audioop

package

v1.0.2 Latest Latest Go to latest Published: Apr 13, 2024 License: MIT Imports: 5 Imported by: 0

Details

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Repository

github.com/Jonathan-Mckenzie/godub

Links

Open Source Insights

Documentation ¶

Overview ¶

Package audioop provides some useful operations on sound fragments by manipulating raw audio data. The implementation is based on the Python audioop module. More references can be found here:

Index ¶

func AbsInt32(x int32) int32
func Add(cp1 []byte, cp2 []byte, size int) ([]byte, error)
func Avg(cp []byte, size int) (int32, error)
func Avgpp(cp []byte, size int) (int32, error)
func Bias(cp []byte, size int, bias int) ([]byte, error)
func Cross(cp []byte, size int) (int32, error)
func FindFactor(cp1 []byte, cp2 []byte) (int32, error)
func FindFit(cp1 []byte, cp2 []byte) (int32, int32, error)
func FindMax(cp []byte, len2 int) (int32, error)
func GCD(a, b int) int
func GetSample(cp []byte, size int, offset int) (int32, error)
func Int16LE(b []byte) int16
func Int32LE(b []byte) int32
func Int8LE(b []byte) int8
func Lin2Lin(cp []byte, size, size2 int) ([]byte, error)
func Max(cp []byte, size int) (int32, error)
func MaxInt32(x, y int32) int32
func Maxpp(cp []byte, size int) (int32, error)
func MinInt32(x, y int32) int32
func MinMax(cp []byte, size int) (int32, int32, error)
func Mul(cp []byte, size int, factor float64) ([]byte, error)
func RMS(cp []byte, size int) (int32, error)
func Reverse(cp []byte, size int) ([]byte, error)
func SumInt32(i ...int32) int
func ToMono(cp []byte, size int, fac1, fac2 float64) ([]byte, error)
func ToStereo(cp []byte, size int, fac1, fac2 float64) ([]byte, error)
func Uint16LE(b []byte) uint16
func Uint32LE(b []byte) uint32
func Uint8LE(b []byte) uint8
type Error
- func NewError(format string, args ...interface{}) Error
- func (e Error) Error() string
type Int32Iterator
- func NewInt32Interator(items []int32) *Int32Iterator
- func (it *Int32Iterator) Next() int32
type State
- func NewState(d int, prev []int, cur []int) *State
- func Ratecv(cp []byte, size, nChannels, inRate, outRate, weightA, weightB int) ([]byte, *State, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func AbsInt32 ¶

func AbsInt32(x int32) int32

func Add ¶

func Add(cp1 []byte, cp2 []byte, size int) ([]byte, error)

func Avg ¶

func Avg(cp []byte, size int) (int32, error)

func Avgpp ¶

func Avgpp(cp []byte, size int) (int32, error)

func Bias ¶

func Bias(cp []byte, size int, bias int) ([]byte, error)

func Cross ¶

func Cross(cp []byte, size int) (int32, error)

func FindFactor ¶

func FindFactor(cp1 []byte, cp2 []byte) (int32, error)

func FindFit ¶

func FindFit(cp1 []byte, cp2 []byte) (int32, int32, error)

func FindMax ¶

func FindMax(cp []byte, len2 int) (int32, error)

func GCD ¶

func GCD(a, b int) int

func GetSample ¶

func GetSample(cp []byte, size int, offset int) (int32, error)

func Int16LE ¶

func Int16LE(b []byte) int16

func Int32LE ¶

func Int32LE(b []byte) int32

func Int8LE ¶

func Int8LE(b []byte) int8

func Lin2Lin ¶

func Lin2Lin(cp []byte, size, size2 int) ([]byte, error)

func Max ¶

func Max(cp []byte, size int) (int32, error)

func MaxInt32 ¶

func MaxInt32(x, y int32) int32

func Maxpp ¶

func Maxpp(cp []byte, size int) (int32, error)

func MinInt32 ¶

func MinInt32(x, y int32) int32

func MinMax ¶

func MinMax(cp []byte, size int) (int32, int32, error)

func Mul ¶

func Mul(cp []byte, size int, factor float64) ([]byte, error)

func RMS ¶

func RMS(cp []byte, size int) (int32, error)

RMS: Root mean square

func Reverse ¶

func Reverse(cp []byte, size int) ([]byte, error)

func SumInt32 ¶

func SumInt32(i ...int32) int

func ToMono ¶

func ToMono(cp []byte, size int, fac1, fac2 float64) ([]byte, error)

func ToStereo ¶

func ToStereo(cp []byte, size int, fac1, fac2 float64) ([]byte, error)

func Uint16LE ¶

func Uint16LE(b []byte) uint16

func Uint32LE ¶

func Uint32LE(b []byte) uint32

func Uint8LE ¶

func Uint8LE(b []byte) uint8

Types ¶

type Error ¶

type Error struct {
	// contains filtered or unexported fields
}

func NewError ¶

func NewError(format string, args ...interface{}) Error

func (Error) Error ¶

func (e Error) Error() string

type Int32Iterator ¶

type Int32Iterator struct {
	// contains filtered or unexported fields
}

func NewInt32Interator ¶

func NewInt32Interator(items []int32) *Int32Iterator

func (*Int32Iterator) Next ¶

func (it *Int32Iterator) Next() int32

type State ¶

type State struct {
	D     int
	Samps []struct {
		PrevI int
		CurI  int
	}
}

func NewState ¶

func NewState(d int, prev []int, cur []int) *State

func Ratecv ¶

func Ratecv(cp []byte, size, nChannels, inRate, outRate, weightA, weightB int) ([]byte, *State, error)

Source Files ¶

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