[MPlayer-users] RE: cygwin mplayer -dumpstream = no audio?

Jeff Schiller jeff_schiller at hotmail.com
Wed Dec 1 05:21:06 CET 2004



>From: "Jeff Schiller" <jeff_schiller at hotmail.com>
>To: MPlayer-users at mplayerhq.hu
>Subject: RE: cygwin mplayer -dumpstream = no audio?
>Date: Tue, 30 Nov 2004 10:50:00 -0600
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> >Date: Tue, 30 Nov 2004 10:41:16 +0100
> >From: Hans-Carl Oberdalhoff <hco at gmx.de>
> >Subject: Re: [MPlayer-users] RE: cygwin mplayer -dumpstream = no
> >	audio?
> >To: "MPlayer usage questions, features,	bugreports"
> >	<mplayer-users at mplayerhq.hu>
> >Message-ID: <41AC403C.1000009 at gmx.de>
> >Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> >
> >Jeff Schiller wrote:
> >>
> >>Opening audio decoder: [liba52] AC3 decoding with liba52
> >>Using 3DNowEx optimized IMDCT transform
> >>AC3: 1.0 (mono)  48000 Hz  192.0 kbit/s
> >>Using MMX optimized resampler
> >>AUDIO: 48000 Hz, 2 ch, 16 bit (0x10), ratio: 24000->192000 (192.0 kbit)
> >>Selected audio codec: [a52] afm:liba52 (AC3-liba52)
> >
> >Obviously, your Windows Media Player doesn't handle ac3.
> >Maybe you need a DirectShow filter for it. Look for ffdshow :)
> >
> >Btw, is ac3 1.0 (mono) normal??
> >
> >Bye,
> >hco
>
>Actually I know the source is a DVD that has Mono Audio (it's old public 
>domain cartoons), but I don't know if it's encoded as AC3 or what.  I guess 
>mplayer is telling me that it's AC3?
>
>hco, Windows Media Player is able to play the DVD source directly, it's 
>only when I rip it and then try to play the MPG file.  Meanwhile mplayer 
>can play both the DVD and the MPG file correctly.  Thus, Windows Media 
>Player should be able to handle AC3, no?  Is there a way I can re-encode 
>the audio as I rip into something other than AC3 using mplayer?
>
>Could it be that there's something I have to do in Windows Media Player to 
>enable this audio stream?
>
>Also, can you clarify what you mean by the DirectShow filter "ffdshow" ?
>
>Thanks,
>Jeff
>

I just noticed one other thing:  When playing the video file in Windows 
Media Player, the audio is missing (as earlier stated) but the video is 
faster than it should be also.  The video source is progressive scan of a 24 
fps cartoon, it seems it's a case of Media Player not handling this well.  
What's interesting is that other video players are able to handle the video 
(PowerDVD, etc).





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