DiscordOpusDecoder

open class DiscordOpusDecoder : DiscordOpusCodeable

An Opus decoder.

Takes Opus packets and returns raw PCM 16-bit-lesample data.

Properties

  • The number of channels.

    Declaration

    Swift

    public let channels: Int

  • The sampling rate.

    Declaration

    Swift

    public let sampleRate: Int

Initializers

  • Creates a Decoder that takes Opus encoded data and outputs raw PCM 16-bit-lesample data.

    Declaration

    Swift

    public init(sampleRate: Int, channels: Int, gain: Int = 0) throws

    Parameters

    sampleRate

    The sample rate for the decoder. Discord expects this to be 48k.
    channels

    The number of channels in the stream to decode, should always be 2.
    gain

    The gain for this decoder.

Methods

  • Decodes Opus data into raw PCM 16-bit-lesample data.

    Declaration

    Swift

    open func decode(_ audio: UnsafePointer<UInt8>?, packetSize: Int, frameSize: Int) throws -> [opus_int16]

    Parameters

    audio

    A pointer to the audio data.
    packetSize

    The number of bytes in this packet.
    frameSize

    The size of the frame in samples per channel.

    Return Value

    An opus encoded packet.