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    41 

    42 #ifndef QGSTREAMERAUDIOENCODE_H

    43 #define QGSTREAMERAUDIOENCODE_H

    44 

    45 #include <qaudioencodercontrol.h>

    46 class QGstreamerCaptureSession;

    47 

    48 #include <QtCore/qstringlist.h>

    49 #include <QtCore/qmap.h>

    50 #include <QtCore/qset.h>

    51 

    52 #include <gst/gst.h>

    53 

    54 #include <QtMultimedia/qaudioformat.h>

    55 

    56 QTM_USE_NAMESPACE

    57 

    58 class QGstreamerAudioEncode : public QAudioEncoderControl

    59 {

    60     Q_OBJECT

    61 public:

    62     QGstreamerAudioEncode(QObject *parent);

    63     virtual ~QGstreamerAudioEncode();

    64 

    65     QStringList supportedAudioCodecs() const;

    66     QString codecDescription(const QString &codecName) const;

    67 

    68     QStringList supportedEncodingOptions(const QString &codec) const;

    69     QVariant encodingOption(const QString &codec, const QString &name) const;

    70     void setEncodingOption(const QString &codec, const QString &name, const QVariant &value);

    71 

    72     QList<int> supportedSampleRates(const QAudioEncoderSettings &settings = QAudioEncoderSettings(),

    73                                     bool *isContinuous = 0) const;

    74     QList<int> supportedChannelCounts(const QAudioEncoderSettings &settings = QAudioEncoderSettings()) const;

    75     QList<int> supportedSampleSizes(const QAudioEncoderSettings &settings = QAudioEncoderSettings()) const;

    76 

    77     QAudioEncoderSettings audioSettings() const;

    78     void setAudioSettings(const QAudioEncoderSettings&);

    79 

    80     GstElement *createEncoder();

    81 

    82     QSet<QString> supportedStreamTypes(const QString &codecName) const;

    83 

    84 private:

    85     QStringList m_codecs;

    86     QMap<QString,QByteArray> m_elementNames;

    87     QMap<QString,QString> m_codecDescriptions;

    88     QMap<QString,QStringList> m_codecOptions;

    89 

    90     QMap<QString, QMap<QString, QVariant> > m_options;

    91 

    92     QMap<QString, QSet<QString> > m_streamTypes;

    93 

    94     QAudioEncoderSettings m_audioSettings;

    95 };

    96 

    97 #endif