add PlaybackEngine

2026-06-18 14:44:18 +02:00
parent 0451a72a8b
commit 2130d95ed5
2 changed files with 103 additions and 0 deletions
@@ -0,0 +1,40 @@
+#pragma once
+
+#include "miniaudio.h"
+
+#include <atomic>
+#include <memory>
+
+struct PlaybackState {
+    ma_decoder decoder{};
+    std::atomic<bool> finished{ false };
+};
+
+class PlaybackEngine {
+public:
+    PlaybackEngine();
+    ~PlaybackEngine();
+
+    static void data_callback( ma_device* pDevice, void* pOutput, const void*, ma_uint32 frameCount );
+    void configureDevice();
+    void configureDecoder();
+    void initDevice();
+    void initDecoder( const char* filePath );
+
+    void startPlayback();
+    void stopPlayback();
+    void pausePlayback() { stopPlayback(); };
+    int isFinished() const;
+
+private:
+
+    ma_device device_;
+    ma_format format_;
+    unsigned int channels_;
+    unsigned int sampleRate_;
+    PlaybackState state;
+
+    //config
+    ma_decoder_config decoderConfig;
+    ma_device_config deviceConfig;
+};