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-rw-r--r--libavcodec/hevc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c
index b067f52..666a28c 100644
--- a/libavcodec/hevc.c
+++ b/libavcodec/hevc.c
@@ -2208,6 +2208,7 @@ static int hevc_frame_start(HEVCContext *s)
lc->start_of_tiles_x = 0;
s->is_decoded = 0;
+ s->first_nal_type = s->nal_unit_type;
if (s->pps->tiles_enabled_flag)
lc->end_of_tiles_x = s->pps->column_width[0] << s->sps->log2_ctb_size;
@@ -2332,6 +2333,13 @@ static int decode_nal_unit(HEVCContext *s, const uint8_t *nal, int length)
return AVERROR_INVALIDDATA;
}
+ if (s->nal_unit_type != s->first_nal_type) {
+ av_log(s->avctx, AV_LOG_ERROR,
+ "Non-matching NAL types of the VCL NALUs: %d %d\n",
+ s->first_nal_type, s->nal_unit_type);
+ return AVERROR_INVALIDDATA;
+ }
+
if (!s->sh.dependent_slice_segment_flag &&
s->sh.slice_type != I_SLICE) {
ret = ff_hevc_slice_rpl(s);
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