Added WinRT support for videoio.

Signed-off-by: Maxim Kostin <v-maxkos@microsoft.com>
This commit is contained in:
Maxim Kostin
2015-05-15 16:28:47 +03:00
parent d40eefd5a4
commit d08cb6b357
15 changed files with 2442 additions and 3 deletions

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@@ -50,6 +50,7 @@
@{
@defgroup videoio_c C API
@defgroup videoio_ios iOS glue
@defgroup videoio_winrt WinRT glue
@}
*/
@@ -85,8 +86,9 @@ enum { CAP_ANY = 0, // autodetect
CAP_AVFOUNDATION = 1200, // AVFoundation framework for iOS (OS X Lion will have the same API)
CAP_GIGANETIX = 1300, // Smartek Giganetix GigEVisionSDK
CAP_MSMF = 1400, // Microsoft Media Foundation (via videoInput)
CAP_INTELPERC = 1500, // Intel Perceptual Computing SDK
CAP_OPENNI2 = 1600, // OpenNI2 (for Kinect)
CAP_WINRT = 1410, // Microsoft Windows Runtime using Media Foundation
CAP_INTELPERC = 1500, // Intel Perceptual Computing SDK
CAP_OPENNI2 = 1600, // OpenNI2 (for Kinect)
CAP_OPENNI2_ASUS = 1610 // OpenNI2 (for Asus Xtion and Occipital Structure sensors)
};

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@@ -0,0 +1,130 @@
// Video support for Windows Runtime
// Copyright (c) Microsoft Open Technologies, Inc.
// All rights reserved.
//
// (3 - clause BSD License)
//
// Redistribution and use in source and binary forms, with or without modification, are permitted provided that
// the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
// following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
// following disclaimer in the documentation and/or other materials provided with the distribution.
// 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or
// promote products derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT(INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#include <ppl.h>
#include <functional>
#include <concrt.h>
#include <agile.h>
using namespace Windows::UI::Xaml::Controls;
namespace cv
{
//! @addtogroup videoio_winrt
//! @{
enum {
OPEN_CAMERA = 300,
CLOSE_CAMERA,
UPDATE_IMAGE_ELEMENT,
SHOW_TRACKBAR
};
/********************************** WinRT API ************************************************/
template <typename ...Args>
CV_EXPORTS void winrt_startMessageLoop(std::function<void(Args...)>&& callback, Args... args);
template <typename ...Args>
CV_EXPORTS void winrt_startMessageLoop(void callback(Args...), Args... args);
/** @brief
@note
Sets the reporter method for the HighguiAssist singleton. Starts the main OpenCV as
an async thread in WinRT. See VideoCapture for the example of callback implementation.
Here is how the class can be used:
@code
void cvMain()
{
Mat frame;
VideoCapture cam;
cam.open(0);
while (1)
{
cam >> frame;
// don't reprocess the same frame again
if (!cam.grab()) continue;
// your processing logic goes here
// obligatory step to get XAML image component updated
winrt_imshow();
}
}
MainPage::MainPage()
{
InitializeComponent();
cv::winrt_setFrameContainer(cvImage);
cv::winrt_startMessageLoop(cvMain);
}
@endcode
*/
template
CV_EXPORTS void winrt_startMessageLoop(void callback(void));
/** @brief
@note
Must be called from WinRT specific callback to handle image grabber state.
Here is how the class can be used:
@code
MainPage::MainPage()
{
// ...
Window::Current->VisibilityChanged += ref new Windows::UI::Xaml::WindowVisibilityChangedEventHandler(this, &Application::MainPage::OnVisibilityChanged);
// ...
}
void Application::MainPage::OnVisibilityChanged(Platform::Object ^sender,
Windows::UI::Core::VisibilityChangedEventArgs ^e)
{
cv::winrt_onVisibilityChanged(e->Visible);
}
@endcode
*/
CV_EXPORTS void winrt_onVisibilityChanged(bool visible);
/** @brief
@note
Must be called to assign WinRT control holding image you're working with.
Code sample is available for winrt_startMessageLoop().
*/
CV_EXPORTS void winrt_setFrameContainer(::Windows::UI::Xaml::Controls::Image^ image);
/** @brief
@note
Must be called to update attached image source.
Code sample is available for winrt_startMessageLoop().
*/
CV_EXPORTS void winrt_imshow();
//! @} videoio_winrt
} // cv