1 files changed, 100 insertions, 0 deletions
diff --git a/src/imaging/V4LCamera.h b/src/imaging/V4LCamera.h
new file mode 100644
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+++ b/src/imaging/V4LCamera.h
@@ -0,0 +1,100 @@
+//
+//  libavg - Media Playback Engine.
+//  Copyright (C) 2003-2014 Ulrich von Zadow
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2 of the License, or (at your option) any later version.
+//
+//  This library is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  Current versions can be found at www.libavg.de
+//
+
+#ifndef _V4LCamera_H_
+#define _V4LCamera_H_
+
+#include "../api.h"
+#include "../avgconfigwrapper.h"
+
+#include "Camera.h"
+#include <string>
+#include <vector>
+
+namespace avg {
+
+typedef unsigned int V4LCID_t;
+
+class AVG_API V4LCamera: public Camera {
+
+    struct Buffer {
+        void * start;
+        size_t length;
+    };
+
+public:
+    V4LCamera(std::string sDevice, int channel, IntPoint size, PixelFormat camPF,
+            PixelFormat destPF, float frameRate);
+    virtual ~V4LCamera();
+
+    virtual BitmapPtr getImage(bool bWait);
+    virtual bool isCameraAvailable();
+
+    virtual const std::string& getDevice() const;
+    virtual const std::string& getDriverName() const;
+
+    virtual int getFeature(CameraFeature feature) const;
+    virtual void setFeature(CameraFeature feature, int value,
+            bool bIgnoreOldValue=false);
+    virtual void setFeatureOneShot(CameraFeature feature);
+    virtual int getWhitebalanceU() const;
+    virtual int getWhitebalanceV() const;
+    virtual void setWhitebalance(int u, int v, bool bIgnoreOldValue=false);
+
+    static CameraInfo* getCameraInfos(int deviceNumber);
+    static int countCameras();
+
+private:
+    void initDevice();
+    void startCapture();
+    void initMMap();
+    virtual void close();
+
+    int getV4LPF(PixelFormat pf);
+    static int checkCamera(int j);
+    static PixelFormat intToPixelFormat(unsigned int pixelformat);
+
+    static void getCameraImageFormats(int fd, CameraInfo* camInfo);
+    static void getCameraControls(int deviceNumber, CameraInfo* camInfo);
+
+    void setFeature(V4LCID_t v4lFeature, int value);
+    V4LCID_t getFeatureID(CameraFeature feature) const;
+    std::string getFeatureName(V4LCID_t v4lFeature);
+    bool isFeatureSupported(V4LCID_t v4lFeature) const;
+    typedef std::map<V4LCID_t, unsigned int> FeatureMap;
+    typedef std::map<int, std::string> FeatureNamesMap;
+    FeatureMap m_Features;
+    // TODO: Feature strings should really be handled by
+    //       Camera::cameraFeatureToString
+    FeatureNamesMap m_FeaturesNames;
+
+    int m_Fd;
+    int m_Channel;
+    std::string m_sDevice;
+    std::string m_sDriverName;
+    std::vector<Buffer> m_vBuffers;
+    bool m_bCameraAvailable;
+    int m_v4lPF;
+};
+
+}
+
+#endif