add some code

main/boards/common/esp32_music.h

@@ -0,0 +1,96 @@
+#ifndef ESP32_MUSIC_H
+#define ESP32_MUSIC_H
+
+#include <string>
+#include <thread>
+#include <atomic>
+#include <queue>
+#include <mutex>
+#include <condition_variable>
+#include <vector>
+
+#include "music.h"
+
+// MP3解码器支持
+extern "C" {
+#include "mp3dec.h"
+}
+
+// 音频数据块结构
+struct AudioChunk {
+    uint8_t* data;
+    size_t size;
+    
+    AudioChunk() : data(nullptr), size(0) {}
+    AudioChunk(uint8_t* d, size_t s) : data(d), size(s) {}
+};
+
+class Esp32Music : public Music {
+private:
+    std::string last_downloaded_data_;
+    std::string current_music_url_;
+    std::string current_song_name_;
+    bool song_name_displayed_;
+    
+    // 歌词相关
+    std::string current_lyric_url_;
+    std::vector<std::pair<int, std::string>> lyrics_;  // 时间戳和歌词文本
+    std::mutex lyrics_mutex_;  // 保护lyrics_数组的互斥锁
+    std::atomic<int> current_lyric_index_;
+    std::thread lyric_thread_;
+    std::atomic<bool> is_lyric_running_;
+    std::atomic<bool> is_playing_;
+    std::atomic<bool> is_downloading_;
+    std::thread play_thread_;
+    std::thread download_thread_;
+    int64_t current_play_time_ms_;  // 当前播放时间(毫秒)
+    int64_t last_frame_time_ms_;    // 上一帧的时间戳
+    int total_frames_decoded_;      // 已解码的帧数
+
+    // 音频缓冲区
+    std::queue<AudioChunk> audio_buffer_;
+    std::mutex buffer_mutex_;
+    std::condition_variable buffer_cv_;
+    size_t buffer_size_;
+    static constexpr size_t MAX_BUFFER_SIZE = 256 * 1024;  // 256KB缓冲区（降低以减少brownout风险）
+    static constexpr size_t MIN_BUFFER_SIZE = 32 * 1024;   // 32KB最小播放缓冲（降低以减少brownout风险）
+    
+    // MP3解码器相关
+    HMP3Decoder mp3_decoder_;
+    MP3FrameInfo mp3_frame_info_;
+    bool mp3_decoder_initialized_;
+    
+    // 私有方法
+    void DownloadAudioStream(const std::string& music_url);
+    void PlayAudioStream();
+    void ClearAudioBuffer();
+    bool InitializeMp3Decoder();
+    void CleanupMp3Decoder();
+    void ResetSampleRate();  // 重置采样率到原始值
+    
+    // 歌词相关私有方法
+    bool DownloadLyrics(const std::string& lyric_url);
+    bool ParseLyrics(const std::string& lyric_content);
+    void LyricDisplayThread();
+    void UpdateLyricDisplay(int64_t current_time_ms);
+    
+    // ID3标签处理
+    size_t SkipId3Tag(uint8_t* data, size_t size);
+
+public:
+    Esp32Music();
+    ~Esp32Music();
+
+    virtual bool Download(const std::string& song_name) override;
+    virtual bool Play() override;
+    virtual bool Stop() override;
+    virtual std::string GetDownloadResult() override;
+    
+    // 新增方法
+    virtual bool StartStreaming(const std::string& music_url) override;
+    virtual bool StopStreaming() override;  // 停止流式播放
+    virtual size_t GetBufferSize() const override { return buffer_size_; }
+    virtual bool IsDownloading() const override { return is_downloading_; }
+};
+
+#endif // ESP32_MUSIC_H