207 typedef struct Dav1dSequenceHeader {  struct
213     uint8_t profile;
240     struct Dav1dSequenceHeaderOperatingPoint {  argument
247     } operating_points[DAV1D_MAX_OPERATING_POINTS];
249     uint8_t still_picture;
250     uint8_t reduced_still_picture_header;
251     uint8_t timing_info_present;
252     uint32_t num_units_in_tick;
253     uint32_t time_scale;
254     uint8_t equal_picture_interval;
255     uint32_t num_ticks_per_picture;
256     uint8_t decoder_model_info_present;
257     uint8_t encoder_decoder_buffer_delay_length;
258     uint32_t num_units_in_decoding_tick;
259     uint8_t buffer_removal_delay_length;
260     uint8_t frame_presentation_delay_length;
261     uint8_t display_model_info_present;
262     uint8_t width_n_bits, height_n_bits;
263     uint8_t frame_id_numbers_present;
287     // Dav1dSequenceHeaders of the same sequence are required to be  argument
293     struct Dav1dSequenceHeaderOperatingParameterInfo {  argument
298 } Dav1dSequenceHeader;  argument