From 911f9b714e5f54ceea0dd8b364a107d814896040 Mon Sep 17 00:00:00 2001
From: Baptiste Coudurier <baptiste.coudurier@gmail.com>
Date: Wed, 6 Jun 2007 13:21:50 +0000
Subject: [PATCH] warn user if video codec timebase is very high

Originally committed as revision 9232 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/movenc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 8f4f792c3c..293b3b3f33 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1488,6 +1488,11 @@ static int mov_write_header(AVFormatContext *s)
             track->tag = mov_find_video_codec_tag(s, track);
             track->timescale = st->codec->time_base.den;
             av_set_pts_info(st, 64, 1, st->codec->time_base.den);
+            if (track->timescale > 100000)
+                av_log(NULL, AV_LOG_WARNING,
+                       "WARNING codec timebase is very high. If duration is too long,\n"
+                       "file may not be playable by quicktime. Specify a shorter timebase\n"
+                       "or choose different container.\n");
         }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
             track->tag = mov_find_audio_codec_tag(s, track);
             track->timescale = st->codec->sample_rate;