pub fn parse_hevc_sps(sample: &[u8]) -> Option<HevcSpsInfo>Expand description
Full HEVC SPS walker — see H.265 §7.3.2.2.1 + §7.4.3.2.1. Consumes
profile_tier_level via the existing skip_hevc_profile_tier_level
helper, then reads pic_width_in_luma_samples + pic_height_in_luma_samples
and applies the conformance window crop if present.