[FFmpeg-user] TrueHD Issues/Remux

Nomis101 Nomis101 at web.de
Sun May 17 19:40:28 EEST 2020

Am 17.05.20 um 17:12 schrieb Ed Warner via ffmpeg-user:
> I’m a new user to FFmpeg and having some issues I can’t find answers to.  Here’s what I’ve done I’m trying to accomplish:
> 1.  I have some 4K DVDs that I made mkv file.  I want to put those in mp4/m4v for playing back on Apple TV.2.  I trying to use FFmpeg to remux to mp4/mv4 so I don’t lose quality of video.  In short, just trying to remux mkv to mp4/m4v
> I’m getting the following error when I run this script:  ffmpeg -i /Users/goyo/Movies/Pirates_t00.mkv -codec copy Pirates.mp4I get the following error:[mp4 @ 0x7fa36306aa00] Could not find tag for codec truehd in stream #1, codec not currently supported in containerCould not write header for output file #0 (incorrect codec parameters ?): Invalid argumentStream mapping:  Stream #0:0 -> #0:0 (copy)  Stream #0:1 -> #0:1 (copy)    Last message repeated 1 timesI am not a programmer, just an end user looking for a solution to move my discs to playable storage. Looking for some direction and help.Thanks in advance.
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If you want to mux TrueHD into MP4, you need the latest developer version of FFmpeg, because experimental support for that was just recently added. Because it is
experimental, you also need to add "-strict -2". But, there is currently no hardware supporting this, so AppleTV will not be able to play the resulting file. For
AppleTV I recommend converting the audio stream to E-AC3 instead.

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