devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

Removed non-active seek mechanism from musepack library, small other cleanups.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17446 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andree Buschmann 2008-05-10 20:33:28 +00:00
parent 66010b9f30
commit 14d45c9d17
6 changed files with 125 additions and 203 deletions
Download patch file Download diff file Expand all files Collapse all files

27
apps/codecs/libmusepack/requant.c
View file

@ -69,6 +69,33 @@ const mpc_int32_t __Dc [1 + 18] ICONST_ATTR = {
127, 255, 511, 1023, 2047, 4095, 8191, 16383, 32767
};
// decoding results (requantized) for bundled quantizers (3- and 5-step)
// 1st value of bundled 3-step quantizer
const mpc_int32_t idx30[27] ICONST_ATTR = { -1, 0, 1,-1, 0, 1,-1, 0, 1,
-1, 0, 1,-1, 0, 1,-1, 0, 1,
-1, 0, 1,-1, 0, 1,-1, 0, 1};
// 2nd value of bundled 3-step quantizer
const mpc_int32_t idx31[27] ICONST_ATTR = { -1,-1,-1, 0, 0, 0, 1, 1, 1,
-1,-1,-1, 0, 0, 0, 1, 1, 1,
-1,-1,-1, 0, 0, 0, 1, 1, 1};
// 3rd value of bundled 3-step quantizer
const mpc_int32_t idx32[27] ICONST_ATTR = { -1,-1,-1,-1,-1,-1,-1,-1,-1,
0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1};
// 1st value of bundled 5-step quantizer
const mpc_int32_t idx50[25] ICONST_ATTR = { -2,-1, 0, 1, 2,
-2,-1, 0, 1, 2,
-2,-1, 0, 1, 2,
-2,-1, 0, 1, 2,
-2,-1, 0, 1, 2};
// 2nd value of bundled 5-step quantizer
const mpc_int32_t idx51[25] ICONST_ATTR = { -2,-2,-2,-2,-2,
-1,-1,-1,-1,-1,
0, 0, 0, 0, 0,
1, 1, 1, 1, 1,
2, 2, 2, 2, 2};
#ifdef MPC_FIXED_POINT
static mpc_uint32_t find_shift(double fval)
{