14d45c9d17
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17446 a1c6a512-1295-4272-9138-f99709370657
57 lines
2.4 KiB
C
57 lines
2.4 KiB
C
/*
|
|
Copyright (c) 2005, The Musepack Development Team
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are
|
|
met:
|
|
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
|
|
* Redistributions in binary form must reproduce the above
|
|
copyright notice, this list of conditions and the following
|
|
disclaimer in the documentation and/or other materials provided
|
|
with the distribution.
|
|
|
|
* Neither the name of the The Musepack Development Team nor the
|
|
names of its contributors may be used to endorse or promote
|
|
products derived from this software without specific prior
|
|
written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/// \file requant.h
|
|
/// Requantization function definitions.
|
|
|
|
#ifndef _mpcdec_requant_h
|
|
#define _mpcdec_requant_h_
|
|
|
|
#include "musepack.h"
|
|
|
|
/* C O N S T A N T S */
|
|
extern const mpc_uint32_t Res_bit[18]; // bits per sample for chosen quantizer
|
|
extern const MPC_SAMPLE_FORMAT __Cc[1 + 18]; // coefficients for requantization
|
|
extern const mpc_int32_t __Dc[1 + 18]; // offset for requantization
|
|
extern const mpc_int32_t idx30[27]; // 1st value of bundled 3-step quantizer
|
|
extern const mpc_int32_t idx31[27]; // 2nd value of bundled 3-step quantizer
|
|
extern const mpc_int32_t idx32[27]; // 3rd value of bundled 3-step quantizer
|
|
extern const mpc_int32_t idx50[25]; // 1st value of bundled 5-step quantizer
|
|
extern const mpc_int32_t idx51[25]; // 2nd value of bundled 5-step quantizer
|
|
|
|
|
|
#define Cc (__Cc + 1)
|
|
#define Dc (__Dc + 1)
|
|
|
|
#endif // _mpcdec_requant_h_
|