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

---

RgbDataSrcMpeg2.h

Go to the documentation of this file.

#ifndef Impala_Core_Stream_RgbDataSrcMpeg2_h
#define Impala_Core_Stream_RgbDataSrcMpeg2_h

#include "Core/Stream/RgbDataSrc.h"
#include "Link/Mpeg2/CxRgbDataSrcMpeg2Link.h"

namespace Impala
{
namespace Core
{
namespace Stream
{


class RgbDataSrcMpeg2 : public RgbDataSrc
{
public:

    RgbDataSrcMpeg2(int src, String srcName, bool isEs = false)
        : RgbDataSrc(src, srcName)
    {
        mSrcHandle = 0;
        Init(isEs);
    }

    virtual
    ~RgbDataSrcMpeg2()
    {
        if (mSrcHandle)
            CxMpeg2CloseVideo(mSrcHandle);
    }

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

    bool
    TheEnd()
    {
        return (CxMpeg2TheEnd(mSrcHandle) != 0);
    }

protected:

    bool
    ReadFrameData()
    {
        mData = CxMpeg2GetFrame(mSrcHandle, FrameNr());
        //if (CxMpeg2TheEnd(mSrcHandle))
        //    mLastFrame = FrameNr()-1;
        return true;
    }

private:

    void
    Init(bool isEs)
    {
        if (!(mSrcHandle = CxMpeg2LoadVideo(mSrcName.c_str(), isEs)))
        {
            ILOG_ERROR("Unable to CxMpeg2LoadVideo " << mSrcName);
            return;
        }
        mFrameWidth = CxMpeg2GetFrameWidth(mSrcHandle);
        mFrameHeight = CxMpeg2GetFrameHeight(mSrcHandle);
        mLastFrame = CxMpeg2GetLength(mSrcHandle) - 1;
    }

    void* mSrcHandle;

    ILOG_VAR_DEC;
};

ILOG_VAR_INIT(RgbDataSrcMpeg2, Impala.Core.Stream);

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

#endif

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