wav

package
v1.6.4 Latest Latest
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Published: Apr 14, 2018 License: Apache-2.0 Imports: 5 Imported by: 0

Documentation

Overview

Package wav provides WAV (RIFF) decoder.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Stream

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

Stream is a decoded audio stream.

func Decode

func Decode(context *audio.Context, src audio.ReadSeekCloser) (*Stream, error)

Decode decodes WAV (RIFF) data to playable stream.

The format must be 1 or 2 channels, 8bit or 16bit little endian PCM. The format is converted into 2 channels and 16bit.

Decode returns error when decoding fails or IO error happens.

Decode automatically resamples the stream to fit with the audio context if necessary.

func (*Stream) Close

func (s *Stream) Close() error

Read is implementation of io.Closer's Close.

func (*Stream) Length added in v1.6.0

func (s *Stream) Length() int64

Length returns the size of decoded stream in bytes.

func (*Stream) Read

func (s *Stream) Read(p []byte) (int, error)

Read is implementation of io.Reader's Read.

func (*Stream) Seek

func (s *Stream) Seek(offset int64, whence int) (int64, error)

Seek is implementation of io.Seeker's Seek.

Note that Seek can take long since decoding is a relatively heavy task.

func (*Stream) Size

func (s *Stream) Size() int64

Size is deprecated as of version 1.6.0-alpha. Use Length instead.

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