source: smplayer/trunk/src/mplayerversion.cpp@ 121

/*  smplayer, GUI front-end for mplayer.
    Copyright (C) 2006-2011 Ricardo Villalba <rvm@escomposlinux.org>

    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 2 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, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "mplayerversion.h"
#include "global.h"
#include "preferences.h"

#include <QRegExp>

using namespace Global;

int MplayerVersion::mplayerVersion(QString string) {
        //static QRegExp rx_mplayer_revision("^MPlayer (\\S+)-SVN-r(\\d+)-(.*)");
        static QRegExp rx_mplayer_revision("^MPlayer (.*)[-\\.]r(\\d+)(.*)");
        static QRegExp rx_mplayer_version("^MPlayer ([a-z,0-9,.]+)-(.*)");
        static QRegExp rx_mplayer_git("^MPlayer GIT(.*)", Qt::CaseInsensitive);
        static QRegExp rx_mplayer_version_final("1.0rc([0-9])");
#ifndef Q_OS_WIN
        static QRegExp rx_mplayer_version_ubuntu("^MPlayer (\\d):(\\d)\\.(\\d)~(.*)");
        static QRegExp rx_mplayer_version_mandriva("^MPlayer ([a-z0-9\\.]+)-\\d+\\.([a-z0-9]+)\\.[\\d\\.]+[a-z]+[\\d\\.]+-(.*)");
#endif

        int mplayer_svn = 0;

#ifdef Q_OS_WIN
        // Hack to recognize mplayer 1.0rc2 from CCCP:
        if (string.startsWith("MPlayer CCCP ")) { 
                string.remove("CCCP "); 
                qDebug("MplayerVersion::mplayerVersion: removing CCCP: '%s'", string.toUtf8().data()); 
        }
#else
        // Hack to recognize mplayer 1.0rc1 from Ubuntu:
        if (rx_mplayer_version_ubuntu.indexIn(string) > -1) {
                int v1 = rx_mplayer_version_ubuntu.cap(2).toInt();
                int v2 = rx_mplayer_version_ubuntu.cap(3).toInt();
                QString rest = rx_mplayer_version_ubuntu.cap(4);
                //qDebug("%d - %d - %d", rx_mplayer_version_ubuntu.cap(1).toInt(), v1 , v2);
                string = QString("MPlayer %1.%2%3").arg(v1).arg(v2).arg(rest);
                qDebug("MplayerVersion::mplayerVersion: line converted to '%s'", string.toUtf8().data());
        }
        // Hack to recognize mplayer version from Mandriva:
        if (rx_mplayer_version_mandriva.indexIn(string) > -1) {
                QString v1 = rx_mplayer_version_mandriva.cap(1);
                QString v2 = rx_mplayer_version_mandriva.cap(2);
                QString rest = rx_mplayer_version_mandriva.cap(3);
                string = QString("MPlayer %1%2-%3").arg(v1).arg(v2).arg(rest);
                qDebug("MplayerVersion::mplayerVersion: line converted to '%s'", string.toUtf8().data());
        }
#endif

        if (rx_mplayer_git.indexIn(string) > -1) {
                qDebug("MplayerVersion::mplayerVersion: MPlayer from git. Assuming >= 1.0rc3");
                mplayer_svn = MPLAYER_1_0_RC3_SVN;
        }
        else
        if (rx_mplayer_revision.indexIn(string) > -1) {
                mplayer_svn = rx_mplayer_revision.cap(2).toInt();
                qDebug("MplayerVersion::mplayerVersion: MPlayer SVN revision found: %d", mplayer_svn);
        } 
        else
        if (rx_mplayer_version.indexIn(string) > -1) {
                QString version = rx_mplayer_version.cap(1);
                qDebug("MplayerVersion::mplayerVersion: MPlayer version found: %s", version.toUtf8().data());
                mplayer_svn = 0;

                if (version == "1.0rc3") mplayer_svn = MPLAYER_1_0_RC3_SVN;
                else
                if (version == "1.0rc2") mplayer_svn = MPLAYER_1_0_RC2_SVN;
                else
                if (version == "1.0rc1") mplayer_svn = MPLAYER_1_0_RC1_SVN;
                else
                if(rx_mplayer_version_final.indexIn(version) > -1 && rx_mplayer_version_final.cap(1).toInt() > 3)
                        mplayer_svn = MPLAYER_1_0_RC3_SVN; //version is > 1.0rc3, so treat as 1.0rc3 since support for later versions is not yet implemented

                else
                        qWarning("MplayerVersion::mplayerVersion: unknown MPlayer version");

        }

        if (pref) {
                pref->mplayer_detected_version = mplayer_svn;
        }

        return mplayer_svn;
}

bool MplayerVersion::isMplayerAtLeast(int mplayer_svn, int svn_revision) {
        qDebug("MplayerVersion::isMplayerAtLeast: comparing %d with %d", svn_revision, mplayer_svn);

        if (mplayer_svn == -1) {
                qWarning("MplayerVersion::isMplayerAtLeast: no version found!");
        }
        else
        if (mplayer_svn == 0) {
                qWarning("MplayerVersion::isMplayerAtLeast: version couldn't be parsed!");
        }

        if (mplayer_svn <= 0) {
                qWarning("MplayerVersion::isMplayerAtLeast: assuming that the mplayer version is less than %d", svn_revision);
                return false;
        }

        return (mplayer_svn >= svn_revision);
}

bool MplayerVersion::isMplayerAtLeast(int svn_revision) {
        if (pref->mplayer_detected_version >= MPLAYER_1_0_RC1_SVN) {
                // SVN version seems valid
                if (pref->mplayer_user_supplied_version != -1) {
                        qDebug("MplayerVersion::isMplayerAtLeast: using the parsed svn version from mplayer output");
                        qDebug("MplayerVersion::isMplayerAtLeast: and clearing the previously user supplied version");
                        pref->mplayer_user_supplied_version = -1;
                }
                return isMplayerAtLeast(pref->mplayer_detected_version, svn_revision);
        } 
        else 
        if (pref->mplayer_user_supplied_version != -1) {
                qDebug("MplayerVersion::isMplayerAtLeast: no parsed version, using user supplied version");
                return isMplayerAtLeast(pref->mplayer_user_supplied_version, svn_revision);
        }
        else {
                qWarning("MplayerVersion::isMplayerAtLeast: there's no parsed version nor user supplied version!");
                return isMplayerAtLeast(pref->mplayer_detected_version, svn_revision);
        }
}

QString MplayerVersion::toString(int svn_revision) {
        QString version;

        switch (svn_revision) {
                case MPLAYER_1_0_RC1_SVN: version = QString("1.0rc1"); break;
                case MPLAYER_1_0_RC2_SVN: version = QString("1.0rc2"); break;
                case MPLAYER_1_0_RC3_SVN: version = QString("1.0rc3"); break;
                default : version =  QString("SVN r%1").arg(svn_revision);
        }

        return version;
}