[FFmpeg-devel] [PATCH]Set dfa dar to 4/3

[Carl Eugen Hoyos]

Hi!

Attached patch fixes the aspect for the new LOGO sample in 
game-formats/chronomaster-dfa/ here.

Please comment, Carl Eugen
-------------- next part --------------
diff --git a/libavformat/dfa.c b/libavformat/dfa.c
index 8cf2f24..7467cbd 100644
--- a/libavformat/dfa.c
+++ b/libavformat/dfa.c
@@ -61,6 +61,8 @@ static int dfa_read_header(AVFormatContext *s)
     avpriv_set_pts_info(st, 24, mspf, 1000);
     avio_skip(pb, 128 - 16); // padding
     st->duration = frames;
+    av_reduce(&st->sample_aspect_ratio.num, &st->sample_aspect_ratio.den,
+              4 * st->codec->height, 3 * st->codec->width, INT_MAX);
 
     return 0;
 }