#include <apgcli.h>

static const TInt KMimeTypePrefixLength = 6; // "audio/" or "video/"

_LIT(KMimeTypePrefixAudio, "audio/");

_LIT(KMimeTypePrefixVideo, "video/");

    m_file.Close();

    m_fileServer.Close();

    m_recognizer.Close();

}

S60MediaRecognizer::MediaType S60MediaRecognizer::mediaType(const QUrl &url)

{

    bool isStream = (url.scheme() == "file")?false:true;

    if (isStream)

        return Url;

    else

        return identifyMediaType(url.toLocalFile());

S60MediaRecognizer::MediaType S60MediaRecognizer::identifyMediaType(const QString& fileName)

{

    S60MediaRecognizer::MediaType result = NotSupported;

    bool recognizerOpened = false;

    TInt err = m_recognizer.Connect();

    if (err == KErrNone) {

        recognizerOpened = true;

    }

    err = m_fileServer.Connect();

    if (err == KErrNone) {

        recognizerOpened = true;

    }

    // This is needed for sharing file handles for the recognizer

    err = m_fileServer.ShareProtected();

    if (err == KErrNone) {

        recognizerOpened = true;

    }

    if (recognizerOpened) {

        m_file.Close();

        err = m_file.Open(m_fileServer, QString2TPtrC(QDir::toNativeSeparators(fileName)), EFileRead |

            EFileShareReadersOnly);

        if (err == KErrNone) {

            TDataRecognitionResult recognizerResult;

            err = m_recognizer.RecognizeData(m_file, recognizerResult);

            if (err == KErrNone) {

                const TPtrC mimeType = recognizerResult.iDataType.Des();

                if (mimeType.Left(KMimeTypePrefixLength).Compare(KMimeTypePrefixAudio) == 0) {

                    result = Audio;

                } else if (mimeType.Left(KMimeTypePrefixLength).Compare(KMimeTypePrefixVideo) == 0) {

                    result = Video;

                }

            }

        }

    }

    return result;

TPtrC S60MediaRecognizer::QString2TPtrC( const QString& string )

{

    // Returned TPtrC is valid as long as the given parameter is valid and unmodified

    return TPtrC16(static_cast<const TUint16*>(string.utf16()), string.length());

}