[FFmpeg-cvslog] lavc/hevcdec: Put slice address checking after hwaccel decode slice

[Fei Wang]

ffmpeg | branch: master | Fei Wang <fei.w.wang at intel.com> | Mon Jun 24 14:23:30 2024 +0800| [e741cf665d58a2c230906847b26650bb532f9d05] | committer: Fei Wang

lavc/hevcdec: Put slice address checking after hwaccel decode slice

Slice address tab only been updated in software decode slice data.

Fixes hwaccel decoding after d725c737fe2a19091b481d4d115fd939e0a674b2.

Signed-off-by: Fei Wang <fei.w.wang at intel.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e741cf665d58a2c230906847b26650bb532f9d05
---

 libavcodec/hevc/hevcdec.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/libavcodec/hevc/hevcdec.c b/libavcodec/hevc/hevcdec.c
index fd143cddab..35e6daf858 100644
--- a/libavcodec/hevc/hevcdec.c
+++ b/libavcodec/hevc/hevcdec.c
@@ -2765,15 +2765,6 @@ static int decode_slice_data(HEVCContext *s, const H2645NAL *nal, GetBitContext
     const HEVCPPS *pps = s->pps;
     int ret;
 
-    if (s->sh.dependent_slice_segment_flag) {
-        int ctb_addr_ts = pps->ctb_addr_rs_to_ts[s->sh.slice_ctb_addr_rs];
-        int prev_rs = pps->ctb_addr_ts_to_rs[ctb_addr_ts - 1];
-        if (s->tab_slice_address[prev_rs] != s->sh.slice_addr) {
-            av_log(s->avctx, AV_LOG_ERROR, "Previous slice segment missing\n");
-            return AVERROR_INVALIDDATA;
-        }
-    }
-
     if (!s->sh.dependent_slice_segment_flag && s->sh.slice_type != HEVC_SLICE_I) {
         ret = ff_hevc_slice_rpl(s);
         if (ret < 0) {
@@ -2794,6 +2785,15 @@ static int decode_slice_data(HEVCContext *s, const H2645NAL *nal, GetBitContext
         return AVERROR_PATCHWELCOME;
     }
 
+    if (s->sh.dependent_slice_segment_flag) {
+        int ctb_addr_ts = pps->ctb_addr_rs_to_ts[s->sh.slice_ctb_addr_rs];
+        int prev_rs = pps->ctb_addr_ts_to_rs[ctb_addr_ts - 1];
+        if (s->tab_slice_address[prev_rs] != s->sh.slice_addr) {
+            av_log(s->avctx, AV_LOG_ERROR, "Previous slice segment missing\n");
+            return AVERROR_INVALIDDATA;
+        }
+    }
+
     s->local_ctx[0].first_qp_group = !s->sh.dependent_slice_segment_flag;
 
     if (!pps->cu_qp_delta_enabled_flag)