python通过PyGame播放Midi和Mp3文件

''' pg_midi_sound101.py
play midi music files (also mp3 files) using pygame
tested with Python273/331 and pygame192 by vegaseat
'''
 
import pygame as pg
 
def play_music(music_file):
    '''
    stream music with mixer.music module in blocking manner
    this will stream the sound from disk while playing
    '''
    clock = pg.time.Clock()
    try:
        pg.mixer.music.load(music_file)
        print("Music file {} loaded!".format(music_file))
    except pygame.error:
        print("File {} not found! {}".format(music_file,pg.get_error()))
        return
    pg.mixer.music.play()
    # check if playback has finished
    while pg.mixer.music.get_busy():
        clock.tick(30)
 
 
# pick a midi or MP3 music file you have in the working folder
# or give full pathname
music_file = "Latin.mid"
#music_file = "Drumtrack.mp3"
 
freq = 44100    # audio CD quality
bitsize = -16   # unsigned 16 bit
channels = 2    # 1 is mono,2 is stereo
buffer = 2048   # number of samples (experiment to get right sound)
pg.mixer.init(freq,bitsize,channels,buffer)
 
# optional volume 0 to 1.0
pg.mixer.music.set_volume(0.8)
 
try:
    play_music(music_file)
except KeyboardInterrupt:
    # if user hits Ctrl/C then exit
    # (works only in console mode)
    pg.mixer.music.fadeout(1000)
    pg.mixer.music.stop()
    raise SystemExit