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-rw-r--r--libavcodec/h264.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 8ed9f48d09..0fcc769ef1 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -1567,6 +1567,12 @@ again:
switch (hx->nal_unit_type) {
case NAL_IDR_SLICE:
+ if ((ptr[0] & 0xFC) == 0x98) {
+ av_log(h->avctx, AV_LOG_ERROR, "Invalid inter IDR frame\n");
+ h->next_outputed_poc = INT_MIN;
+ ret = -1;
+ goto end;
+ }
if (h->nal_unit_type != NAL_IDR_SLICE) {
av_log(h->avctx, AV_LOG_ERROR,
"Invalid mix of idr and non-idr slices\n");