*

2025-05-13 03:26:56 +03:00
parent 87a14db6f4
commit 154af64dde
563 changed files with 797817 additions and 0 deletions
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+/*
+ * sound.h
+ *
+ *  Created on: 03 ÿíâ. 2016 ã.
+ *      Author: Sergey
+ */
+
+#ifndef SOUND_H_
+#define SOUND_H_
+
+#include <cstdint>
+#include <cstddef>
+
+enum class SoundNodeType {
+	Wave,
+	Silence
+};
+
+struct SoundNode {
+	SoundNodeType type;
+	uint32_t freq;
+	uint32_t length; //in freq periods
+};
+
+struct Notes {
+	//First octave x100 mul
+	static constexpr uint32_t values[] = {
+			26163, 27718, 29366, 31113,
+			32963, 34923, 36999, 39200,
+			41530, 44000, 46616, 49388};
+	static constexpr uint32_t C() {return values[0]; }
+	static constexpr uint32_t C_d() {return values[1]; }
+	static constexpr uint32_t D() {return values[2]; }
+	static constexpr uint32_t D_d() {return values[3]; }
+	static constexpr uint32_t E() {return values[4]; }
+	static constexpr uint32_t F() {return values[5]; }
+	static constexpr uint32_t F_d() {return values[6]; }
+	static constexpr uint32_t G() {return values[7]; }
+	static constexpr uint32_t G_d() {return values[8]; }
+	static constexpr uint32_t A() {return values[9]; }
+	static constexpr uint32_t B_b() {return values[10]; }
+	static constexpr uint32_t B() {return values[11]; }
+};
+
+
+
+//int16_t get_sine(uint8_t phase8);
+uint8_t get_sine(uint8_t phase8);
+
+template<typename Base>
+class SoundPlayer : public Base {
+public:
+	uint8_t out;
+	bool is_playing;
+	SoundPlayer():out(0), is_playing(false), _loop(false), _nodes(nullptr), _nodes_count(0), _active_node(0), _sample_counter(0) {
+
+	}
+
+	void stop(){
+		if(is_playing){
+			Base::on_sound_stop();
+		}
+	}
+	template<size_t Count>
+	void play_sound(SoundNode(&nodes)[Count], bool loop = false){
+		play_sound(nodes, Count, loop);
+	}
+
+	void play_sound(SoundNode* nodes, size_t nodes_count, bool loop = false){
+		stop();
+		_loop = loop;
+		out = 0;
+		is_playing = true;
+		_nodes = nodes;
+		_nodes_count = nodes_count;
+		_active_node = 0;
+		_sample_counter = 0;
+		Base::on_sound_play();
+	}
+	void update(){
+		if(is_playing){
+			auto tmp = ((_sample_counter * 0x100 * (uint64_t)_nodes[_active_node].freq) / Base::get_sampling_rate()) / 100;
+			if(_nodes[_active_node].type == SoundNodeType::Silence){
+				out = 0;
+			} else {
+				uint8_t sample_interp = (uint8_t)(tmp % 0x100);
+				//out = sample_interp  < 128 ? 0 : 0xff;
+				out = (int32_t)get_sine(sample_interp);
+			}
+
+			_sample_counter++;
+			if (_sample_counter >= _nodes[_active_node].length) {
+				_active_node++;
+				if (_active_node >= _nodes_count) {
+					if(_loop){
+						_active_node = 0;
+					}else{
+						is_playing = false;
+						Base::on_sound_stop();
+					}
+				}
+				_sample_counter = 0;
+			}
+		}
+	}
+private:
+	bool _loop;
+	SoundNode* _nodes;
+	size_t _nodes_count;
+	size_t _active_node;
+	uint32_t _sample_counter;
+};
+
+
+
+#endif /* SOUND_H_ */