| src | string | Yes | Yes | Audio media URI. The mainstream audio formats (MPEG-4, AAC, MPEG-3, OGG, and WAV) are supported.<br>**Example of supported URIs**:<br>1. FD playback: fd://xx<br><br>2. HTTP network playback: http://xx<br>3. HTTPS network playback: https://xx<br>**Note**:<br>To use media materials, you must declare the read permission. Otherwise, the media materials cannot be played properly.|
| src | string | Yes | Yes | Audio file URI. The mainstream audio formats (M4A, AAC, MPEG-3, OGG, and WAV) are supported.<br>**Examples of supported URI schemes**:<br>1. FD: fd://xx<br><br>2. HTTP: http://xx<br>3. HTTPS: https://xx<br>4. HLS: http://xx or https://xx<br>**Required permissions**: ohos.permission.READ_MEDIA and ohos.permission.INTERNET (The latter is required only when online resources are used.)|
| fdSrc<sup>9+</sup> | [AVFileDescriptor](#interruptmode9) | Yes | Yes | Description of the audio file. This attribute is required when audio resources of an application are continuously stored in a file.<br>**Example:**<br>Assume that a music file that stores continuous music resources consists of the following:<br>Music 1 (address offset: 0, byte length: 100)<br>Music 2 (address offset: 101; byte length: 50)<br>Music 3 (address offset: 151, byte length: 150)<br>1. To play music 1: AVFileDescriptor {fd = resource handle; offset = 0; length = 100; }<br>2. To play music 2: AVFileDescriptor {fd = resource handle; offset = 101; length = 50; }<br>3. To play music 3: AVFileDescriptor {fd = resource handle; offset = 151; length = 150; }<br>If the file is an independent music file, use **src=fd://xx**.<br><br>**Required permissions**: ohos.permission.READ_MEDIA|
| 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. |
| currentTime | number | Yes | No | Current audio playback position, in ms. |
| duration | number | Yes | No | Audio duration, in ms. |
| 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()**.|
### play<a name=audioplayer_play></a>
play(): void
...
...
@@ -501,7 +505,7 @@ Subscribes to the audio buffering update event.
| type | string | Yes | Event type, which is 'bufferingUpdate' in this case. |
| type | string | Yes | Event type, which is **'bufferingUpdate'** in this case. |
| callback | function | Yes | Callback invoked when the event is triggered.<br>When [BufferingInfoType](#bufferinginfotype8) is set to **BUFFERING_PERCENT** or **CACHED_DURATION**, **value** is valid. Otherwise, **value** is fixed at **0**.|
**Example**
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@@ -590,7 +594,7 @@ audioPlayer.src = fdPath; // Set the src attribute and trigger the 'dataLoad' e
| type | string | Yes | Event type, which is 'timeUpdate' in this case.<br>The 'timeUpdate' event is triggered when the [seek()](#audioplayer_seek) API is called.|
| type | string | Yes | Event type, which is **'timeUpdate'** in this case.<br>The **'timeUpdate'** event is triggered when the [seek()](#audioplayer_seek) API is called. |
| callback | Callback\<number> | Yes | Callback invoked when the event is triggered. The input parameter of the callback is the time when the seek operation is successful. |
**Example**
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@@ -618,7 +622,7 @@ audioPlayer.seek(30000); // Seek to 30000 ms.
on(type: 'error', callback: ErrorCallback): void
Subscribes to the audio playback error event.
Subscribes to audio playback error events. After an error event is reported, you must handle the event and exit the playback.
| type | string | Yes | Event type, which is 'error' in this case.<br>The 'error' event is triggered when an error occurs during audio playback.|
| type | string | Yes | Event type, which is **'error'** in this case.<br>The **'error'** event is triggered when an error occurs during audio playback. |
| callback | ErrorCallback | Yes | Callback invoked when the event is triggered. |
**Example**
```js
audioPlayer.on('error',(error)=>{// Set the error event callback.
audioPlayer.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.
...
...
@@ -647,13 +651,38 @@ Enumerates the audio playback states. You can obtain the state through the **sta
| fd | number | Yes | Resource handle, which is obtained by calling **resourceManager.getRawFileDescriptor**. |
| offset | number | Yes | Resource offset, which needs to be entered based on the preset resource information. An invalid value causes a failure to parse audio and video resources.|
| length | number | Yes | Resource length, which needs to be entered based on the preset resource information. An invalid value causes a failure to parse audio and video resources.|
Provides APIs to manage and play video. Before calling an API of **VideoPlayer**, you must call [createVideoPlayer()](#mediacreatevideoplayer8) to create a [VideoPlayer](#videoplayer8) instance.
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@@ -666,13 +695,16 @@ For details about the video playback demo, see [Video Playback Development](../.
| 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><br>2. HTTP network playback: http://xx<br>3. HTTPS network playback: https://xx<br>3. 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.|
| 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><br>2. HTTP: http://xx<br>3. HTTPS: https://xx<br>4. HLS: http://xx or https://xx<br>**Required permissions**: ohos.permission.READ_MEDIA and ohos.permission.INTERNET (The latter is required only when online resources are used.)|
| fdSrc<sup>9+</sup> | [AVFileDescriptor](#interruptmode9) | Yes| Yes| Description of a video file. This attribute is required when video resources of an application are continuously stored in a file.<br>**Example:**<br>Assume that a music file that stores continuous music resources consists of the following:<br>Video 1 (address offset: 0, byte length: 100)<br>Video 2 (address offset: 101; byte length: 50)<br>Video 3 (address offset: 151, byte length: 150)<br>1. To play video 1: AVFileDescriptor {fd = resource handle; offset = 0; length = 100; }<br>2. To play video 2: AVFileDescriptor {fd = resource handle; offset = 101; length = 50; }<br>3. To play video 3: AVFileDescriptor {fd = resource handle; offset = 151; length = 150; }<br>To play an independent video file, use **src=fd://xx**.<br>**Note**:<br>**Required permissions**: ohos.permission.READ_MEDIA|
| 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 streaming mode. |
Selects a bit rate from available bit rates. This API uses a callback to return the result. The available bit rates can be obtained by calling [availableBitrateCollected](#on('availableBitrateCollected')<sup>9+</sup>).
Selects a bit rate from available ones, which can be obtained by calling [availableBitratesCollect](#onavailablebitratescollect9). This API uses an asynchronous callback to return the result.
Selects a bit rate from available bit rates. This API uses a promise to return the result. The available bit rates can be obtained by calling [availableBitrateCollected](#on('availableBitrateCollected')<sup>9+</sup>).
Selects a bit rate from available ones, which can be obtained by calling [availableBitratesCollect](#onavailablebitratescollect9). This API uses a promise to return the result.
| type | string | Yes | Event type, which is 'bufferingUpdate' in this case. |
| type | string | Yes | Event type, which is **'bufferingUpdate'** in this case. |
| callback | function | Yes | Callback invoked when the event is triggered.<br>When [BufferingInfoType](#bufferinginfotype8) is set to **BUFFERING_PERCENT** or **CACHED_DURATION**, **value** is valid. Otherwise, **value** is fixed at **0**.|
**Example**
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@@ -1448,7 +1480,7 @@ Subscribes to the frame rendering start event.
| type | string | Yes | Event type, which is 'videoSizeChanged' in this case.|
| type | string | Yes | Event type, which is **'videoSizeChanged'** in this case. |
| callback | function | Yes | Callback invoked when the event is triggered. **width** indicates the video width, and **height** indicates the video height. |
| type | string | Yes | Event type, which is 'error' in this case.<br>The 'error' event is triggered when an error occurs during video playback.|
| type | string | Yes | Event type, which is **'error'** in this case.<br>The **'error'** event is triggered when an error occurs during video playback. |
| callback | ErrorCallback | Yes | Callback invoked when the event is triggered. |
**Example**
...
...
@@ -1506,12 +1538,12 @@ 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.url='fd://error';// Set an incorrect URL to trigger the 'error' event.
| type | string | Yes | Event type. The following events are supported: 'prepare'\|'start'\| 'pause' \| 'resume' \|'stop'\|'release'\|'reset'<br>- The 'prepare' event is triggered when the [prepare](#audiorecorder_prepare) API is called and the audio recording parameters are set.<br>- The 'start' event is triggered when the [start](#audiorecorder_start) API is called and audio recording starts.<br>- The 'pause' event is triggered when the [pause](#audiorecorder_pause) API is called and audio recording is paused.<br>- The 'resume' event is triggered when the [resume](#audiorecorder_resume) API is called and audio recording is resumed.<br>- The 'stop' event is triggered when the [stop](#audiorecorder_stop) API is called and audio recording stops.<br>- The 'release' event is triggered when the [release](#audiorecorder_release) API is called and the recording resource is released.<br>- The 'reset' event is triggered when the [reset](#audiorecorder_reset) API is called and audio recording is reset.|
| type | string | Yes | Event type. The following events are supported:<br>- 'prepare': triggered when the [prepare](#audiorecorder_prepare) API is called and the audio recording parameters are set.<br>- 'start': triggered when the [start](#audiorecorder_start) API is called and audio recording starts.<br>- 'pause': triggered when the [pause](#audiorecorder_pause) API is called and audio recording is paused.<br>- 'resume': triggered when the [resume](#audiorecorder_resume) API is called and audio recording is resumed.<br>- 'stop': triggered when the [stop](#audiorecorder_stop) API is called and audio recording stops.<br>- 'release': triggered when the [release](#audiorecorder_release) API is called and the recording resource is released.<br>- 'reset': triggered when the [reset](#audiorecorder_reset) API is called and audio recording is reset. |
| callback | ()=>void | Yes | Callback invoked when the event is triggered. |
**Example**
...
...
@@ -1781,41 +1824,41 @@ let audioRecorderConfig = {
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.
audioRecorder.on('error',(error)=>{// Set the 'error' event callback.
console.info(`audio error called, errName is ${error.name}`);
console.info(`audio error called, errCode is ${error.code}`);
console.info(`audio error called, errMessage is ${error.message}`);
});
audioRecorder.on('prepare',()=>{// Set the prepare event callback.
audioRecorder.on('prepare',()=>{// Set the 'prepare' event callback.
console.log('prepare success');
audioRecorder.start();// Start recording and trigger the start event callback.
audioRecorder.start();// Start recording and trigger the 'start' event callback.
});
audioRecorder.on('start',()=>{// Set the start event callback.
audioRecorder.on('start',()=>{// Set the 'start' event callback.
console.log('audio recorder start success');
});
audioRecorder.on('pause',()=>{// Set the pause event callback.
audioRecorder.on('pause',()=>{// Set the 'pause' event callback.
console.log('audio recorder pause success');
});
audioRecorder.on('resume',()=>{// Set the resume event callback.
audioRecorder.on('resume',()=>{// Set the 'resume' event callback.
console.log('audio recorder resume success');
});
audioRecorder.on('stop',()=>{// Set the stop event callback.
audioRecorder.on('stop',()=>{// Set the 'stop' event callback.
console.log('audio recorder stop success');
});
audioRecorder.on('release',()=>{// Set the release event callback.
audioRecorder.on('release',()=>{// Set the 'release' event callback.
console.log('audio recorder release success');
});
audioRecorder.on('reset',()=>{// Set the reset event callback.
audioRecorder.on('reset',()=>{// Set the 'reset' event callback.
console.log('audio recorder reset success');
});
audioRecorder.prepare(audioRecorderConfig)// Set recording parameters and trigger the prepare event callback.
audioRecorder.prepare(audioRecorderConfig)// Set recording parameters and trigger the 'prepare' event callback.
```
### on('error')
on(type: 'error', callback: ErrorCallback): void
Subscribes to the audio recording error event.
Subscribes to audio recording error events. After an error event is reported, you must handle the event and exit the recording.
| type | string | Yes | Event type, which is 'error' in this case.<br>The 'error' event is triggered when an error occurs during audio recording.|
| type | string | Yes | Event type, which is **'error'** in this case.<br>The **'error'** event is triggered when an error occurs during audio recording. |
| callback | ErrorCallback | Yes | Callback invoked when the event is triggered. |
**Example**
```js
audioRecorder.on('error',(error)=>{// Set the error event callback.
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.
});
audioRecorder.prepare();// Do no set any parameter in prepare and trigger the error event callback.
audioRecorder.prepare();// Do no set any parameter in prepare and trigger the 'error' event callback.
Starts video recording in asynchronous mode. This API uses a callback to return the result.
This API can be called only after [prepare()](#videorecorder_prepare1) and [getInputSurface()](#getinputsurface8) are called, because the data source must pass data to the surface first.
This API can be called only after [prepare()](#videorecorder_prepare1) and [getInputSurface()](#getinputsurface9) are called, because the data source must pass data to the surface first.
Starts video recording in asynchronous mode. This API uses a promise to return the result.
This API can be called only after [prepare()](#videorecorder_prepare1) and [getInputSurface()](#getinputsurface8) are called, because the data source must pass data to the surface first.
This API can be called only after [prepare()](#videorecorder_prepare1) and [getInputSurface()](#getinputsurface9) are called, because the data source must pass data to the surface first.
| type | string | Yes | Event type, which is 'error' in this case.<br>The 'error' event is triggered when an error occurs during video recording.|
| type | string | Yes | Event type, which is **'error'** in this case.<br>The **'error'** event is triggered when an error occurs during video recording. |
| callback | ErrorCallback | Yes | Callback invoked when the event is triggered. |
**Example**
```js
videoRecorder.on('error',(error)=>{// Set the error event callback.
videoRecorder.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.
...
...
@@ -2485,7 +2528,7 @@ Describes the video recording parameters.
| rotation | number | No | Rotation angle of the recorded video. |
| location | [Location](#location) | No | Geographical location of the recorded video. |
| url | string | Yes | Video output URL. Supported: fd://xx (fd number)<br><br>The file must be created by the caller and granted with proper permissions.|
