|| || || || || || || ||

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RgbDataSrcCam.h

Go to the documentation of this file.

#ifndef Impala_Core_Stream_RgbDataSrcCam_h
#define Impala_Core_Stream_RgbDataSrcCam_h

#include "Basis/String.h"
#include "Core/Stream/RgbDataSrc.h"
#include "Link/DXMedia/HxDXMedia.h"

namespace Impala
{
namespace Core
{
namespace Stream
{


class RgbDataSrcCam : public RgbDataSrc
{
public:

    RgbDataSrcCam(int src, String srcName) : RgbDataSrc(src, srcName)
    {
        mSrcHandle = 0;
        Init(srcName);
    }

    virtual
    ~RgbDataSrcCam()
    {
        if (Valid())
            HxDXCloseTV(mSrcHandle);
    }

    virtual bool
    Valid() const
    {
        return (mSrcHandle != 0);
    }

protected:

    bool
    ReadFrameData()
    {
        mData = HxDXGetNextFrame(mSrcHandle);
        return true;
    }

private:

    void
    Init(String srcName)
    {
        srcName = StringReplace(srcName, "camera", "");
        int devNr = 0;
        char** devices = HxDXListTVDevices();
        if (srcName.size() > 0)
        {
            devNr = atoi(srcName);
        }
        else
        {
            while (devices[devNr])
            {
                ILOG_DEBUG("dev " << devNr << " = " << devices[devNr]);
                devNr++;
            }
            devNr = devNr - 1;
        }

        mSrcHandle = HxDXInitTV(devNr);
        if (!mSrcHandle)
        {
            ILOG_ERROR("Unable to initialize device " << devNr);
            int i=0;
            while (devices[i])
            {
                ILOG_INFO("  device " << i << " = " << devices[i]);
                i++;
            }
            return;
        }

        mFrameWidth = HxDXGetTVWidth(mSrcHandle);
        mFrameHeight = HxDXGetTVHeight(mSrcHandle);
        mLastFrame = 1000000000;
    }

    void* mSrcHandle;

    ILOG_VAR_DEC;
};

ILOG_VAR_INIT(RgbDataSrcCam, Impala.Core.Stream);

} // namespace Stream
} // namespace Core
} // namespace Impala

#endif

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