git-svn-id: https://casparcg.svn.sourceforge.net/svnroot/casparcg/server/branches...

diff --git a/modules/ffmpeg/consumer/ffmpeg_consumer.cpp b/modules/ffmpeg/consumer/ffmpeg_consumer.cpp
index 5d6ae1dcec9ff66b7c1b60f0e01ba4241c4d5ea0..89986df40bf0dbaca0bc11dd6531bc8a008258f6 100644 (file)
--- a/modules/ffmpeg/consumer/ffmpeg_consumer.cpp
+++ b/modules/ffmpeg/consumer/ffmpeg_consumer.cpp
@@ -401,7 +401,7 @@ public:
                                \r
                boost::range::remove_erase_if(options, [&](const option& o)\r
                {\r
-                       return ffmpeg::av_opt_set(c, o.name.c_str(), o.value.c_str(), AV_OPT_SEARCH_CHILDREN) > -1;\r
+                       return o.name.at(0) != 'a' && ffmpeg::av_opt_set(c, o.name.c_str(), o.value.c_str(), AV_OPT_SEARCH_CHILDREN) > -1;\r
                });\r
                                \r
                if(output_format_.format->flags & AVFMT_GLOBALHEADER)\r