path: root/Common/Config.h

/******************************************************************************
    QtAV Player Demo:  this file is part of QtAV examples
    Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
*   This file is part of QtAV (from 2014)
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
    This program 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 General Public License for more details.
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/

#ifndef PLAYER_CONFIG_H
#define PLAYER_CONFIG_H

#include "CommonExport.h"
#include <QtCore/QObject>
#include <QtCore/QStringList>
#include <QtCore/QVariant>
#include <QtGui/QColor>
#include <QtGui/QFont>


class COMMON_EXPORT Config : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QVariantList history READ history NOTIFY historyChanged)
    // last file opened by file dialog
    Q_PROPERTY(QString lastFile READ lastFile WRITE setLastFile NOTIFY lastFileChanged)
    Q_PROPERTY(qreal forceFrameRate READ forceFrameRate WRITE setForceFrameRate NOTIFY forceFrameRateChanged)
    Q_PROPERTY(QStringList decoderPriorityNames READ decoderPriorityNames WRITE setDecoderPriorityNames NOTIFY decoderPriorityNamesChanged)
    Q_PROPERTY(bool zeroCopy READ zeroCopy WRITE setZeroCopy NOTIFY zeroCopyChanged)
    Q_PROPERTY(QString captureDir READ captureDir WRITE setCaptureDir NOTIFY captureDirChanged)
    Q_PROPERTY(QString captureFormat READ captureFormat WRITE setCaptureFormat NOTIFY captureFormatChanged)
    Q_PROPERTY(int captureQuality READ captureQuality WRITE setCaptureQuality NOTIFY captureQualityChanged)
    Q_PROPERTY(QStringList subtitleEngines READ subtitleEngines WRITE setSubtitleEngines NOTIFY subtitleEnginesChanged)
    Q_PROPERTY(bool subtitleAutoLoad READ subtitleAutoLoad WRITE setSubtitleAutoLoad NOTIFY subtitleAutoLoadChanged)
    Q_PROPERTY(bool subtitleEnabled READ subtitleEnabled WRITE setSubtitleEnabled NOTIFY subtitleEnabledChanged)
    Q_PROPERTY(QFont subtitleFont READ subtitleFont WRITE setSubtitleFont NOTIFY subtitleFontChanged)
    Q_PROPERTY(QColor subtitleColor READ subtitleColor WRITE setSubtitleColor NOTIFY subtitleColorChanged)
    Q_PROPERTY(QColor subtitleOutlineColor READ subtitleOutlineColor WRITE setSubtitleOutlineColor NOTIFY subtitleOutlineColorChanged)
    Q_PROPERTY(bool subtitleOutline READ subtitleOutline WRITE setSubtitleOutline NOTIFY subtitleOutlineChanged)
    Q_PROPERTY(int subtitleBottomMargin READ subtitleBottomMargin WRITE setSubtitleBottomMargin NOTIFY subtitleBottomMarginChanged)
    Q_PROPERTY(qreal subtitleDelay READ subtitleDelay WRITE setSubtitleDelay NOTIFY subtitleDelayChanged)
    // font properties for libass engine
    Q_PROPERTY(QString assFontFile READ assFontFile WRITE setAssFontFile NOTIFY assFontFileChanged)
    Q_PROPERTY(QString assFontsDir READ assFontsDir WRITE setAssFontsDir NOTIFY assFontsDirChanged)
    Q_PROPERTY(bool assFontFileForced READ isAssFontFileForced WRITE setAssFontFileForced NOTIFY assFontFileForcedChanged)

    Q_PROPERTY(bool previewEnabled READ previewEnabled WRITE setPreviewEnabled NOTIFY previewEnabledChanged)
    Q_PROPERTY(int previewWidth READ previewWidth WRITE setPreviewWidth NOTIFY previewWidthChanged)
    Q_PROPERTY(int previewHeight READ previewHeight WRITE setPreviewHeight NOTIFY previewHeightChanged)
    Q_PROPERTY(bool EGL READ isEGL WRITE setEGL NOTIFY EGLChanged)
    Q_PROPERTY(OpenGLType openGLType READ openGLType WRITE setOpenGLType NOTIFY openGLTypeChanged)
    Q_PROPERTY(QString ANGLEPlatform READ getANGLEPlatform WRITE setANGLEPlatform NOTIFY ANGLEPlatformChanged)
    Q_PROPERTY(bool avformatOptionsEnabled READ avformatOptionsEnabled WRITE setAvformatOptionsEnabled NOTIFY avformatOptionsEnabledChanged)
    Q_PROPERTY(qreal timeout READ timeout WRITE setTimeout NOTIFY timeoutChanged)
    Q_PROPERTY(int bufferValue READ bufferValue WRITE setBufferValue NOTIFY bufferValueChanged)
    Q_PROPERTY(QString logLevel READ logLevel WRITE setLogLevel NOTIFY logLevelChanged)
    Q_ENUMS(OpenGLType)
    Q_PROPERTY(QString language READ language WRITE setLanguage NOTIFY languageChanged)

    Q_PROPERTY(bool userShaderEnabled READ userShaderEnabled WRITE setUserShaderEnabled NOTIFY userShaderEnabledChanged)
    Q_PROPERTY(bool intermediateFBO READ intermediateFBO WRITE setIntermediateFBO NOTIFY intermediateFBOChanged)
    Q_PROPERTY(QString fragHeader READ fragHeader WRITE setFragHeader NOTIFY fragHeaderChanged)
    Q_PROPERTY(QString fragSample READ fragSample WRITE setFragSample NOTIFY fragSampleChanged)
    Q_PROPERTY(QString fragPostProcess READ fragPostProcess WRITE setFragPostProcess NOTIFY fragPostProcessChanged)
    Q_PROPERTY(QString videoURI READ videoURI WRITE setVideoURI NOTIFY videoURIChanged)

    Q_PROPERTY(qreal segmentBufferSize READ segmentBufferSize WRITE setSegmentBufferSize NOTIFY segmentBufferSizeChanged)
    Q_PROPERTY(QString adaptationLogic READ adaptationLogic WRITE setAdaptationLogic NOTIFY adaptationLogicChanged)
    Q_PROPERTY(bool icn READ icn WRITE setIcn NOTIFY icnChanged)
    Q_PROPERTY(qreal rateAlpha READ rateAlpha WRITE setRateAlpha NOTIFY rateAlphaChanged)
    Q_PROPERTY(qreal bufferReservoirThreshold READ bufferReservoirThreshold WRITE setBufferReservoirThreshold NOTIFY bufferReservoirThresholdChanged)
    Q_PROPERTY(qreal bufferMaxThreshold READ bufferMaxThreshold WRITE setBufferMaxThreshold NOTIFY bufferMaxThresholdChanged)
    Q_PROPERTY(qreal adaptechFirstThreshold READ adaptechFirstThreshold WRITE setAdaptechFirstThreshold NOTIFY adaptechFirstThresholdChanged)
    Q_PROPERTY(qreal adaptechSecondThreshold READ adaptechSecondThreshold WRITE setAdaptechSecondThreshold NOTIFY adaptechSecondThresholdChanged)
    Q_PROPERTY(qreal adaptechSwitchUpMargin READ adaptechSwitchUpMargin WRITE setAdaptechSwitchUpMargin NOTIFY adaptechSwitchUpMarginChanged)
    Q_PROPERTY(qreal adaptechSlackParameter READ adaptechSlackParameter WRITE setAdaptechSlackParameter NOTIFY adaptechSlackParameterChanged)
    Q_PROPERTY(qreal adaptechAlpha READ adaptechAlpha WRITE setAdaptechAlpha NOTIFY adaptechAlphaChanged)
    Q_PROPERTY(qreal bufferThreeThresholdFirst READ bufferThreeThresholdFirst WRITE setBufferThreeThresholdFirst NOTIFY bufferThreeThresholdFirstChanged)
    Q_PROPERTY(qreal bufferThreeThresholdSecond READ bufferThreeThresholdSecond WRITE setBufferThreeThresholdSecond NOTIFY bufferThreeThresholdSecondChanged)
    Q_PROPERTY(qreal bufferThreeThresholdThird READ bufferThreeThresholdThird WRITE setBufferThreeThresholdThird NOTIFY bufferThreeThresholdThirdChanged)
    Q_PROPERTY(qreal pandaParamAlpha READ pandaParamAlpha WRITE setPandaParamAlpha NOTIFY pandaParamAlphaChanged)
    Q_PROPERTY(qreal pandaParamBeta READ pandaParamBeta WRITE setPandaParamBeta NOTIFY pandaParamBetaChanged)
    Q_PROPERTY(qreal pandaParamBMin READ pandaParamBMin WRITE setPandaParamBMin NOTIFY pandaParamBMinChanged)
    Q_PROPERTY(qreal pandaParamK READ pandaParamK WRITE setPandaParamK NOTIFY pandaParamKChanged)
    Q_PROPERTY(qreal pandaParamW READ pandaParamW WRITE setPandaParamW NOTIFY pandaParamWChanged)
    Q_PROPERTY(qreal pandaParamEpsilon READ pandaParamEpsilon WRITE setPandaParamAlpha NOTIFY pandaParamEpsilonChanged)
    Q_PROPERTY(qreal bolaBufferTarget READ bolaBufferTarget WRITE setBolaBufferTarget NOTIFY bolaBufferTargetChanged)
    Q_PROPERTY(qreal bolaAlpha READ bolaAlpha WRITE setBolaAlpha NOTIFY bolaAlphaChanged)
    Q_PROPERTY(bool repeat READ repeat WRITE setRepeat NOTIFY repeatChanged)
    Q_PROPERTY(bool graph READ graph WRITE setGraph NOTIFY graphChanged)
    Q_PROPERTY(bool fullScreen READ fullScreen WRITE setFullScreen NOTIFY fullScreenChanged)
    Q_PROPERTY(bool autotune READ autotune WRITE setAutotune NOTIFY autotuneChanged)
    Q_PROPERTY(int lifetime READ lifetime WRITE setLifetime NOTIFY lifetimeChanged)
    Q_PROPERTY(int retransmissions READ retransmissions WRITE setRetransmissions NOTIFY retransmissionsChanged)
    Q_PROPERTY(qreal alpha READ alpha WRITE setAlpha NOTIFY alphaChanged)
    Q_PROPERTY(qreal beta READ beta WRITE setBeta NOTIFY betaChanged)
    Q_PROPERTY(qreal drop READ drop WRITE setDrop NOTIFY dropChanged)
    Q_PROPERTY(qreal betaWifi READ betaWifi WRITE setBetaWifi NOTIFY betaWifiChanged)
    Q_PROPERTY(qreal dropWifi READ dropWifi WRITE setDropWifi NOTIFY dropWifiChanged)
    Q_PROPERTY(int delayWifi READ delayWifi WRITE setDelayWifi NOTIFY delayWifiChanged)
    Q_PROPERTY(qreal betaLte READ betaLte WRITE setBetaLte NOTIFY betaLteChanged)
    Q_PROPERTY(qreal dropLte READ dropLte WRITE setDropLte NOTIFY dropLteChanged)
    Q_PROPERTY(int delayLte READ delayLte WRITE setDelayLte NOTIFY delayLteChanged)
    Q_PROPERTY(int batchingParameter READ batchingParameter WRITE setBatchingParameter NOTIFY batchingParameterChanged)
    Q_PROPERTY(int rateEstimator READ rateEstimator WRITE setRateEstimator NOTIFY rateEstimatorChanged)

public:
    enum OpenGLType { // currently only for windows
        Auto,
        Desktop,
        OpenGLES,
        Software
    };

    static Config& instance();
    static void setName(const QString& name); // config file base name
    static QString getName();
    /*!
     * \brief defaultConfigFile
     * Config file name is $appname.ini. Must call Config::setName() first
     */
    static QString defaultConfigFile();
    static QString defaultDir();
    Q_INVOKABLE bool reset();
    void reload();
    //void loadFromFile(const QString& file);
    QString getConfigPath();
    QString lastFile() const;
    Config& setLastFile(const QString& value);

    qreal forceFrameRate() const;
    Config& setForceFrameRate(qreal value);
    // in priority order. the same order as displayed in ui
    QStringList decoderPriorityNames() const;
    Config& setDecoderPriorityNames(const QStringList& names);

    bool zeroCopy() const;
    Config& setZeroCopy(bool value);

    QString captureDir() const;
    Config& setCaptureDir(const QString& dir);

    /*!
     * \brief captureFormat
     *  can be "yuv" to capture yuv image without convertion. the suffix is the yuv format, e.g. "yuv420p", "nv12"
     *  or can be "jpg", "png"
     * \return
     */
    QString captureFormat() const;
    Config& setCaptureFormat(const QString& format);
    // only works for non-yuv capture. value: -1~100, -1: default
    int captureQuality() const;
    Config& setCaptureQuality(int quality);

    QStringList subtitleEngines() const;
    Config& setSubtitleEngines(const QStringList& value);
    bool subtitleAutoLoad() const;
    Config& setSubtitleAutoLoad(bool value);
    bool subtitleEnabled() const;
    Config& setSubtitleEnabled(bool value);

    QFont subtitleFont() const;
    Config& setSubtitleFont(const QFont& value);
    bool subtitleOutline() const;
    Config& setSubtitleOutline(bool value);
    QColor subtitleColor() const;
    Config& setSubtitleColor(const QColor& value);
    QColor subtitleOutlineColor() const;
    Config& setSubtitleOutlineColor(const QColor& value);
    int subtitleBottomMargin() const;
    Config& setSubtitleBottomMargin(int value);

    qreal subtitleDelay() const;
    Config& setSubtitleDelay(qreal value);

    QString assFontFile() const;
    Config& setAssFontFile(const QString& value);
    QString assFontsDir() const;
    Config& setAssFontsDir(const QString& value);
    bool isAssFontFileForced() const;
    Config& setAssFontFileForced(bool value);

    bool previewEnabled() const;
    Config& setPreviewEnabled(bool value);
    int previewWidth() const;
    Config& setPreviewWidth(int value);
    int previewHeight() const;
    Config& setPreviewHeight(int value);

    QVariantHash avformatOptions() const;
    bool avformatOptionsEnabled() const;
    Config& setAvformatOptionsEnabled(bool value);
    int analyzeDuration() const;
    Config& analyzeDuration(int ad);
    unsigned int probeSize() const;
    Config& probeSize(unsigned int ps);
    bool reduceBuffering() const;
    Config& reduceBuffering(bool y);
    QString avformatExtra() const;
    Config& avformatExtra(const QString& text);

    QString avfilterVideoOptions() const;
    Config& avfilterVideoOptions(const QString& options);
    bool avfilterVideoEnable() const;
    Config& avfilterVideoEnable(bool e);

    QString avfilterAudioOptions() const;
    Config& avfilterAudioOptions(const QString& options);
    bool avfilterAudioEnable() const;
    Config& avfilterAudioEnable(bool e);

    // currently only for xcb
    bool isEGL() const;
    Config& setEGL(bool value);
    // can be "Desktop", "OpenGLES", "Software"
    OpenGLType openGLType() const;
    Config& setOpenGLType(OpenGLType value);

    QString getANGLEPlatform() const;
    Config& setANGLEPlatform(const QString &value);

    // ms >0. default 30000ms
    qreal timeout() const;
    Config& setTimeout(qreal value);

    bool abortOnTimeout() const;
    Config& setAbortOnTimeout(bool value);

    // <0: auto
    int bufferValue() const;
    Config& setBufferValue(int value);

    // can be: "", "off", "debug", "warning", "critical", "fatal", "all"
    QString logLevel() const;
    Config& setLogLevel(const QString& value);

    QString language() const;
    Config& setLanguage(const QString& value);

    Q_INVOKABLE QVariant operator ()(const QString& key) const;
    Q_INVOKABLE Config& operator ()(const QString& key, const QVariant& value);

    /// history will not be clear in reset()
    QVariantList history() const;
    // {url: urlString, start: ms, duration: ms}
    Q_INVOKABLE void addHistory(const QVariantMap& value);
    Q_INVOKABLE void removeHistory(const QString& url);
    Q_INVOKABLE void clearHistory();

    Config& setUserShaderEnabled(bool value);
    bool userShaderEnabled() const;
    Config& setIntermediateFBO(bool value);
    bool intermediateFBO() const;
    Config& setFragHeader(const QString& text);
    QString fragHeader() const;
    Config& setFragSample(const QString& text);
    QString fragSample() const;
    Config& setFragPostProcess(const QString& text);
    QString fragPostProcess() const;
    Config& setVideoURI(const QString &value);
    QString videoURI() const;
    Config& setSegmentBufferSize(qreal value);
    qreal segmentBufferSize() const;
    Config& setAdaptationLogic(const QString &value);
    QString adaptationLogic() const;
    Config& setIcn(bool value);
    bool icn() const;
    Config& setRateAlpha(qreal value);
    qreal rateAlpha() const;
    Config& setBufferReservoirThreshold(qreal value);
    qreal bufferReservoirThreshold() const;
    Config& setBufferMaxThreshold(qreal value);
    qreal bufferMaxThreshold() const;
    Config& setAdaptechFirstThreshold(qreal value);
    qreal adaptechFirstThreshold() const;
    Config& setAdaptechSecondThreshold(qreal value);
    qreal adaptechSecondThreshold() const;
    Config& setAdaptechSwitchUpMargin(qreal value);
    qreal adaptechSwitchUpMargin() const;
    Config& setAdaptechSlackParameter(qreal value);
    qreal adaptechSlackParameter() const;
    Config& setAdaptechAlpha(qreal value);
    qreal adaptechAlpha() const;
    Config& setBufferThreeThresholdFirst(qreal value);
    qreal bufferThreeThresholdFirst() const;
    Config& setBufferThreeThresholdSecond(qreal value);
    qreal bufferThreeThresholdSecond() const;
    Config& setBufferThreeThresholdThird(qreal value);
    qreal bufferThreeThresholdThird() const;
    Config& setPandaParamAlpha(qreal value);
    qreal pandaParamAlpha() const;
    Config& setPandaParamBeta(qreal value);
    qreal pandaParamBeta() const;
    Config& setPandaParamBMin(qreal value);
    qreal pandaParamBMin() const;
    Config& setPandaParamK(qreal value);
    qreal pandaParamK() const;
    Config& setPandaParamW(qreal value);
    qreal pandaParamW() const;
    Config& setPandaParamEpsilon(qreal value);
    qreal pandaParamEpsilon() const;
    Config& setBolaBufferTarget(qreal value);
    qreal bolaBufferTarget() const;
    Config& setBolaAlpha(qreal value);
    qreal bolaAlpha() const;
    Config& setRepeat(bool value);
    bool repeat() const;
    Config& setGraph(bool value);
    bool graph() const;
    Config& setFullScreen(bool value);
    bool fullScreen() const;
    Config& setAutotune(bool value);
    bool autotune() const;
    Config& setLifetime(int value);
    int lifetime() const;
    Config& setRetransmissions(int value);
    int retransmissions() const;
    Config& setAlpha(qreal value);
    qreal alpha() const;
    Config& setBeta(qreal value);
    qreal beta() const;
    Config& setDrop(qreal value);
    qreal drop() const;
    Config& setBetaWifi(qreal value);
    qreal betaWifi() const;
    Config& setDropWifi(qreal value);
    qreal dropWifi() const;
    Config& setDelayWifi(int value);
    int delayWifi() const;
    Config& setBetaLte(qreal value);
    qreal betaLte() const;
    Config& setDropLte(qreal value);
    qreal dropLte() const;
    Config& setDelayLte(int value);
    int delayLte() const;
    Config& setBatchingParameter(int value);
    int batchingParameter() const;
    Config& setRateEstimator(int value);
    int rateEstimator() const;


public:
    Q_SIGNAL void changed();
    Q_SIGNAL void userShaderEnabledChanged();
    Q_SIGNAL void intermediateFBOChanged();
    Q_SIGNAL void fragHeaderChanged();
    Q_SIGNAL void fragSampleChanged();
    Q_SIGNAL void fragPostProcessChanged();

    Q_SIGNAL void lastFileChanged();
    //keyword 'signals' maybe protected. we need call the signals in other classes. Q_SIGNAL is empty
    Q_SIGNAL void forceFrameRateChanged();
    Q_SIGNAL void decodingThreadsChanged(int n);
    Q_SIGNAL void decoderPriorityNamesChanged();
    Q_SIGNAL void registeredDecodersChanged(const QVector<int>& r);
    Q_SIGNAL void zeroCopyChanged();
    Q_SIGNAL void captureDirChanged(const QString& dir);
    Q_SIGNAL void captureFormatChanged(const QString& fmt);
    Q_SIGNAL void captureQualityChanged(int quality);
    Q_SIGNAL void avfilterVideoChanged();
    Q_SIGNAL void avfilterAudioChanged();
    Q_SIGNAL void subtitleEnabledChanged();
    Q_SIGNAL void subtitleAutoLoadChanged();
    Q_SIGNAL void subtitleEnginesChanged();
    Q_SIGNAL void subtitleFontChanged();
    Q_SIGNAL void subtitleColorChanged();
    Q_SIGNAL void subtitleOutlineChanged();
    Q_SIGNAL void subtitleOutlineColorChanged();
    Q_SIGNAL void subtitleBottomMarginChanged();
    Q_SIGNAL void subtitleDelayChanged();
    Q_SIGNAL void assFontFileChanged();
    Q_SIGNAL void assFontsDirChanged();
    Q_SIGNAL void assFontFileForcedChanged();
    Q_SIGNAL void previewEnabledChanged();
    Q_SIGNAL void previewWidthChanged();
    Q_SIGNAL void previewHeightChanged();
    Q_SIGNAL void EGLChanged();
    Q_SIGNAL void openGLTypeChanged();
    Q_SIGNAL void ANGLEPlatformChanged();
    Q_SIGNAL void avformatOptionsEnabledChanged();
    Q_SIGNAL void bufferValueChanged();
    Q_SIGNAL void timeoutChanged();
    Q_SIGNAL void abortOnTimeoutChanged();
    Q_SIGNAL void logLevelChanged();
    Q_SIGNAL void languageChanged();
    Q_SIGNAL void historyChanged();
    Q_SIGNAL void videoURIChanged();
    Q_SIGNAL void segmentBufferSizeChanged();
    Q_SIGNAL void adaptationLogicChanged();
    Q_SIGNAL void icnChanged();
    Q_SIGNAL void rateAlphaChanged();
    Q_SIGNAL void bufferReservoirThresholdChanged();
    Q_SIGNAL void bufferMaxThresholdChanged();
    Q_SIGNAL void adaptechFirstThresholdChanged();
    Q_SIGNAL void adaptechSecondThresholdChanged();
    Q_SIGNAL void adaptechSwitchUpMarginChanged();
    Q_SIGNAL void adaptechSlackParameterChanged();
    Q_SIGNAL void adaptechAlphaChanged();
    Q_SIGNAL void bufferThreeThresholdFirstChanged();
    Q_SIGNAL void bufferThreeThresholdSecondChanged();
    Q_SIGNAL void bufferThreeThresholdThirdChanged();
    Q_SIGNAL void pandaParamAlphaChanged();
    Q_SIGNAL void pandaParamBetaChanged();
    Q_SIGNAL void pandaParamBMinChanged();
    Q_SIGNAL void pandaParamKChanged();
    Q_SIGNAL void pandaParamWChanged();
    Q_SIGNAL void pandaParamEpsilonChanged();
    Q_SIGNAL void bolaAlphaChanged();
    Q_SIGNAL void bolaBufferTargetChanged();
    Q_SIGNAL void repeatChanged();
    Q_SIGNAL void graphChanged();
    Q_SIGNAL void fullScreenChanged();
    Q_SIGNAL void autotuneChanged();
    Q_SIGNAL void lifetimeChanged();
    Q_SIGNAL void retransmissionsChanged();
    Q_SIGNAL void alphaChanged();
    Q_SIGNAL void betaChanged();
    Q_SIGNAL void dropChanged();
    Q_SIGNAL void betaWifiChanged();
    Q_SIGNAL void dropWifiChanged();
    Q_SIGNAL void delayWifiChanged();
    Q_SIGNAL void betaLteChanged();
    Q_SIGNAL void dropLteChanged();
    Q_SIGNAL void delayLteChanged();
    Q_SIGNAL void batchingParameterChanged();
    Q_SIGNAL void rateEstimatorChanged();

protected:
    explicit Config(QObject *parent = 0);
    ~Config();

public Q_SLOTS:
    void save();

private:
    class Data;
    Data *mpData;
};

#endif // PLAYER_CONFIG_H