NFLmusic库文件

nflmusic/player.py

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+import tkinter
+import pygame
+import time
+import re
+from tkinter import ttk
+
+
+class MusicPlayer:
+    def __init__(self, cls_root):
+        # 初始化变量
+        self.root = cls_root
+        self.progress_bar = None
+        self.play_button = None
+        self.pause_button = None
+        self.music_file = None
+        self.music_length = 0
+        self.time = None
+        self.time_format = "%n/%a"
+        self.pause = True
+        self.progress = []
+        self.length = []
+        self.finish = True
+        self.d_value = 0.0
+        # 初始化 Pygame
+        pygame.init()
+        # 初始化上次更新的时间
+        self.last_update_time = time.time()
+        # 开始更新进度条
+        self.current_position = 0.0  # 用于跟踪当前音乐播放的位置
+        self.update_progress()
+
+    def load_music(self, music_file):
+        self.music_file = music_file
+        self.music_length = pygame.mixer.Sound(self.music_file).get_length()  # 获取音乐长度
+        pygame.mixer.music.load(self.music_file)
+
+    def bind(self, cls_progress_bar=None, cls_pause_button=None, cls_play_button=None, cls_time=None):
+        # 绑定控件
+        self.progress_bar = cls_progress_bar
+        self.pause_button = cls_pause_button
+        self.play_button = cls_play_button
+        self.time = cls_time
+
+    def play_music(self, music_file):
+        self.finish = False
+        self.load_music(music_file)
+        self.d_value = 0.0
+        pygame.mixer.music.play()
+        self.pause = False
+        self.current_position = 0.0
+        if self.progress_bar is not None:
+            self.progress_bar["from_"] = 0
+            self.progress_bar["to"] = float(self.music_length)
+            self.progress_bar.set(0)
+
+    def stop_music(self):
+        pygame.mixer.music.stop()
+        self.music_file = None
+        self.finish = True
+        self.pause = True
+        self.current_position = 0.0
+        self.music_length = 0
+        if self.time is not None:
+            self.time["text"] = ""
+        if self.progress_bar is not None:
+            self.progress_bar["from_"] = 0
+            self.progress_bar["to"] = 1
+            self.progress_bar.set(0)
+
+    def pause_music(self):
+        try:
+            if not self.finish:
+                if self.pause:
+                    pygame.mixer.music.unpause()
+                    self.pause = False
+                else:
+                    pygame.mixer.music.pause()
+                    self.pause = True
+        except:
+            self.play_music()
+
+    def set_progress(self, value):
+        if not self.finish:
+            # 检查是否距离上次更新超过0.55秒
+            if abs(float(value) - self.last_update_time) > 0.55:
+                # 将进度条的值直接设置为音乐的播放位置
+                self.current_position = float(value)
+                self.d_value = float(value) - pygame.mixer.music.get_pos() / 1000
+                try:
+                    pygame.mixer.music.set_pos(float(value))
+                except:
+                    self.stop_music()
+
+    def update_progress(self):
+        self.current_position = pygame.mixer.music.get_pos() / 1000 + self.d_value
+        if not self.pause:
+            if self.music_file is not None:
+                if self.progress_bar is not None:
+                    # 更新进度条
+                    self.progress_bar.set(self.current_position)
+                    self.last_update_time = self.progress_bar.get()
+                # 更新播放时长
+                if self.time is not None:
+                    self.time["text"] = self.time_format.replace("%n", self.get_progress()).replace("%a",
+                                                                                                    self.get_length())
+        # 每隔一段时间再次更新进度条
+        self.root.after(500, self.update_progress)
+
+    def get_busy(self):
+        return not self.pause
+
+    def get_progress(self, state="%m:%s"):
+        self.progress = self.get_format(int(self.current_position))
+        if len(self.progress[0]) == 1:
+            self.progress[0] = "0" + self.progress[0]
+        if len(self.progress[1]) == 1:
+            self.progress[1] = "0" + self.progress[1]
+        if len(self.progress[2]) == 1:
+            self.progress[2] = "0" + self.progress[2]
+        return_value = state.replace("%s", self.progress[0])
+        return_value = return_value.replace("%m", self.progress[1])
+        return_value = return_value.replace("%h", self.progress[2])
+        return return_value
+
+    @staticmethod
+    def get_format(value):
+        second = value % 60
+        minute = value // 60 % 60
+        hour = value // 3600
+        return [str(second), str(minute), str(hour)]
+
+    @staticmethod
+    def decode_format(value):
+        match = re.match(r'(\d+):(\d)', value)
+        if match:
+            minute = int(match.group(1))
+            second = int(match.group(2))
+            timestamp = minute * 60 + second
+            return timestamp
+        else:
+            return None
+
+    def get_length(self, state="%m:%s"):
+        self.length = self.get_format(int(self.music_length))
+        if len(self.length[0]) == 1:
+            self.length[0] = "0" + self.length[0]
+        if len(self.length[1]) == 1:
+            self.length[1] = "0" + self.length[1]
+        if len(self.length[2]) == 1:
+            self.length[2] = "0" + self.length[2]
+        return_value = state.replace("%s", self.length[0])
+        return_value = return_value.replace("%m", self.length[1])
+        return_value = return_value.replace("%h", self.length[2])
+        return return_value
+
+    def set_format_of_time(self, cls_format="%n/%a"):
+        self.time_format = cls_format
+
+    def get_finished(self):
+        return self.finish
+
+
+if __name__ == "__main__":
+    root = tkinter.Tk()
+    player = MusicPlayer(root)
+    root.title("音乐播放器")
+    progress_bar = ttk.Scale(root, orient="horizontal", from_=0, to=player.music_length, length=2000)
+    progress_bar.pack()
+    pause_button = ttk.Button(root, text="暂停", command=player.pause_music)
+    play_button = ttk.Button(root, text="播放", command=lambda: player.play_music("your_music_file.mp3"))
+    stop_button = ttk.Button(root, text="停止", command=player.stop_music)
+    pause_button.pack()
+    play_button.pack()
+    stop_button.pack()
+    progress_time = ttk.Label(root, text="")
+    progress_time.pack()
+    progress_bar["command"] = lambda event: player.set_progress(progress_bar.get())
+    player.bind(progress_bar, pause_button, play_button, progress_time)
+    player.set_format_of_time()
+
+    root.mainloop()