
- /* getdata.h
- *
- * tomislav uzelac Apr 1996
- */
-
- extern int decode_scalefactors(struct SIDE_INFO *info,struct AUDIO_HEADER *header,int gr,int ch);
-
- extern int is_max[21];
- extern int intensity_scale;
-
- #ifdef GETDATA
-
- static char t_slen1[16]={0,0,0,0,3,1,1,1,2,2,2,3,3,3,4,4};
- static char t_slen2[16]={0,1,2,3,0,1,2,3,1,2,3,1,2,3,2,3};
-
- int is_max[21]; /* the maximum value of is_pos. for short blocks is_max[sfb=0] == is_max[6],
- * it's sloppy but i'm sick of waisting storage. blaah...
- */
- int intensity_scale;
-
- int decode_scalefactors(struct SIDE_INFO *info,struct AUDIO_HEADER *header,int gr,int ch);
-
- /* my implementation of MPEG2 scalefactor decoding is, admitably, horrible
- * anyway, just take a look at pg.18 of MPEG2 specs, and you'll know what
- * this is all about
- */
- static const char spooky_table[2][3][3][4]={
- {
- { {6,5,5,5}, {9,9,9,9}, {6,9,9,9} },
- { {6,5,7,3}, {9,9,12,6}, {6,9,12,6}},
- { {11,10,0,0}, {18,18,0,0}, {15,18,0,0}}
- },
- {
- { {7,7,7,0}, {12,12,12,0}, {6,15,12,0}},
- { {6,6,6,3}, {12,9,9,6}, {6,12,9,6}},
- { {8,8,5,0}, {15,12,9,0}, {6,18,9,0}}
- }};
-
- #endif /* GETDATA */
-