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• avformat/mov : Fix integer overflows related to sample_duration

  9 mars 2018, par Michael Niedermayer

  avformat/mov : Fix integer overflows related to sample_duration
  Fixes : runtime error : signed integer overflow : -9166684017437101870 + -2495066639299164439 cannot be represented in type
  Fixes : Chromium bug 791349
  Reported-by : Matt Wolenetz <wolenetz@google.com>
  
  Reviewed-by : Matt Wolenetz <wolenetz@google.com>
  
  Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
  

  • [DH] libavformat/mov.c

• Not able to add Text Clip in Moviepy. Getting error related to Imagemagic

  24 septembre 2023, par Adi

  I am using the moviepy module for python from here https://github.com/Zulko/moviepy

  



  I had successfully installed moviepy and necessary modules with it. But when I am trying to run the first example of adding Text clip in the video, I am getting error.

  



  Here is my code and my output.

  



  Code :

  



      from moviepy.editor import *
clip = VideoFileClip("video1.mp4").subclip(50, 60)

txt_clip = TextClip("My Holidays 2013", fontsize=70, color='white')
txt_clip = txt_clip.set_pos('center').set_duration(10)

video = CompositeVideoClip([clip, txt_clip])
video.write_videofile("output.mp4")


  



  **NOTE :

  



  

  • Imagemagic is installed correctly as when i type convert in the
terminal i get the version name. Also i can perfectly run the other
examples were there isn't a use of TextClip

  


  • I am using ubuntu 16.04 with python3

  


  



  .**

  



  Output :

  



  [MoviePy] This command returned an error !Traceback (most recent call last):&#xA;  File "/home/vega6-x3/.local/lib/python3.5/site-packages/moviepy/video/VideoClip.py", line 1220, in __init__&#xA;    subprocess_call(cmd, verbose=False )&#xA;  File "/home/vega6-x3/.local/lib/python3.5/site-packages/moviepy/tools.py", line 49, in subprocess_call&#xA;    raise IOError(err.decode(&#x27;utf8&#x27;))&#xA;OSError: convert: not authorized `@/tmp/tmpfa42vkjy.txt&#x27; @ error/property.c/InterpretImageProperties/3405.&#xA;convert: no images defined `PNG32:/tmp/tmpevkkuuf5.png&#x27; @ error/convert.c/ConvertImageCommand/3210.&#xA;&#xA;&#xA;During handling of the above exception, another exception occurred:&#xA;&#xA;Traceback (most recent call last):&#xA;  File "/home/vega6-x3/python/hello.py", line 10, in <module>&#xA;    txt_clip = TextClip("My Holidays 2013", fontsize=70, color=&#x27;white&#x27;)&#xA;  File "/home/vega6-x3/.local/lib/python3.5/site-packages/moviepy/video/VideoClip.py", line 1229, in __init__&#xA;    raise IOError(error)&#xA;OSError: MoviePy Error: creation of None failed because of the following error:&#xA;&#xA;convert: not authorized `@/tmp/tmpfa42vkjy.txt&#x27; @ error/property.c/InterpretImageProperties/3405.&#xA;convert: no images defined `PNG32:/tmp/tmpevkkuuf5.png&#x27; @ error/convert.c/ConvertImageCommand/3210.&#xA;.&#xA;&#xA;.This error can be due to the fact that ImageMagick is not installed on your computer, or (for Windows users) that you didn&#x27;t specify the path to the ImageMagick binary in file conf.py, or.that the path you specified is incorrect&#xA;</module>

  



  Please let me know what wrong i am doing. I am pretty new to python, so not sure what i had done wrong. From what little i can get, it seems to me as a permission issue but exactly sure about this.

  



  Thanks
Adi

  


• dashenc : set DASH related options for the subsequent matroska muxer when using webm

  29 octobre 2017, par Peter Große

  dashenc : set DASH related options for the subsequent matroska muxer when using webm
  This patch is inspired by the ffmpeg webm_chunk muxer and fixes that all resulting
  
  tracks have the same track number.
  Signed-off-by : Peter Große <pegro@friiks.de>
  
  Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
  

  • [DH] libavformat/dashenc.c