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Re: sox - package is broken
- From: Christopher Faylor <cgf-use-the-mailinglist-please at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Tue, 18 Mar 2014 15:32:18 -0400
- Subject: Re: sox - package is broken
- Authentication-results: sourceware.org; auth=none
- References: <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> <53289E8A dot 1010601 at tiscali dot co dot uk>
- Reply-to: cygwin at cygwin dot com
On Tue, Mar 18, 2014 at 07:29:14PM +0000, David Stacey wrote:
>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!
Ok. I see a SEGV with "cat >". Investigating.
FWIW, they are not the same. There's lots of dup'ing going on under
the hood with "cat >".
cgf
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