203 typedef struct Dav1dSequenceHeader {  struct
209     int profile;
236     struct Dav1dSequenceHeaderOperatingPoint {  argument
243     } operating_points[DAV1D_MAX_OPERATING_POINTS];
245     int still_picture;
246     int reduced_still_picture_header;
247     int timing_info_present;
248     int num_units_in_tick;
249     int time_scale;
250     int equal_picture_interval;
251     unsigned num_ticks_per_picture;
252     int decoder_model_info_present;
253     int encoder_decoder_buffer_delay_length;
254     int num_units_in_decoding_tick;
255     int buffer_removal_delay_length;
256     int frame_presentation_delay_length;
257     int display_model_info_present;
258     int width_n_bits, height_n_bits;
259     int frame_id_numbers_present;
283     // Dav1dSequenceHeaders of the same sequence are required to be  argument
289     struct Dav1dSequenceHeaderOperatingParameterInfo {  argument
294 } Dav1dSequenceHeader;  argument