Python VideoFileClip.set_duration方法代码示例

# 需要导入模块: from moviepy.editor import VideoFileClip [as 别名]
# 或者: from moviepy.editor.VideoFileClip import set_duration [as 别名]
def save_out(tracks, outfile=None, filetype='mp4'):

    out = []

    vids = [t for t in tracks if t['type'] == 'vid']
    texts = [t for t in tracks if t['type'] == 'text']

    for v in vids:
        c = VideoFileClip(v['content']).subclip(v['in'], v['in'] + v['duration'])
        c = c.set_start(v['start'])
        out.append(c)

    size = out[0].size

    for t in texts:
        c = create_sub(t['content'], size, rect_offset=195, min_height=55)
        c = c.set_start(t['start'])
        c = c.set_duration(t['duration'])
        out.append(c)

    final_clip = CompositeVideoClip(out)
    if outfile is None:
        outfile = 'msg_' + str(int(time.time())) + '.mp4'
    if filetype == 'gif':
        outfile = outfile.replace('.mp4', '.gif')
        final_clip.speedx(1.7).write_gif(outfile, fps=7, loop=1)
    else:
        final_clip.write_videofile(outfile, fps=24, codec='libx264')
    return outfile

# 需要导入模块: from moviepy.editor import VideoFileClip [as 别名]
# 或者: from moviepy.editor.VideoFileClip import set_duration [as 别名]
    type=str, help='Output filename', default='out.mp4')
parser.add_argument('-R', dest='reverse', help='Reverse order',
    action='store_true', default=False)
parser.add_argument('-r', dest='round', metavar='decimal_places',
    type=int, help='Luminosity precision, in decimal places, or 0 to disable rounding', default=2)
parser.add_argument('-l', dest='length', metavar='duration_seconds',
    type=float, help='Duration to crop to')

args = parser.parse_args()
if args.round == 0:
    args.round = 12

clip = VideoFileClip(args.input)

if args.length is not None:
    clip = clip.set_duration(args.length)

print "Read clip, duration = %.1fs, FPS = %.1f" % (clip.duration, clip.fps)

#------------------------------------------------------------------------
# Non-integer frame rates (e.g. 29.97) cause problems when retrieving
# offsets. Round to an integer.
#------------------------------------------------------------------------
clip.fps = round(clip.fps)

#------------------------------------------------------------------------
# Transform brightnesses into a list of (offset_seconds, brightness) 
#------------------------------------------------------------------------
print "Analysing brightness ...."
brightnesses = [ (index / clip.fps, round(np.mean(frame) / 255.0, args.round)) for index, frame in enumerate(clip.iter_frames()) ]

# 需要导入模块: from moviepy.editor import VideoFileClip [as 别名]
# 或者: from moviepy.editor.VideoFileClip import set_duration [as 别名]
def poop(source, destination, midi_file, stretch, fadeout, rebuild, max_stack):
    """
    Create multiple pitchshifted versions of source video and arrange them to
    the pattern of the midi_file, also arrange the video if multiple notes play
    at the same time.
    """

    print "Reading input files"
    video = VideoFileClip(source, audio=False)
    """
    Non-main tracks are 30% the size of the main and have a white border and a
    margin around them.
    """
    smaller = video.resize(0.3)\
        .margin(mar=2, color=3*[255])\
        .margin(mar=8, opacity=0)
    audio = AudioFileClip(source, fps=44100)
    mid = MidiFile(midi_file)
    ignoredtracks = ["Percussion", "Bass"]

    print "Analysing MIDI file"
    notes = []   # the number of messages in each track
    lowest = 127 # will contain the lowest note
    highest = 0  # will contain the highest note
    for i, track in enumerate(mid.tracks):
        notes.append(0)
        #if track.name in ignoredtracks: continue
        for message in track:
            if message.type == "note_on":
                lowest = min(lowest, message.note)
                highest = max(highest, message.note)
                notes[-1] += 1
    """
    The main track is the one featured in the center. It is probably the one
    with the most notes. Also record the lowest, highest, and average note to
    generate the appropriate pitches.
    """
    maintrack = max(enumerate(notes), key=lambda x: x[1])[0]
    midpitch = int((lowest+highest)/2)
    print "Main track is probably", str(maintrack)+":", mid.tracks[maintrack].name
    mid.tracks.insert(0, mid.tracks.pop(maintrack)) # move main track to front
    notes.insert(0, notes.pop(maintrack)) # move main note count to front
    print sum(notes), "notes ranging from", lowest, "to", highest, "centering around", midpitch

    print "Transposing audio"
    sound = audio.to_soundarray(fps=44100) # source, original audio
    tones = range(lowest-midpitch, highest-midpitch) # the range of pitches we need
    pitches = [] # this will contain the final AudioFileClips
    if not os.path.exists("pitches/"):
        print "Creating folder for audio files"
        os.makedirs("pitches/")
    for n in tones:
        """
        Pitches only need to be generated if they do not already exist or if
        we force the creation of new ones. Save them in order in pitches.
        """
        name = "pitches/"+source+"_"+str(n)+".mp3"
        if not os.path.isfile(name) or rebuild:
            print "Transposing pitch", n
            splitshift(sound, n).write_audiofile(name)
        pitches.append(AudioFileClip(name, fps=44100))

    print "Adding video clips"
    clips = [video.set_duration(1)] # to set the video size
    positions = [("left", "bottom"), ("right", "bottom"), ("left", "top"),
        ("right", "top"), ("center", "bottom"), ("center", "top"),
        ("left", "center"), ("right", "center")] # non-main tracks
    """
    curpos is the current corner position on the screen and changes with each track.
    cache is used to make a unique file name whenever a new temporary file is created.
    endtime will be used at the end to set the end TextClip. It is the latest time any clip ends.
    """
    curpos = -2
    cache = endtime = 0
    for i, track in enumerate(mid.tracks):
        #if track.name in ignoredtracks: continue
        print("Processing {} notes: {}".format(notes[i], track.name))
        t = 1.0 # not 0 because we added one second of original video for size
        opennotes = [] # will contain all notes that are still playing
        curpos += 1
        for message in track:
            if not isinstance(message, MetaMessage):
                message.time *= stretch
                t += message.time
                if message.type == "note_on":
                    """
                    Add a video clip with the appropriate starting time and
                    pitch. Also add an entry to opennotes (we don't know when
                    the note ends yet).
                    """
                    part = video
                    mainvid = i is 0# and len(opennotes) is 0
                    if not mainvid: part = smaller
                    part = part\
                        .set_audio(pitches[min(len(pitches)-1, max(0, message.note-lowest))])\
                        .set_start(t/1000)
                    opennotes.append((message.note, len(clips), t))
                    """
                    If this isn't the main track, the video will be smaller and
                    placed at the edge. We'll get a position for each track.
#.........这里部分代码省略.........