diff --git a/lib/ffmpeg/libavcodec/h264.c b/lib/ffmpeg/libavcodec/h264.c
index 85f2372e2e7b5..1cab49f08407a 100644
--- a/lib/ffmpeg/libavcodec/h264.c
+++ b/lib/ffmpeg/libavcodec/h264.c
@@ -4523,8 +4523,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
                     first_slice = hx->nal_unit_type;
                 }
 
-            // FIXME do not discard SEI id
-            if (avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0)
+            if (avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0 && h->nal_unit_type != NAL_SEI)
                 continue;
 
 again:
diff --git a/lib/ffmpeg/patches/0056-backport-h264-do-not-discard-NAL_SEI-when-skipping-frames.patch b/lib/ffmpeg/patches/0056-backport-h264-do-not-discard-NAL_SEI-when-skipping-frames.patch
new file mode 100644
index 0000000000000..63165a688ddee
--- /dev/null
+++ b/lib/ffmpeg/patches/0056-backport-h264-do-not-discard-NAL_SEI-when-skipping-frames.patch
@@ -0,0 +1,14 @@
+diff --git a/lib/ffmpeg/libavcodec/h264.c b/lib/ffmpeg/libavcodec/h264.c
+index 85f2372..1cab49f 100644
+--- a/lib/ffmpeg/libavcodec/h264.c
++++ b/lib/ffmpeg/libavcodec/h264.c
+@@ -4523,8 +4523,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
+                     first_slice = hx->nal_unit_type;
+                 }
+ 
+-            // FIXME do not discard SEI id
+-            if (avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0)
++            if (avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0 && h->nal_unit_type != NAL_SEI)
+                 continue;
+ 
+ again: