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2013-09-20, 14:21
(This post was last modified: 2013-09-20, 14:21 by Memphiz.)
please provide a sample flac for me to test.
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I have just today updated to 12.3 on Mavericks - it runs fine but i still can't get any kind of trascoding to work. Bothe AAC and DTS files output stereo despite only AC3 being selected in settings. These files still work in Eden.
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transcoding is not available in frodo 12.x it was added for gotham and until this is released is available in current nightly and alpha builds.
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PalleO
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I had success transcoding audio in Gotham monthly Alpha 9, but since that, the transcoding has been removed (?) Really a shame, since I really need this function, and Alpha 9 is getting outdated, with a lot of add-ons not functioning more. So Memphis, you're saying that this will be enabled in Gotham?
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It was not removed. It works same as before. Most likely you have set your speaker config to something bigger then 2.0. This causes LPCM decoding to kick in which might just not work for you.
For current gotham versions the following settings are sane defaults which should work for most cases (including transcoding):
SpeakerLayout: 2.0
enable AC3
enable DTS (if receiver supports it)
device "default"
done.
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PalleO
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YAY, it works perfectly! Thanks for the tip, but in my opinion, it doesn't make a lot of sense that I have to configure my system to 2.0 sound, when I have a 5.1 receiver (?) Can someone explain this to me?
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*sigh* - yes i can ...
2.0 is the number of channels we are opening in the device. For all passed through audio like DTS and AC3 we need 2 channels (as those 5.1 channels are encoded into 2.0 pcm channels). Setting the speakerlayout higher results in the activation of LPCM. LPCM means XBMC decodes all channels from the 2.0 encoded DTS, AC3 sound (resulting in 6 channels for 5.1) - remaps them according to the audio device and then puts them out as 6 pcm channels (this is 3 times more data then the 2.0 encoded channels from DTS, AC3 passthrough).
Since we have issues with mapping the channels from input format 5.1 to device format 5.1 atm - this may result in silence instead of audio.
I hope this clears it up a bit (and i hope i remember this post for future questions in this direction instead of retyping it everytime *haha*).
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Many many thanks - saved me a bunch a work converting 2.0 - 5.1!