[FFmpeg-cvslog] lavc/hevcdec: Add slice parse support for HEVC SCC extension

[Linjie Fu]

ffmpeg | branch: master | Linjie Fu <linjie.fu at intel.com> | Thu Feb 16 13:46:30 2023 +0800| [c1dceaf0c74fc010cf43744c36af6d9ebaa0b13d] | committer: Haihao Xiang

lavc/hevcdec: Add slice parse support for HEVC SCC extension

Signed-off-by: Linjie Fu <linjie.justin.fu at gmail.com>
Signed-off-by: Fei Wang <fei.w.wang at intel.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c1dceaf0c74fc010cf43744c36af6d9ebaa0b13d
---

 libavcodec/hevcdec.c | 6 ++++++
 libavcodec/hevcdec.h | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c
index 567e8d81d4..f9a97ac7f5 100644
--- a/libavcodec/hevcdec.c
+++ b/libavcodec/hevcdec.c
@@ -856,6 +856,12 @@ static int hls_slice_header(HEVCContext *s)
             sh->slice_cr_qp_offset = 0;
         }
 
+        if (s->ps.pps->pps_slice_act_qp_offsets_present_flag) {
+            sh->slice_act_y_qp_offset  = get_se_golomb(gb);
+            sh->slice_act_cb_qp_offset = get_se_golomb(gb);
+            sh->slice_act_cr_qp_offset = get_se_golomb(gb);
+        }
+
         if (s->ps.pps->chroma_qp_offset_list_enabled_flag)
             sh->cu_chroma_qp_offset_enabled_flag = get_bits1(gb);
         else
diff --git a/libavcodec/hevcdec.h b/libavcodec/hevcdec.h
index 9d3f4adbb3..7841ba8565 100644
--- a/libavcodec/hevcdec.h
+++ b/libavcodec/hevcdec.h
@@ -295,6 +295,10 @@ typedef struct SliceHeader {
     int slice_cb_qp_offset;
     int slice_cr_qp_offset;
 
+    int slice_act_y_qp_offset;
+    int slice_act_cb_qp_offset;
+    int slice_act_cr_qp_offset;
+
     uint8_t cu_chroma_qp_offset_enabled_flag;
 
     int beta_offset;    ///< beta_offset_div2 * 2