extern int dcp_audio_frame_rate (int);
extern std::string colour_lut_index_to_name (int index);
extern int stride_round_up (int, int const *, int);
extern int dcp_audio_frame_rate (int);
extern std::string colour_lut_index_to_name (int index);
extern int stride_round_up (int, int const *, int);