PCMPlayer
-----------
A minimalist javascript audio player for PCM streaming data for the browsers.
浏览器端简单的PCM数据流播放器
How to use?（使用说明）
var player = new PCMPlayer(options);
Available options are:
可配置项如下:
| Name | Parameter |Default | Type |Remark|
| ----- |:-----:| -----:|-----:|-----:|
|inputCodec| Int8 / Int16 / Int32 / Float32 |Int16|string|编码格式|
|channels| |1|number |声道数|
|sampleRate| |8000| number|采样率|
|flushTime| |1000|number| flushing interval of PCM data to be played in milisecond（PCM数据缓冲多久进行播放）|
|fftSize| |2048|number| a power of 2 between 2^5 and 2^15|
Complete example（使用示例）:
$3
install by CDN or npm
CDN
``
html
`
ES6
`
bash
npm i pcm-player-v2
`
`
javascript
// in your js/ts file
import PCMPlayer from 'pcm-player-v2'
`
$3
`
javascript
var player = new PCMPlayer({
inputCodec: 'Int16',
channels: 2,
sampleRate: 8000,
flushTime: 2000
});
// Now feed PCM data into player getting from websocket or ajax whatever the transport you are using.Accept ArrayBuffer or TypedArray
// 接收PCM格式的原始数据，ArrayBuffer 类型或者 TypedArray 类型
player.feed(pcm_data);
``
Available Methods（方法）
| Name | Parameter | Remark |
| ------------- |:-------------:| -----:|
| feed | raw PCM data | Usually get from ajax or websocket
| volume | decimal value 0 to +∞ () | For controlling volume of the player, default is 1 |
| destroy | - | Destroy the player instance and release the resources |
| pause |-|pause playing|
| continue|-|resume playing|
Available Attributes（属性）
| Name | Remark |
| ------------- | -----:|
| audioCtx | current AudioContext
| gainNode | AudioContext gainNode
| analyserNode | AudioContext AnalyserNode
Available Event（事件）
|Name|Parameter|Remark|
|----|---------|-|
|onstatechange|(node, event, type)|node: AudioContext, event: Event, type: AudioContextState|
|onended|(node, event)|node: AudioBufferSourceNode, event: Event|