requant.c File Reference

#include "musepack/musepack.h"
#include "musepack/internal.h"

Go to the source code of this file.

Defines
#define	_(X)   MAKE_MPC_SAMPLE_EX(X,14)
#define	SET_SCF(N, X)   d->SCF[N] = MAKE_MPC_SAMPLE_EX(X,SCF_shift[N] = (unsigned char)find_shift(X));
Functions
void	mpc_decoder_scale_output (mpc_decoder *d, double factor)
void	mpc_decoder_initialisiere_quantisierungstabellen (mpc_decoder *d, double scale_factor)
Variables
const mpc_uint32_t	Res_bit [18]
const MPC_SAMPLE_FORMAT	__Cc [1+18]
const mpc_int32_t	__Dc [1+18]

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Detailed Description

Requantization function implementations.

Todo:

document me

Definition in file requant.c.

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Function Documentation

void mpc_decoder_scale_output (  mpc_decoder *  d, double  scale_factor )

Sets decoder sample scaling factor. All decoded samples will be multiplied by this factor. Parameters: scale_factor  multiplicative scaling factor Definition at line 89 of file requant.c.

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Variable Documentation

const MPC_SAMPLE_FORMAT __Cc[1+18]

Initial value: { _(111.285962475327f), _(65536.000000000000f), _(21845.333333333332f), _(13107.200000000001f), _(9362.285714285713f), _(7281.777777777777f), _(4369.066666666666f), _(2114.064516129032f), _(1040.253968253968f), _(516.031496062992f), _(257.003921568627f), _(128.250489236790f), _(64.062561094819f), _(32.015632633121f), _(16.003907203907f), _(8.000976681723f), _(4.000244155527f), _(2.000061037018f), _(1.000015259021f) } Definition at line 53 of file requant.c.

const mpc_int32_t __Dc[1+18]

Initial value: { 2, 0, 1, 2, 3, 4, 7, 15, 31, 63, 127, 255, 511, 1023, 2047, 4095, 8191, 16383, 32767 } Definition at line 66 of file requant.c.

const mpc_uint32_t Res_bit[18]

Initial value: { 0, 0, 0, 0, 0, 0, 0, 0, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 } Definition at line 44 of file requant.c.

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