Lifecycle

include/sonus.hpp

@@ -1,4 +1,5 @@
 #pragma once
 
+#include <sonus/config.hpp>
 #include <sonus/detail/errors.hpp>
 #include <sonus/engine.hpp>

include/sonus/config.hpp

@@ -0,0 +1,45 @@
+#pragma once
+
+#include <chrono>
+#include <cstdint>
+#include <string>
+
+#include <modulus/types.hpp>
+
+namespace sonus {
+
+enum class performance_profile : std::uint8_t {
+  LOW_LATENCY,
+  CONSERVATIVE,
+};
+
+struct audio_config {
+  std::uint32_t sample_rate{48000};
+  std::uint32_t channels{2};
+  std::float32_t master_volume{0.70F};
+  std::bool_t no_device{false};
+  std::string playback_device_name{};
+  std::uint32_t period_size_frames{0};
+  std::uint32_t period_size_milliseconds{0};
+  std::uint32_t period_count{0};
+  sonus::performance_profile performance{sonus::performance_profile::LOW_LATENCY};
+};
+
+struct metronome_config {
+  std::uint32_t bpm{120};
+  std::uint32_t beats_per_bar{4};
+  std::float32_t volume{0.45F};
+  std::float32_t beat_frequency_hz{1320.0F};
+  std::float32_t downbeat_frequency_hz{1760.0F};
+  std::chrono::milliseconds click_duration{35};
+};
+
+struct playback_options {
+  std::bool_t loop{false};
+  std::float32_t volume{1.0F};
+  std::bool_t stream{true};
+};
+
+using sound_handle = std::uint64_t;
+
+}

include/sonus/engine.hpp

@@ -1,40 +1,15 @@
 #pragma once
 
-#include <chrono>
 #include <cstdint>
 #include <expected>
 #include <filesystem>
 #include <memory>
 
 #include <modulus.hpp>
-#include <modulus/types.hpp>
+#include <sonus/config.hpp>
 
 namespace sonus {
 
-struct audio_config {
-  std::uint32_t sample_rate{48000};
-  std::uint32_t channels{2};
-  std::float32_t master_volume{0.70F};
-  std::bool_t no_device{false};
-};
-
-struct metronome_config {
-  std::uint32_t bpm{120};
-  std::uint32_t beats_per_bar{4};
-  std::float32_t volume{0.45F};
-  std::float32_t beat_frequency_hz{1320.0F};
-  std::float32_t downbeat_frequency_hz{1760.0F};
-  std::chrono::milliseconds click_duration{35};
-};
-
-struct playback_options {
-  std::bool_t loop{false};
-  std::float32_t volume{1.0F};
-  std::bool_t stream{true};
-};
-
-using sound_handle = std::uint64_t;
-
 auto validate(sonus::audio_config const& config) -> std::expected<void, modulus::error>;
 auto validate(sonus::metronome_config const& config) -> std::expected<void, modulus::error>;
 auto validate(sonus::playback_options const& options) -> std::expected<void, modulus::error>;
@@ -59,6 +34,9 @@ public:
   auto play_file(std::filesystem::path const& path, sonus::playback_options options = {}) -> std::expected<sonus::sound_handle, modulus::error>;
   auto stop(sonus::sound_handle handle) -> std::expected<void, modulus::error>;
   auto stop_all() -> void;
+  auto is_playing(sonus::sound_handle handle) -> std::expected<std::bool_t, modulus::error>;
+  auto collect_finished() -> std::uint64_t;
+  auto active_sound_count() -> std::uint64_t;
 
   auto start_metronome(sonus::metronome_config config = {}) -> std::expected<void, modulus::error>;
   auto update_metronome(sonus::metronome_config config) -> std::expected<void, modulus::error>;