Re: [ecasound] mix some.mp3 with my sough and output that to someother.mp3

--- On Wed, 8/13/08, Csanyi Pal <csanyipal@email-addr-hidden> wrote:

> From: Csanyi Pal <csanyipal@email-addr-hidden>
> Subject: Re: [ecasound] mix some.mp3 with my sough and output that to someother.mp3
> To: ecasound-list@email-addr-hidden
> Date: Wednesday, August 13, 2008, 10:27 AM
> Sergei Steshenko <sergstesh@email-addr-hidden> writes:
>
> > --- On Wed, 8/13/08, Csanyi Pal
> <csanyipal@email-addr-hidden> wrote:
>
> >> I wish to mix some.mp3 with my sough that I'm
> being
> >> recorded when I'm
> >> lessoning some.mp3 and that together to save as to
> output
> >> file
> >> someother.mp3.
> >>
> >> Let me explain.
> >> I start some.mp3 and lesson that song.
> >> In the same time I sough this melodie.
> >> I want to mix some.mp3 and my sough to
> someother.mp3.
>
> > I suggest to start from here:
> >
> >
> http://eca.cx/ecasound/Documentation/examples.html#mixing
>
> OK
>
> What's wrong with this command:
>
> ecasound -a:1 -i Emborian.mp3 \
> -a:1 -o loop,1 \
> -a:2,3 -i loop,1 \
> -a:4 -i /dev/dsp \
> -a:2 -o /dev/dsp \
> -a:3,4 -o Emborian_Futty.wav
>
> I get the following error:
>
> (eca-chainsetup) Multitrack-mode enabled.
> (eca-chainsetup) 'rt' buffering mode selected.
> (eca-chainsetup) Audio object "Emborian.mp3",
> mode "read".
> (audio-io) Format: s16_le, channels 2, srate 44100,
> interleaved.
> (eca-chainsetup) Audio object "loop,1", mode
> "read".
> (audio-io) Format: s16_le, channels 2, srate 44100,
> interleaved.
> (eca-chainsetup) Audio object "/dev/dsp", mode
> "read".
> (audio-io) Format: s16_le, channels 2, srate 44100,
> interleaved.
> (eca-chainsetup) Audio object "loop,1", mode
> "read".
> (audio-io) Format: s16_le, channels 2, srate 44100,
> interleaved.
> (eca-oss): Device or resource busy
> ERROR: Connecting chainsetup failed: "Enabling
> chainsetup:
> AUDIOIO-OSS: unable to
> ... open OSS-device to O_RWONLY (29)"
>
> Any advices will be appreciated!
>
> --
> Regards, Paul Csanyi
> http://www.freewebs.com/csanyi-pal/index.htm
>
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I see "unable to open OSS-device to O_RWONLY (29)".

So, first get rid of audio devices temporarily, i.e. use -o file.wav.

If/when it works, try to debug the sound device part - try ALSA (-o alsa)
or try to launch ecasound as

aoss ecasound ....
.

Run

fuser /dev/dsp - maybe some other program uses /dev/dsp, so you first have
to close that program.

Regards,
  Sergei.

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Received on Thu Aug 14 00:15:02 2008