#import #import @interface TGAudioWaveform : NSObject @property (nonatomic, strong, readonly) NSData *samples; @property (nonatomic, readonly) int32_t peak; - (instancetype)initWithSamples:(NSData *)samples peak:(int32_t)peak; - (instancetype)initWithBitstream:(NSData *)bitstream bitsPerSample:(NSUInteger)bitsPerSample; - (NSData *)bitstream; @end