Probably fix tff material when rffmode is used

FFMS · Feb 27, 2024 · 073c037 · 073c037
1 parent 73d21fa
commit 073c037
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diff --git a/doc/ffms2-changelog.md b/doc/ffms2-changelog.md
@@ -2,6 +2,7 @@
 - 5.0
   - Fixed all issues with FFmpeg 6.1 which is now the minimum requirement
   - Fixed av1 decoding
+  - Fixed TFF material when rffmode is used
   - Added HDR10+ and DolbyVision metadata
   - Fixed audio decoding that could otherwise get stuck in an infinite loop on certain files
   - Fixed framerate in Avisynth when using VFR=>CFR mode

diff --git a/src/avisynth/avssources.cpp b/src/avisynth/avssources.cpp
@@ -190,6 +190,11 @@ AvisynthVideoSource::AvisynthVideoSource(const char *SourceFile, int Track, FFMS
         }
 
         if (RFFMode == 2) {
+            if (VP->TopFieldFirst) {
+                for (auto &iter : FieldList)
+                    std::swap(iter.Top, iter.Bottom);
+            }
+
             VI.num_frames = (VI.num_frames * 4) / 5;
             VI.fps_denominator *= 5;
             VI.fps_numerator *= 4;