[FFmpeg-devel] [PATCH] cbs_h266: H266RawSliceHeader, expose curr_subpic_idx

[Nuo Mi <nuomi2021@gmail.com>]

---
 libavcodec/cbs_h266.h                 | 1 +
 libavcodec/cbs_h266_syntax_template.c | 9 ++++-----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/libavcodec/cbs_h266.h b/libavcodec/cbs_h266.h
index 3a6f6d96b5..a263e898bf 100644
--- a/libavcodec/cbs_h266.h
+++ b/libavcodec/cbs_h266.h
@@ -832,6 +832,7 @@ typedef struct  H266RawSliceHeader {
     uint32_t sh_entry_point_offset_minus1[VVC_MAX_ENTRY_POINTS];
 
     // derived values
+    uint16_t curr_subpic_idx;               ///< CurrSubpicIdx
     uint32_t num_entry_points;              ///< NumEntryPoints
     uint8_t  num_ref_idx_active[2];         ///< NumRefIdxActive[]
 
diff --git a/libavcodec/cbs_h266_syntax_template.c b/libavcodec/cbs_h266_syntax_template.c
index 4075897b9a..f0d428a478 100644
--- a/libavcodec/cbs_h266_syntax_template.c
+++ b/libavcodec/cbs_h266_syntax_template.c
@@ -3010,7 +3010,6 @@ static int FUNC(slice_header) (CodedBitstreamContext *ctx, RWContext *rw,
     const H266RefPicLists *ref_pic_lists;
     int err, i;
     uint8_t nal_unit_type, qp_bd_offset;
-    uint16_t curr_subpic_idx;
     uint16_t num_slices_in_subpic;
 
     HEADER("Slice Header");
@@ -3048,7 +3047,7 @@ static int FUNC(slice_header) (CodedBitstreamContext *ctx, RWContext *rw,
         ub(sps->sps_subpic_id_len_minus1 + 1, sh_subpic_id);
         for (i = 0; i <= sps->sps_num_subpics_minus1; i++) {
             if (pps->sub_pic_id_val[i] == current->sh_subpic_id) {
-                curr_subpic_idx = i;
+                current->curr_subpic_idx = i;
                 break;
             }
         }
@@ -3057,10 +3056,10 @@ static int FUNC(slice_header) (CodedBitstreamContext *ctx, RWContext *rw,
             return AVERROR_INVALIDDATA;
         }
     } else {
-        curr_subpic_idx = 0;
+        current->curr_subpic_idx = 0;
     }
 
-    num_slices_in_subpic = pps->num_slices_in_subpic[curr_subpic_idx];
+    num_slices_in_subpic = pps->num_slices_in_subpic[current->curr_subpic_idx];
 
     if ((pps->pps_rect_slice_flag && num_slices_in_subpic > 1) ||
         (!pps->pps_rect_slice_flag && pps->num_tiles_in_pic > 1)) {
@@ -3377,7 +3376,7 @@ static int FUNC(slice_header) (CodedBitstreamContext *ctx, RWContext *rw,
         if (pps->pps_rect_slice_flag) {
             int width_in_tiles;
             int slice_idx = current->sh_slice_address;
-            for (i = 0; i < curr_subpic_idx; i++) {
+            for (i = 0; i < current->curr_subpic_idx; i++) {
                 slice_idx += pps->num_slices_in_subpic[i];
             }
             width_in_tiles =
-- 
2.25.1

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