diff options
| author | Luiz Augusto von Dentz <luiz.dentz-von@nokia.com> | 2011-03-14 14:46:10 -0300 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.dentz-von@nokia.com> | 2011-03-14 14:52:52 -0300 |
| commit | e4eb4670108ad2b4a0d9c3044e12ed0d933f834e (patch) | |
| tree | 6b8f4005d9fa2c4a4b37423f914c984530d00658 /src/modules/bluetooth/sbc_math.h | |
| parent | ad8562452768520dd70659cf4be686608b557961 (diff) | |
build: move sbc related files to its own directory
This should make it easier to apply patches from BlueZ which also uses
sbc subdir for this files.
Diffstat (limited to 'src/modules/bluetooth/sbc_math.h')
| -rw-r--r-- | src/modules/bluetooth/sbc_math.h | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/src/modules/bluetooth/sbc_math.h b/src/modules/bluetooth/sbc_math.h deleted file mode 100644 index b87bc81c..00000000 --- a/src/modules/bluetooth/sbc_math.h +++ /dev/null @@ -1,60 +0,0 @@ -/* - * - * Bluetooth low-complexity, subband codec (SBC) library - * - * Copyright (C) 2004-2009 Marcel Holtmann <marcel@holtmann.org> - * Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch> - * Copyright (C) 2005-2008 Brad Midgley <bmidgley@xmission.com> - * - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - */ - -#define fabs(x) ((x) < 0 ? -(x) : (x)) -/* C does not provide an explicit arithmetic shift right but this will - always be correct and every compiler *should* generate optimal code */ -#define ASR(val, bits) ((-2 >> 1 == -1) ? \ - ((int32_t)(val)) >> (bits) : ((int32_t) (val)) / (1 << (bits))) - -#define SCALE_SPROTO4_TBL 12 -#define SCALE_SPROTO8_TBL 14 -#define SCALE_NPROTO4_TBL 11 -#define SCALE_NPROTO8_TBL 11 -#define SCALE4_STAGED1_BITS 15 -#define SCALE4_STAGED2_BITS 16 -#define SCALE8_STAGED1_BITS 15 -#define SCALE8_STAGED2_BITS 16 - -typedef int32_t sbc_fixed_t; - -#define SCALE4_STAGED1(src) ASR(src, SCALE4_STAGED1_BITS) -#define SCALE4_STAGED2(src) ASR(src, SCALE4_STAGED2_BITS) -#define SCALE8_STAGED1(src) ASR(src, SCALE8_STAGED1_BITS) -#define SCALE8_STAGED2(src) ASR(src, SCALE8_STAGED2_BITS) - -#define SBC_FIXED_0(val) { val = 0; } -#define MUL(a, b) ((a) * (b)) -#ifdef __arm__ -#define MULA(a, b, res) ({ \ - int tmp = res; \ - __asm__( \ - "mla %0, %2, %3, %0" \ - : "=&r" (tmp) \ - : "0" (tmp), "r" (a), "r" (b)); \ - tmp; }) -#else -#define MULA(a, b, res) ((a) * (b) + (res)) -#endif |