某个视频文件裁剪失败 about jpimageresizerview HOT 7 CLOSED

AVMutableAudioMix *audioMix = [AVMutableAudioMix audioMix];
// 插入音频轨道
AVAssetTrack *audioTrack = [asset tracksWithMediaType:AVMediaTypeAudio].firstObject;
if (audioTrack) {
    AVMutableCompositionTrack *audioCompositionTrack = [composition addMutableTrackWithMediaType:AVMediaTypeAudio preferredTrackID:kCMPersistentTrackID_Invalid];
    [audioCompositionTrack insertTimeRange:timeRange ofTrack:audioTrack atTime:kCMTimeZero error:nil];
    
    AVMutableAudioMixInputParameters *inputParameter = [AVMutableAudioMixInputParameters audioMixInputParametersWithTrack: audioCompositionTrack];
    [inputParameter setVolume:1 atTime:kCMTimeZero];
    audioMix.inputParameters = @[inputParameter];
}
...
session.audioMix = audioMix;