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Instance Methods | Public 属性 | Protected 属性 | 属性 | 所有成员列表
CDLongAudioSource类 参考
CDLongAudioSource represents an audio source that has a long duration which makes it costly to load into memory for playback as an effect using CDSoundEngine. 更多…
#import
类 CDLongAudioSource 继承关系图:
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## Instance Methods
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| (void) | - load: |
| | 加载文件到音频源中 更多…
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| (void) | - play |
| | 播放音频源 更多…
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| (void) | - stop |
| | 停止播放音频源 更多…
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| (void) | - pause |
| | 暂停播放音频源 更多…
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| (void) | - rewind |
| | 将音频源倒放 更多…
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| (void) | - resume |
| | 恢复暂停播放的音频源 更多…
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| (BOOL) | - isPlaying |
| | 音频源是否在播放中 更多…
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| (void) | - load: |
| | Loads the file into the audio source. 更多…
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| (void) | - play |
| | Plays the audio source. 更多…
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| (void) | - stop |
| | Stops playing the audio soruce. 更多…
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| (void) | - pause |
| | Pauses the audio source. 更多…
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| (void) | - rewind |
| | Rewinds the audio source. 更多…
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| (void) | - resume |
| | Resumes playing the audio source if it was paused. 更多…
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| (BOOL) | - isPlaying |
| | Returns whether or not the audio source is playing. 更多…
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 Instance Methods 继承自 <CDAudioInterruptProtocol> |
| (BOOL) | - mute |
| | Is audio mute. 更多…
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| (void) | - setMute: |
| | If YES then audio is silenced but not stopped, calls to start new audio will proceed but silently. 更多…
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| (BOOL) | - enabled |
| | Is audio enabled. 更多…
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| (void) | - setEnabled: |
| | If NO then all audio is stopped and any calls to start new audio will be ignored. 更多…
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| (BOOL) | - mute |
| | Is audio mute. 更多…
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| (void) | - setMute: |
| | If YES then audio is silenced but not stopped, calls to start new audio will proceed but silently. 更多…
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| (BOOL) | - enabled |
| | Is audio enabled. 更多…
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| (void) | - setEnabled: |
| | If NO then all audio is stopped and any calls to start new audio will be ignored. 更多…
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详细描述
CDLongAudioSource represents an audio source that has a long duration which makes it costly to load into memory for playback as an effect using CDSoundEngine.
Examples include background music and narration tracks. The audio file may or may not be compressed. Bear in mind that current iDevices can only use hardware to decode a single compressed audio file at a time and playing multiple compressed files will result in a performance drop as software decompression will take place. CDLongAudioSource表示的是需要花费较长时间来加载音频文件到内存中，并且使用CDSoundEngine来播放的音频源。比如： 背景音乐或者叙述性的语音。这类的语音文件有可能被压缩，目前的设备只能硬解码单个的这类文件，如果同时播放多个这类 文件只能通过软解码来代替。
Examples include background music and narration tracks. The audio file may or may not be compressed. Bear in mind that current iDevices can only use hardware to decode a single compressed audio file at a time and playing multiple compressed files will result in a performance drop as software decompression will take place.
Method Documentation
Returns whether or not the audio source is playing.
音频源是否在播放中
| - (void) load: | | (NSString *) | filePath | |
Loads the file into the audio source.
| - (void) load: | | (NSString *) | filePath | |
加载文件到音频源中
Pauses the audio source.
暂停播放音频源
Plays the audio source.
播放音频源
Resumes playing the audio source if it was paused.
恢复暂停播放的音频源
Rewinds the audio source.
将音频源倒放
Stops playing the audio soruce.
停止播放音频源
类成员变量说明
| - (NSTimeInterval) systemPauseLocation |
属性说明
| - (NSString *) audioSourceFilePath |
| readatomicassign |
| - (AVAudioPlayer *) audioSourcePlayer |
| readatomicassign |
| - (NSInteger) numberOfLoops |
| readwritenonatomicassign |
该类的文档由以下文件生成:
1.8.6 
