media

Documentation

Index

• func Flaot32To16BitPCM(raw []float32) []int16
• func GetUserMedia(constrains StreamConstrains, success func(*Stream), fail func(*js.Error))
• type AudioBuffer
  • func AudioBufferOf(x js.Value) *AudioBuffer
  • func (buf *AudioBuffer) ChannelData(idx int) []float32
  • func (buf *AudioBuffer) Duration() float64
  • func (buf *AudioBuffer) JSValue() js.Value
  • func (buf *AudioBuffer) Length() int
  • func (buf *AudioBuffer) NumberOfChannels() int
  • func (buf *AudioBuffer) SampleRate() float64
  • func (buf *AudioBuffer) String() string
• type AudioContext
  • func NewAudioContext(sampleRate float64) *AudioContext
  • func (ctx *AudioContext) Close() *AudioContext
  • func (ctx *AudioContext) CreateMediaStreamSource(stream *Stream) *AudioNode
  • func (ctx *AudioContext) CreateScriptProcessor(size BufSize, in, out int) *AudioNode
  • func (ctx *AudioContext) Destination() *AudioNode
  • func (ctx *AudioContext) JSValue() js.Value
  • func (ctx *AudioContext) OnClose(cb func()) *AudioContext
  • func (ctx *AudioContext) OnResume(cb func()) *AudioContext
  • func (ctx *AudioContext) OnSuspend(cb func()) *AudioContext
  • func (ctx *AudioContext) Release()
  • func (ctx *AudioContext) Resume() *AudioContext
  • func (ctx *AudioContext) SampleRate() float64
  • func (ctx *AudioContext) State() AudioState
  • func (ctx *AudioContext) Suspend() *AudioContext
• type AudioNode
  • func AudioNodeOf(x js.Value) *AudioNode
  • func (n *AudioNode) Connect(dest *AudioNode, index ...int) *AudioNode
  • func (n *AudioNode) Context() *AudioContext
  • func (n *AudioNode) Disconnect(dest *AudioNode, index ...int)
  • func (n *AudioNode) DisconnectAll()
  • func (n *AudioNode) JSValue() js.Value
• type AudioState
• type BufSize
• type Stream
  • func StreamOf(v js.Value) *Stream
  • func (stream *Stream) JSValue() js.Value
  • func (stream *Stream) Ready() bool
• type StreamConstrains

Functions

func Flaot32To16BitPCM

func Flaot32To16BitPCM(raw []float32) []int16

Flaot32To16BitPCM converts float32 data to 16Bit PCM.

func GetUserMedia

func GetUserMedia(constrains StreamConstrains, success func(*Stream), fail func(*js.Error))

GetUserMedia ...

Types

type AudioBuffer

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

AudioBuffer https://developer.mozilla.org/en-US/docs/Web/API/AudioBuffer

func AudioBufferOf

func AudioBufferOf(x js.Value) *AudioBuffer

AudioBufferOf returns audio buffer.

func (*AudioBuffer) ChannelData

func (buf *AudioBuffer) ChannelData(idx int) []float32

ChannelData https://developer.mozilla.org/en-US/docs/Web/API/AudioBuffer/getChannelData

func (*AudioBuffer) Duration

func (buf *AudioBuffer) Duration() float64

Duration https://developer.mozilla.org/en-US/docs/Web/API/AudioBuffer/duration

func (*AudioBuffer) JSValue

func (buf *AudioBuffer) JSValue() js.Value

JSValue ...

func (*AudioBuffer) Length

func (buf *AudioBuffer) Length() int

Length https://developer.mozilla.org/en-US/docs/Web/API/AudioBuffer/length

func (*AudioBuffer) NumberOfChannels

func (buf *AudioBuffer) NumberOfChannels() int

NumberOfChannels https://developer.mozilla.org/en-US/docs/Web/API/AudioBuffer/numberOfChannels

func (*AudioBuffer) SampleRate

func (buf *AudioBuffer) SampleRate() float64

SampleRate https://developer.mozilla.org/en-US/docs/Web/API/AudioBuffer/sampleRate

func (*AudioBuffer) String

func (buf *AudioBuffer) String() string

type AudioContext

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

AudioContext https://developer.mozilla.org/en-US/docs/Web/API/AudioContext

func NewAudioContext

func NewAudioContext(sampleRate float64) *AudioContext

NewAudioContext return a audio context with specific sample rate.

func (*AudioContext) Close

func (ctx *AudioContext) Close() *AudioContext

Close https://developer.mozilla.org/en-US/docs/Web/API/AudioContext/close

func (*AudioContext) CreateMediaStreamSource

func (ctx *AudioContext) CreateMediaStreamSource(stream *Stream) *AudioNode

CreateMediaStreamSource https://developer.mozilla.org/en-US/docs/Web/API/AudioContext/createMediaStreamSource

func (*AudioContext) CreateScriptProcessor

func (ctx *AudioContext) CreateScriptProcessor(size BufSize, in, out int) *AudioNode

CreateScriptProcessor https://developer.mozilla.org/en-US/docs/Web/API/BaseAudioContext/createScriptProcessor

func (*AudioContext) Destination

func (ctx *AudioContext) Destination() *AudioNode

Destination https://developer.mozilla.org/en-US/docs/Web/API/BaseAudioContext/destination

func (*AudioContext) JSValue

func (ctx *AudioContext) JSValue() js.Value

JSValue ...

func (*AudioContext) OnClose

func (ctx *AudioContext) OnClose(cb func()) *AudioContext

OnClose invoked when context is closed.

func (*AudioContext) OnResume

func (ctx *AudioContext) OnResume(cb func()) *AudioContext

OnResume invoked when context is resumed.

func (*AudioContext) OnSuspend

func (ctx *AudioContext) OnSuspend(cb func()) *AudioContext

OnSuspend invoked when context is suspended.

func (*AudioContext) Release

func (ctx *AudioContext) Release()

Release frees up callback functions.

func (*AudioContext) Resume

func (ctx *AudioContext) Resume() *AudioContext

Resume https://developer.mozilla.org/en-US/docs/Web/API/AudioContext/resume

func (*AudioContext) SampleRate

func (ctx *AudioContext) SampleRate() float64

SampleRate https://developer.mozilla.org/en-US/docs/Web/API/BaseAudioContext/sampleRate

func (*AudioContext) State

func (ctx *AudioContext) State() AudioState

State https://developer.mozilla.org/en-US/docs/Web/API/BaseAudioContext/state

func (*AudioContext) Suspend

func (ctx *AudioContext) Suspend() *AudioContext

Suspend https://developer.mozilla.org/en-US/docs/Web/API/AudioContext/suspend

type AudioNode

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

AudioNode https://developer.mozilla.org/en-US/docs/Web/API/AudioNode

func AudioNodeOf

func AudioNodeOf(x js.Value) *AudioNode

AudioNodeOf returns a audio node.

func (*AudioNode) Connect

func (n *AudioNode) Connect(dest *AudioNode, index ...int) *AudioNode

Connect https://developer.mozilla.org/en-US/docs/Web/API/AudioNode/connect

func (*AudioNode) Context

func (n *AudioNode) Context() *AudioContext

Context https://developer.mozilla.org/en-US/docs/Web/API/AudioNode/context

func (*AudioNode) Disconnect

func (n *AudioNode) Disconnect(dest *AudioNode, index ...int)

Disconnect https://developer.mozilla.org/en-US/docs/Web/API/AudioNode/disconnect

func (*AudioNode) DisconnectAll

func (n *AudioNode) DisconnectAll()

DisconnectAll disconnects all destination nodes.

func (*AudioNode) JSValue

func (n *AudioNode) JSValue() js.Value

JSValue ...

type AudioState

type AudioState string

AudioState state for AudioConext.

const (
	Suspended AudioState = "suspended"
	Running   AudioState = "running"
	Closed    AudioState = "closed"
)

AudioContext State https://developer.mozilla.org/en-US/docs/Web/API/BaseAudioContext/state

type BufSize

type BufSize int

BufSize buffer size for script processor.

const (
	Size256   BufSize = 256
	Size512   BufSize = 512
	Size1024  BufSize = 1024
	Size2048  BufSize = 2048
	Size4096  BufSize = 4096
	Size8192  BufSize = 8192
	Size16384 BufSize = 16384
)

buffer https://developer.mozilla.org/en-US/docs/Web/API/BaseAudioContext/createScriptProcessor#Parameters

type Stream

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

Stream https://developer.mozilla.org/en-US/docs/Web/API/MediaStream

func StreamOf

func StreamOf(v js.Value) *Stream

StreamOf returns a media stream.

func (*Stream) JSValue

func (stream *Stream) JSValue() js.Value

JSValue ...

func (*Stream) Ready

func (stream *Stream) Ready() bool

Ready ...

type StreamConstrains

type StreamConstrains struct {
	Audio bool
	Video bool
}

StreamConstrains ...