音乐播放功能添加p3文件格式支持，添加文件目录(含子目录)扫描和文件列表刷新功能 (#157)

Co-authored-by: hrz <1710360675@qq.com>

config.yaml

@@ -327,4 +327,9 @@ music:
     - "我想听歌"
     - "我要听歌"
     - "放点音乐"
-  music_dir: "./music"  # 音乐文件存放路径
+  music_dir: "./music"  # 音乐文件存放路径，将从该目录及子目录下搜索音乐文件
+  music_ext: # 音乐文件类型，p3格式效率最高
+    - ".mp3"
+    - ".wav"
+    - ".p3"
+  refresh_time: 300 # 刷新音乐列表的时间间隔，单位为秒

core/handle/musicHandler.py

@@ -4,7 +4,10 @@ import random
 import difflib
 import re
 import traceback
+from pathlib import Path
+import time
 from core.handle.sendAudioHandle import send_stt_message
+from core.utils import p3
 
 TAG = __name__
 logger = setup_logging()
@@ -33,6 +36,24 @@ def _find_best_match(potential_song, music_files):
             best_match = music_file
     return best_match
 
+class MusicManager:
+    def __init__(self, music_dir, music_ext):
+        self.music_dir = Path(music_dir)
+        self.music_ext = music_ext
+
+    def get_music_files(self):
+        music_files = []
+        for file in self.music_dir.rglob("*"):
+            # 判断是否是文件
+            if file.is_file():
+                # 获取文件扩展名
+                ext = file.suffix.lower()
+                # 判断扩展名是否在列表中
+                if ext in self.music_ext:
+                    # music_files.append(str(file.resolve()))  # 添加绝对路径
+                    # 添加相对路径
+                    music_files.append(str(file.relative_to(self.music_dir)))
+        return music_files
 
 class MusicHandler:
     def __init__(self, config):
@@ -45,10 +66,19 @@ class MusicHandler:
                 self.music_config.get("music_dir", "./music")  # 默认路径修改
             )
             self.music_related_keywords = self.music_config.get("music_commands", [])
+            self.music_ext = self.music_config.get("music_ext", (".mp3", ".wav", ".p3"))
+            self.refresh_time = self.music_config.get("refresh_time", 60)
         else:
             self.music_dir = os.path.abspath("./music")
             self.music_related_keywords = ["来一首歌", "唱一首歌", "播放音乐", "来点音乐", "背景音乐", "放首歌",
                                            "播放歌曲", "来点背景音乐", "我想听歌", "我要听歌", "放点音乐"]
+            self.music_ext = (".mp3", ".wav", ".p3")
+            self.refresh_time = 60
+
+        # 获取音乐文件列表
+        self.music_files = MusicManager(self.music_dir, self.music_ext).get_music_files()
+        self.scan_time = time.time()
+        logger.bind(tag=TAG).debug(f"找到的音乐文件: {self.music_files}")
 
     async def handle_music_command(self, conn, text):
         """处理音乐播放指令"""
@@ -57,12 +87,15 @@ class MusicHandler:
 
         # 尝试匹配具体歌名
         if os.path.exists(self.music_dir):
-            music_files = [f for f in os.listdir(self.music_dir) if f.endswith('.mp3')]
-            logger.bind(tag=TAG).debug(f"找到的音乐文件: {music_files}")
+            if time.time() - self.scan_time > self.refresh_time:
+                # 刷新音乐文件列表
+                self.music_files = MusicManager(self.music_dir, self.music_ext).get_music_files()
+                self.scan_time = time.time()
+                logger.bind(tag=TAG).debug(f"刷新的音乐文件: {self.music_files}")
 
             potential_song = _extract_song_name(clean_text)
             if potential_song:
-                best_match = _find_best_match(potential_song, music_files)
+                best_match = _find_best_match(potential_song, self.music_files)
                 if best_match:
                     logger.bind(tag=TAG).info(f"找到最匹配的歌曲: {best_match}")
                     await self.play_local_music(conn, specific_file=best_match)
@@ -90,19 +123,29 @@ class MusicHandler:
                     return
                 selected_music = specific_file
             else:
-                music_files = [f for f in os.listdir(self.music_dir) if f.endswith('.mp3')]
-                if not music_files:
+                if time.time() - self.scan_time > self.refresh_time:
+                    # 刷新音乐文件列表
+                    self.music_files = MusicManager(self.music_dir, self.music_ext).get_music_files()
+                    self.scan_time = time.time()
+                    logger.bind(tag=TAG).debug(f"刷新的音乐文件列表: {self.music_files}")
+
+                if not self.music_files:
                     logger.bind(tag=TAG).error("未找到MP3音乐文件")
                     return
-                selected_music = random.choice(music_files)
+                selected_music = random.choice(self.music_files)
                 music_path = os.path.join(self.music_dir, selected_music)
+                if not os.path.exists(music_path):
+                    logger.bind(tag=TAG).error(f"选定的音乐文件不存在: {music_path}")
+                    return
             text = f"正在播放{selected_music}"
             await send_stt_message(conn, text)
             conn.tts_first_text = selected_music
             conn.tts_last_text = selected_music
             conn.llm_finish_task = True
-            opus_packets, duration = conn.tts.wav_to_opus_data(music_path)
-
+            if music_path.endswith(".p3"):
+                opus_packets, duration = p3.decode_opus_from_file(music_path)
+            else:
+                opus_packets, duration = conn.tts.wav_to_opus_data(music_path)
             conn.audio_play_queue.put((opus_packets, selected_music))
 
         except Exception as e:

core/utils/p3.py

@@ -0,0 +1,33 @@
+import struct
+
+def decode_opus_from_file(input_file):
+    """
+    从p3文件中解码 Opus 数据，并返回一个 Opus 数据包的列表以及总时长。
+    """
+    opus_datas = []
+    total_frames = 0
+    sample_rate = 16000  # 文件采样率
+    frame_duration_ms = 60  # 帧时长
+    frame_size = int(sample_rate * frame_duration_ms / 1000)
+
+    with open(input_file, 'rb') as f:
+        while True:
+            # 读取头部（4字节）：[1字节类型，1字节保留，2字节长度]
+            header = f.read(4)
+            if not header:
+                break
+
+            # 解包头部信息
+            _, _, data_len = struct.unpack('>BBH', header)
+
+            # 根据头部指定的长度读取 Opus 数据
+            opus_data = f.read(data_len)
+            if len(opus_data) != data_len:
+                raise ValueError(f"Data length({len(opus_data)}) mismatch({data_len}) in the file.")
+
+            opus_datas.append(opus_data)
+            total_frames += 1
+
+    # 计算总时长
+    total_duration = (total_frames * frame_duration_ms) / 1000.0
+    return opus_datas, total_duration