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提交 45c7a8f2 编写于 作者: J jiao_yanlin
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Sample code content modification 

Signed-off-by: Njiao_yanlin <jiaoyanlin@huawei.com>
上级 86b9deb4
隐藏空白更改
内联 并排
Showing with 77 addition and 78 deletion
zh-cn/application-dev/reference/apis/js-apis-audio.md
浏览文件 @ 45c7a8f2
......@@ -52,7 +52,7 @@ getAudioManager(): AudioManager
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
```
## audio.createAudioRenderer<sup>8+</sup>
......@@ -74,20 +74,20 @@ createAudioRenderer(options: AudioRendererOptions, callback: AsyncCallback\<Audi
```js
import audio from '@ohos.multimedia.audio';
var audioStreamInfo = {
let audioStreamInfo = {
samplingRate: audio.AudioSamplingRate.SAMPLE_RATE_44100,
channels: audio.AudioChannel.CHANNEL_1,
sampleFormat: audio.AudioSampleFormat.SAMPLE_FORMAT_S16LE,
encodingType: audio.AudioEncodingType.ENCODING_TYPE_RAW
}
var audioRendererInfo = {
let audioRendererInfo = {
content: audio.ContentType.CONTENT_TYPE_SPEECH,
usage: audio.StreamUsage.STREAM_USAGE_VOICE_COMMUNICATION,
rendererFlags: 0
}
var audioRendererOptions = {
let audioRendererOptions = {
streamInfo: audioStreamInfo,
rendererInfo: audioRendererInfo
}
......@@ -127,25 +127,25 @@ createAudioRenderer(options: AudioRendererOptions): Promise<AudioRenderer\>
```js
import audio from '@ohos.multimedia.audio';
var audioStreamInfo = {
let audioStreamInfo = {
samplingRate: audio.AudioSamplingRate.SAMPLE_RATE_44100,
channels: audio.AudioChannel.CHANNEL_1,
sampleFormat: audio.AudioSampleFormat.SAMPLE_FORMAT_S16LE,
encodingType: audio.AudioEncodingType.ENCODING_TYPE_RAW
}
var audioRendererInfo = {
let audioRendererInfo = {
content: audio.ContentType.CONTENT_TYPE_SPEECH,
usage: audio.StreamUsage.STREAM_USAGE_VOICE_COMMUNICATION,
rendererFlags: 0
}
var audioRendererOptions = {
let audioRendererOptions = {
streamInfo: audioStreamInfo,
rendererInfo: audioRendererInfo
}
var audioRenderer;
let audioRenderer;
audio.createAudioRenderer(audioRendererOptions).then((data) => {
audioRenderer = data;
console.info('AudioFrameworkRenderLog: AudioRenderer Created : Success : Stream Type: SUCCESS');
......@@ -175,19 +175,19 @@ createAudioCapturer(options: AudioCapturerOptions, callback: AsyncCallback<Audio
```js
import audio from '@ohos.multimedia.audio';
var audioStreamInfo = {
let audioStreamInfo = {
samplingRate: audio.AudioSamplingRate.SAMPLE_RATE_44100,
channels: audio.AudioChannel.CHANNEL_2,
sampleFormat: audio.AudioSampleFormat.SAMPLE_FORMAT_S16LE,
encodingType: audio.AudioEncodingType.ENCODING_TYPE_RAW
}
var audioCapturerInfo = {
let audioCapturerInfo = {
source: audio.SourceType.SOURCE_TYPE_MIC,
capturerFlags: 0
}
var audioCapturerOptions = {
let audioCapturerOptions = {
streamInfo: audioStreamInfo,
capturerInfo: audioCapturerInfo
}
......@@ -229,24 +229,24 @@ createAudioCapturer(options: AudioCapturerOptions): Promise<AudioCapturer\>
```js
import audio from '@ohos.multimedia.audio';
var audioStreamInfo = {
let audioStreamInfo = {
samplingRate: audio.AudioSamplingRate.SAMPLE_RATE_44100,
channels: audio.AudioChannel.CHANNEL_2,
sampleFormat: audio.AudioSampleFormat.SAMPLE_FORMAT_S16LE,
encodingType: audio.AudioEncodingType.ENCODING_TYPE_RAW
}
var audioCapturerInfo = {
let audioCapturerInfo = {
source: audio.SourceType.SOURCE_TYPE_MIC,
capturerFlags: 0
}
var audioCapturerOptions = {
let audioCapturerOptions = {
streamInfo: audioStreamInfo,
capturerInfo: audioCapturerInfo
}
var audioCapturer;
let audioCapturer;
audio.createAudioCapturer(audioCapturerOptions).then((data) => {
audioCapturer = data;
console.info('AudioCapturer Created : Success : Stream Type: SUCCESS');
......@@ -275,13 +275,12 @@ createTonePlayer(options: AudioRendererInfo, callback: AsyncCallback&lt;TonePlay
```js
import audio from '@ohos.multimedia.audio';
var audioRendererInfo = {
let audioRendererInfo = {
"contentType": audio.ContentType.CONTENT_TYPE_MUSIC,
"streamUsage": audio.StreamUsage.STREAM_USAGE_MEDIA,
"rendererFlags": 0
}
var tonePlayer;
let tonePlayer;
audio.createTonePlayer(audioRendererInfo, (err, data) => {
console.info(`callback call createTonePlayer: audioRendererInfo: ${audioRendererInfo}`);
if (err) {
......@@ -318,12 +317,12 @@ createTonePlayer(options: AudioRendererInfo): Promise&lt;TonePlayer&gt;
```js
import audio from '@ohos.multimedia.audio';
async function createTonePlayer(){
var audioRendererInfo = {
let audioRendererInfo = {
"contentType": audio.ContentType.CONTENT_TYPE_MUSIC,
"streamUsage": audio.StreamUsage.STREAM_USAGE_MEDIA,
"rendererFlags": 0
}
let tonePlayer = await audio.createTonePlayer(this.audioRendererInfo);
let tonePlayer = await audio.createTonePlayer(audioRendererInfo);
}
```
......@@ -515,7 +514,7 @@ async function createTonePlayer(){
**系统接口：** 该接口为系统接口
**系统能力：**: SystemCapability.Multimedia.Audio.Core
**系统能力：** SystemCapability.Multimedia.Audio.Core
| 名称 | 默认值 | 描述 |
| ---------------------------------- | ------ | ------------------------------- |
......@@ -841,7 +840,7 @@ audioManager.getRoutingManager((err, callback) => {
console.error(`Result ERROR: ${err}`);
}
console.info('getRoutingManager Callback SUCCESS.');
var audioRoutingManager;
let audioRoutingManager;
audioRoutingManager = callback;
});
```
......@@ -862,10 +861,10 @@ getRoutingManager(): Promise&lt;AudioRoutingManager&gt;
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
async function getRoutingManager(){
await audioManager.getRoutingManager().then((value) => {
var routingManager = value;
let routingManager = value;
console.info('getRoutingManager Promise SUCCESS.');
}).catch((err) => {
console.error(`Result ERROR: ${err}`);
......@@ -1920,7 +1919,7 @@ on(type: 'interrupt', interrupt: AudioInterrupt, callback: Callback\<InterruptAc
**示例：**
```js
var interAudioInterrupt = {
let interAudioInterrupt = {
streamUsage:2,
contentType:0,
pauseWhenDucked:true
......@@ -1956,7 +1955,7 @@ off(type: 'interrupt', interrupt: AudioInterrupt, callback?: Callback\<Interrupt
**示例：**
```js
var interAudioInterrupt = {
let interAudioInterrupt = {
streamUsage:2,
contentType:0,
pauseWhenDucked:true
......@@ -1989,7 +1988,7 @@ setAudioScene\(scene: AudioScene, callback: AsyncCallback<void\>\): void
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
audioManager.setAudioScene(audio.AudioScene.AUDIO_SCENE_PHONE_CALL, (err) => {
if (err) {
console.error(`Failed to set the audio scene mode.​ ${err}`);
......@@ -2024,7 +2023,7 @@ setAudioScene\(scene: AudioScene\): Promise<void\>
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
audioManager.setAudioScene(audio.AudioScene.AUDIO_SCENE_PHONE_CALL).then(() => {
console.info('Promise returned to indicate a successful setting of the audio scene mode.');
}).catch ((err) => {
......@@ -2049,7 +2048,7 @@ getAudioScene\(callback: AsyncCallback<AudioScene\>\): void
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
audioManager.getAudioScene((err, value) => {
if (err) {
console.error(`Failed to obtain the audio scene mode.​ ${err}`);
......@@ -2077,7 +2076,7 @@ getAudioScene\(\): Promise<AudioScene\>
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
audioManager.getAudioScene().then((value) => {
console.info(`Promise returned to indicate that the audio scene mode is obtained ${value}.`);
}).catch ((err) => {
......@@ -2104,7 +2103,7 @@ getVolumeGroups(networkId: string, callback: AsyncCallback<VolumeGroupInfos\>\):
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
audioManager.getVolumeGroups(audio.LOCAL_NETWORK_ID, (err, value) => {
if (err) {
console.error(`Failed to obtain the volume group infos list. ${err}`);
......@@ -2165,8 +2164,8 @@ getGroupManager(groupId: number, callback: AsyncCallback<AudioGroupManager\>\):
**示例：**
```js
var audioManager = audio.getAudioManager();
var audioGroupManager;
let audioManager = audio.getAudioManager();
let audioGroupManager;
async function getGroupManager(){
let value = await audioManager.getVolumeGroups(audio.LOCAL_NETWORK_ID);
if (value.length > 0) {
......@@ -2208,7 +2207,7 @@ getGroupManager(groupId: number\): Promise<AudioGroupManager\>
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
async function getGroupManager(){
let value = await audioManager.getVolumeGroups(audio.LOCAL_NETWORK_ID);
if (value.length > 0) {
......@@ -2236,7 +2235,7 @@ getStreamManager(callback: AsyncCallback\<AudioStreamManager>): void
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
let audioStreamManager;
audioManager.getStreamManager((err, data) => {
if (err) {
......@@ -2265,8 +2264,8 @@ getStreamManager(): Promise<AudioStreamManager\>
**示例：**
```js
var audioManager = audio.getAudioManager();
var audioStreamManager;
let audioManager = audio.getAudioManager();
let audioStreamManager;
audioManager.getStreamManager().then((data) => {
audioStreamManager = data;
console.info('getStreamManager: Success!');
......@@ -3116,7 +3115,7 @@ getDevices(deviceFlag: DeviceFlag, callback: AsyncCallback&lt;AudioDeviceDescrip
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
audioManager.getRoutingManager((err,AudioRoutingManager)=>{
if (err) {
console.error(`AudioFrameworkTest:Callback:failed to get RoutingManager ${err}`);
......@@ -3155,7 +3154,7 @@ getDevices(deviceFlag: DeviceFlag): Promise&lt;AudioDeviceDescriptors&gt;
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
audioManager.getRoutingManager((err,AudioRoutingManager)=>{
if (err) {
console.error(`AudioFrameworkTest:Callback:failed to get RoutingManager ${err}`);
......@@ -3187,7 +3186,7 @@ on(type: 'deviceChange', deviceFlag: DeviceFlag, callback: Callback<DeviceChange
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
audioManager.getRoutingManager((err,AudioRoutingManager)=>{
if (err) {
console.error(`AudioFrameworkTest:Callback:failed to get RoutingManager ${err}`);
......@@ -3221,7 +3220,7 @@ off(type: 'deviceChange', callback?: Callback<DeviceChangeAction\>): void
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
audioManager.getRoutingManager((err,AudioRoutingManager)=>{
if (err) {
console.error(`AudioFrameworkTest:Callback:failed to get RoutingManager ${err}`);
......@@ -3252,13 +3251,13 @@ selectInputDevice(inputAudioDevices: AudioDeviceDescriptors, callback: AsyncCall
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
let inputAudioDeviceDescriptor = [{
"deviceRole":audio.DeviceRole.INPUT_DEVICE,
"networkId":audio.LOCAL_NETWORK_ID,
"interruptGroupId":1,
"volumeGroupId":1 }];
var audioRoutingManager;
let audioRoutingManager;
async function getRoutingManager(){
await audioManager.getRoutingManager().then((value) => {
......@@ -3293,7 +3292,7 @@ on(type: 'micStateChange', callback: Callback&lt;MicStateChangeEvent&gt;): void
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
audioManager.getRoutingManager.on('micStateChange', (micStateChange) => {
console.info(`Current microphone status is: ${micStateChange.mute} `);
});
......@@ -3324,13 +3323,13 @@ selectInputDevice(inputAudioDevices: AudioDeviceDescriptors): Promise&lt;void&gt
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
let inputAudioDeviceDescriptor =[{
"deviceRole":audio.DeviceRole.INPUT_DEVICE,
"networkId":audio.LOCAL_NETWORK_ID,
"interruptGroupId":1,
"volumeGroupId":1 }];
var audioRoutingManager;
let audioRoutingManager;
async function getRoutingManager(){
await audioManager.getRoutingManager().then((value) => {
......@@ -3363,13 +3362,13 @@ selectOutputDevice(outputAudioDevices: AudioDeviceDescriptors, callback: AsyncCa
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
let outputAudioDeviceDescriptor = [{
"deviceRole":audio.DeviceRole.OUTPUT_DEVICE,
"networkId":audio.LOCAL_NETWORK_ID,
"interruptGroupId":1,
"volumeGroupId":1 }];
var audioRoutingManager;
let audioRoutingManager;
async function getRoutingManager(){
await audioManager.getRoutingManager().then((value) => {
......@@ -3409,13 +3408,13 @@ selectOutputDevice(outputAudioDevices: AudioDeviceDescriptors): Promise&lt;void&
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
let outputAudioDeviceDescriptor =[{
"deviceRole":audio.DeviceRole.OUTPUT_DEVICE,
"networkId":audio.LOCAL_NETWORK_ID,
"interruptGroupId":1,
"volumeGroupId":1 }];
var audioRoutingManager;
let audioRoutingManager;
async function getRoutingManager(){
await audioManager.getRoutingManager().then((value) => {
......@@ -3449,7 +3448,7 @@ selectOutputDeviceByFilter(filter: AudioRendererFilter, outputAudioDevices: Audi
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
let outputAudioRendererFilter = {
"uid":20010041,
"rendererInfo": {
......@@ -3462,7 +3461,7 @@ let outputAudioDeviceDescriptor = [{
"networkId":audio.LOCAL_NETWORK_ID,
"interruptGroupId":1,
"volumeGroupId":1 }];
var audioRoutingManager;
let audioRoutingManager;
async function getRoutingManager(){
await audioManager.getRoutingManager().then((value) => {
......@@ -3503,7 +3502,7 @@ selectOutputDeviceByFilter(filter: AudioRendererFilter, outputAudioDevices: Audi
**示例：**
```js
var audioManager = audio.getAudioManager();
let audioManager = audio.getAudioManager();
let outputAudioRendererFilter = {
"uid":20010041,
"rendererInfo": {
......@@ -3516,7 +3515,7 @@ let outputAudioDeviceDescriptor = [{
"networkId":audio.LOCAL_NETWORK_ID,
"interruptGroupId":1,
"volumeGroupId":1 }];
var audioRoutingManager;
let audioRoutingManager;
async function getRoutingManager(){
await audioManager.getRoutingManager().then((value) => {
......@@ -3554,9 +3553,9 @@ AudioRenderChangeInfo数组，只读。
```js
import audio from '@ohos.multimedia.audio';
var audioStreamManager;
var resultFlag = false;
var audioManager = audio.getAudioManager();
let audioStreamManager;
let resultFlag = false;
let audioManager = audio.getAudioManager();
audioManager.getStreamManager((err, data) => {
if (err) {
......@@ -3630,7 +3629,7 @@ audioManager.getStreamManager((err, data) => {
}
});
var resultFlag = false;
let resultFlag = false;
audioStreamManager.on('audioCapturerChange', (AudioCapturerChangeInfoArray) => {
for (let i = 0; i < AudioCapturerChangeInfoArray.length; i++) {
console.info(`## CapChange on is called for element ${i} ##`);
......@@ -3692,8 +3691,8 @@ function displayDeviceProp(value) {
deviceTypeValue = value.deviceType;
}
var deviceRoleValue = null;
var deviceTypeValue = null;
let deviceRoleValue = null;
let deviceTypeValue = null;
const promise = audio.getAudioManager().getDevices(1);
promise.then(function (value) {
console.info('AudioFrameworkTest: Promise: getDevices OUTPUT_DEVICES_FLAG');
......@@ -3745,7 +3744,7 @@ let outputAudioRendererFilter = {
**示例：**
```js
var state = audioRenderer.state;
let state = audioRenderer.state;
```
### getRendererInfo<sup>8+</sup>
......@@ -4122,7 +4121,7 @@ write(buffer: ArrayBuffer, callback: AsyncCallback\<number>): void
**示例：**
```js
var bufferSize;
let bufferSize;
audioRenderer.getBufferSize().then((data)=> {
console.info(`AudioFrameworkRenderLog: getBufferSize: SUCCESS ${data}`);
bufferSize = data;
......@@ -4130,12 +4129,12 @@ audioRenderer.getBufferSize().then((data)=> {
console.error(`AudioFrameworkRenderLog: getBufferSize: ERROR: ${err}`);
});
console.info(`Buffer size: ${bufferSize}`);
var context = featureAbility.getContext();
var path;
let context = featureAbility.getContext();
let path;
async function getCacheDir(){
path = await context.getCacheDir();
}
var filePath = path + '/StarWars10s-2C-48000-4SW.wav';
let filePath = path + '/StarWars10s-2C-48000-4SW.wav';
let ss = fileio.createStreamSync(filePath, 'r');
let buf = new ArrayBuffer(bufferSize);
ss.readSync(buf);
......@@ -4165,7 +4164,7 @@ write(buffer: ArrayBuffer): Promise\<number>
**示例：**
```js
var bufferSize;
let bufferSize;
audioRenderer.getBufferSize().then((data) => {
console.info(`AudioFrameworkRenderLog: getBufferSize: SUCCESS ${data}`);
bufferSize = data;
......@@ -4173,12 +4172,12 @@ audioRenderer.getBufferSize().then((data) => {
console.info(`AudioFrameworkRenderLog: getBufferSize: ERROR: ${err}`);
});
console.info(`BufferSize: ${bufferSize}`);
var context = featureAbility.getContext();
var path;
let context = featureAbility.getContext();
let path;
async function getCacheDir(){
path = await context.getCacheDir();
}
var filePath = path + '/StarWars10s-2C-48000-4SW.wav';
let filePath = path + '/StarWars10s-2C-48000-4SW.wav';
let ss = fileio.createStreamSync(filePath, 'r');
let buf = new ArrayBuffer(bufferSize);
ss.readSync(buf);
......@@ -4256,7 +4255,7 @@ getBufferSize(callback: AsyncCallback\<number>): void
**示例：**
```js
var bufferSize = audioRenderer.getBufferSize(async(err, bufferSize) => {
let bufferSize = audioRenderer.getBufferSize(async(err, bufferSize) => {
if (err) {
console.error('getBufferSize error');
}
......@@ -4280,7 +4279,7 @@ getBufferSize(): Promise\<number>
**示例：**
```js
var bufferSize;
let bufferSize;
audioRenderer.getBufferSize().then((data) => {
console.info(`AudioFrameworkRenderLog: getBufferSize: SUCCESS ${data}`);
bufferSize = data;
......@@ -4465,8 +4464,8 @@ on(type: 'interrupt', callback: Callback\<InterruptEvent>): void
**示例：**
```js
var isPlay;
var started;
let isPlay;
let started;
audioRenderer.on('interrupt', async(interruptEvent) => {
if (interruptEvent.forceType == audio.InterruptForceType.INTERRUPT_FORCE) {
switch (interruptEvent.hintType) {
......@@ -4648,7 +4647,7 @@ audioRenderer.on('stateChange', (state) => {
**示例：**
```js
var state = audioCapturer.state;
let state = audioCapturer.state;
```
### getCapturerInfo<sup>8+</sup>
......@@ -4925,7 +4924,7 @@ release(): Promise<void\>
**示例：**
```js
var stateFlag;
let stateFlag;
audioCapturer.release().then(() => {
console.info('AudioFrameworkRecLog: ---------RELEASE RECORD---------');
console.info('AudioFrameworkRecLog: Capturer release : SUCCESS');
......@@ -4956,7 +4955,7 @@ read(size: number, isBlockingRead: boolean, callback: AsyncCallback<ArrayBuffer\
**示例：**
```js
var bufferSize;
let bufferSize;
audioCapturer.getBufferSize().then((data) => {
console.info(`AudioFrameworkRecLog: getBufferSize: SUCCESS ${data}`);
bufferSize = data;
......@@ -4995,7 +4994,7 @@ read(size: number, isBlockingRead: boolean): Promise<ArrayBuffer\>
**示例：**
```js
var bufferSize;
let bufferSize;
audioCapturer.getBufferSize().then((data) => {
console.info(`AudioFrameworkRecLog: getBufferSize: SUCCESS ${data}`);
bufferSize = data;
......@@ -5106,7 +5105,7 @@ getBufferSize(): Promise<number\>
**示例：**
```js
var bufferSize;
let bufferSize;
audioCapturer.getBufferSize().then((data) => {
console.info(`AudioFrameworkRecLog: getBufferSize :SUCCESS ${data}`);
bufferSize = data;
......
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