Modify GreenScreen

Change-Id: I179896b2414f35f0efc543738e7ecc943d5deb1d
diff --git a/TensorflowSegmentation/pluginMediaHandler.cpp b/TensorflowSegmentation/pluginMediaHandler.cpp
new file mode 100644
index 0000000..44d68c7
--- /dev/null
+++ b/TensorflowSegmentation/pluginMediaHandler.cpp
@@ -0,0 +1,116 @@
+/**
+ *  Copyright (C) 2020 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 "pluginMediaHandler.h"
+// Logger
+#include "pluglog.h"
+#include <string_view>
+const char sep = separator();
+const std::string TAG = "FORESEG";
+
+#define NAME "Foreground Segmentation"
+
+namespace jami {
+
+PluginMediaHandler::PluginMediaHandler(std::map<std::string, std::string>&& preferences,
+                                       std::string&& datapath)
+    : datapath_ {datapath}
+    , preferences_ {preferences}
+{
+    setGlobalPluginParameters(preferences_);
+    setId(datapath_);
+    mVS = std::make_shared<VideoSubscriber>(datapath_);
+}
+
+void
+PluginMediaHandler::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;
+    auto it = preferences_.find("streamslist");
+    if (it != preferences_.end()) {
+        Plog::log(Plog::LogPriority::INFO, TAG, "SET PARAMETERS");
+        preferredStreamDirection = it->second == "in";
+    }
+    oss << "preferredStreamDirection " << preferredStreamDirection << std::endl;
+    if (data.type == StreamType::video && !data.direction
+        && data.direction == preferredStreamDirection) {
+        subject->attach(mVS.get()); // my image
+        oss << "got my sent image attached" << std::endl;
+        attached_ = '1';
+    } else if (data.type == StreamType::video && data.direction
+               && data.direction == preferredStreamDirection) {
+        subject->attach(mVS.get()); // the image I receive from the others on the call
+        attached_ = '1';
+    }
+
+    Plog::log(Plog::LogPriority::INFO, TAG, oss.str());
+}
+
+std::map<std::string, std::string>
+PluginMediaHandler::getCallMediaHandlerDetails()
+{
+    return {{"name", NAME},
+            {"iconPath", datapath_ + sep + "icon.png"},
+            {"pluginId", id()},
+            {"attached", attached_},
+            {"dataType", "1"}};
+}
+
+void
+PluginMediaHandler::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 == "background") {
+            mVS->setBackground(value);
+        }
+    }
+}
+
+bool
+PluginMediaHandler::preferenceMapHasKey(const std::string& key)
+{
+    if (key == "background") {
+        return true;
+    }
+    return false;
+}
+
+void
+PluginMediaHandler::detach()
+{
+    attached_ = '0';
+    mVS->detach();
+}
+
+PluginMediaHandler::~PluginMediaHandler()
+{
+    std::ostringstream oss;
+    oss << " ~FORESEG Plugin" << std::endl;
+    Plog::log(Plog::LogPriority::INFO, TAG, oss.str());
+    detach();
+}
+} // namespace jami