feat: add mpv tone mapping setting

src/qEmbyApp/components/mpvcontroller.cpp

@@ -146,8 +146,16 @@ bool MpvController::init() {
              << "| interpolation=" << (vsyncMode == "display-resample");
 
     
-    
-    
+    mpv_set_option_string(m_mpv, "target-colorspace-hint", "auto");
+    mpv_set_option_string(m_mpv, "target-trc", "auto");
+    const QString toneMapping = ConfigStore::instance()->get<QString>(
+        ConfigKeys::PlayerToneMapping, "auto");
+    mpv_set_option_string(m_mpv, "tone-mapping", toneMapping.toUtf8().constData());
+    qDebug() << "[MpvController] Applied HDR tone mapping"
+             << "| target-colorspace-hint=auto"
+             << "| target-trc=auto"
+             << "| tone-mapping=" << toneMapping;
+
     QString hwdec = ConfigStore::instance()->get<QString>(ConfigKeys::PlayerHwDec, "auto-copy");
     mpv_set_option_string(m_mpv, "hwdec", hwdec.toUtf8().constData());
 

src/qEmbyApp/views/settings/pageplayer.cpp

@@ -80,6 +80,18 @@ PagePlayer::PagePlayer(QEmbyCore *core, QWidget *parent)
                        vsyncCombo, ConfigKeys::PlayerVideoSync, this,
                        QVariant("display-resample")));
 
+  auto *toneMappingCombo = new ModernComboBox(this);
+  toneMappingCombo->addItem(tr("Auto"), "auto");
+  toneMappingCombo->addItem(tr("Mobius"), "mobius");
+  toneMappingCombo->addItem(tr("BT.2390"), "bt.2390");
+  toneMappingCombo->addItem(tr("Hable"), "hable");
+  toneMappingCombo->addItem(tr("Reinhard"), "reinhard");
+  m_mainLayout->addWidget(
+      new SettingsCard(":/svg/dark/video-output.svg", tr("Tone Mapping"),
+                       tr("HDR to SDR tone mapping algorithm"),
+                       toneMappingCombo, ConfigKeys::PlayerToneMapping, this,
+                       QVariant("auto")));
+
   auto createLanguageRuleInput = [this](bool allowNone) {
     auto *input = new ModernTagInput(this);
     input->setPopupMode(ModernTagInput::ForcePopup);

src/qEmbyCore/config/config_keys.h

@@ -106,6 +106,7 @@ constexpr const char* ImageCacheDuration = "cache/image_cache_duration";
 constexpr const char* PlayerHwDec = "player/hw_decoding";
 constexpr const char* PlayerVo = "player/video_output";
 constexpr const char* PlayerVideoSync = "player/video_sync";
+constexpr const char* PlayerToneMapping = "player/tone_mapping";
 constexpr const char* PlayerDefaultScale = "player/default_scale";
 constexpr const char* PlayerAudioLang = "player/audio_lang";
 constexpr const char* PlayerSubLang = "player/sub_lang";