Open Source Projects Europe

/* Copyright (C) 2014 J.F.Dockes

 *     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 <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <sys/types.h>

#include <pwd.h>

#include <string>

#include <iostream>

#include <sstream>

#include <vector>

#include <functional>

#include <set>

using namespace std;

using namespace std::placeholders;

#include "libupnpp/upnpplib.hxx"

#include "libupnpp/soaphelp.hxx"

#include "libupnpp/device.hxx"

#include "libupnpp/log.hxx"

#include "upmpd.hxx"

#include "ohvolume.hxx"

#include "mpdcli.hxx"

#include "upmpdutils.hxx"

#include "rendering.hxx"

static const string sTpProduct("urn:av-openhome-org:service:Volume:1");

static const string sIdProduct("urn:av-openhome-org:serviceId:Volume");

OHVolume::OHVolume(UpMpd *dev, UpMpdRenderCtl *ctl)

    : UpnpService(sTpProduct, sIdProduct, dev), m_dev(dev), m_ctl(ctl)

{

    dev->addActionMapping("Characteristics", 

                          bind(&OHVolume::characteristics, this, _1, _2));

    dev->addActionMapping("SetVolume", 

                          bind(&OHVolume::setVolume, this, _1, _2));

    dev->addActionMapping("Volume", 

                          bind(&OHVolume::volume, this, _1, _2));

    dev->addActionMapping("VolumeInc", 

                          bind(&OHVolume::volumeInc, this, _1, _2));

    dev->addActionMapping("VolumeDec", 

                          bind(&OHVolume::volumeDec, this, _1, _2));

    dev->addActionMapping("VolumeLimit", 

                          bind(&OHVolume::volumeLimit, this, _1, _2));

    dev->addActionMapping("Mute", 

                          bind(&OHVolume::mute, this, _1, _2));

    dev->addActionMapping("SetMute", 

                          bind(&OHVolume::setMute, this, _1, _2));

}

void OHVolume::getdata(string& trackcount, string &duration, 

                     string& seconds)

{

    const MpdStatus &mpds =  m_dev->getMpdStatus();

    char cbuf[30];

    sprintf(cbuf, "%d", mpds.trackcounter);

    trackcount = cbuf;

    bool is_song = (mpds.state == MpdStatus::MPDS_PLAY) || 

        (mpds.state == MpdStatus::MPDS_PAUSE);

    if (is_song) {

        sprintf(cbuf, "%u", mpds.songlenms / 1000);

        duration = cbuf;

        sprintf(cbuf, "%u", mpds.songelapsedms / 1000);

        seconds = cbuf;

    }

}

bool OHVolume::makestate(unordered_map<string, string> &st)

{

    st.clear();

    st["VolumeMax"] = "100";

    st["VolumeLimit"] = 100;

    st["VolumeUnity"] = "100";

    st["VolumeSteps"] = "100";

    st["VolumeMilliDbPerSteps"] = "500";

    st["BalanceMax"] = "0";

    st["FadeMax"] = "0";

    char cbuf[30];

    int volume = m_ctl->getvolume_i();

    sprintf(cbuf, "%d", volume);

    st["Volume"] = cbuf;

    st["Mute"] = volume == 0 ? "1" : "0";

    return true;

}

bool OHVolume::getEventData(bool all, std::vector<std::string>& names, 

                            std::vector<std::string>& values)

{

    LOGDEB("OHVolume::getEventData" << endl);

    unordered_map<string, string> state;

    makestate(state);

    unordered_map<string, string> changed;

    if (all) {

        changed = state;

    } else {

        changed = diffmaps(m_state, state);

    }

    m_state = state;

    for (unordered_map<string, string>::iterator it = changed.begin();

         it != changed.end(); it++) {

        names.push_back(it->first);

        values.push_back(it->second);

    }

    return true;

}

int OHVolume::characteristics(const SoapArgs& sc, SoapData& data)

{

    LOGDEB("OHVolume::charact." << endl);

    data.addarg("VolumeMax", "100");

    data.addarg("VolumeUnity", "100");

    data.addarg("VolumeSteps", "100");

    // No idea...

    data.addarg("VolumeMilliDbPerStep", "500");

    data.addarg("BalanceMax", "0");

    data.addarg("FadeMax", "0");

    return UPNP_E_SUCCESS;

}

int OHVolume::setVolume(const SoapArgs& sc, SoapData& data)

{

    LOGDEB("OHVolume::setVolume" << endl);

    map<string, string>::const_iterator it;

    it = sc.args.find("Value");

    if (it == sc.args.end() || it->second.empty()) {

        return UPNP_E_INVALID_PARAM;

    }

    int volume = atoi(it->second.c_str());

    m_ctl->setvolume_i(volume);

    m_dev->loopWakeup();

    return UPNP_E_SUCCESS;

}

int OHVolume::setMute(const SoapArgs& sc, SoapData& data)

{

    LOGDEB("OHVolume::setMute" << endl);

    map<string, string>::const_iterator it;

    it = sc.args.find("Value");

    if (it == sc.args.end() || it->second.empty()) {

        return UPNP_E_INVALID_PARAM;

    }

    bool mute;

    if (it->second[0] == 'F' || it->second[0] == '0') {

        mute = false;

    } else if (it->second[0] == 'T' || it->second[0] == '1') {

        mute = true;

    } else {

        return UPNP_E_INVALID_PARAM;

    }

    m_ctl->setmute_i(mute);

    return UPNP_E_SUCCESS;

}

int OHVolume::volumeInc(const SoapArgs& sc, SoapData& data)

{

    LOGDEB("OHVolume::volumeInc" << endl);

    int newvol = m_ctl->getvolume_i()+1;

    if (newvol > 100)

        newvol = 100;

    m_ctl->setvolume_i(newvol);

    m_dev->loopWakeup();

    return UPNP_E_SUCCESS;

}

int OHVolume::volumeDec(const SoapArgs& sc, SoapData& data)

{

    LOGDEB("OHVolume::volumeDec" << endl);

    int newvol = m_ctl->getvolume_i() - 1;

    if (newvol < 0)

        newvol = 0;

    m_ctl->setvolume_i(newvol);

    m_dev->loopWakeup();

    return UPNP_E_SUCCESS;

}

int OHVolume::volume(const SoapArgs& sc, SoapData& data)

{

    LOGDEB("OHVolume::volume" << endl);

    char cbuf[30];

    int volume = m_ctl->getvolume_i();

    sprintf(cbuf, "%d", volume);

    data.addarg("Value", cbuf);

    return UPNP_E_SUCCESS;

}

int OHVolume::mute(const SoapArgs& sc, SoapData& data)

{

    LOGDEB("OHVolume::mute" << endl);

    bool mute = m_ctl->getvolume_i() == 0;

    data.addarg("Value", mute ? "1" : "0");

    return UPNP_E_SUCCESS;

}

int OHVolume::volumeLimit(const SoapArgs& sc, SoapData& data)

{

    LOGDEB("OHVolume::volumeLimit" << endl);

    data.addarg("Value", "100");

    return UPNP_E_SUCCESS;

}