Note taking,

include/ReMixer/ReMixer.h

@@ -1,6 +1,61 @@
 #pragma once
+#include <cstdint>
+#include <set>
+#include <string>
+
+#include "sound.h"
 
 namespace ReMixer {
+
+    /// 1. Abstraction Layer:
+    ///     Define abstract base classes or interfaces that capture the common
+    ///     functionalities across all supported audio APIs.
+    /// 2. Platform Specific Implementations:
+    ///     Create conrete classes for each platform (PulseDevice, WasapiDevice)
+    ///     that inherit from the abstract interfaces and implement the API-specific calls.
+    /// 3. Factory Pattern:
+    ///     Use a factory function or class to create the correct platform-specific
+    ///     implementation at runtime, based on the operating system.
+    /// 4. Resource Management:
+    ///     Employ RAII for managing audio device handles, streams, and buffers. Utilize Smart Pointers?
+    /// 5. Callbacks for asynchronous operations:
+    ///     Most low-level audio APIs use callbacks for delivering audio data (playback/capture)
+    ///     or notifying of device state changes. Your wrapper classes should expose this through
+    ///     C++ lambdas or std::function (or josh/Event)
+    ///  6. Error Handling:
+    ///     A consistent error reporting mechanism is crucial
+    ///  7. Data Formats:
+    ///     Handle common audio formats (PCM float, int16, int32) and sample rates. Provide conversion utilities if necessary.
+    ///  8. Device Enumeration:
+    ///     Allow users to discover available audio input and output devices.
+    ///
+
+    enum class SampleFormat {
+        Unknown,
+        Float16,
+        Float32,
+        Int16,
+        Int32,
+    };
+
+    unsigned operator ""_Hz(unsigned long long int frequency);
+    unsigned operator ""_kHz(long double frequency);
+    unsigned operator ""_kHz(unsigned long long int frequency);
+
+    struct AudioFormat {
+        uint32_t sample_rate;
+        uint16_t channels;
+        SampleFormat format;
+
+        static AudioFormat StereoFloat(uint32_t rate) {
+            return {rate, 2, SampleFormat::Float16};
+        }
+
+        static AudioFormat StereoFloat48kHz() {
+            return StereoFloat(48_kHz);
+        }
+    };
+
     enum class StreamDirection {
         PLAYBACK,
         RECORD,
@@ -13,16 +68,51 @@ namespace ReMixer {
         STEREO = true
     };
 
-    unsigned operator ""_Hz(unsigned long long int frequency);
-    unsigned operator ""_kHz(long double frequency);
+    enum class DeviceType {
+        Unknown, Output, Input, Duplex
+    };
+
+    struct AudioDeviceInfo {
+        std::string id;
+        std::string name;
+        DeviceType type;
+        bool is_default;
+        std::set<AudioFormat> supported_formats;
+    };
 
     class Stream;
     class SoundSubsystem;
     class PulseAudioSubsystem;
     class PulseStream;
 
+    class SoundHandle {
+    public:
+    protected:
+        SoundHandle(const Sound& sound);
+    private:
+    };
+
+    class IAudioDevice {
+        public:
+        virtual ~IAudioDevice() = default;
+
+        virtual bool Initialize(const AudioFormat& requestedFormat, uint32_t bufferSizeFrames) = 0;
+        virtual void Shutdown() = 0;
+        virtual bool Start() = 0;
+        virtual bool Stop() = 0;
+        virtual bool IsRunning() const = 0;
+
+
+    };
+
 
     void Init();
     void Cleanup();
+
+    /// Simple high-level API for sound playback.
+    /// @note Assumes you want the default device, and ideal parameters to properly play the sound.
+    /// @return SoundHandle instance for managing the state of playback. (i.e. pause, seek, resume, playback speed, events.)
+    SoundHandle* PlaySoundAsync(Sound& Sound);
+
 }
 

main.cpp

@@ -19,6 +19,9 @@
 #include <ReMixer/PulseSubsystem.h>
 #include <ReMixer/ReMixer.h>
 
+
+
+
 [[noreturn]] int main() {
 
     using namespace ReMixer;
@@ -56,7 +59,7 @@
         server.Play(second_stream, test_sound);
     }};
 
-    th.join();
+    th.detach();
     server.Play(test_stream, wav_sound);
 
     server.Play(test_stream, sine_sound);
@@ -69,10 +72,6 @@
     server.Play(test_stream, wav_sound);
 
 
-
-
-
-
     while (true) {
         std::this_thread::sleep_for(25ms);
     }

src/linux/ReMixer.cpp

@@ -8,3 +8,7 @@ unsigned ReMixer::operator ""_Hz(unsigned long long int frequency) {
 unsigned ReMixer::operator ""_kHz(long double frequency) {
     return frequency * 1000;
 }
+
+unsigned ReMixer::operator ""_kHz(unsigned long long int frequency) {
+    return operator ""_kHz((long double)frequency);
+}