Merge branch 'filter_audio' of https://github.com/mwuttke97/qTox into filter_audio

Added some `#ifdef QTOX_FILTER_AUDIO`s.
Conflicts:
	qtox.pro

Conflicts:
	src/coreav.cpp

install_libfilteraudio.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+CURRENT_DIR=$DIRSTACK
+SOURCE_DIR="filter_audio/"
+SOURCE_PATH="./../"
+LIB_DIR="/usr/local/lib/"
+INCLUDE_DIR="/usr/local/include/"
+
+echo "Clone filter_audio from GitHub.com"
+cd $SOURCE_PATH
+git clone --quiet https://github.com/irungentoo/filter_audio.git $SOURCE_DIR
+
+echo "Compile filter_audio"
+cd $SOURCE_DIR
+gcc -c -fPIC filter_audio.c aec/*.c agc/*.c ns/*.c other/*.c  -lm -lpthread
+
+echo "Create shared object file"
+gcc *.o -shared -o libfilteraudio.so
+
+echo "Clean up"
+rm *.o
+
+echo "Install libfilteraudio.so"
+sudo cp libfilteraudio.so $LIB_DIR
+
+echo "Install include files"
+sudo cp *.h $INCLUDE_DIR
+
+echo "Finished."
+cd $CURRENT_DIR
+exit 1
+

qtox.pro

@@ -234,6 +234,12 @@ SOURCES += \
     src/widget/form/settings/advancedform.cpp \
     src/audio.cpp
 
+contains(DEFINES, QTOX_FILTER_AUDIO) {
+    HEADERS += src/audiofilterer.h
+    SOURCES += src/audiofilterer.cpp
+    unix|win32: LIBS += -lfilteraudio
+}
+
 contains(DEFINES, QTOX_PLATFORM_EXT) {
     HEADERS += src/platform/timer.h
     SOURCES += src/platform/timer_osx.cpp \

src/audiofilterer.cpp

@@ -0,0 +1,52 @@
+/*
+    Copyright (C) 2014 by Project Tox <https://tox.im>
+
+    This file is part of qTox, a Qt-based graphical interface for Tox.
+
+    This program is libre 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 COPYING file for more details.
+*/
+
+
+#ifdef QTOX_FILTER_AUDIO
+
+#include "audiofilterer.h"
+extern "C"{
+#include <filter_audio.h>
+}
+
+void AudioFilterer::startFilter(unsigned int fs)
+{
+    closeFilter();
+    filter = new_filter_audio(fs);
+}
+
+void AudioFilterer::closeFilter()
+{
+    if (filter)
+        kill_filter_audio(filter);
+}
+
+
+void AudioFilterer::filterAudio(int16_t* data, int framesize)
+{
+    if (!filter)
+        return;
+
+    filter_audio(filter, (int16_t*) data, framesize);
+}
+
+
+AudioFilterer::~AudioFilterer()
+{
+    closeFilter();
+}
+
+#endif // QTOX_FILTER_AUDIO

src/audiofilterer.h

@@ -0,0 +1,41 @@
+/*
+    Copyright (C) 2014 by Project Tox <https://tox.im>
+
+    This file is part of qTox, a Qt-based graphical interface for Tox.
+
+    This program is libre 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 COPYING file for more details.
+*/
+
+#ifdef QTOX_FILTER_AUDIO
+#ifndef AUDIOFILTERER_H
+#define AUDIOFILTERER_H
+#include <cstdint>
+
+#ifndef _FILTER_AUDIO
+typedef struct Filter_Audio Filter_Audio;
+#endif
+
+class AudioFilterer
+{
+public:
+    explicit AudioFilterer() = default;
+    ~AudioFilterer();
+
+    void startFilter(unsigned int fs);
+    void filterAudio(int16_t* data, int framesize);
+    void closeFilter();
+
+private:
+    struct Filter_Audio* filter{nullptr};
+};
+
+#endif // AUDIOFILTERER_H
+#endif // QTOX_FILTER_AUDIO

src/core.h

@@ -33,6 +33,9 @@ class QTimer;
 class QString;
 class CString;
 class VideoSource;
+#ifdef QTOX_FILTER_AUDIO
+class AudioFilterer;
+#endif
 
 class Core : public QObject
 {
@@ -283,6 +286,9 @@ private:
     int dhtServerId;
     static QList<ToxFile> fileSendQueue, fileRecvQueue;
     static ToxCall calls[TOXAV_MAX_CALLS];
+#ifdef QTOX_FILTER_AUDIO
+    static AudioFilterer * filterer[TOXAV_MAX_CALLS];
+#endif
     static QHash<int, ToxGroupCall> groupCalls; // Maps group IDs to ToxGroupCalls
     QMutex fileSendMutex, messageSendMutex;
     bool ready;

src/coreav.cpp

@@ -17,10 +17,17 @@
 #include "core.h"
 #include "video/camera.h"
 #include "audio.h"
+#ifdef QTOX_FILTER_AUDIO
+#include "audiofilterer.h"
+#endif
+#include "misc/settings.h"
 #include <QDebug>
 #include <QTimer>
 
 ToxCall Core::calls[TOXAV_MAX_CALLS];
+#ifdef QTOX_FILTER_AUDIO
+AudioFilterer * Core::filterer[TOXAV_MAX_CALLS] { nullptr};
+#endif
 const int Core::videobufsize{TOXAV_MAX_VIDEO_WIDTH * TOXAV_MAX_VIDEO_HEIGHT * 4};
 uint8_t* Core::videobuf;
 
@@ -65,6 +72,20 @@ void Core::prepareCall(int friendId, int callId, ToxAv* toxav, bool videoEnabled
         calls[callId].sendVideoTimer->start();
         Camera::getInstance()->subscribe();
     }
+
+#ifdef QTOX_FILTER_AUDIO
+    if (Settings::getInstance().getFilterAudio())
+    {
+        Core::filterer[callId] = new AudioFilterer();
+        filterer[callId]->startFilter(48000);
+    }
+    else
+    {
+        if (filterer[callId])
+            delete filterer[callId];
+        filterer[callId] = nullptr;
+    }
+#endif
 }
 
 void Core::onAvMediaChange(void* toxav, int32_t callId, void* core)
@@ -246,8 +267,16 @@ void Core::sendCallAudio(int callId, ToxAv* toxav)
             return;
         }
 
+#ifdef QTOX_FILTER_AUDIO
+        if (filterer[callId])
+        {
+            filterer[callId]->filterAudio((int16_t*) buf, framesize);
+        }
+#endif
         if ((r = toxav_send_audio(toxav, callId, dest, r)) < 0)
+        {
             qDebug() << "Core: toxav_send_audio error";
+        }
     }
     calls[callId].sendAudioTimer->start();
 }
@@ -294,14 +323,16 @@ void Core::sendCallVideo(int callId)
 
 void Core::micMuteToggle(int callId)
 {
-    if (calls[callId].active) {
+    if (calls[callId].active)
+    {
         calls[callId].muteMic = !calls[callId].muteMic;
     }
 }
 
 void Core::volMuteToggle(int callId)
 {
-    if (calls[callId].active) {
+    if (calls[callId].active)
+    {
         calls[callId].muteVol = !calls[callId].muteVol;
         alSourcef(calls[callId].alSource, AL_GAIN, calls[callId].muteVol ? 0.f : 1.f);
     }
@@ -321,6 +352,15 @@ void Core::onAvCancel(void* _toxav, int32_t callId, void* core)
 
     calls[callId].active = false;
 
+#ifdef QTOX_FILTER_AUDIO
+    if (filterer[callId])
+    {
+        filterer[callId]->closeFilter();
+        delete filterer[callId];
+        filterer[callId] = nullptr;
+    }
+#endif
+
     emit static_cast<Core*>(core)->avCancel(friendId, callId);
 }
 

src/misc/settings.cpp

@@ -198,6 +198,7 @@ void Settings::load()
     s.beginGroup("Audio");
         inDev = s.value("inDev", "").toString();
         outDev = s.value("outDev", "").toString();
+        filterAudio = s.value("filterAudio", false).toBool();
     s.endGroup();
 
     // Read the embedded DHT bootsrap nodes list if needed
@@ -340,6 +341,7 @@ void Settings::save(QString path, bool writeFriends)
     s.beginGroup("Audio");
         s.setValue("inDev", inDev);
         s.setValue("outDev", outDev);
+        s.setValue("filterAudio", filterAudio);
     s.endGroup();
 
     if (!writeFriends || currentProfile.isEmpty()) // Core::switchConfiguration
@@ -898,6 +900,14 @@ void Settings::setOutDev(const QString& deviceSpecifier)
     outDev = deviceSpecifier;
 }
 
+bool Settings::getFilterAudio() const{
+    return filterAudio;
+}
+
+void Settings::setFilterAudio(bool newValue){
+    filterAudio = newValue;
+}
+
 QString Settings::getFriendAdress(const QString &publicKey) const
 {
     QString key = ToxID::fromString(publicKey).publicKey;

src/misc/settings.h

@@ -128,6 +128,9 @@ public:
     QString getOutDev() const;
     void setOutDev(const QString& deviceSpecifier);
 
+    bool getFilterAudio() const;
+    void setFilterAudio(bool newValue);
+
     // Assume all widgets have unique names
     // Don't use it to save every single thing you want to save, use it
     // for some general purpose widgets, such as MainWindows or Splitters,
@@ -298,6 +301,7 @@ private:
     // Audio
     QString inDev;
     QString outDev;
+    bool filterAudio;
 
     struct friendProp
     {

src/widget/form/settings/avform.cpp

@@ -33,12 +33,19 @@ AVForm::AVForm() :
     bodyUI = new Ui::AVSettings;
     bodyUI->setupUi(this);
 
+#ifdef QTOX_FILTER_AUDIO
+    bodyUI->filterAudio->setChecked(Settings::getInstance().getFilterAudio());
+#else
+    bodyUI->filterAudio->setDisabled(true);
+#endif
+
     connect(Camera::getInstance(), &Camera::propProbingFinished, this, &AVForm::onPropProbingFinished);
     connect(Camera::getInstance(), &Camera::resolutionProbingFinished, this, &AVForm::onResProbingFinished);
 
     auto qcomboboxIndexChanged = (void(QComboBox::*)(const QString&)) &QComboBox::currentIndexChanged;
     connect(bodyUI->inDevCombobox, qcomboboxIndexChanged, this, &AVForm::onInDevChanged);
     connect(bodyUI->outDevCombobox, qcomboboxIndexChanged, this, &AVForm::onOutDevChanged);
+    connect(bodyUI->filterAudio, SIGNAL(toggled(bool)), this, SLOT(onFilterAudioToggled(bool)));
     connect(bodyUI->rescanButton, &QPushButton::clicked, this, [=](){getAudioInDevices(); getAudioOutDevices();});
 }
 
@@ -189,3 +196,7 @@ void AVForm::onOutDevChanged(const QString& deviceDescriptor)
     Settings::getInstance().setOutDev(deviceDescriptor);
     Audio::openOutput(deviceDescriptor);
 }
+
+void AVForm::onFilterAudioToggled(bool filterAudio){
+    Settings::getInstance().setFilterAudio(filterAudio);
+}

src/widget/form/settings/avform.h

@@ -52,6 +52,7 @@ private slots:
     // audio
     void onInDevChanged(const QString& deviceDescriptor);
     void onOutDevChanged(const QString& deviceDescriptor);
+    void onFilterAudioToggled(bool filterAudio);
 
     // camera
     void onPropProbingFinished(Camera::Prop prop, double val);

src/widget/form/settings/avsettings.ui

@@ -30,8 +30,8 @@
        <rect>
         <x>0</x>
         <y>0</y>
-        <width>810</width>
-        <height>496</height>
+        <width>808</width>
+        <height>618</height>
        </rect>
       </property>
       <layout class="QVBoxLayout" name="verticalLayout_5">
@@ -96,6 +96,13 @@
             </property>
            </widget>
           </item>
+          <item row="8" column="0">
+           <widget class="QCheckBox" name="filterAudio">
+            <property name="text">
+             <string>Filter audio</string>
+            </property>
+           </widget>
+          </item>
          </layout>
         </widget>
        </item>