diff --git a/libavformat/mov.c b/libavformat/mov.c
index 83a48335ac..a6732ad3e0 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -9574,6 +9574,9 @@ static int mov_read_header(AVFormatContext *s)
             st->codecpar->width  = item->width;
             st->codecpar->height = item->height;
 
+            if (sc->sample_count != 1 || sc->chunk_count != 1)
+                return AVERROR_INVALIDDATA;
+
             sc->sample_sizes[0]  = item->extent_length;
             sc->chunk_offsets[0] = item->extent_offset + offset;