python通过PyGame播放Midi和Mp3文件，pythonpygame,''' pg_midi_

python通过PyGame播放Midi和Mp3文件，pythonpygame,''' pg_midi_

''' pg_midi_sound101.pyplay midi music files (also mp3 files) using pygametested with Python273/331 and pygame192 by vegaseat'''import pygame as pgdef 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 pathnamemusic_file = "Latin.mid"#music_file = "Drumtrack.mp3"freq = 44100    # audio CD qualitybitsize = -16   # unsigned 16 bitchannels = 2    # 1 is mono, 2 is stereobuffer = 2048   # number of samples (experiment to get right sound)pg.mixer.init(freq, bitsize, channels, buffer)# optional volume 0 to 1.0pg.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