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设置左右声道相位,实现左声道输出、右声道输出、和立体声输出的效果,通常应用于卡拉OK来切换原唱和伴奏。
版本要求:v2.0.3及以上
@property(nonatomic) MPMovieAudioPan audioPan
MPMovieAudioPan定义如下:
typedef NS_ENUM(NSInteger, MPMovieAudioPan) { ///完全左声道 MPMovieAudioPan_Left = -1, ///左右声道平衡 MPMovieAudioPan_Stereo, ///完全右声道 MPMoviveAudioPan_Right, };
_player.audioPan = MPMovieAudioPan_Stereo;