int audio_frame_rate () const;
uint64_t required_disk_space () const;
bool should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const;
int audio_frame_rate () const;
uint64_t required_disk_space () const;
bool should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const;