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SPIP - plugins - embed code - Exemple
2 septembre 2013, par
Mis à jour : Septembre 2013
Langue : français
Type : Image
Autres articles (97)
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18 février 2011, parMultilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
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18 février 2011, parPour gérer l’ajout et la suppression de fonctionnalités supplémentaires (ou plugins), MediaSPIP utilise à partir de la version 0.2 SVP.
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Sur d’autres sites (9618)
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Why does moviepy complain about bitrate while generating audiofile ?
11 janvier 2017, par RomanI have just try to use
moviepylibrary for the first time. Generation of movies fromnumpyarrays was really simple, intuitive and worked out of box. This is what I tried :from moviepy.editor import VideoClip
import numpy as np
def make_frame(t):
val = int(255.0*(t/3.0))
ls = []
for height in range(100):
row = []
for width in range(300):
row.append([val,0,0])
ls.append(row)
frame = np.array(ls)
return frame
animation = VideoClip(make_frame, duration = 3)
animation.write_gif('first_try.gif', fps=24)
animation.write_videofile('first_try.mp4', fps=24)Then I wanted to use
moviepyto generate sound. In theory it should work in a very similar way. Here is what I tried :from moviepy.editor import AudioClip
import numpy as np
make_frame = lambda t : 2*[ np.sin(404 * 2 * np.pi * t) ]
clip = AudioClip(make_frame, duration=5)
clip.write_audiofile('sound.mp4')However, I got an error message :
[MoviePy] Writing audio in sound.mp4
|----------| 0/111 0% [elapsed: 00:00 left: ?, ? iters/sec]Traceback (most recent call last):
File "sound.py", line 9, in <module>
clip.write_audiofile('sound.mp4')
File "<string>", line 2, in write_audiofile
File "/usr/local/lib/python2.7/dist-packages/moviepy/decorators.py", line 54, in requires_duration
return f(clip, *a, **k)
File "/usr/local/lib/python2.7/dist-packages/moviepy/audio/AudioClip.py", line 204, in write_audiofile
verbose=verbose, ffmpeg_params=ffmpeg_params)
File "<string>", line 2, in ffmpeg_audiowrite
File "/usr/local/lib/python2.7/dist-packages/moviepy/decorators.py", line 54, in requires_duration
return f(clip, *a, **k)
File "/usr/local/lib/python2.7/dist-packages/moviepy/audio/io/ffmpeg_audiowriter.py", line 162, in ffmpeg_audiowrite
writer.write_frames(chunk)
File "/usr/local/lib/python2.7/dist-packages/moviepy/audio/io/ffmpeg_audiowriter.py", line 122, in write_frames
raise IOError(error)
IOError: [Errno 32] Broken pipe
MoviePy error: FFMPEG encountered the following error while writing file sound.mp4:
Invalid encoder type 'libx264'
The audio export failed, possily because the bitrate you specified was two high or too low for the video codec.
</string></string></module>Does anybody know what this error means and how this problem can be resolved ?
-
Why does moviepy complain about bitrate while generating audiofile ?
11 janvier 2017, par RomanI have just try to use
moviepylibrary for the first time. Generation of movies fromnumpyarrays was really simple, intuitive and worked out of box. This is what I tried :from moviepy.editor import VideoClip
import numpy as np
def make_frame(t):
val = int(255.0*(t/3.0))
ls = []
for height in range(100):
row = []
for width in range(300):
row.append([val,0,0])
ls.append(row)
frame = np.array(ls)
return frame
animation = VideoClip(make_frame, duration = 3)
animation.write_gif('first_try.gif', fps=24)
animation.write_videofile('first_try.mp4', fps=24)Then I wanted to use
moviepyto generate sound. In theory it should work in a very similar way. Here is what I tried :from moviepy.editor import AudioClip
import numpy as np
make_frame = lambda t : 2*[ np.sin(404 * 2 * np.pi * t) ]
clip = AudioClip(make_frame, duration=5)
clip.write_audiofile('sound.mp4')However, I got an error message :
[MoviePy] Writing audio in sound.mp4
|----------| 0/111 0% [elapsed: 00:00 left: ?, ? iters/sec]Traceback (most recent call last):
File "sound.py", line 9, in <module>
clip.write_audiofile('sound.mp4')
File "<string>", line 2, in write_audiofile
File "/usr/local/lib/python2.7/dist-packages/moviepy/decorators.py", line 54, in requires_duration
return f(clip, *a, **k)
File "/usr/local/lib/python2.7/dist-packages/moviepy/audio/AudioClip.py", line 204, in write_audiofile
verbose=verbose, ffmpeg_params=ffmpeg_params)
File "<string>", line 2, in ffmpeg_audiowrite
File "/usr/local/lib/python2.7/dist-packages/moviepy/decorators.py", line 54, in requires_duration
return f(clip, *a, **k)
File "/usr/local/lib/python2.7/dist-packages/moviepy/audio/io/ffmpeg_audiowriter.py", line 162, in ffmpeg_audiowrite
writer.write_frames(chunk)
File "/usr/local/lib/python2.7/dist-packages/moviepy/audio/io/ffmpeg_audiowriter.py", line 122, in write_frames
raise IOError(error)
IOError: [Errno 32] Broken pipe
MoviePy error: FFMPEG encountered the following error while writing file sound.mp4:
Invalid encoder type 'libx264'
The audio export failed, possily because the bitrate you specified was two high or too low for the video codec.
</string></string></module>Does anybody know what this error means and how this problem can be resolved ?
-
Why does moviepy complain about bitrate while generating audiofile ?
6 octobre 2023, par RomanI have just try to use
moviepylibrary for the first time. Generation of movies fromnumpyarrays was really simple, intuitive and worked out of box. This is what I tried :


from moviepy.editor import VideoClip
import numpy as np

def make_frame(t):

 val = int(255.0*(t/3.0))

 ls = []
 for height in range(100):
 row = []
 for width in range(300):
 row.append([val,0,0])
 ls.append(row)
 frame = np.array(ls)
 return frame

animation = VideoClip(make_frame, duration = 3)

animation.write_gif('first_try.gif', fps=24)
animation.write_videofile('first_try.mp4', fps=24)



Then I wanted to use
moviepyto generate sound. In theory it should work in a very similar way. Here is what I tried :


from moviepy.editor import AudioClip
import numpy as np

make_frame = lambda t : 2*[ np.sin(404 * 2 * np.pi * t) ]
clip = AudioClip(make_frame, duration=5)

clip.write_audiofile('sound.mp4')



However, I got an error message :



[MoviePy] Writing audio in sound.mp4
|----------| 0/111 0% [elapsed: 00:00 left: ?, ? iters/sec]Traceback (most recent call last):
 File "sound.py", line 9, in <module>
 clip.write_audiofile('sound.mp4')
 File "<string>", line 2, in write_audiofile
 File "/usr/local/lib/python2.7/dist-packages/moviepy/decorators.py", line 54, in requires_duration
 return f(clip, *a, **k)
 File "/usr/local/lib/python2.7/dist-packages/moviepy/audio/AudioClip.py", line 204, in write_audiofile
 verbose=verbose, ffmpeg_params=ffmpeg_params)
 File "<string>", line 2, in ffmpeg_audiowrite
 File "/usr/local/lib/python2.7/dist-packages/moviepy/decorators.py", line 54, in requires_duration
 return f(clip, *a, **k)
 File "/usr/local/lib/python2.7/dist-packages/moviepy/audio/io/ffmpeg_audiowriter.py", line 162, in ffmpeg_audiowrite
 writer.write_frames(chunk)
 File "/usr/local/lib/python2.7/dist-packages/moviepy/audio/io/ffmpeg_audiowriter.py", line 122, in write_frames
 raise IOError(error)
IOError: [Errno 32] Broken pipe

MoviePy error: FFMPEG encountered the following error while writing file sound.mp4:

Invalid encoder type 'libx264'


The audio export failed, possily because the bitrate you specified was two high or too low for the video codec.
</string></string></module>


Does anybody know what this error means and how this problem can be resolved ?


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