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[FFmpeg-devel,v3,1/2] lavc/hevcdec: Put slice address checking after hwaccel decode slice

Message ID 20240624062331.189212-1-fei.w.wang@intel.com
State New
Headers show
Series [FFmpeg-devel,v3,1/2] lavc/hevcdec: Put slice address checking after hwaccel decode slice | expand

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Commit Message

Wang, Fei W June 24, 2024, 6:23 a.m. UTC 
From: Fei Wang <fei.w.wang@intel.com>

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

Fixes hwaccel decoding after d725c737fe2a19091b481d4d115fd939e0a674b2.

Signed-off-by: Fei Wang <fei.w.wang@intel.com>
---
 libavcodec/hevc/hevcdec.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)
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Patch

diff --git a/libavcodec/hevc/hevcdec.c b/libavcodec/hevc/hevcdec.c
index 1d2e53afc3..39beb7e4dc 100644
--- a/libavcodec/hevc/hevcdec.c
+++ b/libavcodec/hevc/hevcdec.c
@@ -2770,15 +2770,6 @@  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) {
@@ -2799,6 +2790,15 @@  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)