WaterMark/WatermarkMediaHandler.cpp

/**
 *  Copyright (C) 2021 Savoir-faire Linux Inc.
 *
 *  Author: Aline Gondim Santos <aline.gondimsantos@savoirfairelinux.com>
 *
 *  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, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
 */

#include "WatermarkMediaHandler.h"

#include "pluglog.h"
#include <string_view>

const char sep = separator();
const std::string TAG = "Watermark";

#define NAME "Watermark"

namespace jami {

WatermarkMediaHandler::WatermarkMediaHandler(std::map<std::string, std::string>&& preferences,
                                             std::string&& datapath)
    : datapath_ {datapath}
    , preferences_ {preferences}
{
    setId(datapath_);
    mediaSubscriber_ = std::make_shared<WatermarkVideoSubscriber>(datapath_, preferences_);
}

void
WatermarkMediaHandler::notifyAVFrameSubject(const StreamData& data, jami::avSubjectPtr subject)
{
    std::ostringstream oss;
    std::string_view direction = data.direction ? "Receive" : "Preview";
    oss << "NEW SUBJECT: [" << data.id << "," << direction << "]" << std::endl;

    bool preferredStreamDirection {false}; // false for output; true for input
    auto it = preferences_.find("videostream");
    if (it != preferences_.end()) {
        preferredStreamDirection = it->second == "1";
    }
    oss << "preferredStreamDirection " << preferredStreamDirection << std::endl;
    if (data.type == StreamType::video && !data.direction
        && data.direction == preferredStreamDirection) {
        if (attached_ == "1")
            detach();
        subject->attach(mediaSubscriber_.get()); // your image
        oss << "got my sent image attached" << std::endl;
        attached_ = "1";
    } else if (data.type == StreamType::video && data.direction
               && data.direction == preferredStreamDirection) {
        if (attached_ == "1")
            detach();
        subject->attach(mediaSubscriber_.get()); // the image you receive from others on the call
        oss << "got received image attached" << std::endl;
        attached_ = "1";
    }

    Plog::log(Plog::LogPriority::INFO, TAG, oss.str());
}

std::map<std::string, std::string>
WatermarkMediaHandler::getCallMediaHandlerDetails()
{
    return {{"name", NAME},
            {"iconPath", datapath_ + sep + "icon.svg"},
            {"pluginId", id()},
            {"attached", attached_},
            {"dataType", "1"}};
}

void
WatermarkMediaHandler::setPreferenceAttribute(const std::string& key, const std::string& value)
{
    auto it = preferences_.find(key);
    if (it != preferences_.end() && it->second != value) {
        it->second = value;
        if (key == "showlogo") {
            mediaSubscriber_->setParameter(it->second, Parameter::SHOWLOGO);
            return;
        }
        if (key == "mark") {
            mediaSubscriber_->setParameter(it->second, Parameter::LOGOPATH);
            return;
        }
        if (key == "markbackground") {
            mediaSubscriber_->setParameter(it->second, Parameter::LOGOBACKGROUND);
            return;
        }
        if (key == "location") {
            mediaSubscriber_->setParameter(it->second, Parameter::LOCATION);
            return;
        }
        if (key == "date") {
            mediaSubscriber_->setParameter(it->second, Parameter::DATE);
            return;
        }
        if (key == "time") {
            mediaSubscriber_->setParameter(it->second, Parameter::TIME);
            return;
        }
        if (key == "logoposition") {
            mediaSubscriber_->setParameter(it->second, Parameter::LOGOPOSITION);
            return;
        }
        if (key == "infosposition") {
            mediaSubscriber_->setParameter(it->second, Parameter::INFOSPOSITION);
            return;
        }
        if (key == "timeformat") {
            mediaSubscriber_->setParameter(it->second, Parameter::TIMEFORMAT);
            return;
        }
        if (key == "timezone") {
            mediaSubscriber_->setParameter(it->second, Parameter::TIMEZONE);
            mediaSubscriber_->setParameter(preferences_["timeformat"], Parameter::TIMEFORMAT);
            return;
        }
        if (key == "dateformat") {
            mediaSubscriber_->setParameter(it->second, Parameter::DATEFORMAT);
            return;
        }
        if (key == "fontsize") {
            mediaSubscriber_->setParameter(it->second, Parameter::FONTSIZE);
            return;
        }
        if (key == "logosize") {
            mediaSubscriber_->setParameter(it->second, Parameter::LOGOSIZE);
            return;
        }
        if (key == "showinfos") {
            mediaSubscriber_->setParameter(it->second, Parameter::SHOWINFOS);
            return;
        }
    }
}

bool
WatermarkMediaHandler::preferenceMapHasKey(const std::string& key)
{
    return (key == "showlogo" || key == "mark" || key == "markbackground" || key == "logosize"
            || key == "showinfos" || key == "location" || key == "date" || key == "time"
            || key == "infosposition" || key == "logoposition" || key == "timeformat"
            || key == "timezone" || key == "dateformat" || key == "fontsize");
}

void
WatermarkMediaHandler::detach()
{
    attached_ = "0";
    mediaSubscriber_->detach();
}

WatermarkMediaHandler::~WatermarkMediaHandler()
{
    std::ostringstream oss;
    oss << " ~WatermarkMediaHandler from WaterMark Plugin" << std::endl;
    Plog::log(Plog::LogPriority::INFO, TAG, oss.str());
    detach();
}
} // namespace jami