asset

Documentation

Index

• Constants
• Variables
• func ReadU16(data []byte) (uint16, []byte, error)
• func ReadU32(data []byte) uint32
• type AssetFormat
• type ChunkIdx
  • func ChunkIdxAtOffset(byteOfs int64) ChunkIdx
  • func (ci ChunkIdx) StartByteOffset() int64
• type ChunkStatus
• type Downloader
  • func NewDownloader(conn connection.PacketStream, client *mercury.Client) Downloader

Constants

const (
	ChunkIdx_Nil = ChunkIdx(-1)
)

const (
	Header_AssetWordSize uint8 = 0x03
)

const (

	// Spotify inserts a custom Ogg packet at the start with custom metadata values, that you would
	// otherwise expect in Vorbis comments. This packet isn't well-formed and players may balk at it.
	// Search for "parse_from_ogg" in librespot -- https://github.com/librespot-org/librespot
	SPOTIFY_OGG_HEADER_SIZE = 0xa7
)

Variables

var DefaultAudioFormats = []Spotify.AudioFile_Format{
	Spotify.AudioFile_OGG_VORBIS_160,
}

DefaultAudioFormats is the default audio format for assets if not specified via AssetFormat.

Functions

func ReadU16

func ReadU16(data []byte) (uint16, []byte, error)

func ReadU32

func ReadU32(data []byte) uint32

Types

type AssetFormat

type AssetFormat struct {

	// Audio formats for the asset in order of preference.
	// If nil, DefaultAudioFormats is used.
	AudioFormats []Spotify.AudioFile_Format
}

Expresses preferences for the asset data in order of preference.

type ChunkIdx

type ChunkIdx int32 // 0-based index of the chunk in the asset

func ChunkIdxAtOffset

func ChunkIdxAtOffset(byteOfs int64) ChunkIdx

func (ChunkIdx) StartByteOffset

func (ci ChunkIdx) StartByteOffset() int64

type ChunkStatus

type ChunkStatus int32

type Downloader

type Downloader interface {
	HandleCmd(cmd byte, data []byte) error

	// Blocks until the asset is ready to be accessed.
	PinTrack(uri string, want *AssetFormat) (media.Asset, error)
}

func NewDownloader

func NewDownloader(conn connection.PacketStream, client *mercury.Client) Downloader