From 3ad3c98daf6ce86a39ea899b3bb8adbde9336b23 Mon Sep 17 00:00:00 2001
From: Dan Paulat <dpaulat@gmail.com>
Date: Mon, 27 Nov 2023 05:53:41 -0600
Subject: [PATCH] Add play audio functionality to media manager

---
 .../source/scwx/qt/manager/media_manager.cpp  | 62 ++++++++++++++++++-
 .../source/scwx/qt/manager/media_manager.hpp  |  4 ++
 2 files changed, 64 insertions(+), 2 deletions(-)

diff --git a/scwx-qt/source/scwx/qt/manager/media_manager.cpp b/scwx-qt/source/scwx/qt/manager/media_manager.cpp
index 23896e63..d5ad895b 100644
--- a/scwx-qt/source/scwx/qt/manager/media_manager.cpp
+++ b/scwx-qt/source/scwx/qt/manager/media_manager.cpp
@@ -1,6 +1,11 @@
 #include <scwx/qt/manager/media_manager.hpp>
 #include <scwx/util/logger.hpp>
 
+#include <QAudioDevice>
+#include <QAudioOutput>
+#include <QMediaPlayer>
+#include <QUrl>
+
 namespace scwx
 {
 namespace qt
@@ -14,14 +19,67 @@ static const auto        logger_    = scwx::util::Logger::Create(logPrefix_);
 class MediaManager::Impl
 {
 public:
-   explicit Impl() {}
+   explicit Impl(MediaManager* self) :
+       self_ {self},
+       mediaPlayer_ {new QMediaPlayer(self)},
+       audioOutput_ {new QAudioOutput(self)}
+   {
+      audioOutput_->setVolume(1.0f);
+      mediaPlayer_->setAudioOutput(audioOutput_);
+
+      logger_->debug("Audio device: {}",
+                     audioOutput_->device().description().toStdString());
+
+      ConnectSignals();
+   }
 
    ~Impl() {}
+
+   void ConnectSignals();
+
+   MediaManager* self_;
+
+   QMediaPlayer* mediaPlayer_;
+   QAudioOutput* audioOutput_;
 };
 
-MediaManager::MediaManager() : p(std::make_unique<Impl>()) {}
+MediaManager::MediaManager() : p(std::make_unique<Impl>(this)) {}
 MediaManager::~MediaManager() = default;
 
+void MediaManager::Impl::ConnectSignals()
+{
+   QObject::connect(audioOutput_,
+                    &QAudioOutput::deviceChanged,
+                    self_,
+                    [this]()
+                    {
+                       logger_->debug(
+                          "Audio device changed: {}",
+                          audioOutput_->device().description().toStdString());
+                    });
+
+   QObject::connect(mediaPlayer_,
+                    &QMediaPlayer::errorOccurred,
+                    self_,
+                    [](QMediaPlayer::Error error, const QString& errorString)
+                    {
+                       logger_->error("Error {}: {}",
+                                      static_cast<int>(error),
+                                      errorString.toStdString());
+                    });
+}
+
+void MediaManager::Play(types::AudioFile media)
+{
+   const std::string path = types::GetMediaPath(media);
+
+   logger_->debug("Playing audio: {}", path);
+
+   p->mediaPlayer_->setSource(QUrl(QString::fromStdString(path)));
+
+   QMetaObject::invokeMethod(p->mediaPlayer_, &QMediaPlayer::play);
+}
+
 std::shared_ptr<MediaManager> MediaManager::Instance()
 {
    static std::weak_ptr<MediaManager> mediaManagerReference_ {};
diff --git a/scwx-qt/source/scwx/qt/manager/media_manager.hpp b/scwx-qt/source/scwx/qt/manager/media_manager.hpp
index 958bfc82..1b6f7ce9 100644
--- a/scwx-qt/source/scwx/qt/manager/media_manager.hpp
+++ b/scwx-qt/source/scwx/qt/manager/media_manager.hpp
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <scwx/qt/types/media_types.hpp>
+
 #include <memory>
 
 #include <QObject>
@@ -20,6 +22,8 @@ public:
    explicit MediaManager();
    ~MediaManager();
 
+   void Play(types::AudioFile media);
+
    static std::shared_ptr<MediaManager> Instance();
 
 private: