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未验证 提交 485ac488 编写于 作者: O openharmony_ci 提交者： Gitee
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!15555 翻译完成：15020+14661 js-apis-media.md 

Merge pull request !15555 from wusongqing/TR15020
上级 2f095629 6b5b702c
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en/application-dev/reference/apis/js-apis-media.md
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......@@ -105,7 +105,7 @@ media.createVideoPlayer().then((video) => {
createAudioRecorder(): AudioRecorder
Creates an **AudioRecorder** instance to control audio recording.
Only one **AudioRecorder** instance can be created per device.
Only one **AudioRecorder** instance can be created for a device.
**System capability**: SystemCapability.Multimedia.Media.AudioRecorder
......@@ -213,13 +213,13 @@ For details about the audio playback demo, see [Audio Playback Development](../.
**System capability**: SystemCapability.Multimedia.Media.AudioPlayer
| Name | Type | Readable| Writable| Description |
| ------------------------------- | ----------------------------------- | ---- | ---- | ------------------------------------------------------------ |
| src | string | Yes | Yes | Audio file URI. The mainstream audio formats (MPEG-4, MPEG-TS, WebM, and MKV) are supported.<br>**Examples of supported URI schemes**:<br>1. FD: fd://xx<br>![](figures/en-us_image_url.png)<br>2. HTTP: http://xx<br>3. HTTPS: https://xx<br>4. HLS: http://xx or https://xx<br>**NOTE**<br>To use media materials, you must declare the read permission. Otherwise, the media materials cannot be played properly.|
| loop | boolean | Yes | Yes | Whether to loop audio playback. The value **true** means to loop audio playback, and **false** means the opposite. |
| currentTime | number | Yes | No | Current audio playback position. |
| duration | number | Yes | No | Audio duration. |
| state | [AudioState](#audiostate) | Yes | No | Audio playback state. This state cannot be used as the condition for triggering the call of **play()**, **pause()**, or **stop()**.|
| Name | Type | Readable| Writable| Description |
| ----------- | ------------------------- | ---- | ---- | ------------------------------------------------------------ |
| src | string | Yes | Yes | Audio file URI. The mainstream audio formats (MPEG-4, MPEG-TS, WebM, and MKV) are supported.<br>**Example of supported URIs**:<br>1. FD playback: fd://xx<br>![](figures/en-us_image_url.png)<br>2. HTTP network playback: http://xx<br>3. HTTPS network playback: https://xx<br>4. HLS network playback: http://xx or https://xx<br>**NOTE**<br>To use media materials, you must declare the read permission. Otherwise, the media materials cannot be played properly.|
| loop | boolean | Yes | Yes | Whether to loop audio playback. The value **true** means to loop audio playback, and **false** means the opposite. |
| currentTime | number | Yes | No | Current audio playback position. |
| duration | number | Yes | No | Audio duration. |
| state | [AudioState](#audiostate) | Yes | No | Audio playback state. |
### play<a name=audioplayer_play></a>
......@@ -512,7 +512,7 @@ audioPlayer.on('error', (error) => { // Set the 'error' event callback
console.info(`audio error called, errMessage is ${error.message}`);
});
// Set the FD (local playback) of the video file selected by the user.
// Set the FD (local playback) of the audio file selected by the user.
let fdPath = 'fd://'
// The stream in the path can be pushed to the device by running the "hdc file send D:\xxx\01.mp3 /data/accounts/account_0/appdata" command.
let path = '/data/accounts/account_0/appdata/ohos.xxx.xxx.xxx/01.mp3';
......@@ -559,7 +559,7 @@ audioPlayer.seek(30000); // Seek to 30000 ms.
on(type: 'error', callback: ErrorCallback): void
Subscribes to audio playback error events.
Subscribes to the audio playback error event.
**System capability**: SystemCapability.Multimedia.Media.AudioPlayer
......@@ -587,13 +587,13 @@ Enumerates the audio playback states. You can obtain the state through the **sta
**System capability**: SystemCapability.Multimedia.Media.AudioPlayer
| Name | Type | Description |
| ------------------ | ------ | ---------------------------------------------- |
| idle | string | No audio playback is in progress.|
| playing | string | Audio playback is in progress. |
| paused | string | Audio playback is paused. |
| stopped | string | Audio playback is stopped. |
| error<sup>8+</sup> | string | Audio playback is in the error state. |
| Name | Type | Description |
| ------------------ | ------ | -------------- |
| idle | string | The audio player is idle.|
| playing | string | Audio playback is in progress.|
| paused | string | Audio playback is paused.|
| stopped | string | Audio playback is stopped.|
| error<sup>8+</sup> | string | Audio playback is in the error state. |
## VideoPlayer<sup>8+</sup>
......@@ -607,13 +607,13 @@ For details about the video playback demo, see [Video Playback Development](../.
| Name | Type | Readable| Writable| Description |
| ------------------------ | ---------------------------------- | ---- | ---- | ------------------------------------------------------------ |
| url<sup>8+</sup> | string | Yes | Yes | Video media URL. The mainstream video formats (MPEG-4, MPEG-TS, WebM, and MKV) are supported.<br>**Example of supported URIs**:<br>1. FD: fd://xx<br>![](figures/en-us_image_url.png)<br>2. HTTP: http://xx<br>3. HTTPS: https://xx<br>4. HLS: http://xx or https://xx<br>**NOTE**<br>To use media materials, you must declare the read permission. Otherwise, the media materials cannot be played properly.|
| url<sup>8+</sup> | string | Yes | Yes | Video media URL. The mainstream video formats (MPEG-4, MPEG-TS, WebM, and MKV) are supported.<br>**Example of supported URIs**:<br>1. FD playback: fd://xx<br>![](figures/en-us_image_url.png)<br>2. HTTP network playback: http://xx<br>3. HTTPS network playback: https://xx<br>4. HLS network playback: http://xx or https://xx<br>**Note**:<br>To use media materials, you must declare the read permission. Otherwise, the media materials cannot be played properly.|
| loop<sup>8+</sup> | boolean | Yes | Yes | Whether to loop video playback. The value **true** means to loop video playback, and **false** means the opposite. |
| currentTime<sup>8+</sup> | number | Yes | No | Current video playback position. |
| duration<sup>8+</sup> | number | Yes | No | Video duration. The value **-1** indicates the live mode. |
| currentTime<sup>8+</sup> | number | Yes | No | Current video playback position. |
| duration<sup>8+</sup> | number | Yes | No | Video duration. The value **-1** indicates the live mode. |
| state<sup>8+</sup> | [VideoPlayState](#videoplaystate8) | Yes | No | Video playback state. |
| width<sup>8+</sup> | number | Yes | No | Video width. |
| height<sup>8+</sup> | number | Yes | No | Video height. |
| width<sup>8+</sup> | number | Yes | No | Video width. |
| height<sup>8+</sup> | number | Yes | No | Video height. |
### setDisplaySurface<sup>8+</sup>
......@@ -1352,7 +1352,7 @@ videoPlayer.on('videoSizeChanged', (width, height) => {
on(type: 'error', callback: ErrorCallback): void
Subscribes to video playback error events.
Subscribes to the video playback error event.
**System capability**: SystemCapability.Multimedia.Media.VideoPlayer
......@@ -1371,7 +1371,7 @@ videoPlayer.on('error', (error) => { // Set the 'error' event callback.
console.info(`video error called, errCode is ${error.code}`); // Print the error code.
console.info(`video error called, errMessage is ${error.message}`);// Print the detailed description of the error type.
});
videoPlayer.setVolume(3); // Set volume to an invalid value to trigger the 'error' event.
videoPlayer.setVolume(3); // Set volume to an invalid value to trigger the 'error' event.
```
## VideoPlayState<sup>8+</sup>
......@@ -1655,7 +1655,7 @@ audioRecorder.prepare(audioRecorderConfig)
on(type: 'error', callback: ErrorCallback): void
Subscribes to audio recording error events.
Subscribes to the audio recording error event.
**System capability**: SystemCapability.Multimedia.Media.AudioRecorder
......@@ -1669,12 +1669,19 @@ Subscribes to audio recording error events.
**Example**
```js
let audioRecorderConfig = {
audioEncoder : media.AudioEncoder.AAC_LC,
audioEncodeBitRate : 22050,
audioSampleRate : 22050,
numberOfChannels : 2,
format : media.AudioOutputFormat.AAC_ADTS,
uri : 'fd://xx', // The file must be created by the caller and granted with proper permissions.
location : { latitude : 30, longitude : 130},
}
audioRecorder.on('error', (error) => { // Set the 'error' event callback.
console.info(`audio error called, errName is ${error.name}`); // Print the error name.
console.info(`audio error called, errCode is ${error.code}`); // Print the error code.
console.info(`audio error called, errMessage is ${error.message}`); // Print the detailed description of the error type.
console.info(`audio error called, error: ${error}`);
});
audioRecorder.prepare(); // Do no set any parameter in prepare and trigger the 'error' event callback.
audioRecorder.prepare(audioRecorderConfig); // Set any parameter in prepare and trigger the 'error' event callback.
```
## AudioRecorderConfig
......@@ -1691,7 +1698,7 @@ Describes audio recording configurations.
| numberOfChannels | number | No | Number of audio channels. The default value is **2**. |
| format<sup>(deprecated)</sup> | [AudioOutputFormat](#audiooutputformat) | No | Audio output format. The default value is **MPEG_4**.<br>**Note**: This parameter is deprecated since API version 8. Use **fileFormat** instead. |
| location | [Location](#location) | No | Geographical location of the recorded audio. |
| uri | string | Yes | Audio output URI. Supported: fd://xx (fd number)<br>![](figures/en-us_image_url.png) <br>The file must be created by the caller and granted with proper permissions.|
| uri | string | Yes | Audio output URI. Supported: fd://xx (fd number)<br>![](figures/en-us_image_url.png)<br>The file must be created by the caller and granted with proper permissions.|
| audioEncoderMime<sup>8+</sup> | [CodecMimeType](#codecmimetype8) | No | Audio encoding format. |
| fileFormat<sup>8+</sup> | [ContainerFormatType](#containerformattype8) | No | Audio encoding format. |
......
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