[gst-devel] Distorted audio capture on Vista

[Francis Rammeloo]

I posted a follow up in the ossbuild project. See "Issue 20"
(http://code.google.com/p/ossbuild/issues/detail?id=20).


2010/2/6 Andoni Morales <ylatuya at gmail.com>:
> 2010/2/6 Francis Rammeloo <francis.rammeloo at gmail.com>:
>> Update:
>> directshowaudiosrc works fine on my PC at home that has Windows XP.
>>
>> I modified some the ossbuild code so that the directsound plugin also
>> contains the directsoundsrc element:
>>
>> gst-launch-0.10 directsoundsrc num-buffers=300 ! audioconvert !
>> audioresample ! faac ! ffmux_mp4 ! filesink location=test.mp4
>>
>> It works fine on my Windows XP machine at home. I'll try it on the
>> Vista laptops Monday.
> The quality of source elements for Windows are far from being ideal
> :). Why don't you add directsounsrc plugin to the build environment
> and send us the patch? If this one works better it should have a
> higher rank than dshoeaudiosrc to be electable by autoaudiosrc.
> Cheers,
> Andoni
>>
>> Grts,
>> Francis
>>
>>
>> 2010/2/5 Francis Rammeloo <francis.rammeloo at gmail.com>:
>>> I have been experimenting with audio capture on Windows. I use the
>>> following command line:
>>> gst-launch-0.10 dshowaudiosrc num-buffers=400 ! audioconvert !
>>> audioresample ! faac ! mp4mux ! filesink location=test.mp4
>>>
>>> I tested this on two Vista laptops using the built-in mic and in both
>>> cases the recorded audio was too fast and "crack"-distortions can be
>>> heard.
>>> On my Macbook Pro running Windows 7 the recording is perfect.
>>> The Vista machines are capable of recording good quality audio when
>>> using the Acer webcam software tool.
>>>
>>> I suspect that the issue is with the dshowaudiosrc component because I
>>> can also reproduce the problem using other codecs.
>>>
>>> Does anyone have an idea how things are going wrong? Or better, how to fix it :)
>>>
>>> Grts,
>>> Francis
>>>
>>> PS: I use the latest WinBuilds GStreamer distribution.
>>>
>>
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>
>
>
> --
> Andoni Morales Alastruey
>
> LongoMatch:The Digital Coach
> http://www.longomatch.ylatuya.es
>
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