id	summary	reporter	owner	description	type	status	priority	component	version	resolution	keywords	cc	blockedby	blocking	reproduced	analyzed
2099	FFMPEG Does not allow TrueHD, DTS-Master Audio or DTS in .M4V even though format supports it	JohnGalt		"Summary of the bug:
How to reproduce:
{{{
% ffmpeg -i ""source.mkv"" -map 0:0 -map 0:1 -map 0:1 -c:v copy -c:a:0 copy -c:a:1 ac3 -ac 6 -ab 448k ""destination.m4v""
N-48284-g518239c
Dec 29 2012 22:41:41
}}}

Source file is H264 + DTS-Master Audio Track.

Attempting to output h264 + DTS Master Audio + ac3 fall back track.

Standard says that DTS Master, DTS, and TrueHD are supported by M4V, however FFMPEG throws:

track 1: could not find tag, codec not currently supported in container

"	enhancement	closed	wish	avformat	git-master	needs_more_info	mov dca thd				0	0