/* 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_