From 6e67852881e4c8c3ef80dd6c3142c286bee6e272 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Sat, 31 May 2014 13:25:31 +0200
Subject: [PATCH] Use rc_max_rate in av_find_best_stream() if bitrate == 0.

Fixes ticket #2042.
---
 libavformat/utils.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index d8f136386a..1f722410b2 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -3559,6 +3559,8 @@ int av_find_best_stream(AVFormatContext *ic, enum AVMediaType type,
         }
         count = st->codec_info_nb_frames;
         bitrate = avctx->bit_rate;
+        if (!bitrate)
+            bitrate = avctx->rc_max_rate;
         multiframe = FFMIN(5, count);
         if ((best_multiframe >  multiframe) ||
             (best_multiframe == multiframe && best_bitrate >  bitrate) ||