wav

package module

v0.0.0-...-1fe9dcb Latest Latest Go to latest Published: Oct 15, 2015 License: GPL-2.0 Imports: 7 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/rtucker88/wav

Links

Open Source Insights

README ¶

wav

golang .wav reader and writer

Todo

Use type WavFile for Reader
Implement Stereo interleaving

Documentation ¶

Index ¶

Variables
type ErrIncorrectChunkSize
- func (e ErrIncorrectChunkSize) Error() string
type File
- func (file File) NewWriter(out output) (wr *Writer, err error)
type Reader
- func NewReader(rd io.ReadSeeker, size int64) (wav *Reader, err error)
type Writer

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	ErrInputToLarge = errors.New("Input too large")
	ErrNotRiff      = errors.New("Not a RIFF file")
	ErrNotWave      = errors.New("Not a WAVE file")

	ErrBrokenChunkFmt  = errors.New("could not decode chunkFmt")
	ErrNoBitsPerSample = errors.New("could not decode chunkFmt")

	ErrFormatNotSupported = errors.New("Format not supported - Only uncompressed PCM currently")
)

Functions ¶

This section is empty.

Types ¶

type ErrIncorrectChunkSize ¶

type ErrIncorrectChunkSize struct {
	Got, Wanted uint32
}

func (ErrIncorrectChunkSize) Error ¶

func (e ErrIncorrectChunkSize) Error() string

type File ¶

type File struct {
	SampleRate      uint32
	SignificantBits uint16
	Channels        uint16
}

func (File) NewWriter ¶

func (file File) NewWriter(out output) (wr *Writer, err error)

NewWriter creates a new WaveWriter and writes the header to it

type Reader ¶

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

func NewReader ¶

func NewReader(rd io.ReadSeeker, size int64) (wav *Reader, err error)

func (Reader) FirstSampleOffset ¶

func (wav Reader) FirstSampleOffset() uint32

func (Reader) GetDumbReader ¶

func (wav Reader) GetDumbReader() (r io.Reader, err error)

GetDumbReader gives you a std io.Reader, starting from the first sample. usefull for piping data.

func (Reader) GetFile ¶

func (w Reader) GetFile() File

func (*Reader) GetSampleCount ¶

func (wav *Reader) GetSampleCount() uint32

func (*Reader) ReadRawSample ¶

func (wav *Reader) ReadRawSample() ([]byte, error)

func (*Reader) ReadSample ¶

func (wav *Reader) ReadSample() (n int32, err error)

func (Reader) String ¶

func (wav Reader) String() string

type Writer ¶

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

Writer encapsulates a io.WriteSeeker and supplies Functions for writing samples

func (*Writer) Close ¶

func (w *Writer) Close() error

Close corrects the filesize information in the header

func (*Writer) GetDumbWriter ¶

func (w *Writer) GetDumbWriter() (wr output, countPtr *int32, err error)

GetDumbWriter gives you a std io.Writer, starting from the first sample. usefull for piping data.

func (*Writer) WriteInt32 ¶

func (w *Writer) WriteInt32(sample int32) error

WriteInt32 writes the sample to the file using the binary package

func (*Writer) WriteSample ¶

func (w *Writer) WriteSample(sample []byte) error

WriteSample writes a []byte array to file without conversion

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
examples
plotWav command
simpleRead command
simpleSweep command

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