From f0319383436e1abc3fc1464fe4e5f4dc40db3419 Mon Sep 17 00:00:00 2001
From: Peter Ross <pross@xvid.org>
Date: Sun, 31 Aug 2008 07:23:48 +0000
Subject: [PATCH] Display error message when user attempts to resample non-S16
 audio formats. Patch supplied by Daniel Serpell <daniel dot serpell at gmail
 dotcom>.

Originally committed as revision 15119 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 ffmpeg.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ffmpeg.c b/ffmpeg.c
index 3c683dced3..91dca40cf4 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -537,6 +537,10 @@ static void do_audio_out(AVFormatContext *s,
         ost->audio_resample = 1;
 
     if (ost->audio_resample && !ost->resample) {
+        if (dec->sample_fmt != SAMPLE_FMT_S16) {
+            fprintf(stderr, "Audio resampler only works with 16 bits per sample, patch welcome.\n");
+            av_exit(1);
+        }
         ost->resample = audio_resample_init(enc->channels,    dec->channels,
                                             enc->sample_rate, dec->sample_rate);
         if (!ost->resample) {