minor refactor

src/coders/ogg.cpp

@@ -10,6 +10,7 @@
 
 static debug::Logger logger("ogg");
 
+namespace fs = std::filesystem;
 using namespace audio;
 
 static inline std::string vorbis_error_message(int code) {
@@ -33,7 +34,7 @@ static inline std::string vorbis_error_message(int code) {
     }
 }
 
-audio::PCM* ogg::load_pcm(const std::filesystem::path& file, bool headerOnly) {
+std::unique_ptr<audio::PCM> ogg::load_pcm(const fs::path& file, bool headerOnly) {
     OggVorbis_File vf;
     int code;
     if ((code = ov_fopen(file.u8string().c_str(), &vf))) {
@@ -66,7 +67,9 @@ audio::PCM* ogg::load_pcm(const std::filesystem::path& file, bool headerOnly) {
         totalSamples = data.size() / channels / 2;
     }
     ov_clear(&vf);
-    return new PCM(std::move(data), totalSamples, channels, 16, sampleRate, seekable);
+    return std::make_unique<PCM>(
+        std::move(data), totalSamples, channels, 16, sampleRate, seekable
+    );
 }
 
 class OggStream : public PCMStream {
@@ -149,11 +152,11 @@ public:
     }
 };
 
-PCMStream* ogg::create_stream(const std::filesystem::path& file) {
+std::unique_ptr<PCMStream> ogg::create_stream(const fs::path& file) {
     OggVorbis_File vf;
     int code;
     if ((code = ov_fopen(file.u8string().c_str(), &vf))) {
         throw std::runtime_error("vorbis: "+vorbis_error_message(code));
     }
-    return new OggStream(std::move(vf));
+    return std::make_unique<OggStream>(std::move(vf));
 }