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kilzo · 2013-01-20, 22:11

hi each time i play 7.1 video its show as 5.1 in the title

how to fix it please
thanks .

DDDamian · 2013-01-21, 04:18

This could be a skin issue or a ffmpeg stream detection issue - tried other skins with the same file?

**Ace** · (This post was last modified: 2013-01-21, 10:10 by Ace.)

Hi, two related threads: http://forum.xbmc.org/showthread.php?tid=138661 and http://forum.xbmc.org/showthread.php?tid=137516 .
In sum as DDDamian said, a ffmpeg stream detection issue.
Maybe this will change with the new ffmpeg version (1.1) after frodo, since one point of its changelog (http://git.videolan.org/?p=ffmpeg.git;a=...=Changelog ) is

Quote:- DTS-HD demuxer

**jjd-uk** · 2013-01-21, 13:30

(2013-01-21, 10:03)ace20022 Wrote: Hi, two related threads: http://forum.xbmc.org/showthread.php?tid=138661 and http://forum.xbmc.org/showthread.php?tid=137516 .
In sum as DDDamian said, a ffmpeg stream detection issue.
Maybe this will change with the new ffmpeg version (1.1) after frodo, since one point of its changelog (http://git.videolan.org/?p=ffmpeg.git;a=...=Changelog ) is
Quote:- DTS-HD demuxer

Interesting, I wonder if that means ffmeg can now decode DTS-HD MA?

**Ace** · 2013-01-21, 14:55

I posted a brief comparison between an old ffmpeg and a new one here: http://forum.xbmc.org/showthread.php?tid...pid1305781

DDDamian · 2013-01-21, 17:40

(2013-01-21, 13:30)jjd-uk Wrote:
(2013-01-21, 10:03)ace20022 Wrote: Hi, two related threads: http://forum.xbmc.org/showthread.php?tid=138661 and http://forum.xbmc.org/showthread.php?tid=137516 .
In sum as DDDamian said, a ffmpeg stream detection issue.
Maybe this will change with the new ffmpeg version (1.1) after frodo, since one point of its changelog (http://git.videolan.org/?p=ffmpeg.git;a=...=Changelog ) is
Quote:- DTS-HD demuxer
Interesting, I wonder if that means ffmeg can now decode DTS-HD MA?

Not yet. Demux != decode.

**jjd-uk** · 2013-01-21, 18:19

Ah alright, probably being really dumb here, but what would be the point of a demuxer if you didn't have a decoder? unless it's just a stepping stone to full decode?

Btw, if anyone is interested this is the commit http://git.videolan.org/?p=ffmpeg.git;a=...e4740565b6

DDDamian · 2013-01-21, 18:24

Basically the demuxer seperates the a/v packets out of the overall stream. Video goes to a decoder, audio to a decoder. In the case of TrueHD ffmpeg can decode to PCM, not so with DTS-HD MA - it still must be passed thru and decoded by an AVR.