From e00c3de8210c39ab99b3c7aee3e0199ccdbf4c6b Mon Sep 17 00:00:00 2001
From: Baptiste Coudurier <baptiste.coudurier@gmail.com>
Date: Wed, 3 Sep 2008 19:31:03 +0000
Subject: [PATCH] forbid mp3 < 16000hz in anything except mov

Originally committed as revision 15189 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/movenc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index ab7e02c73b..a58c343496 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1610,6 +1610,12 @@ static int mov_write_header(AVFormatContext *s)
             }else{
                 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
             }
+            if(track->mode != MODE_MOV &&
+               track->enc->codec_id == CODEC_ID_MP3 && track->enc->sample_rate < 16000){
+                av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
+                       i, track->enc->sample_rate);
+                return -1;
+            }
         }
     }