60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
#pragma once
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#include "misc/delegates.h"
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#include "misc/singleton/singleton.h"
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#include <string>
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#include <unordered_map>
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#include "../../misc/mempool.h"
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#include "mixer_processor.h"
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#include "mixer_track.h"
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#include "taskflow/taskflow.hpp"
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class plugin_host;
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class channel_interface;
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class mixer_track;
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class mixer : public singleton_t<mixer> {
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typedef std::pair<int32_t, std::vector<mixer_track*>> layer_type;
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public:
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void init(singleton_initliazer& initliazer) override;
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void begin_release(singleton_release_guard &release_guard) override;
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void release(singleton_release_guard& release_guard) override;
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const char* get_name() override { return "mixer"; }
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dummy_track* create_dummy_track(const std::string& in_name);
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instrument_track* create_instrument_track(plugin_host* in_instrument);
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void remove_track(mixer_track* track);
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[[nodiscard]] const std::vector<mixer_track*>& get_tracks() const { return tracks_; }
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void process(uint32_t in_frames, circular_buffer_vector_type& out_buffer);
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void reset();
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[[nodiscard]] auto get_master() const -> dummy_track* { return master_; }
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[[nodiscard]] auto get_zero_track() const -> dummy_track* { return zero_track_; }
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void request_build_process_node();
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bool is_ready() const { return ready_; }
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void ready_dirty() { ready_ = false; }
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multicast_delegate<mixer_track*> on_add_track;
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multicast_delegate<mixer_track*> on_add_track_main_thread;
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multicast_delegate<mixer_track*> on_remove_track;
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multicast_delegate<mixer_track*> on_remove_track_main_thread;
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mixer_track* selected_track = nullptr;
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private:
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void push_track(mixer_track* track);
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void thread_register_track(mixer_track* track);
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void on_mixer_latency_changed();
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dummy_track* master_;
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dummy_track* zero_track_; // 用于没有任何音频输出的通道
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std::vector<mixer_track*> tracks_;
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mixer_processor processor_;
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std::atomic<bool> ready_ = false;
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};
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DEFINE_SINGLETON_INSTANCE(mixer)
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