224 lines
9.2 KiB
Python
224 lines
9.2 KiB
Python
|
import sys
|
|||
|
|
import os
|
|||
|
|
import pygame
|
|||
|
|
import time
|
|||
|
|
import re
|
|||
|
|
from PyQt6.QtWidgets import (
|
|||
|
|
QApplication, QMainWindow, QWidget, QVBoxLayout, QLabel,
|
|||
|
|
QPushButton, QSlider, QHBoxLayout
|
|||
|
|
)
|
|||
|
|
from PyQt6.QtCore import QTimer, Qt, QSize, QPropertyAnimation, QPoint
|
|||
|
|
from PyQt6.QtGui import QPixmap, QIcon, QPalette, QColor
|
|||
|
|
|
|||
|
|
class MusicPlayer(QMainWindow):
|
|||
|
|
def __init__(self):
|
|||
|
|
super().__init__()
|
|||
|
|
self.setWindowTitle("Python 音乐播放器")
|
|||
|
|
self.setGeometry(300, 200, 400, 500)
|
|||
|
|
self.initUI()
|
|||
|
|
pygame.mixer.init()
|
|||
|
|
|
|||
|
|
self.lyrics = [] # 解析后的歌词列表 [(时间戳, 歌词)]
|
|||
|
|
self.current_lyric_index = 0 # 当前歌词索引
|
|||
|
|
self.is_playing = False # 播放状态
|
|||
|
|
self.music_length = 0 # 音乐总时长（秒）
|
|||
|
|
self.start_time = 0 # 播放开始时间（用于计算已播放时间）
|
|||
|
|
self.pause_time = 0 # 暂停时记录的播放进度（秒）
|
|||
|
|
self.animation = None # 存储滚动动画对象
|
|||
|
|
self.last_lyric = None # 上一次显示的歌词，用于避免重复启动动画
|
|||
|
|
self.load_lyrics()
|
|||
|
|
|
|||
|
|
def initUI(self):
|
|||
|
|
self.central_widget = QWidget()
|
|||
|
|
self.setCentralWidget(self.central_widget)
|
|||
|
|
self.layout = QVBoxLayout()
|
|||
|
|
self.layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
|
|||
|
|
self.central_widget.setLayout(self.layout)
|
|||
|
|
|
|||
|
|
# 设置背景颜色
|
|||
|
|
self.set_background_color("#2E2E2E")
|
|||
|
|
|
|||
|
|
# 封面
|
|||
|
|
self.cover_label = QLabel()
|
|||
|
|
self.layout.addWidget(self.cover_label, alignment=Qt.AlignmentFlag.AlignCenter)
|
|||
|
|
self.load_cover()
|
|||
|
|
|
|||
|
|
# 歌词显示区域（固定大小容器，便于动画处理，不随内容改变大小）
|
|||
|
|
self.lyrics_container = QWidget()
|
|||
|
|
self.lyrics_container.setFixedSize(300, 50)
|
|||
|
|
self.lyrics_container.setStyleSheet("background-color: transparent;")
|
|||
|
|
# 歌词标签放置在容器中
|
|||
|
|
self.lyrics_browser = QLabel("", self.lyrics_container)
|
|||
|
|
self.lyrics_browser.setAlignment(Qt.AlignmentFlag.AlignCenter)
|
|||
|
|
self.lyrics_browser.setStyleSheet("font-size: 24px; color: white; font-weight: bold;")
|
|||
|
|
self.lyrics_browser.setFixedHeight(50)
|
|||
|
|
self.lyrics_browser.move(0, 0)
|
|||
|
|
self.layout.addWidget(self.lyrics_container, alignment=Qt.AlignmentFlag.AlignCenter)
|
|||
|
|
|
|||
|
|
# 进度条
|
|||
|
|
self.slider = QSlider(Qt.Orientation.Horizontal)
|
|||
|
|
self.slider.setRange(0, 100)
|
|||
|
|
self.slider.sliderPressed.connect(self.pause_music)
|
|||
|
|
self.slider.sliderReleased.connect(self.seek_music)
|
|||
|
|
self.layout.addWidget(self.slider)
|
|||
|
|
|
|||
|
|
# 播放控制区域
|
|||
|
|
self.control_layout = QHBoxLayout()
|
|||
|
|
self.control_layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
|
|||
|
|
self.play_button = QPushButton()
|
|||
|
|
self.play_button.setIcon(QIcon("D:/Downloads/play.png"))
|
|||
|
|
self.play_button.setIconSize(QSize(52, 52)) # 明确设置图标尺寸
|
|||
|
|
self.play_button.setStyleSheet("border: none;")
|
|||
|
|
self.play_button.clicked.connect(self.toggle_play_pause)
|
|||
|
|
self.control_layout.addWidget(self.play_button)
|
|||
|
|
self.layout.addLayout(self.control_layout)
|
|||
|
|
|
|||
|
|
# 定时器，每500毫秒更新一次进度和歌词
|
|||
|
|
self.timer = QTimer(self)
|
|||
|
|
self.timer.timeout.connect(self.update_lyrics_and_progress)
|
|||
|
|
|
|||
|
|
def set_background_color(self, color):
|
|||
|
|
palette = self.palette()
|
|||
|
|
palette.setColor(QPalette.ColorRole.Window, QColor(color))
|
|||
|
|
self.setPalette(palette)
|
|||
|
|
self.central_widget.setStyleSheet(f"background-color: {color};")
|
|||
|
|
|
|||
|
|
def load_cover(self):
|
|||
|
|
cover_path = "D:/Downloads/cover.jpg"
|
|||
|
|
if os.path.exists(cover_path):
|
|||
|
|
pixmap = QPixmap(cover_path)
|
|||
|
|
self.cover_label.setPixmap(pixmap.scaled(256, 256, Qt.AspectRatioMode.KeepAspectRatio))
|
|||
|
|
else:
|
|||
|
|
self.cover_label.setText("封面未找到")
|
|||
|
|
|
|||
|
|
def load_lyrics(self):
|
|||
|
|
lyrics_path = "D:/Downloads/林俊杰-光阴副本.lrc"
|
|||
|
|
if os.path.exists(lyrics_path):
|
|||
|
|
try:
|
|||
|
|
with open(lyrics_path, 'r', encoding='utf-8') as file:
|
|||
|
|
lines = file.readlines()
|
|||
|
|
self.lyrics = []
|
|||
|
|
for line in lines:
|
|||
|
|
match = re.match(r"\[(\d+):(\d+\.\d+)](.*)", line)
|
|||
|
|
if match:
|
|||
|
|
minutes = int(match.group(1))
|
|||
|
|
seconds = float(match.group(2))
|
|||
|
|
timestamp = minutes * 60 + seconds
|
|||
|
|
lyrics_text = match.group(3).strip()
|
|||
|
|
self.lyrics.append((timestamp, lyrics_text))
|
|||
|
|
self.lyrics.sort()
|
|||
|
|
except Exception as e:
|
|||
|
|
self.lyrics_browser.setText("加载歌词出错: " + str(e))
|
|||
|
|
else:
|
|||
|
|
self.lyrics_browser.setText("歌词文件未找到")
|
|||
|
|
|
|||
|
|
def toggle_play_pause(self):
|
|||
|
|
if not self.is_playing:
|
|||
|
|
if self.pause_time > 0:
|
|||
|
|
self.resume_music()
|
|||
|
|
else:
|
|||
|
|
self.play_music()
|
|||
|
|
else:
|
|||
|
|
self.pause_music()
|
|||
|
|
|
|||
|
|
def play_music(self):
|
|||
|
|
music_path = "D:/Downloads/林俊杰-光阴副本.wav"
|
|||
|
|
if os.path.exists(music_path):
|
|||
|
|
try:
|
|||
|
|
pygame.mixer.music.load(music_path)
|
|||
|
|
pygame.mixer.music.play(start=0)
|
|||
|
|
self.music_length = pygame.mixer.Sound(music_path).get_length()
|
|||
|
|
self.start_time = time.time()
|
|||
|
|
self.pause_time = 0
|
|||
|
|
self.timer.start(500)
|
|||
|
|
self.play_button.setIcon(QIcon("D:/Downloads/pause.png"))
|
|||
|
|
self.is_playing = True
|
|||
|
|
except Exception as e:
|
|||
|
|
print("播放音乐时出错:", e)
|
|||
|
|
else:
|
|||
|
|
print("音乐文件未找到:", music_path)
|
|||
|
|
|
|||
|
|
def resume_music(self):
|
|||
|
|
try:
|
|||
|
|
pygame.mixer.music.unpause() # 直接恢复播放
|
|||
|
|
self.start_time = time.time() - self.pause_time
|
|||
|
|
self.timer.start(500)
|
|||
|
|
self.play_button.setIcon(QIcon("D:/Downloads/pause.png"))
|
|||
|
|
self.is_playing = True
|
|||
|
|
except Exception as e:
|
|||
|
|
print("继续播放时出错:", e)
|
|||
|
|
|
|||
|
|
def pause_music(self):
|
|||
|
|
if self.is_playing:
|
|||
|
|
self.pause_time = time.time() - self.start_time
|
|||
|
|
pygame.mixer.music.pause()
|
|||
|
|
self.timer.stop()
|
|||
|
|
self.play_button.setIcon(QIcon("D:/Downloads/play.png"))
|
|||
|
|
self.is_playing = False
|
|||
|
|
|
|||
|
|
def seek_music(self):
|
|||
|
|
if self.music_length > 0:
|
|||
|
|
new_time = self.slider.value() / 100 * self.music_length
|
|||
|
|
pygame.mixer.music.play(start=new_time)
|
|||
|
|
self.start_time = time.time() - new_time
|
|||
|
|
self.pause_time = new_time
|
|||
|
|
self.current_lyric_index = self.find_lyric_index(new_time)
|
|||
|
|
self.update_lyrics_display()
|
|||
|
|
self.timer.start(500)
|
|||
|
|
self.play_button.setIcon(QIcon("D:/Downloads/pause.png"))
|
|||
|
|
self.is_playing = True
|
|||
|
|
|
|||
|
|
def find_lyric_index(self, current_time):
|
|||
|
|
for i, (timestamp, _) in enumerate(self.lyrics):
|
|||
|
|
if current_time < timestamp:
|
|||
|
|
return max(i - 1, 0)
|
|||
|
|
return len(self.lyrics) - 1
|
|||
|
|
|
|||
|
|
def update_lyrics_display(self):
|
|||
|
|
if self.current_lyric_index < len(self.lyrics):
|
|||
|
|
_, lyric = self.lyrics[self.current_lyric_index]
|
|||
|
|
# 仅当歌词发生变化时再更新（避免重复重启动画）
|
|||
|
|
if self.last_lyric != lyric:
|
|||
|
|
self.last_lyric = lyric
|
|||
|
|
# 如果歌词宽度超过容器，则滚动显示
|
|||
|
|
if self.lyrics_browser.fontMetrics().horizontalAdvance(lyric) > self.lyrics_container.width():
|
|||
|
|
self.scroll_lyrics(lyric)
|
|||
|
|
else:
|
|||
|
|
if self.animation is not None:
|
|||
|
|
self.animation.stop()
|
|||
|
|
self.animation = None
|
|||
|
|
self.lyrics_browser.setText(lyric)
|
|||
|
|
self.lyrics_browser.adjustSize()
|
|||
|
|
self.lyrics_browser.move((self.lyrics_container.width() - self.lyrics_browser.width()) // 2, 0)
|
|||
|
|
|
|||
|
|
def scroll_lyrics(self, lyric):
|
|||
|
|
self.lyrics_browser.setText(lyric)
|
|||
|
|
self.lyrics_browser.adjustSize()
|
|||
|
|
label_width = self.lyrics_browser.width()
|
|||
|
|
container_width = self.lyrics_container.width()
|
|||
|
|
start_pos = QPoint(50, 0)
|
|||
|
|
end_pos = QPoint(-label_width, 0)
|
|||
|
|
if self.animation is not None:
|
|||
|
|
self.animation.stop()
|
|||
|
|
self.animation = QPropertyAnimation(self.lyrics_browser, b"pos")
|
|||
|
|
# 根据歌词长度调整滚动时间
|
|||
|
|
duration = 8000 + (label_width - container_width) * 20
|
|||
|
|
self.animation.setDuration(duration)
|
|||
|
|
self.animation.setStartValue(start_pos)
|
|||
|
|
self.animation.setEndValue(end_pos)
|
|||
|
|
self.animation.start()
|
|||
|
|
|
|||
|
|
def update_lyrics_and_progress(self):
|
|||
|
|
elapsed_time = time.time() - self.start_time
|
|||
|
|
self.current_lyric_index = self.find_lyric_index(elapsed_time)
|
|||
|
|
self.update_lyrics_display()
|
|||
|
|
if self.music_length > 0:
|
|||
|
|
progress = int((elapsed_time / self.music_length) * 100)
|
|||
|
|
self.slider.setValue(progress)
|
|||
|
|
|
|||
|
|
if __name__ == '__main__':
|
|||
|
|
app = QApplication(sys.argv)
|
|||
|
|
player = MusicPlayer()
|
|||
|
|
player.show()
|
|||
|
|
sys.exit(app.exec())
|