GstCodecParsers.H266PicHdr

Fields

Name	Type	Access	Description
alf_aps_id_chroma	int	r/w
alf_aps_id_luma	bytes	r/w	specifies the aps_adaptation_parameter_set_id of the i-th ALF APS.
alf_cb_enabled_flag	int	r/w	specifies whether the adaptive loop filter is enabled for the Cb colour component of the current picture.
alf_cc_cb_aps_id	int	r/w	specifies the aps_adaptation_parameter_set_id of the ALF APS that the Cb colour component of the slices in the current picture refers to.
alf_cc_cb_enabled_flag	int	r/w	specifies whether the cross-component adaptive loop filter for the Cb colour component is enabled for the current picture
alf_cc_cr_aps_id	int	r/w	specifies the aps_adaptation_parameter_set_id of the ALF APS that the Cr colour component of the slices in the current picture refers to.
alf_cc_cr_enabled_flag	int	r/w	specifies that the cross-compoent adaptive loop filter for the Cr colour component is enabled for the current picture.
alf_cr_enabled_flag	int	r/w	specifies whether the adaptive loop filter is enabled for the Cr colour component of the current picture. alf_aps_id_chroma;: specifies the aps_adaptation_parameter_set_id of the ALF APS.
alf_enabled_flag	int	r/w	specifies whether the adaptive loop filter is enabled for the current picture.
bdof_disabled_flag	int	r/w	specifies that the bi-directional optical flow inter prediction based inter bi-prediction is disabled for the current picture.
cb_beta_offset_div2	int	r/w	specify the deblocking parameter offsets for beta that are applied to the Cb component for the slices in the current picture.
cb_tc_offset_div2	int	r/w	specify the deblocking parameter offsets for tC that are applied to the Cb component for the slices in the current picture.
chroma_residual_scale_flag	int	r/w	specifies whether chroma residual scaling is enabled and could be used for the current picture.
collocated_from_l0_flag	int	r/w	specifies whether the collocated picture used for temporal motion vector prediction is derived from RPL 0.
collocated_ref_idx	int	r/w	specifies the reference index of the collocated picture used for temporal motion vector prediction.
cr_beta_offset_div2	int	r/w	specify the deblocking parameter offsets for beta that are applied to the Cr component for the slices in the current picture.
cr_tc_offset_div2	int	r/w	specify the deblocking parameter offsets for tC that are applied to the Cr component for the slices in the current picture.
cu_chroma_qp_offset_subdiv_inter_slice	int	r/w	specifies the maximum cbSubdiv value of coding units in inter slice that convey cu_chroma_qp_offset_flag.
cu_chroma_qp_offset_subdiv_intra_slice	int	r/w	specifies the maximum cbSubdiv value of coding units in intra slice that convey cu_chroma_qp_offset_flag.
cu_qp_delta_subdiv_inter_slice	int	r/w	specifies the maximum cbSubdiv value of coding units that in inter slice convey cu_qp_delta_abs and cu_qp_delta_sign_flag.
cu_qp_delta_subdiv_intra_slice	int	r/w	specifies the maximum cbSubdiv value of coding units in intra slice that convey cu_qp_delta_abs and cu_qp_delta_sign_flag.
deblocking_filter_disabled_flag	int	r/w	specifies whether the deblocking filter is disabled for the current picture.
deblocking_params_present_flag	int	r/w	specifies whether the deblocking parameters could be present in the PH syntax structure.
dmvr_disabled_flag	int	r/w	specifies whether the decoder motion vector refinement based inter bi-prediction is disabled for the current picture.
explicit_scaling_list_enabled_flag	int	r/w	specifies that the explicit scaling list is enabled for the current picture.
extension_data_byte	bytes	r/w	could have any value.
extension_length	int	r/w	specifies the length of the PH extension data in bytes.
extra_bit	bytes	r/w
gdr_or_irap_pic_flag	int	r/w	specifies whethers the current picture is a GDR or IRAP picture.
gdr_pic_flag	int	r/w	specifies whether the current picture is a GDR picture.
inter_slice_allowed_flag	int	r/w	specifies whether all coded slices of the picture have sh_slice_type equal to 2.
intra_slice_allowed_flag	int	r/w	specifies whether all coded slices of the picture have sh_slice_type equal to 0 or 1.
joint_cbcr_sign_flag	int	r/w	specifies whether the collocated residual samples of both chroma components have inverted signs.
lmcs_aps_id	int	r/w	specifies the aps_adaptation_parameter_set_id of the LMCS APS.
lmcs_enabled_flag	int	r/w	specifies whether LMCS is enabled for the current picture.
log2_diff_max_bt_min_qt_inter_slice	int	r/w	specifies the 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.
log2_diff_max_bt_min_qt_intra_slice_chroma	int	r/w	specifies the 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 with treeType equal to DUAL_TREE_CHROMA.
log2_diff_max_bt_min_qt_intra_slice_luma	int	r/w	specifies the 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.
log2_diff_max_tt_min_qt_inter_slice	int	r/w	specifies the 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.
log2_diff_max_tt_min_qt_intra_slice_chroma	int	r/w	specifies the 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 with treeType equal to DUAL_TREE_CHROMA.
log2_diff_max_tt_min_qt_intra_slice_luma	int	r/w	specifies the 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.
log2_diff_min_qt_min_cb_inter_slice	int	r/w	specifies the 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.
log2_diff_min_qt_min_cb_intra_slice_chroma	int	r/w	specifies the 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 with treeType equal to DUAL_TREE_CHROMA and the base 2 logarithm of the minimum coding block size in luma samples for chroma CUs with treeType equal to DUAL_TREE_CHROMA.
log2_diff_min_qt_min_cb_intra_slice_luma	int	r/w	specifies the 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 for luma CUs.
luma_beta_offset_div2	int	r/w	specify the deblocking parameter offsets for beta that are applied to the luma component for the slices in the current picture.
luma_tc_offset_div2	int	r/w	specify the deblocking parameter offsets for tC that are applied to the luma component for the slices in the current picture.
max_mtt_hierarchy_depth_inter_slice	int	r/w	specifies the maximum hierarchy depth for coding units resulting from multi-type tree splitting of a quadtree leaf.
max_mtt_hierarchy_depth_intra_slice_chroma	int	r/w	specifies the maximum hierarchy depth for chroma coding units resulting from multi-type tree splitting of a chroma quadtree leaf with treeType equal to DUAL_TREE_CHROMA.
max_mtt_hierarchy_depth_intra_slice_luma	int	r/w	specifies the maximum hierarchy depth for coding units resulting from multi-type tree splitting of a quadtree leaf.
mmvd_fullpel_only_flag	int	r/w	specifies whether the merge mode with motion vector difference uses only integer sample precision for the current picture.
mvd_l1_zero_flag	int	r/w	specifies whether the mvd_coding syntax structure is parsed.
non_ref_pic_flag	int	r/w	specifies whether the current picture is never used as a reference picture.
num_alf_aps_ids_luma	int	r/w	specifies the number of ALF APSs that the slices in the current picture refers to.
num_hor_virtual_boundaries	int	r/w	specifies the number of ph_virtual_boundary_pos_y_minus1[i].
num_ver_virtual_boundaries	int	r/w	specifies the number of ph_virtual_boundary_pos_x_minus1[i] syntax elements.
partition_constraints_override_flag	int	r/w	specifies that partition constraint parameters are present.
pic_order_cnt_lsb	int	r/w	specifies the picture order count modulo MaxPicOrderCntLsb for the current picture.
pic_output_flag	int	r/w	affects the decoded picture output and removal processes as specified in Annex C.
poc_msb_cycle_present_flag	int	r/w	specifies that the syntax element ph_poc_msb_cycle_val is present in the PH.
poc_msb_cycle_val	int	r/w	specifies the value of the POC MSB cycle of the current picture.
pps	GstCodecParsers.H266PPS	r/w
pps_id	int	r/w	specifies the value of pps_pic_parameter_set_id for the PPS in use.
pred_weight_table	GstCodecParsers.H266PredWeightTable	r/w	prediction weight table of GstCodecParsers.H266PredWeightTable.
prof_disabled_flag	int	r/w	specifies whether prediction refinement with optical flow is disabled for the current picture.
qp_delta	int	r/w	specifies the initial value of QpY to be used for the coding blocks in the picture.
recovery_poc_cnt	int	r/w	specifies the recovery point of decoded pictures in output order. extra_bit[16]: could have any value.
ref_pic_lists	GstCodecParsers.H266RefPicLists	r/w	reference lists of GstCodecParsers.H266RefPicLists.
sao_chroma_enabled_flag	int	r/w	specifies whether SAO is enabled for the chroma component of the current picture.
sao_luma_enabled_flag	int	r/w	specifies whether SAO is enabled for the luma component of the current picture.
scaling_list_aps_id	int	r/w	specifies the aps_adaptation_parameter_set_id of the scaling list APS.
temporal_mvp_enabled_flag	int	r/w	specifies whether temporal motion vector predictor is enabled for the current picture.
valid	bool	r/w	whether this picture header is valid.
virtual_boundaries_present_flag	int	r/w	specifies whether information of virtual boundaries is signalled in the PH syntax structure.
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.

Methods

None

Details

class GstCodecParsers.H266PicHdr

Structure defining the H266 picture header.

New in version 1.26.