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Message-ID: <53289E8A.1010601@tiscali.co.uk>
Date: Tue, 18 Mar 2014 19:29:14 +0000
From: David Stacey <drstacey AT tiscali DOT co DOT uk>
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To: cygwin AT cygwin DOT com
Subject: Re: sox - package is broken
References: <b0f9be09644f90eadb0a5d479b74ad56 DOT squirrel AT www DOT physik DOT tu-berlin DOT de> <20140310111427 DOT GE2828 AT calimero DOT vinschen DOT de> <5324E98D DOT 2090806 AT tiscali DOT co DOT uk> <20140316114332 DOT GB400 AT calimero DOT vinschen DOT de> <5326276F DOT 1050103 AT tiscali DOT co DOT uk> <20140317015736 DOT GA8086 AT ednor DOT casa DOT cgf DOT cx> <20140317022829 DOT GB8086 AT ednor DOT casa DOT cgf DOT cx> <20140317044230 DOT GA1235 AT ednor DOT casa DOT cgf DOT cx> <53278AE6 DOT 9040509 AT tiscali DOT co DOT uk> <20140318175353 DOT GA1051 AT ednor DOT casa DOT cgf DOT cx>
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On 18/03/2014 17:53, Christopher Faylor wrote:
> On Mon, Mar 17, 2014 at 11:53:10PM +0000, David Stacey wrote:
>> On 17/03/2014 04:42, Christopher Faylor wrote:
>>> On Sun, Mar 16, 2014 at 10:28:29PM -0400, Christopher Faylor wrote:
>>>> On Sun, Mar 16, 2014 at 09:57:36PM -0400, Christopher Faylor wrote:
>>>>> On Sun, Mar 16, 2014 at 10:36:31PM +0000, David Stacey wrote:
>>>>>> The issue I have is that close_audio_out() isn't working as you'd
>>>>>> expect: for some reason, the 'audio_out_' member pointer is null
>>>>> This was because all of the I/O operations were ignoring the archetype
>>>>> for the device.  So, this is likely an old bug.
>>>>>
>>>>> So, good news/bad news.  Good news: I checked in a fix which causes the missing
>>>>> 1.5 seconds to be played.  Bad news: The process now hangs in waveOutClose()
>>>>> in fhandler_dev_dsp::Audio_out::stop.  There seem to be a few threads hanging
>>>>> around waiting for something so obviously something isn't cleaning up right
>>>>> in the audio code.
>>>> Nope.  Wrong theory.  I know what's causing this but I don't yet know how to
>>>> fix it.
>>> This should all be fixed in the upcoming snapshot.
>> Thank you for looking at this. I've tried the 32-bit snapshot dated
>> '2014-03-17', but whenever I pipe a wav file to /dev/dsp I get a
>> segmentation fault. The error is produced immediately, and no sound is
>> heard. I've tried wav files both longer and shorter than 1.5s.
> What does "pipe a wav file" mean?  I was testing this by doing:
>
> cp h.wav /dev/dsp

I was testing with

     cat ding.wav > /dev/dsp

This gives a segmentation fault with the latest (2014-03-18) snapshot; 
no sound is heard However, if I repeat your test:

     cp ding.wav /dev/dsp

Then that works and the ding dings. Which confuses me greatly - I've 
been using *nix for nearly 20 years, and I honestly would have said that 
the two lines above were synonymous - they're obviously not!

Dave.



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