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提交 6a8f9a61 编写于 作者: W wusongqing
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update docs against 8520 

Signed-off-by: Nwusongqing <wusongqing@huawei.com>
上级 d8d6fa32
隐藏空白更改
内联 并排
Showing with 53 addition and 53 deletion
en/application-dev/media/audio-capturer.md
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......@@ -22,24 +22,24 @@ For details about the APIs, see [AudioCapturer in Audio Management](../reference
```js
var audioStreamInfo = {
samplingRate: audio.AudioSamplingRate.SAMPLE_RATE_44100,
channels: audio.AudioChannel.CHANNEL_1,
sampleFormat: audio.AudioSampleFormat.SAMPLE_FORMAT_S16LE,
encodingType: audio.AudioEncodingType.ENCODING_TYPE_RAW
}
samplingRate: audio.AudioSamplingRate.SAMPLE_RATE_44100,
channels: audio.AudioChannel.CHANNEL_1,
sampleFormat: audio.AudioSampleFormat.SAMPLE_FORMAT_S16LE,
encodingType: audio.AudioEncodingType.ENCODING_TYPE_RAW
}
var audioCapturerInfo = {
source: audio.SourceType.SOURCE_TYPE_MIC,
capturerFlags: 1
}
var audioCapturerInfo = {
source: audio.SourceType.SOURCE_TYPE_MIC,
capturerFlags: 1
}
var audioCapturerOptions = {
streamInfo: audioStreamInfo,
capturerInfo: audioCapturerInfo
}
var audioCapturerOptions = {
streamInfo: audioStreamInfo,
capturerInfo: audioCapturerInfo
}
let audioCapturer = await audio.createAudioCapturer(audioCapturerOptions);
var state = audioRenderer.state;
let audioCapturer = await audio.createAudioCapturer(audioCapturerOptions);
var state = audioRenderer.state;
```
2. (Optional) Use **on('stateChange')** to subscribe to audio renderer state changes.
......@@ -49,26 +49,26 @@ If an application needs to perform some operations when the audio renderer state
audioCapturer.on('stateChange',(state) => {
console.info('AudioCapturerLog: Changed State to : ' + state)
switch (state) {
case audio.AudioState.STATE_PREPARED:
console.info('--------CHANGE IN AUDIO STATE----------PREPARED--------------');
console.info('Audio State is : Prepared');
break;
case audio.AudioState.STATE_RUNNING:
console.info('--------CHANGE IN AUDIO STATE----------RUNNING--------------');
console.info('Audio State is : Running');
break;
case audio.AudioState.STATE_STOPPED:
console.info('--------CHANGE IN AUDIO STATE----------STOPPED--------------');
console.info('Audio State is : stopped');
break;
case audio.AudioState.STATE_RELEASED:
console.info('--------CHANGE IN AUDIO STATE----------RELEASED--------------');
console.info('Audio State is : released');
break;
default:
console.info('--------CHANGE IN AUDIO STATE----------INVALID--------------');
console.info('Audio State is : invalid');
break;
case audio.AudioState.STATE_PREPARED:
console.info('--------CHANGE IN AUDIO STATE----------PREPARED--------------');
console.info('Audio State is : Prepared');
break;
case audio.AudioState.STATE_RUNNING:
console.info('--------CHANGE IN AUDIO STATE----------RUNNING--------------');
console.info('Audio State is : Running');
break;
case audio.AudioState.STATE_STOPPED:
console.info('--------CHANGE IN AUDIO STATE----------STOPPED--------------');
console.info('Audio State is : stopped');
break;
case audio.AudioState.STATE_RELEASED:
console.info('--------CHANGE IN AUDIO STATE----------RELEASED--------------');
console.info('Audio State is : released');
break;
default:
console.info('--------CHANGE IN AUDIO STATE----------INVALID--------------');
console.info('Audio State is : invalid');
break;
}
});
```
......@@ -80,9 +80,9 @@ If an application needs to perform some operations when the audio renderer state
```js
await audioCapturer.start();
if (audioCapturer.state == audio.AudioState.STATE_RUNNING) {
console.info('AudioRecLog: Capturer started');
console.info('AudioRecLog: Capturer started');
} else {
console.info('AudioRecLog: Capturer start failed');
console.info('AudioRecLog: Capturer start failed');
}
```
......@@ -103,29 +103,29 @@ If an application needs to perform some operations when the audio renderer state
const path = '/data/data/.pulse_dir/capture_js.wav';
let fd = fileio.openSync(path, 0o102, 0o777);
if (fd !== null) {
console.info('AudioRecLog: file fd created');
console.info('AudioRecLog: file fd created');
}
else{
console.info('AudioRecLog: file fd create : FAILED');
return;
console.info('AudioRecLog: file fd create : FAILED');
return;
}
fd = fileio.openSync(path, 0o2002, 0o666);
if (fd !== null) {
console.info('AudioRecLog: file fd opened in append mode');
console.info('AudioRecLog: file fd opened in append mode');
}
var numBuffersToCapture = 150;
while (numBuffersToCapture) {
var buffer = await audioCapturer.read(bufferSize, true);
if (typeof(buffer) == undefined) {
console.info('read buffer failed');
} else {
var number = fileio.writeSync(fd, buffer);
console.info('AudioRecLog: data written: ' + number);
}
var buffer = await audioCapturer.read(bufferSize, true);
if (typeof(buffer) == undefined) {
console.info('read buffer failed');
} else {
var number = fileio.writeSync(fd, buffer);
console.info('AudioRecLog: data written: ' + number);
}
numBuffersToCapture--;
numBuffersToCapture--;
}
```
......@@ -134,9 +134,9 @@ If an application needs to perform some operations when the audio renderer state
```
await audioCapturer.stop();
if (audioCapturer.state == audio.AudioState.STATE_STOPPED) {
console.info('AudioRecLog: Capturer stopped');
console.info('AudioRecLog: Capturer stopped');
} else {
console.info('AudioRecLog: Capturer stop failed');
console.info('AudioRecLog: Capturer stop failed');
}
```
......@@ -145,8 +145,8 @@ If an application needs to perform some operations when the audio renderer state
```js
await audioCapturer.release();
if (audioCapturer.state == audio.AudioState.STATE_RELEASED) {
console.info('AudioRecLog: Capturer released');
console.info('AudioRecLog: Capturer released');
} else {
console.info('AudioRecLog: Capturer release failed');
console.info('AudioRecLog: Capturer release failed');
}
```
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