begin work on the CameraManager

src/frontend/qt_sdl/CameraManager.cpp

@@ -15,3 +15,123 @@
     You should have received a copy of the GNU General Public License along
     with melonDS. If not, see http://www.gnu.org/licenses/.
 */
+
+#include "CameraManager.h"
+
+
+CameraFrameDumper::CameraFrameDumper(QObject* parent) : QAbstractVideoSurface(parent)
+{
+}
+
+bool CameraFrameDumper::present(const QVideoFrame& _frame)
+{
+    QVideoFrame frame(_frame);
+    if (!frame.map(QAbstractVideoBuffer::ReadOnly))
+        return false;
+printf("FRAMEZORZ!! %d %d %d\n", frame.pixelFormat(), frame.isMapped(), frame.isReadable());
+    //NDS::CamInputFrame(0, (u32*)frame.bits(), frame.width(), frame.height(), false);
+
+    frame.unmap();
+
+    return true;
+}
+
+QList<QVideoFrame::PixelFormat> CameraFrameDumper::supportedPixelFormats(QAbstractVideoBuffer::HandleType type) const
+{
+    QList<QVideoFrame::PixelFormat> ret;
+
+    ret.append(QVideoFrame::Format_RGB32);
+    ret.append(QVideoFrame::Format_YUYV);
+
+    return ret;
+}
+
+
+CameraManager::CameraManager(int num, int width, int height, bool yuv)
+{
+    Num = num;
+
+    FrameWidth = width;
+    FrameHeight = height;
+    FrameFormatYUV = yuv;
+
+    int fbsize = FrameWidth * FrameHeight;
+    if (yuv) fbsize /= 2;
+    FrameBuffer = new u32[fbsize];
+
+    InputType = -1;
+    Init();
+}
+
+CameraManager::~CameraManager()
+{
+    DeInit();
+
+    // save settings here?
+
+    delete[] FrameBuffer;
+}
+
+void CameraManager::Init()
+{
+    if (InputType != -1)
+        DeInit();
+
+    // TODO: load settings from config!!
+    InputType = 0;
+
+    {
+        // fill the framebuffer with black
+
+        int total = FrameWidth * FrameHeight;
+        u32 fill = 0;
+        if (FrameFormatYUV)
+        {
+            total /= 2;
+            fill = 0x80008000;
+        }
+
+        for (int i = 0; i < total; i++)
+            FrameBuffer[i] = fill;
+    }
+
+    if (InputType == 1)
+    {
+        // still image
+
+        //
+    }
+}
+
+void CameraManager::DeInit()
+{
+    InputType = -1;
+}
+
+void CameraManager::Start()
+{
+    //
+}
+
+void CameraManager::Stop()
+{
+    //
+}
+
+void CameraManager::CaptureFrame(u32* frame, int width, int height, bool yuv)
+{
+    FrameMutex.lock();
+
+    if (width == FrameWidth && height == FrameHeight && yuv == FrameFormatYUV)
+    {
+        int len = width * height;
+        if (yuv) len /= 2;
+        memcpy(frame, FrameBuffer, len * sizeof(u32));
+    }
+    else
+    {
+        //
+    }
+
+    FrameMutex.unlock();
+}