From 70974bdb278373e346bcc3fd59c9e413f8055fa5 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Mon, 21 Nov 2011 23:32:39 +0100
Subject: ffmpeg: Fix segfault when using ffmpeg with ffserver where ffmpeg
 does not supply all requested streams. Fixes Ticket675

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 ffmpeg.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'ffmpeg.c')

diff --git a/ffmpeg.c b/ffmpeg.c
index 623716a14e..8935b17056 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -3935,6 +3935,10 @@ static void opt_output_file(void *optctx, const char *filename)
                     break;
                 }
             }
+            if(!ost->sync_ist){
+                av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
+                exit_program(1);
+            }
         }
     } else if (!o->nb_stream_maps) {
         /* pick the "best" stream of each type */
-- 
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