diff --git a/libavformat/demux.c b/libavformat/demux.c
index af0ca32d2e..f0c5c0f8b4 100644
--- a/libavformat/demux.c
+++ b/libavformat/demux.c
@@ -1978,7 +1978,7 @@ static int has_codec_parameters(const AVStream *st, const char **errmsg_ptr)
         if (!avctx->width)
 #ifdef OHOS_OPTIMIZE_DELAY
         if (!(st->codecpar->codec_id == AV_CODEC_ID_HEVC) &&
-            !(st->disposition & AV_DISPOSITION_ATTACHED_PIC))
+            !((unsigned int)st->disposition & AV_DISPOSITION_ATTACHED_PIC))
 #endif
             FAIL("unspecified size");
         if (sti->info->found_decoder >= 0 && avctx->pix_fmt == AV_PIX_FMT_NONE)
diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c
index eec7eb0cdb..931e693b60 100644
--- a/libavformat/flvdec.c
+++ b/libavformat/flvdec.c
@@ -1119,8 +1119,8 @@ retry:
         flags    = avio_r8(s->pb);
         size--;
 #ifdef OHOS_H265_DEMUXER
-        video_codec_id = flags & FLV_VIDEO_CODECID_MASK;
-        enhanced_flv = (flags >> 7) & 1;
+        video_codec_id = (unsigned int)flags & FLV_VIDEO_CODECID_MASK;
+        enhanced_flv = ((unsigned int)flags >> 7) & 1;
         if (enhanced_flv) {
             video_codec_id = avio_rb32(s->pb);
             size -= 4;