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| author | Sean Bartell <wingedtachikoma@gmail.com> | 2011-06-25 21:32:25 -0400 |
|---|---|---|
| committer | Nils Wallménius <nils@rockbox.org> | 2012-04-25 22:13:20 +0200 |
| commit | f40bfc9267b13b54e6379dfe7539447662879d24 (patch) | |
| tree | 9b20069d5e62809ff434061ad730096836f916f2 /apps/codecs/libwmapro/quant.h | |
| parent | a0009907de7a0107d49040d8a180f140e2eff299 (diff) | |
| download | rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.zip rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.gz rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.bz2 rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.xz | |
Add codecs to librbcodec.
Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>
Diffstat (limited to 'apps/codecs/libwmapro/quant.h')
| -rw-r--r-- | apps/codecs/libwmapro/quant.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/apps/codecs/libwmapro/quant.h b/apps/codecs/libwmapro/quant.h deleted file mode 100644 index 3500615..0000000 --- a/apps/codecs/libwmapro/quant.h +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef _QUANT_H_ -#define _QUANT_H_ - -#include <inttypes.h> - -/* This table contains unscaled integer casts of the floating point inverse - * quantization factors used by wma pro. The formula for calculating the - * floating point value is : - * quant = pow(10.0, exp/20) - * 'exp' is an integer value which I have exmerimentally found to fall in the - * range (50,170). */ -const int32_t quant_tab[121] = { - 0x0000013C, 0x00000163, 0x0000018E, 0x000001BF, - 0x000001F5, 0x00000232, 0x00000277, 0x000002C4, - 0x0000031A, 0x0000037B, 0x000003E8, 0x00000462, - 0x000004EB, 0x00000585, 0x00000631, 0x000006F2, - 0x000007CB, 0x000008BF, 0x000009D0, 0x00000B02, - 0x00000C5A, 0x00000DDC, 0x00000F8D, 0x00001173, - 0x00001394, 0x000015F7, 0x000018A6, 0x00001BA7, - 0x00001F07, 0x000022D1, 0x00002710, 0x00002BD4, - 0x0000312D, 0x0000372D, 0x00003DE9, 0x00004577, - 0x00004DF1, 0x00005773, 0x0000621F, 0x00006E18, - 0x00007B87, 0x00008A99, 0x00009B83, 0x0000AE7C, - 0x0000C3C7, 0x0000DBAA, 0x0000F678, 0x0001148B, - 0x00013649, 0x00015C25, 0x000186A0, 0x0001B64A, - 0x0001EBC5, 0x000227C6, 0x00026B19, 0x0002B6A4, - 0x00030B66, 0x00036A80, 0x0003D535, 0x00044CEE, - 0x0004D344, 0x000569FD, 0x0006131B, 0x0006D0DC, - 0x0007A5C3, 0x000894A5, 0x0009A0AD, 0x000ACD6A, - 0x000C1ED8, 0x000D9973, 0x000F4240, 0x00111EE2, - 0x001335AD, 0x00158DBA, 0x00182EFD, 0x001B2267, - 0x001E71FE, 0x00222901, 0x0026540E, 0x002B014F, - 0x003040A6, 0x003623E6, 0x003CBF10, 0x00442894, - 0x004C79A0, 0x0055CE75, 0x006046C5, 0x006C0622, - 0x00793472, 0x0087FE7D, 0x00989680, 0x00AB34D9, - 0x00C018C6, 0x00D7893F, 0x00F1D5E4, 0x010F580A, - 0x013073EF, 0x01559A0B, 0x017F4890, 0x01AE0D15, - 0x01E28679, 0x021D66FB, 0x025F769D, 0x02A995C7, - 0x02FCC043, 0x035A1095, 0x03C2C3B6, 0x04383D52, - 0x04BC0C77, 0x054FF0E6, 0x05F5E100, 0x06B01075, - 0x0780F7BD, 0x086B5C7A, 0x09725AE7, 0x0A997065, - 0x0BE48757, 0x0D580472, 0x0EF8D5A3, 0x10CC82D5, - 0x12D940B6 -}; - -#define EXP_MIN 50 -#define EXP_MAX 170 - -/* return the correct value of quant based on exp */ -#define QUANT(exp) quant_tab[exp - EXP_MIN] - - -#endif /* _QUANT_H_ */ |