Re: [ecasound] writing multiple files

I've just installed 2.4.5 and get the same infinite loop.

looks like a bug?

Etienne

On 5/13/07, Aaron Heller <heller@email-addr-hidden> wrote:
> Yes...
>
> This works:
>
> ecasound -ddd \
> -a:1,2,3,4 -i:sndfile,casino_royale.amb,wavex \
> -a:1 -f:16,1,44100 -o 1.wav \
> -a:2 -erc:2,1 -f:16,1,44100 -o 2.wav \
> -a:3 -erc:3,1 -f:16,1,44100 -o 3.wav \
> -a:4 -erc:4,1 -f:16,1,44100 -o 4.wav
>
> This runs forever:
>
> ecasound -ddd \
> -a:0 -i:sndfile,casino_royale.amb,wavex -f:f32_le,4,44100 -o:loop,1 \
> -a:1,2,3,4 -f:f32_le,4,44100 -i:loop,1 \
> -a:1 -f:16,1,44100 -o 1l.wav \
> -a:2 -erc:2,1 -f:16,1,44100 -o 2l.wav \
> -a:3 -erc:3,1 -f:16,1,44100 -o 3l.wav \
> -a:4 -erc:4,1 -f:16,1,44100 -o 4l.wav
>
> As far as I know, they should produce the same result.
>
> Aaron
>
> --
> Aaron Heller <heller@email-addr-hidden>
> Menlo Park, CA US
>
>
>
> On 5/12/07 3:03 AM, "e deleflie" <edeleflie@email-addr-hidden> wrote:
>
> > Aaron,
> >
> > Still not right .... each of the resultant 4 mono files is still
> > larger than the original 4 channel file. so this is what I've got
> > now:
> >
> > ecasound \
> > -a:input \
> > -f:16,4,44100 \
> > -i:resample-hq,auto,WXYZ.wav \
> > -el:Ambisonics-square-decoder,0,1,1.44,1.44,500,2 \
> > -f:16,4,44100 \
> > -o:loop,1 \
> > -a:LF,RF,LB,RB -f:16,1,44100 -i:loop,1 \
> > -a:LF -o LFront.wav \
> > -a:RF -o RFront.wav -erc:2,1 \
> > -a:LB -o LBack.wav -erc:3,1 \
> > -a:RB -o RBack.wav -erc:4,1
> >
> > ... It kind of smells like a bug. I could see a logic if the resultant
> > files were all the same size as the original 4 channel file, but since
> > they are all larger ...
> >
> > Etienne
> >
> >
> > On 5/12/07, Aaron Heller <heller@email-addr-hidden> wrote:
> >> That last -erc:4,2 should be -erc:4,1
> >> But I doubt that's the problem
> >>
> >> I looked up some of my old ecasound scripts and see that I put -f s on loop
> >> inputs and outputs
> >>
> >> ecasound \
> >> -a:input \
> >> -f:16,4,44100 \
> >> -i:resample-hq,auto,WXYZ.wav \
> >> -el:Ambisonics-square-decoder,0,1,1.44,1.44,500,2 \
> >> -f:f32_le,4,44100 \
> >> -o:loop,1 \
> >> -a:LF,RF,LB,RB -f:f32_le,4,44100 -i:loop,1 \
> >> -a:LF -f:16,1,44100 -o LFront.wav \
> >> -a:RF -f:16,1,44100 -o RFront.wav -erc:2,1 \
> >> -a:LB -f:16,1,44100 -o LBack.wav -erc:3,1 \
> >> -a:RB -f:16,1,44100 -o RBack.wav -erc:4,2
> >>
> >>
> >> On 5/11/07 10:47 PM, "e deleflie" <edeleflie@email-addr-hidden> wrote:
> >>
> >>> Still not right. The below code results in 4 files that grow ever
> >>> bigger (I killed ecasound when each of the mono files were 10 times
> >>> bigger than the original 4 channel file).... I really cant see what is
> >>> wrong here:
> >>>
> >>> ecasound \
> >>> -a:input \
> >>> -f:16,4,44100 \
> >>> -i:resample-hq,auto,WXYZ.wav \
> >>> -el:Ambisonics-square-decoder,0,1,1.44,1.44,500,2 \
> >>> -o:loop,1 \
> >>> -a:LF,RF,LB,RB -i:loop,1 \
> >>> -a:LF -f:16,1,44100 -o LFront.wav \
> >>> -a:RF -f:16,1,44100 -o RFront.wav -erc:2,1 \
> >>> -a:LB -f:16,1,44100 -o LBack.wav -erc:3,1 \
> >>> -a:RB -f:16,1,44100 -o RBack.wav -erc:4,2
> >>>
> >>> -----------------
> >>> the below code, however, produces the correct results, except I have
> >>> my 4 tracks in 1 file (which is no good to me).
> >>>
> >>> ecasound \
> >>> -a:input \
> >>> -f:16,4,44100 \
> >>> -i:resample,auto,WXYZ.wav \
> >>> -el:Ambisonics-square-decoder,0,1,1.44,1.44,500,2 \
> >>> -o:out.wav \
> >>>
> >>> can anyone see what is wrong? ... I suspect it is the loop back that
> >>> is doing something strange.
> >>>
> >>> Etienne
> >>>
> >>> On 5/12/07, e deleflie <edeleflie@email-addr-hidden> wrote:
> >>>> Aaron, actually you are right ... That previous code was accepted by
> >>>> ecasound, but didn't give the right results.
> >>>>
> >>>> funny you should answer, because the test file that I am converting is
> >>>> actually your Stravinsky recording! .. I am decoding that one so that
> >>>> I can compare it to your decodes you sent me ages ago (which I still
> >>>> have not listened to but will do and send you feedback!).
> >>>>
> >>>> I concur on your choice of ecasound for processing multi-channel content...
> >>>>
> >>>> Etienne
> >>>>
> >>>> On 5/12/07, Aaron Heller <heller@email-addr-hidden> wrote:
> >>>>> Hi Etienne...
> >>>>>
> >>>>> Actually, I think there is a remaining error. Chains 2,3,4, and 5 are
> >>>>> four
> >>>>> channels each and the -f:16,1,44100 simply says to write the first channel
> >>>>> of the chain to the file. So I think you will get four identical files,
> >>>>> each containing LFront.wav.
> >>>>>
> >>>>> The fix is to do some channel copying in the output chains.
> >>>>>
> >>>>> ...
> >>>>>>> -a:2 -f:16,1,44100 -o LFront.wav \
> >>>>>>> -a:3 -f:16,1,44100 -o RFront.wav -erc:2,1 \
> >>>>>>> -a:4 -f:16,1,44100 -o LBack.wav -erc:3,1 \
> >>>>>>> -a:5 -f:16,1,44100 -o RBack.wav -erc:4,1
> >>>>>
> >>>>> -erc:2,1 says replace channel 1 in the chain with channel 2, and so forth.
> >>>>> I think -erc has been superceded by -chcopy in newer versions of ecasound.
> >>>>> I'll warn you that I'm writing this from memory and have not tried it.
> >>>>>
> >>>>> Best regards,
> >>>>>
> >>>>> Aaron
> >>>>>
> >>>>> --
> >>>>> Aaron Heller <heller@email-addr-hidden>
> >>>>> Menlo Park, CA US
> >>>>>
> >>>>>
> >>>>> On 5/11/07 3:58 AM, "e deleflie" <edeleflie@email-addr-hidden> wrote:
> >>>>>
> >>>>>> jeepers, would you believe my only error was the missing slash at the
> >>>>>> end of the line!
> >>>>>>
> >>>>>> BTW ... I was at first frustrated learning ecasound's syntax .... but
> >>>>>> now , as I get to know it better, I like it more and more ... in
> >>>>>> combination with ladspa plugins, its a really powerful tool ...
> >>>>>>
> >>>>>> please keep up the work!
> >>>>>>
> >>>>>> Etienne
> >>>>>>
> >>>>>>
> >>>>>> On 5/11/07, e deleflie <edeleflie@email-addr-hidden> wrote:
> >>>>>>> Hi,
> >>>>>>>
> >>>>>>> I am trying to send a 4 channel file to a ladspa effect, and then
> >>>>>>> write the 4 resultant tracks as independent files .... I'm having
> >>>>>>> problems routing the output of the LADSPA effect into 4 separate
> >>>>>>> tracks ... this is what I have (which seems to break at the loop
> >>>>>>> business):
> >>>>>>>
> >>>>>>> ecasound \
> >>>>>>> -a:1 \
> >>>>>>> -f:16,4,44100 \
> >>>>>>> -i:resample,auto,WXYZ.wav \
> >>>>>>> -el:Ambisonics-square-decoder,0,1,1.44,1.44,500,2 \
> >>>>>>> -o:loop,1 \
> >>>>>>> -a:2,3,4,5 -i:loop,1 \
> >>>>>>> -a:2 -f:16,1,44100 -o LFront.wav
> >>>>>>> -a:3 -f:16,1,44100 -o RFront.wav
> >>>>>>> -a:4 -f:16,1,44100 -o LBack.wav
> >>>>>>> -a:5 -f:16,1,44100 -o RBack.wav
> >>>>>>>
> >>>>>>> (BTW: that ladspa plugin takes 4 channels in and spits out 4 channels)
> >>>>>>>
> >>>>>>> can anyone see what I am doing wrong?
> >>>>>>>
> >>>>>>> Etienne
> >>>>>>>
> >>>>>>
> >>>>>> -------------------------------------------------------------------------
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> >>>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>
> >>
> >>
>
>
>

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Received on Sun May 13 08:15:01 2007