diff --git a/07.bitstream.semantics.md b/07.bitstream.semantics.md index dceec2a..ca4b15b 100644 --- a/07.bitstream.semantics.md +++ b/07.bitstream.semantics.md @@ -854,7 +854,7 @@ structure in the scalability structure data must be for the highest frame rate l **temporal_group_temporal_switching_up_point_flag[ i ]** is set to 1 if subsequent (in decoding order) pictures with a temporal_id higher than temporal_group_temporal_id[ i ] do not depend on any picture preceding the -current picture (in coding order) with temporal_id higher than temporal_group_temporal_id[ i ]. +current picture (in decoding order) with temporal_id higher than temporal_group_temporal_id[ i ]. **Note:** This condition ensures that switching up to a higher frame rate is possible at the current picture. @@ -898,7 +898,7 @@ be described using temporal group description syntax and are not described in th | | temporal_group_temporal_switching_up_point_flag[1] | 1 | | temporal_group_spatial_switching_up_point_flag[1] | 0 | | temporal_group_ref_cnt[1] | 1 -| | temporal_group_ref_pic_diff[0][0] | 1 +| | temporal_group_ref_pic_diff[1][0] | 1 {:.table .table-sm .table-bordered } ##### L1T3 (Informative) @@ -920,12 +920,13 @@ be described using temporal group description syntax and are not described in th | | temporal_group_ref_cnt[1] | 1 | | temporal_group_ref_pic_diff[1][0] | 1 | 2 | temporal_group_temporal_id[2] | 1 -| | temporal_group_temporal_switching_up_point_flag[1] | 0 +| | temporal_group_temporal_switching_up_point_flag[2] | 1 +| | temporal_group_spatial_switching_up_point_flag[2] | 0 | | temporal_group_ref_cnt[2] | 1 | | temporal_group_ref_pic_diff[2][0] | 2 | 3 | temporal_group_temporal_id[3] | 2 -| | temporal_group_temporal_switching_up_point_flag[1] | 1 -| | temporal_group_spatial_switching_up_point_flag[1] | 0 +| | temporal_group_temporal_switching_up_point_flag[3] | 1 +| | temporal_group_spatial_switching_up_point_flag[3] | 0 | | temporal_group_ref_cnt[3] | 1 | | temporal_group_ref_pic_diff[3][0] | 1 {:.table .table-sm .table-bordered } @@ -936,7 +937,7 @@ be described using temporal group description syntax and are not described in th | **Layer** | **Spatial Layers Description** | **Value** | | spatial_layers_cnt_minus_1 | 1 | 0 | spatial_layer_ref_id[0] | 255 -| 1 | spatial_layer_ref_id[1] | 0 +| 1 | spatial_layer_ref_id[1] | 0 | | | | **Picture** | **Temporal Group Description** | **Value** | | temporal_group_size | 1 @@ -953,7 +954,7 @@ be described using temporal group description syntax and are not described in th | **Layer** | **Spatial Layers Description** | **Value** | | spatial_layers_cnt_minus_1 | 1 | 0 | spatial_layer_ref_id[0] | 255 -| 1 | spatial_layer_ref_id[1] | 0 +| 1 | spatial_layer_ref_id[1] | 0 | | | | **Picture** | **Temporal Group Description** | **Value** | | temporal_group_size | 2 @@ -975,7 +976,7 @@ be described using temporal group description syntax and are not described in th | **Layer** | **Spatial Layers Description** | **Value** | | spatial_layers_cnt_minus_1 | 1 | 0 | spatial_layer_ref_id[0] | 255 -| 1 | spatial_layer_ref_id[1] | 0 +| 1 | spatial_layer_ref_id[1] | 0 | | | | **Picture** | **Temporal Group Description** | **Value** | | temporal_group_size | 4 @@ -990,12 +991,13 @@ be described using temporal group description syntax and are not described in th | | temporal_group_ref_cnt[1] | 1 | | temporal_group_ref_pic_diff[1][0] | 1 | 2 | temporal_group_temporal_id[2] | 1 -| | temporal_group_temporal_switching_up_point_flag[1] | 0 +| | temporal_group_temporal_switching_up_point_flag[2] | 1 +| | temporal_group_spatial_switching_up_point_flag[2] | 0 | | temporal_group_ref_cnt[2] | 1 | | temporal_group_ref_pic_diff[2][0] | 2 | 3 | temporal_group_temporal_id[3] | 2 -| | temporal_group_temporal_switching_up_point_flag[1] | 1 -| | temporal_group_spatial_switching_up_point_flag[1] | 0 +| | temporal_group_temporal_switching_up_point_flag[3] | 1 +| | temporal_group_spatial_switching_up_point_flag[3] | 0 | | temporal_group_ref_cnt[3] | 1 | | temporal_group_ref_pic_diff[3][0] | 1 {:.table .table-sm .table-bordered } @@ -1006,7 +1008,7 @@ be described using temporal group description syntax and are not described in th | **Layer** | **Spatial Layers Description** | **Value** | | spatial_layers_cnt_minus_1 | 1 | 0 | spatial_layer_ref_id[0] | 255 -| 1 | spatial_layer_ref_id[1] | 255 +| 1 | spatial_layer_ref_id[1] | 255 | | | | **Picture** | **Temporal Group Description** | **Value** | | temporal_group_size | 1 @@ -1023,7 +1025,7 @@ be described using temporal group description syntax and are not described in th | **Layer** | **Spatial Layers Description** | **Value** | | spatial_layers_cnt_minus_1 | 1 | 0 | spatial_layer_ref_id[0] | 255 -| 1 | spatial_layer_ref_id[1] | 255 +| 1 | spatial_layer_ref_id[1] | 255 | | | | **Picture** | **Temporal Group Description** | **Value** | | temporal_group_size | 2 @@ -1045,7 +1047,7 @@ be described using temporal group description syntax and are not described in th | **Layer** | **Spatial Layers Description** | **Value** | | spatial_layers_cnt_minus_1 | 1 | 0 | spatial_layer_ref_id[0] | 255 -| 1 | spatial_layer_ref_id[1] | 255 +| 1 | spatial_layer_ref_id[1] | 255 | | | | **Picture** | **Temporal Group Description** | **Value** | | temporal_group_size | 4 @@ -1060,12 +1062,13 @@ be described using temporal group description syntax and are not described in th | | temporal_group_ref_cnt[1] | 1 | | temporal_group_ref_pic_diff[1][0] | 1 | 2 | temporal_group_temporal_id[2] | 1 -| | temporal_group_temporal_switching_up_point_flag[1] | 0 +| | temporal_group_temporal_switching_up_point_flag[2] | 1 +| | temporal_group_spatial_switching_up_point_flag[2] | 0 | | temporal_group_ref_cnt[2] | 1 | | temporal_group_ref_pic_diff[2][0] | 2 | 3 | temporal_group_temporal_id[3] | 2 -| | temporal_group_temporal_switching_up_point_flag[1] | 1 -| | temporal_group_spatial_switching_up_point_flag[1] | 0 +| | temporal_group_temporal_switching_up_point_flag[3] | 1 +| | temporal_group_spatial_switching_up_point_flag[3] | 0 | | temporal_group_ref_cnt[3] | 1 | | temporal_group_ref_pic_diff[3][0] | 1 {:.table .table-sm .table-bordered } @@ -1074,11 +1077,10 @@ be described using temporal group description syntax and are not described in th | ----------- | ------------------------------------------------ | ---------------- | | **Layer** | **Spatial Layers Description** | **Value** -| | spatial_layers_cnt_minus_1 | 1 +| | spatial_layers_cnt_minus_1 | 2 | 0 | spatial_layer_ref_id[0] | 255 -| 1 | spatial_layer_ref_id[1] | 0 -| 2 | spatial_layer_ref_id[1] | 1 - +| 1 | spatial_layer_ref_id[1] | 0 +| 2 | spatial_layer_ref_id[2] | 1 | | | | **Picture** | **Temporal Group Description** | **Value** | | temporal_group_size | 1 @@ -1093,10 +1095,10 @@ be described using temporal group description syntax and are not described in th | ----------- | ------------------------------------------------ | ---------------- | | **Layer** | **Spatial Layers Description** | **Value** -| | spatial_layers_cnt_minus_1 | 1 +| | spatial_layers_cnt_minus_1 | 2 | 0 | spatial_layer_ref_id[0] | 255 -| 1 | spatial_layer_ref_id[1] | 0 -| 2 | spatial_layer_ref_id[1] | 1 +| 1 | spatial_layer_ref_id[1] | 0 +| 2 | spatial_layer_ref_id[2] | 1 | | | | **Picture** | **Temporal Group Description** | **Value** | | temporal_group_size | 2 @@ -1116,10 +1118,10 @@ be described using temporal group description syntax and are not described in th | ----------- | ------------------------------------------------ | ---------------- | | **Layer** | **Spatial Layers Description** | **Value** -| | spatial_layers_cnt_minus_1 | 1 +| | spatial_layers_cnt_minus_1 | 2 | 0 | spatial_layer_ref_id[0] | 255 -| 1 | spatial_layer_ref_id[1] | 0 -| 2 | spatial_layer_ref_id[1] | 1 +| 1 | spatial_layer_ref_id[1] | 0 +| 2 | spatial_layer_ref_id[2] | 1 | | | | **Picture** | **Temporal Group Description** | **Value** | | temporal_group_size | 4 @@ -1134,12 +1136,13 @@ be described using temporal group description syntax and are not described in th | | temporal_group_ref_cnt[1] | 1 | | temporal_group_ref_pic_diff[1][0] | 1 | 2 | temporal_group_temporal_id[2] | 1 -| | temporal_group_temporal_switching_up_point_flag[1] | 0 +| | temporal_group_temporal_switching_up_point_flag[2] | 1 +| | temporal_group_spatial_switching_up_point_flag[2] | 0 | | temporal_group_ref_cnt[2] | 1 | | temporal_group_ref_pic_diff[2][0] | 2 | 3 | temporal_group_temporal_id[3] | 2 -| | temporal_group_temporal_switching_up_point_flag[1] | 1 -| | temporal_group_spatial_switching_up_point_flag[1] | 0 +| | temporal_group_temporal_switching_up_point_flag[3] | 1 +| | temporal_group_spatial_switching_up_point_flag[3] | 0 | | temporal_group_ref_cnt[3] | 1 | | temporal_group_ref_pic_diff[3][0] | 1 {:.table .table-sm .table-bordered } @@ -1148,10 +1151,10 @@ be described using temporal group description syntax and are not described in th | ----------- | ------------------------------------------------ | ---------------- | | **Layer** | **Spatial Layers Description** | **Value** -| | spatial_layers_cnt_minus_1 | 1 +| | spatial_layers_cnt_minus_1 | 2 | 0 | spatial_layer_ref_id[0] | 255 -| 1 | spatial_layer_ref_id[1] | 255 -| 2 | spatial_layer_ref_id[1] | 255 +| 1 | spatial_layer_ref_id[1] | 255 +| 2 | spatial_layer_ref_id[2] | 255 | | | | **Picture** | **Temporal Group Description** | **Value** @@ -1167,10 +1170,10 @@ be described using temporal group description syntax and are not described in th | ----------- | ------------------------------------------------ | ---------------- | | **Layer** | **Spatial Layers Description** | **Value** -| | spatial_layers_cnt_minus_1 | 1 +| | spatial_layers_cnt_minus_1 | 2 | 0 | spatial_layer_ref_id[0] | 255 -| 1 | spatial_layer_ref_id[1] | 255 -| 2 | spatial_layer_ref_id[1] | 255 +| 1 | spatial_layer_ref_id[1] | 255 +| 2 | spatial_layer_ref_id[1] | 255 | | | | **Picture** | **Temporal Group Description** | **Value** | | temporal_group_size | 2 @@ -1190,10 +1193,10 @@ be described using temporal group description syntax and are not described in th | ----------- | ------------------------------------------------ | ---------------- | | **Layer** | **Spatial Layers Description** | **Value** -| | spatial_layers_cnt_minus_1 | 1 +| | spatial_layers_cnt_minus_1 | 2 | 0 | spatial_layer_ref_id[0] | 255 -| 1 | spatial_layer_ref_id[1] | 255 -| 2 | spatial_layer_ref_id[1] | 255 +| 1 | spatial_layer_ref_id[1] | 255 +| 2 | spatial_layer_ref_id[1] | 255 | | | | **Picture** | **Temporal Group Description** | **Value** | | temporal_group_size | 4 @@ -1208,12 +1211,13 @@ be described using temporal group description syntax and are not described in th | | temporal_group_ref_cnt[1] | 1 | | temporal_group_ref_pic_diff[1][0] | 1 | 2 | temporal_group_temporal_id[2] | 1 -| | temporal_group_temporal_switching_up_point_flag[1] | 0 +| | temporal_group_temporal_switching_up_point_flag[2] | 1 +| | temporal_group_spatial_switching_up_point_flag[2] | 0 | | temporal_group_ref_cnt[2] | 1 | | temporal_group_ref_pic_diff[2][0] | 2 | 3 | temporal_group_temporal_id[3] | 2 -| | temporal_group_temporal_switching_up_point_flag[1] | 1 -| | temporal_group_spatial_switching_up_point_flag[1] | 0 +| | temporal_group_temporal_switching_up_point_flag[3] | 1 +| | temporal_group_spatial_switching_up_point_flag[3] | 0 | | temporal_group_ref_cnt[3] | 1 | | temporal_group_ref_pic_diff[3][0] | 1 {:.table .table-sm .table-bordered }