vorbis

package

v0.3.3 Latest Latest Go to latest Published: Aug 14, 2025 License: GPL-3.0 Imports: 10 Imported by: 0

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const (
	// DataChunkSize represents the amount of data read from physical bitstream on each iteration.
	DataChunkSize = 4096 // could be also 8192
)

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type Decoder struct {
	sync.Mutex

	SampleRate int32
	Channels   int32
	// contains filtered or unexported fields
}

Decoder implements an OggVorbis decoder.

func New(log librespot.Logger, r librespot.SizedReadAtSeeker, meta *MetadataPage, gain float32) (*Decoder, error)

New creates and initialises a new OggVorbis decoder for the provided bytestream.

func (d *Decoder) Close()

Close stops and finalizes the decoding process, releases the allocated resources. Puts the decoder into an unrecoverable state.

func (d *Decoder) PositionMs() int64

func (d *Decoder) Read(p []float32) (n int, err error)

func (d *Decoder) SetPositionMs(pos int64) (err error)

type Info struct {
	Channels   int32
	SampleRate int32
	Comments   []string
	Vendor     string
}

Info represents basic information about the audio in a Vorbis bitstream.

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

func ExtractMetadataPage(log librespot.Logger, r io.ReaderAt, limit int64) (librespot.SizedReadAtSeeker, *MetadataPage, error)

func (m MetadataPage) GetAlbumFactor(normalisationPregain float32) float32

func (m MetadataPage) GetSeekPosition(samplesPos int64) int64

func (m MetadataPage) GetTrackFactor(normalisationPregain float32) float32