[Interest] Problem with QCameraImageCapture

[Igor Mironchik]

Hi, Bob.

Thank you.

On Mon, 06 Apr 2015 18:21:38 +0300, Bob Hood <bhood2 at comcast.net> wrote:

> Hi, Igor.
>
> I tested your example code using Qt 5.4.0 under Windows 7 64-bit and the  
> 2MP
> USB camera embedded on my ASUS monitor, and I'm getting the callbacks as  
> I
> expect.  I captured and stored to disc the preview image provided by the
> QCameraImageCapture::imageCaptured() signal.
>
> Although I had them connected, I did not get the imageAvailable() or  
> error()
> signal that you mention, though.  I assume I didn't get the latter signal
> because there was no error in the capture.  As for why I didn't get
> imageAvailable(), I couldn't say.
>
>
> On 4/6/2015 2:40 AM, Igor Mironchik wrote:
>> Hi.
>>
>> I've checked it on two different cameras. The problem is not gone.
>>
>> I'm on Windows 7 64 bit, Qt 5.4.1 from online installer.
>>
>>
>> On Mon, 06 Apr 2015 10:20:51 +0300, Igor Mironchik
>> <igor.mironchik at gmail.com> wrote:
>>
>>> Hi.
>>>
>>> I have one problem QCameraImageCapture doesn't emits signals. What is
>>> the problem?
>>>
>>> d->camera = new QCamera(
>>> AppCfg::instance().cfg().cameraName().toLatin1(),
>>> 	this );
>>> d->camera->setCaptureMode( QCamera::CaptureStillImage );
>>> d->camera->start();
>>>
>>> connect( d->camera, &QCamera::locked,
>>> 	this, &CameraScreen::cameraLocked );
>>>
>>> d->capture = new QCameraImageCapture( d->camera, this );
>>> d->capture->setCaptureDestination( QCameraImageCapture::CaptureToBuffer
>>> );
>>>
>>> connect( d->capture, &QCameraImageCapture::imageAvailable,
>>> 	this, &CameraScreen::imageAvailable );
>>>
>>> void ( QCameraImageCapture::*signal )( int, QCameraImageCapture::Error,
>>> 	const QString & ) = &QCameraImageCapture::error;
>>>
>>> connect( d->capture, signal,
>>> 	this, &CameraScreen::error );
>>>
>>> d->camera->searchAndLock();
>>>
>>> ---------------------------------------------
>>>
>>> void
>>> CameraScreen::cameraLocked()
>>> {
>>> 	d->capture->capture();
>>>
>>> 	d->camera->unlock();
>>> }
>>>
>>> But I don't receive nor imageAvailable() nor error() signals...
>>>
>>
>
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-- 
Best Regards,
Igor Mironchik.