tta

package module

v0.2.0 Latest Latest Go to latest Published: Sep 4, 2020 License: LGPL-3.0 Imports: 7 Imported by: 1

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Repository

github.com/dsonck92/tta

Links

Open Source Insights

README ¶

tta

TTA Lossless Audio Codec Encoder/Decoder for #golang

`gotta` console tool

install: go get github.com/zyxar/tta/cmd/gotta

usage:

  -decode=false: decode file
  -encode=false: encode file
  -help=false: print this help
  -passwd="": specify password

TODOs

SSE4 acceleration
general optimization

Documentation ¶

Index ¶

Constants
func Compress(infile io.ReadSeeker, outfile io.ReadWriteSeeker, passwd string, cb Callback) (err error)
func Decompress(infile io.ReadWriteSeeker, outfile io.WriteSeeker, passwd string, cb Callback) (err error)
type Callback
type Decoder
- func MakeDecoder(iocb io.ReadWriteSeeker) *Decoder
type Encoder
- func MakeEncoder(iocb io.ReadWriteSeeker) *Encoder
type Info

Constants ¶

View Source

const (

	// Version of TTA lib
	Version = "0.1.1"
)

Variables ¶

This section is empty.

Functions ¶

func Compress ¶

func Compress(infile io.ReadSeeker, outfile io.ReadWriteSeeker, passwd string, cb Callback) (err error)

func Decompress ¶

func Decompress(infile io.ReadWriteSeeker, outfile io.WriteSeeker, passwd string, cb Callback) (err error)

Types ¶

type Callback ¶

type Callback func(uint32, uint32, uint32)

type Decoder ¶

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

func MakeDecoder ¶ added in v0.2.0

func MakeDecoder(iocb io.ReadWriteSeeker) *Decoder

func (*Decoder) GetInfo ¶

func (d *Decoder) GetInfo(info *Info, pos int64) (err error)

func (*Decoder) ProcessFrame ¶

func (d *Decoder) ProcessFrame(inSize uint32, out []byte) int32

func (*Decoder) ProcessStream ¶

func (d *Decoder) ProcessStream(out []byte, cb Callback) int32

func (*Decoder) ReadHeader ¶

func (d *Decoder) ReadHeader(info *Info) (uint32, error)

func (*Decoder) SetPassword ¶

func (d *Decoder) SetPassword(pass string)

func (*Decoder) SetPosition ¶ added in v0.1.2

func (d *Decoder) SetPosition(seconds uint32) (newPos uint32, err error)

type Encoder ¶

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

func MakeEncoder ¶ added in v0.2.0

func MakeEncoder(iocb io.ReadWriteSeeker) *Encoder

func (*Encoder) Close ¶

func (e *Encoder) Close()

func (*Encoder) Finalize ¶

func (e *Encoder) Finalize()

func (*Encoder) ProcessFrame ¶

func (e *Encoder) ProcessFrame(in []byte)

func (*Encoder) ProcessStream ¶

func (e *Encoder) ProcessStream(in []byte, cb Callback)

func (*Encoder) SetInfo ¶

func (e *Encoder) SetInfo(info *Info) (err error)

func (*Encoder) SetPassword ¶

func (e *Encoder) SetPassword(pass string)

func (*Encoder) WriteHeader ¶

func (e *Encoder) WriteHeader(info *Info) (size uint32, err error)

type Info ¶

type Info struct {
	Format  uint32 // audio format
	Nch     uint32 // number of channels
	Bps     uint32 // bits per sample
	Sps     uint32 // samplerate (sps)
	Samples uint32 // data length in samples
}

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
cmd
gotta
filter
wave

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