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• After using ffmpeg to remove some streams in mkv file, it takes much longer to open the media file in potplayer in Windows

  31 mars 2024, par r ne

  It is well known that ffmpeg command line can be used to remove some streams in mkv or mp4 files, and I have no problem in doing so.

  


  ffmpeg -i input.mp4 -map 0 -map -0:a:3 -map -0:a:6 -c copy output.mp4


  


  The only issue I meet sometimes is, the result media files in mkv or mp4 are much much slower to be opened by player. I cannot figure out the real reason and bypass it.

  


  Any hint or help on solving this issue ? Thanks !

  


• Import BMP file into quicktime .mov file ?

  23 juillet 2015, par Neal Davis

  I am creating a quicktime container .mov file from one BMP file ; I am doing this in two ways :

  1. using the quicktime COM object API for .NET C# under windows
  2. using ffmpeg command line (rawvideo codec)

  Both resulting .MOV files open with quicktime player pro just fine and they look identical to my eyes. Both resulting .MOV files are either the same size as the original BMP or a larger.

  However when viewing the track properties under QT Player PRO of movie file number 1. track format = BMP ; when viewing track properties of number 2. track format = NONE.

  Is there likely a difference - since in 1. above I do not set a track properties format ? In other words is there likely any changes being made to the BMP bits in number 1 above (like compression, or alpha, or ???) ?

• python : can't open file 'F :\\Episode Split\\Episode' : [Errno 2] No such file or directory [closed]

  26 février 2024, par Rafa Segovia

  everyone !

  


  I'm trying to write a python script to split a video into parts based on a list of expressions from a docx file, comparing them to the dialogue on an srt file.
I think I have everything installed on my Windows 10 pc.
I keep getting this error.

  


  python : can't open file 'F :\Episode Split\Episode' : [Errno 2] No such file or directory

  


  It's like it detects a space somewhere and stops reading a path.
There's no file called "Episode" anywhere mentioned on the script.
Can you take a look at the script and pinpoint how I can fix this error ?

  


  Thank you

  


  import os
import re
import cv2
import unicodedata
import chardet
from fuzzywuzzy import fuzz
import docx
from bs4 import BeautifulSoup
import xml.etree.ElementTree as ET

# Define variables
expressions_per_cut = 4
max_time_per_cut_seconds = 20
fuzzy_ratio = 60
input_parent_folder = r'F:\Episode Split'
xml_output_folder = r'F:\Episode Split'



  


  I tried removing spaces in the paths by using hyphens among other things.