@interface FTMutableAudioDescription : FTAudioDescription
@property (nonatomic) double sample_rate;
@property (nonatomic) unsigned int format_id;
@property (nonatomic) unsigned int format_flags;
@property (nonatomic) unsigned int bytes_per_packet;
@property (nonatomic) unsigned int frames_per_packet;
@property (nonatomic) unsigned int bytes_per_frame;
@property (nonatomic) unsigned int channels_per_frame;
@property (nonatomic) unsigned int bits_per_channel;
@property (nonatomic) unsigned int reserved;
- (id)init;
- (id)copyWithZone:(struct _NSZone { } *)a0;
@end