X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmpeg12dec.c;h=186fbd27b6376207095f939e7de88f355c6c630c;hb=49ae8a5e87f99b15514f5ef075d801e9ea8374e9;hp=e49167f89eb3a41f8d2aadf09c74a87724ed618f;hpb=3a033bc5cfaeec391a8258005e025ddf3971d8bc;p=ffmpeg

diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
index e49167f89eb..186fbd27b63 100644
--- a/libavcodec/mpeg12dec.c
+++ b/libavcodec/mpeg12dec.c
@@ -1242,7 +1242,8 @@ static int mpeg_decode_postinit(AVCodecContext *avctx)
 
     if (avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO) {
         // MPEG-1 aspect
-        avctx->sample_aspect_ratio = av_d2q(1.0 / ff_mpeg1_aspect[s->aspect_ratio_info], 255);
+        AVRational aspect_inv = av_d2q(ff_mpeg1_aspect[s->aspect_ratio_info], 255);
+        avctx->sample_aspect_ratio = (AVRational) { aspect_inv.den, aspect_inv.num };
     } else { // MPEG-2
         // MPEG-2 aspect
         if (s->aspect_ratio_info > 1) {