offsets shall be in the range of -215 to 215 - 1, inclusive. seq_scaled_ref_layer_bottom_offsets specifies the vertical offset between the bottom-right luma sample of a resampled layer picture used for inter-layer prediction and the bottom-right luma sample of the current picture or current layer picture. Depending on the value of frame_mbs_only_flag, the following applies: If frame_mbs_only_flag is equal to 1, the vertical offset is specified in units of two luma samples. Otherwise (frame_mbs_only_flag is equal to 0), the vertical offset is specified in units of four luma samples. When seq_scaled_ref_layer_bottom_offset is not present, it shall be inferred to be equal to 0. The value of seq_scaled_ref_layer_bottom_offset shall be in the range of -215 to 215 1, inclusive. seq_tcoeff_level_prediction_flags specifies the presence of the syntax element adaptive_tcoeff_level_prediction_flag in the subset sequence parameter set. adaptive_tcoeff_level_prediction_flag specifies the presence of tcoeff_level_prediction_flag in slice headers that refer to the subset sequence parameter set. When adaptive_tcoeff_level_prediction_flagis not present, it shall be inferred to be equal to 0. slice_header_restriction_flags specifies the presence of syntax elements in slice headers that refer to the subset sequence parameter set. G.7.4.2.2 Picture parameter set RBSP semantics The semantics specified in clause 7.4.2.2 apply with substituting "SVC sequence parameter set" for "sequence parameter set" and substituting "active SVC sequence parameter set or active layer SVC sequence parameter set" for "active sequence parameter set". Additionally, the following applies. num_slice_groups_minus1 plus 1 specifies the number of slice groups for a picture. When num_slice_groups_minus1 is equal to 0, all slices of the picture belong to the same slice group. The allowed range of num_slice_groups_minus1 is specified in clause G.10. G.7.4.2.3 Supplemental enhancement information RBSP semantics The semantics specified in clause 7.4.2.3 apply. G.7.