我正在使用AVCam
苹果创建用于视频录制的自定义相机,但我想实现在录制时将视频静音的功能,任何人都知道吗?
问问题
1565 次
1 回答
1
AVURLAsset *asset = [[avPlayer currentItem] asset];
NSArray *audioTracks = [asset tracksWithMediaType:AVMediaTypeAudio];
// Mute all the audio tracks
NSMutableArray *allAudioParams = [NSMutableArray array];
for (AVAssetTrack *track in audioTracks) {
AVMutableAudioMixInputParameters *audioInputParams = [AVMutableAudioMixInputParameters audioMixInputParameters];
[audioInputParams setVolume:0.0 atTime:kCMTimeZero];
[audioInputParams setTrackID:[track trackID]];
[allAudioParams addObject:audioInputParams];
}
AVMutableAudioMix *audioZeroMix = [AVMutableAudioMix audioMix];
[audioZeroMix setInputParameters:allAudioParams];
[[avPlayer currentItem] setAudioMix:audioZeroMix];
另一种方式是
阅读这个问题AVFoundation,如何在 captureStillImageAsynchronouslyFromConnection 时关闭快门声音?
于 2013-03-22T06:27:57.130 回答