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• avcodec/opus : Move stuff shared by decoder and parser to a new file

  3 octobre 2022, par Andreas Rheinhardt

  avcodec/opus : Move stuff shared by decoder and parser to a new file
  opus.h (which is used by all the Opus code) currently includes
  
  several structures only used by the parser and the decoder ;
  
  several elements of OpusContext are even only used by the decoder.
  This commit therefore moves the part of OpusContext that is shared
  
  between these two components (and used by ff_opus_parse_extradata())
  
  out into a new structure and moves all the other accompanying
  
  structures and functions to a new header, opus_parse.h ; the
  
  functions itself are also moved to a new file, opus_parse.c.
  
  (This also allows to remove several spurious dependencies
  
  of the Opus parser and encoder.)
  Reviewed-by : Lynne <dev@lynne.ee>
  
  Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
  

  • [DH] libavcodec/Makefile
  • [DH] libavcodec/opus.c
  • [DH] libavcodec/opus.h
  • [DH] libavcodec/opus_parse.c
  • [DH] libavcodec/opus_parse.h
  • [DH] libavcodec/opus_parser.c
  • [DH] libavcodec/opusdec.c

• moviepy ruining video after combining them

  1er juin 2020, par jjakeryan

  I'm trying to make a program that downloads videos from TikTok and combines all the separate videos into one .mp4 file and moves the final video to a folder on my desktop. I've been able to make it download all the videos and when I watch the separate videos they play fine however when I combine the videos some of the videos are messed up and look like this but the audio is fine.

  



  #slecting all .mp4 files
    video_files = glob.iglob("*.mp4")

    print(video_files)
    clips = []

    for clip in video_files:  # For each mp4 file name
        clips.append(VideoFileClip(clip))  # Store them as a VideoFileClip and add to the clips list

    today = date.today()

    final = concatenate_videoclips(clips)  # Concatenate the VideoFileClips
    final.write_videofile(f"{today}.mp4", codec="libx264")


#moving completed video to folder on desktop
    shutil.move(f'{today}.mp4', '/Users/jacobmarrandio/Desktop/done_videos/')


  



  thanks for any help

  


• Matplotlib : 'module' object has no attribute 'FFMpegWriter' / 'Writer'

  23 février 2015, par osnoz

  I’m trying to animate a graph with Matplotlib, something which I’ve done on a previous system. My code, however, seems to fail with my current setup.

  Here’s the problem :

  Writer = animation.writers['ffmpeg']

  Traceback (most recent call last) :
  File "/Users/oliversanders/Documents/Code/PyCharm/plottools/animationTest.py", line 17, in
  Writer = animation.writers[’ffmpeg’]
  AttributeError : ’module’ object has no attribute ’writers’

  Or alternatively :

  mywriter = animation.FFMpegWriter(fps=15)

  Traceback (most recent call last) :
  File "/Users/oliversanders/Documents/Code/PyCharm/plottools/animatedPointPlotter.py", line 101, in
  mywriter = animation.FFMpegWriter(fps=15)
  AttributeError : ’module’ object has no attribute ’FFMpegWriter’

  I’ve just re-installed matplotlib (1.4.2) and ffmpeg (2.5.3) for good measure. I’ve also deleted all .pyc files from matplotlib’s directory to make sure they aren’t messing anything up.

  I’ve looked around but been unable to find a solution. See also :
  Using FFmpeg and IPython, What could be wrong in saving the following animation in Python ?.

  Thanks in advance.