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25th January 2022, 14:15 | #1183 | Link | |
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It would be a very nice option - if plain TrueHD is detected, add an option to generate THD+AC3 with empty core all within tsMuxer. |
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26th January 2022, 12:52 | #1185 | Link |
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Oh, yeah, I know and use that already.
What I'm saying is it would be more convenient to have this within tsMuxer. For me, eac3to takes quite some time to transcode TrueHD to AC3 for core. I assume it'd be faster to have tsMuxer generate empty frames. In my case, I'm playing my media on an Oppo clone which passes audio to my AVR which supports TrueHD. So I'm ok with an empty core. Other users might have different use cases. |
26th January 2022, 18:51 | #1187 | Link | |
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On the plus side (if I understand correctly), it sounds like it might be possible to create an 'Blu-ray spec compliant' empty/fake (32kbps 2-channel) core using TSmuxer alone
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26th January 2022, 19:06 | #1188 | Link |
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How do you make thd+ac3 with a fake 32kbps core without re-encoding?
Last time I checked, encoding at 640 or 32kbps in eac3to takes the same time. So if making an empty core is possible right now, i'd like to know how because I'm wasting a LOT of time re-encoding a 640 ac3 to my trueHD track from mkv files. |
26th January 2022, 19:19 | #1189 | Link |
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From what I understand... This is what's currently being looked into/investigated... It's not an option yet!
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28th January 2022, 21:07 | #1194 | Link | |
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https://forum.doom9.org/showthread.p...32#post1931032 I would keep both options available though because some ST-DL files won't play at all. EDIT:. it turns out the x800m2 is not affected by this bug, it might be an x700/oppo bug after all because I read they both have the same SOC Last edited by Kuler087; 16th February 2022 at 13:17. |
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29th January 2022, 21:39 | #1196 | Link | |
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Whilst TrueHD frames are totally independent from the ac3 frames: the frames are simply interleaved in the same stream. Last edited by a5180007; 29th January 2022 at 21:43. |
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29th January 2022, 22:38 | #1197 | Link | |
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27th February 2022, 16:44 | #1200 | Link |
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@von Suppé True-HD was easy: if there are four substreams, the fourth is deemed to be Atmos.
It is more complicated for EAC3 JOC: from what I can gather all audio frame and blocks need to be fully parsed before arriving to the auxiliary data, so as to test the presence of Atmos metadata. |
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