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Diffstat (limited to 'contrib/libmpcdec/mpcdec/requant.h')
-rw-r--r-- | contrib/libmpcdec/mpcdec/requant.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/contrib/libmpcdec/mpcdec/requant.h b/contrib/libmpcdec/mpcdec/requant.h new file mode 100644 index 000000000..a0aab981b --- /dev/null +++ b/contrib/libmpcdec/mpcdec/requant.h @@ -0,0 +1,51 @@ +/* + 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 "mpcdec.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 + +#define Cc (__Cc + 1) +#define Dc (__Dc + 1) + +#endif // _mpcdec_requant_h_ |