GstCodecParsers.H266SPS

Fields

Name	Type	Access	Description
act_enabled_flag	int	r/w	specifies whether the adaptive colour transform is enabled for the CLVS.
affine_amvr_enabled_flag	int	r/w	specifies whether adaptive motion vector difference resolution is enabled for the CLVS.
affine_enabled_flag	int	r/w	specifies whether the affine model based motion compensation is enabled for the CLVS.
affine_prof_enabled_flag	int	r/w	specifies whether the affine motion compensation refined with optical flow is enabled for the CLVS.
alf_enabled_flag	int	r/w	specifies whether ALF is enabled for the CLVS.
amvr_enabled_flag	int	r/w	specifies whether adaptive motion vector difference resolution is enabled for the CVLS.
bcw_enabled_flag	int	r/w
bdof_control_present_in_ph_flag	int	r/w	specifies whether ph_bdof_disabled_flag could be present in PH syntax structures referring to the SPS.
bdof_enabled_flag	int	r/w	specifies whether the bi-directional optical flow inter prediction is enabled for the CLVS.
bdpcm_enabled_flag	int	r/w	specifies whether intra_bdpcm_luma_flag and intra_bdpcm_chroma_flag could be present in the coding unit syntax for intra coding units.
bitdepth_minus8	int	r/w	specifies the bit depth of the samples of the luma and chroma arrays.
ccalf_enabled_flag	int	r/w	specifies whether CCALF is enabled for the CLVS.
cclm_enabled_flag	int	r/w	specifies whether the cross-component linear model intra prediction from luma component to chroma component is enabled for the CLVS.
chroma_format_idc	int	r/w	specifies the chroma sampling relative to the luma sampling.
chroma_horizontal_collocated_flag	int	r/w	specifies whether prediction processes operate in a manner designed for chroma sample positions that are not horizontally shifted relative to corresponding luma sample positions.
chroma_qp_table	[int]	r/w
chroma_vertical_collocated_flag	int	r/w	specifies whether prediction processes operate in a manner designed for chroma sample positions that are not vertically shifted relative to corresponding luma sample positions.
ciip_enabled_flag	int	r/w	specifies whether ciip_flag could be present in the coding unit syntax for inter coding units.
conf_win_bottom_offset	int	r/w	specify bottom offset of the cropping window that is applied to pictures.
conf_win_left_offset	int	r/w	specify left offset of the cropping window that is applied to pictures.
conf_win_right_offset	int	r/w	specify right offset of the cropping window that is applied to pictures.
conf_win_top_offset	int	r/w	specify top offset of the cropping window that is applied to pictures.
conformance_window_flag	int	r/w	indicates whether the conformance cropping window offset parameters follow next in the SPS.
crop_rect_height	int	r/w	the cropped height of the picture.
crop_rect_width	int	r/w	the cropped width of the picture.
crop_rect_x	int	r/w	the x offset of the cropped window.
crop_rect_y	int	r/w	the y offset of the cropped window.
ctu_size	int	r/w	the calculated ctu size.
delta_qp_diff_val	bytes	r/w	specifies a delta value used to derive the output coordinate of the j-th pivot point of the i-th chroma QP mapping table.
delta_qp_in_val_minus1	bytes	r/w	specifies a delta value used to derive the input coordinate of the j-th pivot point of the i-th chroma QP mapping table.
dep_quant_enabled_flag	int	r/w	specifies whether dependent quantization is enabled for the CLVS.
dmvr_control_present_in_ph_flag	int	r/w	specifies whether ph_dmvr_disabled_flag could be present in PH syntax structures referring to the SPS.
dmvr_enabled_flag	int	r/w	specifies whether decoder motion vector refinement based inter bi-prediction is enabled for the CLVS.
dpb	GstCodecParsers.H266DPBParameters	r/w	DPB parameters of GstCodecParsers.H266DPBParameters.
entropy_coding_sync_enabled_flag	int	r/w	specifies whether a specific synchronization process for context variables is invoked before decoding the CTU.
entry_point_offsets_present_flag	int	r/w	specifies whether signalling for entry point offsets for tiles or tile-specific CTU rows could be present in the slice headers of pictures.
explicit_mts_inter_enabled_flag	int	r/w	specifies whether mts_idx could be present in the inter coding unit syntax of the CLVS.
explicit_mts_intra_enabled_flag	int	r/w	specifies whether mts_idx could be present in the intra coding unit syntax of the CLVS.
explicit_scaling_list_enabled_flag	int	r/w	specifies whether the use of an explicit scaling list is enabled for the CLVS.
extension_7_flags	bytes	r/w	specifies whether no sps_extension_data_flag syntax elements are present.
extension_flag	int	r/w	specifies whether the syntax elements sps_range_extension_flag and sps_extension_7bits are present.
extra_ph_bit_present_flag	bytes	r/w	specifies whether the i-th extra bit is present in PH syntax structures.
extra_sh_bit_present_flag	bytes	r/w	specifies whether the i-th extra bit is present in the slice headers of pictures.
field_seq_flag	int	r/w	indicates whether the CLVS conveys pictures that represent fields.
five_minus_max_num_subblock_merge_cand	int	r/w	specifies the maximum number of subblock-based merging motion vector prediction candidates supported.
fps_den	int	r/w	the calculated FPS denominator.
fps_num	int	r/w	the calculated FPS numerator.
gdr_enabled_flag	int	r/w	specifies whether GDR pictures are enabled and could be present in the CLVS.
general_hrd_params	GstCodecParsers.H266GeneralHRDParameters	r/w	HRD parameters of GstCodecParsers.H266GeneralHRDParameters.
gpm_enabled_flag	int	r/w	specifies whether the geometric partition based motion compensation is enabled for the CLVS.
ibc_enabled_flag	int	r/w	specifies whether the IBC prediction mode is enabled for the CLVS.
idr_rpl_present_flag	int	r/w	specifies whether RPL syntax elements could be present in slice headers of slices with nal_unit_type equal to IDR_N_LP or IDR_W_RADL.
independent_subpics_flag	int	r/w	specifies whether all subpicture boundaries in the CLVS are treated as picture boundaries and there is no loop filtering across the subpicture boundaries.
inter_layer_prediction_enabled_flag	int	r/w	specifies whether inter-layer prediction is enabled for the CLVS and ILRPs might be used for inter prediction of one or more coded pictures in the CLVS.
isp_enabled_flag	int	r/w	specifies whether intra prediction with subpartitions is enabled for the CLVS.
joint_cbcr_enabled_flag	int	r/w	specifies whether the joint coding of chroma residuals is enabled for the CLVS.
ladf_delta_threshold_minus1	[int]	r/w	is used to compute the values of SpsLadfIntervalLowerBound[i].
ladf_enabled_flag	int	r/w	specifies whether sps_num_ladf_intervals_minus2, sps_ladf_lowest_interval_qp_offset, sps_ladf_qp_offset[i], and sps_ladf_delta_threshold_minus1[i] are present in the SPS.
ladf_lowest_interval_qp_offset	int	r/w	specifies the offset used to derive the variable qP.
ladf_qp_offset	[int]	r/w	specifies the offset array used to derive the variable qP.
lfnst_enabled_flag	int	r/w	specifies whether lfnst_idx could be present in intra coding unit syntax.
lmcs_enabled_flag	int	r/w	specifies whether LMCS is enabled for the CLVS.
log2_ctu_size_minus5	int	r/w	specifies the luma coding tree block size of each CTU.
log2_diff_max_bt_min_qt_inter_slice	int	r/w	specifies the default difference between the base 2 logarithm of the maximum size in luma samples of a luma coding block that can be split using a binary split and the base 2 logarithm of the minimum size in luma samples of a luma leaf block resulting from quadtree splitting of a CTU in slices with sh_slice_type equal to 0(B) or 1(P).
log2_diff_max_bt_min_qt_intra_slice_chroma	int	r/w	specifies the default difference between the base 2 logarithm of the maximum size in luma samples of a chroma coding block that can be split using a binary split and the base 2 logarithm of the minimum size in luma samples of a chroma leaf block resulting from quadtree splitting of a chroma CTU in slices with sh_slice_type equal to 2(I).
log2_diff_max_bt_min_qt_intra_slice_luma	int	r/w	specifies the default difference between the base 2 logarithm of the maximum size in luma samples of a luma coding block that can be split using a binary split and the base 2 logarithm of the minimum size in luma samples of a luma leaf block resulting from quadtree splitting.
log2_diff_max_tt_min_qt_inter_slice	int	r/w	specifies the default difference between the base 2 logarithm of the maximum size in luma samples of a luma coding block that can be split using a ternary split and the base 2 logarithm of the minimum size in luma samples of a luma leaf block resulting from quadtree splitting of a CTU in slices with sh_slice_type equal to 0(B) or 1(P).
log2_diff_max_tt_min_qt_intra_slice_chroma	int	r/w	specifies the default difference between the base 2 logarithm of the maximum size in luma samples of a chroma coding block that can be split using a ternary split and the base 2 logarithm of the minimum size in luma samples of a chroma leaf block resulting from quadtree splitting of a chroma CTU in slices with sh_slice_type equal to 2(I).
log2_diff_max_tt_min_qt_intra_slice_luma	int	r/w	specifies the default difference between the base 2 logarithm of the maximum size in luma samples of a luma coding block that can be split using a ternary split and the base 2 logarithm of the minimum size in luma samples of a luma leaf block resulting from quadtree splitting.
log2_diff_min_qt_min_cb_inter_slice	int	r/w	specifies the default difference between the base 2 logarithm of the minimum size in luma samples of a luma leaf block resulting from quadtree splitting of a CTU and the base 2 logarithm of the minimum luma coding block size in luma samples for luma CUs in slices with sh_slice_type equal to 0(B) or 1(P).
log2_diff_min_qt_min_cb_intra_slice_chroma	int	r/w	specifies the default difference between the base 2 logarithm of the minimum size in luma samples of a chroma leaf block resulting from quadtree splitting of a chroma CTU and the base 2 logarithm of the minimum coding block size in luma samples for chroma CUs in slices with sh_slice_type equal to 2(I).
log2_diff_min_qt_min_cb_intra_slice_luma	int	r/w	specifies the default difference between the base 2 logarithm of the minimum size in luma samples of a luma leaf block resulting from quadtree splitting of a CTU and the base 2 logarithm of the minimum coding block size in luma samples.
log2_max_pic_order_cnt_lsb_minus4	int	r/w	specifies the value of the variable MaxPicOrderCntLsb.
log2_min_luma_coding_block_size_minus2	int	r/w	specifies the minimum luma coding block size.
log2_parallel_merge_level_minus2	int	r/w	specifies the value of the variable Log2ParMrgLevel.
log2_transform_skip_max_size_minus2	int	r/w	specifies the maximum block size used for transform skip.
long_term_ref_pics_flag	int	r/w
loop_filter_across_subpic_enabled_flag	bytes	r/w	specifies whether in-loop filtering operations across subpicture boundaries is enabled and might be performed across the boundaries of the i-th subpicture.
max_height	int	r/w	the calculated max height of the picture.
max_luma_transform_size_64_flag	int	r/w	specifies whether the maximum transform size in luma samples is equal to 64.
max_mtt_hierarchy_depth_inter_slice	int	r/w	specifies the default maximum hierarchy depth for coding units resulting from multi-type tree splitting of a quadtree leaf in slices with sh_slice_type equal to 0 (B) or 1 (P).
max_mtt_hierarchy_depth_intra_slice_chroma	int	r/w	specifies the default maximum hierarchy depth for chroma coding units resulting from multi-type tree splitting of a chroma quadtree leaf in slices with sh_slice_type equal to 2(I).
max_mtt_hierarchy_depth_intra_slice_luma	int	r/w	specifies the default maximum hierarchy depth for coding units resulting from multi-type tree splitting of a quadtree leaf in slices with sh_slice_type equal to 2(I).
max_num_merge_cand_minus_max_num_gpm_cand	int	r/w	specifies the maximum number of geometric partitioning merge mode candidates supported in the SPS.
max_sublayers_minus1	int	r/w	specifies the maximum number of temporal sublayers that could be present in each CLVS referring to the SPS.
max_width	int	r/w	the calculated max width of the picture.
min_qp_prime_ts	int	r/w	specifies whether minimum allowed quantization parameter for transform skip mode.
mip_enabled_flag	int	r/w	specifies whether the matrix-based intra prediction is enabled for the CLVS.
mmvd_enabled_flag	int	r/w	specifies whether merge mode with motion vector difference is enabled for the CLVS.
mmvd_fullpel_only_enabled_flag	int	r/w	specifies whether the merge mode with motion vector difference using only integer sample precision is enabled for the CLVS.
mrl_enabled_flag	int	r/w	specifies whether intra prediction with multiple reference lines is enabled for the CLVS.
mts_enabled_flag	int	r/w	specifies whether sps_explicit_mts_intra_enabled_flag and sps_explicit_mts_inter_enabled_flag are present in the SPS.
nuh_layer_id	int	r/w	specifies the identifier of the layer to which a VCL NAL unit belongs or the identifier of a layer to which a non-VCL NAL unit applies.
num_extra_ph_bytes	int	r/w	specifies the number of bytes of extra bits in the PH syntax structure for coded pictures.
num_extra_sh_bytes	int	r/w	specifies the number of bytes of extra bits in the slice headers for coded pictures.
num_hor_virtual_boundaries	int	r/w	specifies the number of sps_virtual_boundary_pos_y_minus1[i] syntax elements.
num_ladf_intervals_minus2	int	r/w	specifies the number of sps_ladf_delta_threshold_minus1[i] and sps_ladf_qp_offset[i] syntax elements that are present in the SPS.
num_points_in_qp_table_minus1	bytes	r/w	specifies the number of points used to describe the i-th chroma QP mapping table.
num_ref_pic_lists	bytes	r/w	specifies the number of the ref_pic_list_struct(listIdx, rplsIdx) syntax structures with listIdx equal to i included in the SPS.
num_subpics_minus1	int	r/w	specifies the number of subpictures in each picture in the CLVS.
num_ver_virtual_boundaries	int	r/w	specifies the number of sps_virtual_boundary_pos_x_minus1[i] syntax elements.
ols_hrd_params	GstCodecParsers.H266OLSHRDParameters	r/w	OLS HRD parameters of GstCodecParsers.H266OLSHRDParameters.
palette_enabled_flag	int	r/w	specifies whether the palette prediction mode is enabled for the CLVS.
partition_constraints_override_enabled_flag	int	r/w	specifies the presence of ph_partition_constraints_override_flag in PH syntax structures.
pic_height_max_in_luma_samples	int	r/w	specifies the maximum height, in units of luma samples, of each decoded picture.
pic_width_max_in_luma_samples	int	r/w	specifies the maximum width, in units of luma samples, of each decoded picture.
poc_msb_cycle_flag	int	r/w	specifies whether the ph_poc_msb_cycle_present_flag syntax element is present in PH syntax structures.
poc_msb_cycle_len_minus1	int	r/w	specifies the length, in bits, of the ph_poc_msb_cycle_val syntax elements.
prof_control_present_in_ph_flag	int	r/w	specifies whether ph_prof_disabled_flag could be present in PH syntax structures. bcw_enabled_flag: specifies whether bi-prediction with CU weights is enabled for the CLVS.
profile_tier_level	GstCodecParsers.H266ProfileTierLevel	r/w	the profile tier and level in GstCodecParsers.H266ProfileTierLevel.
ptl_dpb_hrd_params_present_flag	int	r/w	specifies whether a profile_tier_level syntax structure and a dpb_parameters syntax structure are present in the SPS.
qp_table_start_minus26	[int]	r/w	specifies the starting luma and chroma QP used to describe the i-th chroma QP mapping table.
qtbtt_dual_tree_intra_flag	int	r/w	specifies whether each CTU is split into coding units with 64x64 luma samples using an implicit quadtree split, and these coding units are the root of two separate coding_tree syntax structure for luma and chroma.
range_extension_flag	int	r/w	specifies whether the sps_range_extension syntax structure is present.
range_params	GstCodecParsers.H266SPSRangeExtensionParams	r/w	range parameters of GstCodecParsers.H266SPSRangeExtensionParams.
ref_pic_list_struct	[GstCodecParsers.H266RefPicListStruct]	r/w	the reference list of GstCodecParsers.H266RefPicListStruct.
ref_pic_resampling_enabled_flag	int	r/w	specifies whether reference picture resampling is enabled.
ref_wraparound_enabled_flag	int	r/w	specifies whether horizontal wrap-around motion compensation is enabled for the CLVS.
res_change_in_clvs_allowed_flag	int	r/w	specifies whether the picture spatial resolution might change within a CLVS.
rpl1_same_as_rpl0_flag	int	r/w	specifies whether the syntax element sps_num_ref_pic_lists[1] and the syntax structure ref_pic_list_struct(1, rplsIdx) are present.
same_qp_table_for_chroma_flag	int	r/w	specifies whether only one chroma QP mapping table is signalled and this table applies to Cb and Cr residuals and additionally to joint Cb-Cr residuals.
sao_enabled_flag	int	r/w	specifies whether SAO is enabled for the CLVS.
sbt_enabled_flag	int	r/w	specifies whether subblock transform for inter-predicted CUs is enabled for the CLVS.
sbtmvp_enabled_flag	int	r/w	specifies whether subblock-based temporal motion vector predictors are enabled and might be used in decoding of pictures with all slices having sh_slice_type not equal to I in the CLVS.
scaling_matrix_designated_colour_space_flag	int	r/w	specifies whether the colour space of the scaling matrices is the colour space that does not use a colour space conversion for the decoded residuals.
scaling_matrix_for_alternative_colour_space_disabled_flag	int	r/w	specifies whether scaling matrices are disabled and not applied to blocks of a coding unit.
scaling_matrix_for_lfnst_disabled_flag	int	r/w	specifies whether scaling matrices are disabled for blocks coded with LFNST for the CLVS.
sign_data_hiding_enabled_flag	int	r/w	specifies whether sign bit hiding is enabled for the CLVS.
six_minus_max_num_ibc_merge_cand	int	r/w	specifies the maximum number of IBC merging block vector prediction (BVP) candidates.
six_minus_max_num_merge_cand	int	r/w	specifies the maximum number of merging motion vector prediction (MVP) candidates supported in the SPS.
smvd_enabled_flag	int	r/w	specifies whether symmetric motion vector difference is enabled for the CLVS.
sps_6param_affine_enabled_flag	int	r/w	specifies whether the 6-parameter affine model based motion compensation is enabled for the CLVS.
sps_id	int	r/w	provides an identifier for the SPS for reference by other syntax elements.
sublayer_cpb_params_present_flag	int	r/w	specifies whether the ols_timing_hrd_parameters syntax structure in the SPS includes HRD parameters for sublayer representations.
sublayer_dpb_params_flag	int	r/w	used to control the presence of dpb_max_dec_pic_buffering_minus1[i], dpb_max_num_reorder_pics[i], and dpb_max_latency_increase_plus1[i] syntax elements in the dpb_parameters syntax strucure.
subpic_ctu_top_left_x	[int]	r/w	specifies horizontal position of top-left CTU of i-th subpicture in unit of CtbSizeY.
subpic_ctu_top_left_y	[int]	r/w	specifies vertical position of top-left CTU of i-th subpicture in unit of CtbSizeY.
subpic_height_minus1	[int]	r/w	specifies the height of the i-th subpicture in units of CtbSizeY.
subpic_id	[int]	r/w	specifies the subpicture ID of the i-th subpicture.
subpic_id_len_minus1	int	r/w	specifies the number of bits used to represent the syntax element sps_subpic_id[i].
subpic_id_mapping_explicitly_signalled_flag	int	r/w	specifies whether the subpicture ID mapping is explicitly signalled.
subpic_id_mapping_present_flag	int	r/w	specifies whether the subpicture ID mapping is signalled in the SPS.
subpic_info_present_flag	int	r/w	specifies whether subpicture information is present for the CLVS and there might be one or more than one subpicture in each picture of the CLVS.
subpic_same_size_flag	int	r/w	specifies whether all subpictures in the CLVS have the same width and height.
subpic_treated_as_pic_flag	bytes	r/w	specifies whether the i-th subpicture of each coded picture in the CLVS is treated as a picture.
subpic_width_minus1	[int]	r/w	specifies the width of the i-th subpicture in units of CtbSizeY.
temporal_mvp_enabled_flag	int	r/w	specifies whether temporal motion vector predictors are enabled for the CLVS.
timing_hrd_params_present_flag	int	r/w	specifies whether the SPS contains a general_timing_hrd_parameters syntax structure and an ols_timing_hrd_parameters syntax structure.
transform_skip_enabled_flag	int	r/w	specifies whether transform_skip_flag could be present in the transform unit syntax.
valid	bool	r/w	whether the SPS is valid.
virtual_boundaries_enabled_flag	int	r/w	specifies whether disabling in-loop filtering across virtual boundaries is enabled for the CLVS.
virtual_boundaries_present_flag	int	r/w	specifies whether information of virtual boundaries is signalled in the SPS.
virtual_boundary_pos_x_minus1	[int]	r/w	specifies the location of the i-th vertical virtual boundary in units of luma samples divided by 8.
virtual_boundary_pos_y_minus1	[int]	r/w	specifies the location of the i-th horizontal virtual boundary in units of luma samples divided by 8.
vps	GstCodecParsers.H266VPS	r/w	the GstCodecParsers.H266VPS this SPS refers to.
vps_id	int	r/w	specifies the VPS referred to by this SPS.
vui_parameters_present_flag	int	r/w	specifies whether the syntax structure vui_payload is present in the SPS RBSP syntax structure.
vui_params	GstCodecParsers.H266VUIParams	r/w	VUI parameters of GstCodecParsers.H266VUIParams.
vui_payload_size_minus1	int	r/w	specifies the number of RBSP bytes in the vui_payload syntax structure.
weighted_bipred_flag	int	r/w	specifies whether explicit weighted prediction might be applied to B slices referring to the SPS. guint8 long_term_ref_pics_flag: specifies whether no LTRP is used for inter prediction of any coded picture in the CLVS.
weighted_pred_flag	int	r/w	specifies whether weighted prediction might be applied to P slices referring to the SPS.

Methods

None

Details

class GstCodecParsers.H266SPS

Structure defining the H266 SPS.

New in version 1.26.