121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
#ifndef ESP32_MUSIC_H
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#define ESP32_MUSIC_H
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#include <string>
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#include <thread>
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#include <atomic>
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#include <queue>
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#include <mutex>
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#include <condition_variable>
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#include <vector>
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#include "music.h"
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// MP3解码器支持
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extern "C" {
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#include "mp3dec.h"
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}
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// 音频数据块结构
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struct AudioChunk {
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uint8_t* data;
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size_t size;
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AudioChunk() : data(nullptr), size(0) {}
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AudioChunk(uint8_t* d, size_t s) : data(d), size(s) {}
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};
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class Esp32Music : public Music {
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public:
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// 显示模式控制 - 移动到public区域
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enum DisplayMode {
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DISPLAY_MODE_SPECTRUM = 0, // 默认显示频谱
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DISPLAY_MODE_LYRICS = 1 // 显示歌词
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};
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private:
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std::string last_downloaded_data_;
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std::string current_music_url_;
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std::string current_song_name_;
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bool song_name_displayed_;
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// 歌词相关
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std::string current_lyric_url_;
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std::vector<std::pair<int, std::string>> lyrics_; // 时间戳和歌词文本
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std::mutex lyrics_mutex_; // 保护lyrics_数组的互斥锁
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std::atomic<int> current_lyric_index_;
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std::thread lyric_thread_;
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std::atomic<bool> is_lyric_running_;
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std::atomic<DisplayMode> display_mode_;
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std::atomic<bool> is_playing_;
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std::atomic<bool> is_downloading_;
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std::atomic<bool> is_paused_;
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std::thread play_thread_;
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std::thread download_thread_;
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int64_t current_play_time_ms_; // 当前播放时间(毫秒)
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int64_t last_frame_time_ms_; // 上一帧的时间戳
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int total_frames_decoded_; // 已解码的帧数
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// 音频缓冲区
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std::queue<AudioChunk> audio_buffer_;
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std::mutex buffer_mutex_;
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std::condition_variable buffer_cv_;
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size_t buffer_size_;
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static constexpr size_t MAX_BUFFER_SIZE = 256 * 1024; // 256KB缓冲区（降低以减少brownout风险）
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static constexpr size_t MIN_BUFFER_SIZE = 32 * 1024; // 32KB最小播放缓冲（降低以减少brownout风险）
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// MP3解码器相关
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HMP3Decoder mp3_decoder_;
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MP3FrameInfo mp3_frame_info_;
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bool mp3_decoder_initialized_;
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// 私有方法
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void DownloadAudioStream(const std::string& music_url);
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void PlayAudioStream();
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void ClearAudioBuffer();
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bool InitializeMp3Decoder();
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void CleanupMp3Decoder();
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void ResetSampleRate(); // 重置采样率到原始值
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// 歌词相关私有方法
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bool DownloadLyrics(const std::string& lyric_url);
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bool ParseLyrics(const std::string& lyric_content);
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void LyricDisplayThread();
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void UpdateLyricDisplay(int64_t current_time_ms);
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// ID3标签处理
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size_t SkipId3Tag(uint8_t* data, size_t size);
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int16_t* final_pcm_data_fft = nullptr;
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public:
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Esp32Music();
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~Esp32Music();
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virtual bool Download(const std::string& song_name, const std::string& artist_name) override;
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virtual std::string GetDownloadResult() override;
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// 新增方法
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virtual bool StartStreaming(const std::string& music_url) override;
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virtual bool StopStreaming() override; // 停止流式播放
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virtual size_t GetBufferSize() const override { return buffer_size_; }
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virtual bool IsDownloading() const override { return is_downloading_; }
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virtual bool IsPlaying() const override { return is_playing_; }
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virtual bool IsPaused() const override { return is_paused_; }
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virtual int16_t* GetAudioData() override { return final_pcm_data_fft; }
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// 显示模式控制方法
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void SetDisplayMode(DisplayMode mode);
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DisplayMode GetDisplayMode() const { return display_mode_.load(); }
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// MCP工具需要的方法
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virtual bool PlaySong() override;
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virtual bool SetVolume(int volume) override;
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virtual bool StopSong() override;
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virtual bool PauseSong() override;
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virtual bool ResumeSong() override;
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};
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#endif // ESP32_MUSIC_H
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