[FFmpeg-cvslog] lavf/utils: fix overestimation of the rational number density.

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon Oct  3 16:32:17 2011 +0200| [85ea5c6e73587b6a7e37ec2e086dab4f7c408b80] | committer: Michael Niedermayer

lavf/utils: fix overestimation of the rational number density.
Fixes Ticket498

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=85ea5c6e73587b6a7e37ec2e086dab4f7c408b80
---

 libavformat/utils.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 65c244a..7fe2a95 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -3016,7 +3016,7 @@ int avformat_write_header(AVFormatContext *s, AVDictionary **options)
                 goto fail;
             }
             if(av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)
-               && FFABS(av_q2d(st->sample_aspect_ratio) - av_q2d(st->codec->sample_aspect_ratio)) > 0.001
+               && FFABS(av_q2d(st->sample_aspect_ratio) - av_q2d(st->codec->sample_aspect_ratio)) > 0.004*av_q2d(st->sample_aspect_ratio)
             ){
                 av_log(s, AV_LOG_ERROR, "Aspect ratio mismatch between encoder and muxer layer\n");
                 ret = AVERROR(EINVAL);