Hi,
Capturing to buffer is not currently supported on Windows, that’s why the
signal is never emitted.
—
Yoann
> On 06 Apr 2015, at 18:30, Igor Mironchik <igor.mironc...@gmail.com> wrote:
>
> Hi, Bob.
>
> Thank you.
>
> On Mon, 06 Apr 2015 18:21:38 +0300, Bob Hood <bho...@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.mironc...@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.
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