Add StreamingPreferences class

app/app.pro

@@ -62,7 +62,8 @@ SOURCES += \
     streaming/video.c \
     streaming/connection.cpp \
     backend/computermanager.cpp \
-    backend/boxartmanager.cpp
+    backend/boxartmanager.cpp \
+    settings/streamingpreferences.cpp
 
 HEADERS += \
     utils.h \
@@ -73,7 +74,8 @@ HEADERS += \
     backend/nvpairingmanager.h \
     streaming/streaming.h \
     backend/computermanager.h \
-    backend/boxartmanager.h
+    backend/boxartmanager.h \
+    settings/streamingpreferences.h
 
 FORMS += \
     gui/mainwindow.ui

app/settings/streamingpreferences.cpp

@@ -0,0 +1,76 @@
+#include "streamingpreferences.h"
+
+#include <QSettings>
+
+#define SER_STREAMSETTINGS "streamsettings"
+#define SER_WIDTH "width"
+#define SER_HEIGHT "height"
+#define SER_FPS "fps"
+#define SER_BITRATE "bitrate"
+#define SER_FULLSCREEN "fullscreen"
+#define SER_GAMEOPTS "gameopts"
+#define SER_HOSTAUDIO "hostaudio"
+#define SER_MULTICONT "multicontroller"
+#define SER_AUDIOCFG "audiocfg"
+#define SER_VIDEOCFG "videocfg"
+
+StreamingPreferences::StreamingPreferences()
+{
+    reload();
+}
+
+void StreamingPreferences::reload()
+{
+    QSettings settings;
+
+    width = settings.value(SER_WIDTH, 1280).toInt();
+    height = settings.value(SER_HEIGHT, 720).toInt();
+    fps = settings.value(SER_FPS, 60).toInt();
+    bitrateKbps = settings.value(SER_BITRATE, getDefaultBitrate(width, height, fps)).toInt();
+    fullScreen = settings.value(SER_FULLSCREEN, true).toBool();
+    enableGameOptimizations = settings.value(SER_GAMEOPTS, true).toBool();
+    playAudioOnHost = settings.value(SER_HOSTAUDIO, false).toBool();
+    multiController = settings.value(SER_MULTICONT, true).toBool();
+    audioConfig = static_cast<AudioConfig>(settings.value(SER_AUDIOCFG,
+                                                  static_cast<int>(AudioConfig::AC_AUTO)).toInt());
+    videoCodecConfig = static_cast<VideoCodecConfig>(settings.value(SER_VIDEOCFG,
+                                                  static_cast<int>(VideoCodecConfig::VCC_AUTO)).toInt());
+}
+
+void StreamingPreferences::save()
+{
+    QSettings settings;
+
+    settings.setValue(SER_WIDTH, width);
+    settings.setValue(SER_HEIGHT, height);
+    settings.setValue(SER_FPS, fps);
+    settings.setValue(SER_BITRATE, bitrateKbps);
+    settings.setValue(SER_FULLSCREEN, fullScreen);
+    settings.setValue(SER_GAMEOPTS, enableGameOptimizations);
+    settings.setValue(SER_HOSTAUDIO, playAudioOnHost);
+    settings.setValue(SER_MULTICONT, multiController);
+    settings.setValue(SER_AUDIOCFG, static_cast<int>(audioConfig));
+    settings.setValue(SER_VIDEOCFG, static_cast<int>(videoCodecConfig));
+}
+
+int StreamingPreferences::getDefaultBitrate(int width, int height, int fps)
+{
+    if (width * height * fps <=  1280 * 720 * 30) {
+        return 5000;
+    }
+    else if (width * height * fps <= 1280 * 720 * 60) {
+        return 10000;
+    }
+    else if (width * height * fps <= 1920 * 1080 * 30) {
+        return 10000;
+    }
+    else if (width * height * fps <= 1920 * 1080 * 60) {
+        return 20000;
+    }
+    else if (width * height * fps <= 3840 * 2160 * 30) {
+        return 40000;
+    }
+    else /* if (width * height * fps <= 3840 * 2160 * 60) */ {
+        return 80000;
+    }
+}

app/settings/streamingpreferences.h

@@ -0,0 +1,42 @@
+#pragma once
+
+class StreamingPreferences
+{
+public:
+    StreamingPreferences();
+
+    static int
+    getDefaultBitrate(int width, int height, int fps);
+
+    void save();
+
+    void reload();
+
+    enum AudioConfig
+    {
+        AC_AUTO,
+        AC_FORCE_STEREO,
+        AC_FORCE_SURROUND
+    };
+
+    enum VideoCodecConfig
+    {
+        VCC_AUTO,
+        VCC_FORCE_H264,
+        VCC_FORCE_HEVC,
+        VCC_FORCE_HEVC_HDR
+    };
+
+    // Directly accessible members for preferences
+    int width;
+    int height;
+    int fps;
+    int bitrateKbps;
+    bool fullScreen;
+    bool enableGameOptimizations;
+    bool playAudioOnHost;
+    bool multiController;
+    AudioConfig audioConfig;
+    VideoCodecConfig videoCodecConfig;
+};
+