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hardware OS4   hardware OS4 : Decoding DTS sounds from your DVD files
   posted by Chip on 20-Oct-2005 12:41:54 (4550 reads)
I've just released the second audio decoder codec for AmigaOS4 what can be download from os4depot.

The dca.codec helps all avcodec.library using application (for example: DvPlayer) to be able to decode DTS sounds from mpeg2 streams.



The installation is very easy: copy the dca.codec file from the archive's bin directory to your libs:avcodecs dir and if you already used a player what opened it, execute an 'avail flush ' command.

Enjoy!
    

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PosterThread
cHaOs667 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 13:45:32
#1 ]
Cult Member
Joined: 12-Nov-2004
Posts: 706
From: Bad Homburg v.d.H., Germany

Wow really cool.. i think its time to buy DvPlayer... anyone who knows if i can purchase DvPlayer without an Credit card?


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Anonymous 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 13:47:11
# ]



So THAT is its' purpose Great! I already downloaded and put it in
the mentioned destination

 
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AmigaPapst 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 13:47:58
#3 ]
Cult Member
Joined: 2-Nov-2003
Posts: 628
From: Amigavatikan

Great, but support AHI DTS or Dolby Digital?
->


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Toaks 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 13:51:35
#4 ]
Elite Member
Joined: 10-Mar-2003
Posts: 8042
From: amigaguru.com

great job chip!.


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DaveAE 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 14:29:01
#5 ]
Super Member
Joined: 21-Mar-2003
Posts: 1091
From: The Netherlands

Quote:
Great, but support AHI DTS or Dolby Digital?


Neither, otherwise this library wouldn't have to decode, right?
The decoder decodes to normal PCM audio.


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afxgroup 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 14:38:52
#6 ]
Super Member
Joined: 8-Mar-2004
Posts: 1968
From: Taranto, Italy

the next version of mplayer will support DTS too

However chip, i've send to you a library.. you should create a shared library for DVplayer of that..


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Chip 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 14:54:58
#7 ]
Cult Member
Joined: 4-Mar-2005
Posts: 574
From: Budapest, Hungary

Thanks! I'll see what can I do.

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AmigaPapst 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 14:55:41
#8 ]
Cult Member
Joined: 2-Nov-2003
Posts: 628
From: Amigavatikan

@DaveAE
Oh ok, i unterstand.
When can handel AHI 5.1- or 6.1-Sound (Dolby Digital)?
I would like to have a cinema atmosphere in my Amiga-room.


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DaveAE 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 15:10:12
#9 ]
Super Member
Joined: 21-Mar-2003
Posts: 1091
From: The Netherlands

Quote:
When can handel AHI 5.1- or 6.1-Sound (Dolby Digital)?

Don't ask me!


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Chip 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 16:14:02
#10 ]
Cult Member
Joined: 4-Mar-2005
Posts: 574
From: Budapest, Hungary

Quote:
When can handel AHI 5.1- or 6.1-Sound (Dolby Digital)?


Ask Martin.

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AmigaPapst 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 16:51:06
#11 ]
Cult Member
Joined: 2-Nov-2003
Posts: 628
From: Amigavatikan

Oh sorry.
I will ask Martin Blom.


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Samwel 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 18:09:51
#12 ]
Elite Member
Joined: 7-Apr-2004
Posts: 3404
From: Sweden

Hey Chip!

Great work!

What about MPEG audio streams? Is these handled internally by DvPlayer?
I ask because I have some older DVD's with this audio type.

Not super important but kind of good if DvPlayer/avcodec supported it.
You know when DVD first came to Europe MPEG and Dolby Digital fought
about becoming default audio standard, Dolby Digital obviously won.
So alot of the earlier DVD's came with MPEG multi channel audio.
DTS came later on.. But DTS is kind of standard today also, for HQ
multi channel audio anyway.


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Chip 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 18:37:11
#13 ]
Cult Member
Joined: 4-Mar-2005
Posts: 574
From: Budapest, Hungary

What about trying and see if it works? I think it will.

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Samwel 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 18:49:12
#14 ]
Elite Member
Joined: 7-Apr-2004
Posts: 3404
From: Sweden

@Chip

Ohh

I have not tried since all my old DVD's are in box
Good to hear it works though, it seems DvPlayer then have almost
full support of DVD audio.

How about DTS 24/96, DTS/ES 6.1, DTS/ES 6.1 Discrete and Dolby Digital EX 7.1?
Are these handled correctly when we get a sound system supporting multi
channel?

Also one other question.. If I playback with digital out setup on my audio card,
does DvPlayer/dca.library/a52.library still decode audio streams?

Last edited by Samwel on 20-Oct-2005 at 06:49 PM.


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Georg 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 20:32:27
#15 ]
Regular Member
Joined: 14-May-2003
Posts: 449
From: Unknown

Quote:
When can handel AHI 5.1- or 6.1-Sound (Dolby Digital)?


From AHI ChangeLog:

2004-06-08 Martin Blom
* Added 7.1 multichannel support. And there was much rejoicing.

2004-07-27 Martin Blom

* emu10kx.audio: Added 5.1 multichannel support for Live!
cards. And there was much rejoicing.

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Mr_Capehill 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 20:51:59
#16 ]
Super Member
Joined: 15-Mar-2003
Posts: 1932
From: Yharnam

@Georg: hehe, god bless that guy :)

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Toaks 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 22:34:43
#17 ]
Elite Member
Joined: 10-Mar-2003
Posts: 8042
From: amigaguru.com

samwel:if digital out actually works on your soundcard then it should work i guess as it was added but i dont know...im still on 2+1 so...


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Moxee 
Re: Decoding DTS sounds from your DVD files
Posted on 20-Oct-2005 23:43:06
#18 ]
Team Member
Joined: 20-Aug-2003
Posts: 6291
From: County Yakima, WA State, USA


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Rachy 
Re: Decoding DTS sounds from your DVD files
Posted on 21-Oct-2005 6:51:25
#19 ]
Regular Member
Joined: 21-May-2004
Posts: 276
From: Auckland, New Zealand

Nice work, Chip! :)


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DaveAE 
Re: Decoding DTS sounds from your DVD files
Posted on 21-Oct-2005 7:57:26
#20 ]
Super Member
Joined: 21-Mar-2003
Posts: 1091
From: The Netherlands

@Georg

The 7.1 mode is actually an 8-channel PCM mode. IIRC, DvPlayer can decode to that. Only the emu10kx driver supports it though.


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