Re: [ecasound] 24 channel wav file through jack

On Sat, Jun 27, 2009 at 7:38 AM, Kai Vehmanen<kvehmanen@email-addr-hidden> wrote:
> Hi,
>
> btw, thanks for the patch, I'll merge it soonish to the git tree.

Great.

> On Fri, 26 Jun 2009, Jeremy Hughes wrote:
>
>> I've run into a problem playing multi-channel wav files through jack.
>> Playing
>> 24 individual files works fine but requires a rather long command. Mixing
>> them
>> together then playing the 24 channel file results in the below error.
>
> [...]
>>
>>   $ ecasound -a:1 -i:mixed.wav -o:jack,system
>>   ...snip...
>>   ERROR: Connecting chainsetup failed: "Enabling chainsetup:
>> AUDIOIO-WAVE: Only
>>   ... WAVE_FORMAT_PCM and WAVE_FORMAT_IEEE_FLOAT are supported."
>
> How have you created the file? The trace message seems to indicate the file
> does not have the common PCM file header (maybe it's in w64 format, or
> something similar).
>
> Anyways, the cure is easy and that's to use libsndfile for RIFF WAVE
> parsing. I.e.:
>
> sh> ecasound -a:1 -i:sndfile,mixed.wav -o:jack,system
>
> If you have have libsndfile utils installed, you can get some additional
> info about the file with:
>
> sh> sndfile-info mixed.wav

Thanks. This worked provided I added "-f:,24" to the chain.

Jeremy

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Received on Mon Jun 29 00:15:01 2009