Do not round aspect ratio when one of its values exceed 255.

- Use the same limit everywhere for consistency.
- Add one missing cast to avoid possible overflow.

2 files changed, 3 insertions, 3 deletions

diff --git a/demuxer/Demuxers/LAVFDemuxer.cpp b/demuxer/Demuxers/LAVFDemuxer.cpp
index 980681b4..d59c7841 100644
--- a/demuxer/Demuxers/LAVFDemuxer.cpp
+++ b/demuxer/Demuxers/LAVFDemuxer.cpp
@@ -950,7 +950,7 @@ STDMETHODIMP CLAVFDemuxer::CreatePacketMediaType(Packet *pPacket, enum AVCodecID
           }
           if (aspect_num && aspect_den) {
             int num = vih2->bmiHeader.biWidth, den = vih2->bmiHeader.biHeight;
-            av_reduce(&num, &den, (int64_t)aspect_num * num, (int64_t)aspect_den * den, 255);
+            av_reduce(&num, &den, (int64_t)aspect_num * num, (int64_t)aspect_den * den, INT_MAX);
             vih2->dwPictAspectRatioX = num;
             vih2->dwPictAspectRatioY = den;
           }
diff --git a/demuxer/Demuxers/LAVFVideoHelper.cpp b/demuxer/Demuxers/LAVFVideoHelper.cpp
index 380733ed..ac494a16 100644
--- a/demuxer/Demuxers/LAVFVideoHelper.cpp
+++ b/demuxer/Demuxers/LAVFVideoHelper.cpp
@@ -270,9 +270,9 @@ VIDEOINFOHEADER2 *CLAVFVideoHelper::CreateVIH2(const AVStream* avstream, ULONG *
   AVRational rc = avstream->codec->sample_aspect_ratio;
   int num = vih->bmiHeader.biWidth, den = vih->bmiHeader.biHeight;
   if (r.den > 0 && r.num > 0) {
-    av_reduce(&num, &den, (int64_t)r.num * num, (int64_t)r.den * den, 255);
+    av_reduce(&num, &den, (int64_t)r.num * num, (int64_t)r.den * den, INT_MAX);
   } else if (rc.den > 0 && rc.num > 0) {
-    av_reduce(&num, &den, (int64_t)rc.num * num, (int64_t)rc.den * den, 255);
+    av_reduce(&num, &den, (int64_t)rc.num * num, (int64_t)rc.den * den, INT_MAX);
   } else {
     av_reduce(&num, &den, num, den, num);
   }