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• The Mystery of the No such file or directory exception

  22 avril 2022, par JohnWick

  No idea what's going on here. Set a breakpoint after the for of loop in the following function. temp/concat.txt exists but the following exception is thrown :

  


  


  Uncaught Error Error : ffmpeg exited with code 1 : temp/concat.txt : No
such file or directory

  


  


  Outputting stderr gives a bit more info :

  


  


  [concat @ 000001e2e30124c0] Impossible to open
'temp/concat.txt#voiceover #funny #fall #lol.mp4' index.js:19
temp/concat.txt : No such file or directory

  


  


  And here is the contents of concat.txt, standard ffmpeg concat demuxer format :

  


  file '#voiceover #funny #fall #lol.mp4'
file 'part 2 repost 🙄 #fyp #funny @jordond262 @princemoonjq add my snap heroicdw333.mp4'
file 'This is my hair wet wet WOAHHH #GrowUpWithMe #fyp #foryoupage #love #funny #puppy #goldenretriever #cute #dog #wetwet.mp4'
file 'POV calling your friends when your 90#FootlongShuffle #GhostMode #funny #grandma  #fyp #halloween #collegegotmelike #tiktok #foryoupage.mp4'
file 'Sam Ki Singing Kaisi Lgi 😂😜 insta-samayranarula #foryou #trending #lockdown #queen_samayra #tiktokindia #funny #gharbaithoindia 🏠 #comedyindia.mp4'
file 'Reply to @juswa646  #fyp#funny #relatable.mp4'
file 'RaNdOm ViDeOs! #fy #fypシ #viral #meme #funny #xyzbca #funnyvideos #randomvideo.mp4'
file 'Reply to @bratzdoll.maya what should I do next 🙄 #fyp #foryoupage #leethe4th #memes #tall #funny #lol.mp4'
file 'Part 2 #fyp #foryou #viral #foryoupageofficiall #funny #trending.mp4'
file 'Lmfao 😂 (via @danibreezy01) #lmao #lmfao #funny #cousins #family #fyp #foryou #foryoupage.mp4'
file 'When you are a clumsy kitty #trend #joke #Khaleesi #funny #kittensoftiktok #foryou #fyp #foryoupage #cute #catsoftiktok.mp4'
file 'Tag That Friend That Always Be Falling Asleep 😂 #foryou #funny #fail #nap #sleep #pennsylvania #SHEINcares #viral #trending #meme #memes #foryoupage.mp4'
file '#funny #funnyvideos #girlfriend #crzy #Birdshit.mp4'
file 'He forgot he was a dog.                #dog #fyp #talkingdog #cute #pet #funny.mp4'
file 'Bad Day #part1 #badday #falling #funny #memes #viral #jokes #comedy #trending #fyp #foryou #share #likes #us #uk #xyzbca  #epic #pourtoi #fail #wee.mp4'
file 'I think he got offended ( #catsoftiktok #fyp #funny #catlover #MyJob #yellow #foryoupage.mp4'
file 'They took OFF today 🐶🤠🐶 #joshbutlertv #roxyandremi #funny #comedy #dogs #viral #memes.mp4'
file 'Had to make sure momma was there #funny #fyp #raccoons #love #bff #foryoupage #ThisorThatSBLV.mp4'
file 'That\'s not how you get out... #mysterymakers #escaperoom #foryou #fyp #crazystory #friends #funny #crazy #teammate.mp4'


  


  The function throwing the exception.

  


  async function makeCompilation(paths, outPath) {
  for (const filePath of paths) {
    await fs.appendFile(
      "temp/concat.txt",
      `file '${path.basename(filePath).replace("'", "\\'")}'${os.EOL}`
    );
  }
  return new Promise((resolve, reject) => {
    ffmpeg("temp/concat.txt")
      .inputOptions(["-f concat", "-safe 0"])
      .outputOption("-c copy")
      .on("stderr", (line) => console.log(line))
      .on("end", async () => {
        await fs.rm("temp/concat.txt");
        resolve();
      })
      .save(outPath);
  });
}


  


• I want to reduce my PYTHON code and also make proper

  7 mai 2022, par Anuj Saxena

  I have a CSV file From the client.
In my code, first, read the CSV file and create folders based on the CSV Column Heading name
and, convert the video into jpeg and also compress the video and apply a watermark on the compressed video.
hi below is my code example. Is there a way to reduce the number of lines of code and save time ?
example.. using function or loops. I need any other method. please help

  


  

  


  CODE BEGIN

  


  #import library
import csv
import os
import subprocess
import shutil

path = r'/home/anuj/FIle_server/from_client/shots_data.csv' #path of client CSV File
root = r"/home/anuj/FIle_server/production/"# path where i want create folders 
list = ['JPG', 'LOW', 'RAW'] #also add these folders in the last directory


def read_csv(path):  #create function to read csv file 
    with open(path, 'r') as csv_file:
        csv_reader = csv.DictReader(csv_file)
        for line in csv_reader:
            print(line)
            new_path  = f"{root}/{line['Project']}/{line['Sequence']}/{line['Shot']}/{line['task']}/{line['software']}/{line['artist']}"
            print(new_path)
            os.makedirs(new_path) #create folders.
            for items in list:
                path = os.path.join(new_path, items)
                os.mkdir(path) #create jpeg, low ,raw folders in the last directory


read_csv(path)

def convert_1mov_to_seq():# Declare function to convert video into jpeg and also compress the video,and apply watermark on the compressed video
    # input = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_001/SH001/ROTO/NUKE/VISHAL/RAW/SH001.MOV"
    input  = r"/home/anuj/FIle_server/from_client/AI_PROJECT/SEQ_001/SH001.MOV"
    output = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_001/SH001/ROTO/NUKE/VISHAL/JPG/frm_seq_v001.%3d.jpeg"
    output2 = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_001/SH001/ROTO/NUKE/VISHAL/LOW/SH001.mp4"
    output3 = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_001/SH001/ROTO/NUKE/VISHAL/LOW/Compress_SH001.mp4"

    cmd = f'ffmpeg -i "{input}" "{output}"'
    cmd2 = f"ffmpeg -i {input} -vcodec libx264 -acodec aac {output2}"
    cmd3 = f"ffmpeg -i {output2} -i watermark.png -filter_complex 'overlay=1660:970' {output3}"
    print(cmd)
    print(cmd2)
    print(cmd3)
    subprocess.call(cmd, shell=True)
    subprocess.call(cmd2, shell=True)
    subprocess.call(cmd3, shell=True)

def convert_2mov_to_seq():
    # input = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_002/SH002/MM/MAYA/ANUJ/RAW/SH002.MOV"
    input  = r"/home/anuj/FIle_server/from_client/AI_PROJECT/SEQ_001/SH002.MOV"
    output = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_002/SH002/MM/MAYA/ANUJ/JPG/frm_seq_v001.%3d.jpeg"
    output2 = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_002/SH002/MM/MAYA/ANUJ/LOW/SH002.mp4"
    output3 = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_002/SH002/MM/MAYA/ANUJ/LOW/Compress_SH002.mp4"

    cmd = f'ffmpeg -i "{input}" "{output}"'
    cmd2 = f"ffmpeg -i {input} -vcodec libx264 -acodec aac {output2}"
    cmd3 = f"ffmpeg -i {output2} -i watermark.png -filter_complex 'overlay=1660:970' {output3}"
    print(cmd)
    print(cmd2)
    print(cmd3)
    subprocess.call(cmd, shell=True)
    subprocess.call(cmd2, shell=True)
    subprocess.call(cmd3, shell=True)

def convert_3mov_to_seq():
    # input = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_003/SH003/VFX/HOUDINI/KESHV/RAW/SH003.MOV"
    input  = r"/home/anuj/FIle_server/from_client/AI_PROJECT/SEQ_001/SH003.MOV"
    output = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_003/SH003/VFX/HOUDINI/KESHV/JPG/frm_seq_v001.%3d.jpeg"
    output2 = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_003/SH003/VFX/HOUDINI/KESHV/LOW/SH003.mp4"
    output3 = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_003/SH003/VFX/HOUDINI/KESHV/LOW/compress_SH003.mp4"

    cmd = f'ffmpeg -i "{input}" "{output}"'
    cmd2 = f"ffmpeg -i {input} -vcodec libx264 -acodec aac {output2}"
    cmd3 = f"ffmpeg -i {output2} -i watermark.png -filter_complex 'overlay=1660:970' {output3}"
    print(cmd)
    print(cmd2)
    print(cmd3)
    subprocess.call(cmd, shell=True)
    subprocess.call(cmd2, shell=True)
    subprocess.call(cmd3, shell=True)

def convert_4mov_to_seq():# i want only one compressed video with watermark, but here i create two compressed video one with watermark and another without watermark.
    # input = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_004/SH004/CLEANUP/BLENDER/VARSHA/RAW/SH004.MOV"
    input  = r"/home/anuj/FIle_server/from_client/AI_PROJECT/SEQ_001/SH004.MOV"
    output = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_004/SH004/CLEANUP/BLENDER/VARSHA/JPG/frm_seq_v001.%3d.jpeg"
    output2 = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_004/SH004/CLEANUP/BLENDER/VARSHA/LOW/SH004.mp4"
    output3 = r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_004/SH004/CLEANUP/BLENDER/VARSHA/LOW/Compress_SH004.mp4"

    cmd = f'ffmpeg -i "{input}" "{output}"'
    cmd2 = f"ffmpeg -i {input} -vcodec libx264 -acodec aac {output2}"
    cmd3 = f"ffmpeg -i {output2} -i watermark.png -filter_complex 'overlay=1660:970' {output3}"
    print(cmd)
    print(cmd2)
    print(cmd3)
    subprocess.call(cmd, shell=True)
    subprocess.call(cmd2, shell=True)
    subprocess.call(cmd3, shell=True)

 convert_1mov_to_seq()
 convert_2mov_to_seq()
 convert_3mov_to_seq()
 convert_4mov_to_seq()

def copy_mov(): #copy videos from client folder to RAW folders
    shutil.copy2(r"/home/anuj/FIle_server/from_client/AI_PROJECT/SEQ_001/SH001.MOV", r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_001/SH001/ROTO/NUKE/VISHAL/RAW/SH001.mp4")
    shutil.copy2(r"/home/anuj/FIle_server/from_client/AI_PROJECT/SEQ_001/SH002.MOV", r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_002/SH002/MM/MAYA/ANUJ/RAW/SH002.mp4")
    shutil.copy2(r"/home/anuj/FIle_server/from_client/AI_PROJECT/SEQ_001/SH003.MOV", r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_003/SH003/VFX/HOUDINI/KESHV/RAW/SH003.mp4")
    shutil.copy2(r"/home/anuj/FIle_server/from_client/AI_PROJECT/SEQ_001/SH004.MOV", r"/home/anuj/FIle_server/production/AI_PROJECT/SEQ_004/SH004/CLEANUP/BLENDER/VARSHA/RAW/SH004.mp4")


copy_mov()