Here are the data structures with brief descriptions:
  lqt_codec_info_s | Structure describing a codec |
| lqt_image_size_t | Image size |
| lqt_parameter_info_t | Structure describing a parameter |
| lqt_parameter_value_t | Union for holding parameter values |
| quicktime_clap_t | Clean Aperture atom structure |
| quicktime_colr_t | 'colr' ImageDescription Extension structure |
 quicktime_pasp_t | Pixel Aspect atom structure |
