Xmido简谱播放器程序代码ZXQZQ7-2025-5-14.zip

#pip install mido #pip install python-rtmidi #pip install pyinstaller #pyinstaller --onefile --hidden-import=mido.backends.rtmidi main.py import mido import time import re import tkinter as tk from tkinter import messagebox from threading import Thread, Event import random # 全局变量用于控制播放 stop_event = Event() pause_event = Event() output_port = None # 调式编号与调式的映射关系，这里简单示例，可根据需要扩展 MODE_MAP = { 1: "C大调", 2: "G大调", 3: "D大调", 4: "A大调", 5: "E大调", 6: "B大调", 7: "F大调", 8: "c小调", 9: "g小调", 10: "d小调", 11: "a小调", 12: "e小调", 13: "b小调", 14: "f小调" } def play_part(score, channel_offset): global output_port try: first_line = score.split('\n')[0] parts = first_line.split('，') if len(parts) != 4: raise IndexError("简谱第一行没有正确分隔乐器、音量、速度和调式编号信息") instrument_part = parts[0] volume_part = parts[1] speed_part = parts[2] mode_part = parts[3] # 调式编号部分 instrument_info = instrument_part.replace('：', ': ').split(': ') volume_info = volume_part.replace('：', ': ').split(': ') speed_info = speed_part.replace('：', ': ').split(': ') if len(instrument_info) != 2 or len(volume_info) != 2 or len(speed_info) != 2: raise IndexError("乐器、音量或速度信息格式错误，缺少冒号和空格") instrument_list = instrument_info[1].strip('[]').split(', ') volume_list = volume_info[1].strip('[]').split(', ') speed = int(speed_info[1].strip('[]')) mode_number = int(mode_part.strip()) # 获取并转换调式编号 instruments = [int(i) for i in instrument_list] volumes = [int(v) for v in volume_list] for i, instrument in enumerate(instruments): msg = mido.Message('program_change', program=instrument, channel=i + channel_offset) try: output_port.send(msg) except Exception as e: print(f"发送 program_change 消息时出错 (乐器 {instrument}): {e}") msg = mido.Message('control_change', control=17, value=volumes[i], channel=i + channel_offset) try: output_port.send(msg) except Exception as e: print(f"发送 control_change 消息时出错 (乐器 {instrument}): {e}") note_str = score.split('\n')[1].strip() notes = note_str.split(',') for note in notes: if note.strip() == "": continue if stop_event.is_set(): break while pause_event.is_set(): time.sleep(0.1) pitch, duration = parse_note(note) if pitch is None: print(f"无法解析音符 {note}，跳过此音符") continue # 根据调式编号进行音符转换，这里简单示例，实际可能更复杂 transposed_note = transpose_note(pitch, mode_number) midi_note = convert_note(transposed_note) if midi_note is not None: msg = mido.Message('note_on', note=midi_note, velocity=64, channel=channel_offset) try: output_port.send(msg) except Exception as e: print(f"发送 note_on 消息时出错 (音符 {midi_note}): {e}") adjusted_duration = duration * (60 / speed) elapsed_time = 0 while elapsed_time < adjusted_duration: if stop_event.is_set(): break while pause_event.is_set(): time.sleep(0.1) time.sleep(0.1) elapsed_time += 0.1 msg = mido.Message('note_off', note=midi_note, velocity=0, channel=channel_offset) try: output_port.send(msg) except Exception as e: print(f"发送 note_off 消息时出错 (音符 {midi_note}): {e}") except IndexError as e: print(f"简谱字符串格式错误: {e}，请检查乐器、音量、速度和调式编号信息的格式。") except ValueError as e: print(f"乐器编号、音量值、速度值或调式编号不是有效的整数，请检查输入: {e}") def parse_note(note): pitch_pattern = r'^[+#!-]?[0-7]' pitch_match = re.search(pitch_pattern, note) pitch = pitch_match.group(0) if pitch_match else None duration_part = note[len(pitch):] if pitch else note slashes = duration_part.count('/') base_duration = 1 / (2 ** slashes) dashes = duration_part.count('-') duration = base_duration * (2 ** dashes) dots = duration_part.count('.') if dots == 1: duration *= 1.5 elif dots == 2: duration *= 1.75 return pitch, duration def convert_note(note): base_notes = { "1": 60, "2": 62, "3": 64, "4": 65, "5": 67, "6": 69, "7": 71, "0": None # 表示休止符 } modifier = 0 base_note_str = note if note.startswith(('+', '-', '#', '!')): if note.startswith('+'): modifier = 12 base_note_str = note[1:] elif note.startswith('-'): modifier = -12 base_note_str = note[1:] elif note.startswith('#'): modifier = 1 base_note_str = note[1:] elif note.startswith('!'): modifier = -1 base_note_str = note[1:] base_midi = base_notes.get(base_note_str) if base_midi is not None: return base_midi + modifier return None # 根据调式编号进行音符转换的简单函数 def transpose_note(pitch, mode_number): # 这里简单假设调式转换为升调或降调，实际逻辑可能更复杂 if mode_number in [2, 3, 4, 5, 6]: # 升调的调式 if pitch in ["1", "2", "3", "5", "6"]: pitch = f"#{pitch}" elif mode_number in [7, 8, 9, 10, 11, 12, 13, 14]: # 降调的调式 if pitch in ["4", "7"]: pitch = f"!{pitch}" return pitch def start_play(): global stop_event, pause_event, output_port stop_event.clear() pause_event.clear() scores = [text_box.get("1.0", tk.END).strip() for text_box in text_boxes] valid_scores = [(score, i) for i, score in enumerate(scores) if score] try: output_port = mido.open_output() except Exception as e: # messagebox.showerror("错误", f"无法打开 MIDI 输出端口: {e}") return stop_play() threads = [] for score, channel_offset in valid_scores: thread = Thread(target=play_part, args=(score, channel_offset)) threads.append(thread) thread.start() def pause_play(): global pause_event if pause_event.is_set(): pause_event.clear() pause_button.config(text="暂停") else: pause_event.set() pause_button.config(text="继续") def stop_play(): global stop_event, output_port stop_event.set() if output_port: output_port.close() output_port = None # 将 output_port 设置为 None，防止重复关闭 # 可以在这里添加其他需要的操作，例如重置 GUI 状态等 def show_text_box(index): for i, box in enumerate(text_boxes): if i == index: box.place(x=fixed_x, y=fixed_y, width=text_box_width, height=text_box_height) buttons[i].config(bg="lightblue") # 设置被点击按钮的背景颜色 else: box.place_forget()