memory-related refactor

src/audio/AL/ALAudio.cpp

@@ -389,7 +389,7 @@ std::unique_ptr<Stream> ALAudio::openStream(std::shared_ptr<PCMStream> stream, b
     return std::make_unique<ALStream>(this, stream, keepSource);
 }
 
-ALAudio* ALAudio::create() {
+std::unique_ptr<ALAudio> ALAudio::create() {
     ALCdevice* device = alcOpenDevice(nullptr);
     if (device == nullptr)
         return nullptr;
@@ -400,7 +400,7 @@ ALAudio* ALAudio::create() {
     }
     AL_CHECK();
     logger.info() << "initialized";
-    return new ALAudio(device, context);
+    return std::make_unique<ALAudio>(device, context);
 }
 
 uint ALAudio::getFreeSource(){

src/audio/AL/ALAudio.hpp

@@ -136,9 +136,8 @@ namespace audio {
         std::vector<uint> freebuffers;
 
         uint maxSources = 256;
-
-        ALAudio(ALCdevice* device, ALCcontext* context);
     public:
+        ALAudio(ALCdevice* device, ALCcontext* context);
         ~ALAudio();
 
         uint getFreeSource();
@@ -164,7 +163,7 @@ namespace audio {
             return false;
         }
 
-        static ALAudio* create();
+        static std::unique_ptr<ALAudio> create();
     };
 }