Implement SPS IDs within CLVS constraint check
Implement SPS IDs within CLVS constraint check, related to mixed_nalu_types_in_pic_flag
It is also includes !1326 (merged), which addresses #821
Edited by Vadim Seregin
Implement SPS IDs within CLVS constraint check, related to mixed_nalu_types_in_pic_flag
It is also includes !1326 (merged), which addresses #821