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• FFMPEG Error Code : "Cannot find a matching stream for unlabeled input pad 0 on filter Parsed_scale_10" ; [complex_filter], [-loop 1], [overlay]

  30 août 2020, par Leroy Freyler

  I'm currently experimenting a bit with ffmpeg around.

  


  I want to produce a video that has a .jpg background image over which several videos are overlaid.

  


  Currently I can overlay a black background with any number of videos. But I'm trying to add a static image to the background and then it doesn't work anymore.

  


  My FFMPEG command line is

  


  command = f"ffmpeg -loop 1 -i background.jpg -i vid1.mp4 -i vid2.mp4 -i vid3.mp4 -i vid4.mp4 -filter_complex "nullsrc=size=1920x1080 [base]; 
    [0:v] setpts=PTS-STARTPTS, scale=320x240 [low]; 
    [1:v] setpts=PTS-STARTPTS, scale=320x240 [upperleft]; 
    [2:v] setpts=PTS-STARTPTS, scale=320x240 [upperright]; 
    [3:v] setpts=PTS-STARTPTS, scale=320x240 [lowerleft]; 
    [4:v] setpts=PTS-STARTPTS; scale=320x240 [lowerright]; 
    [base][upperleft] overlay=shortest=1 [tmp0]; 
    [tmp0][low] overlay=shortest=1:x=420:y=240 [tmp1]; 
    [tmp1][upperright] overlay=shortest=1:x=320 [tmp2]; 
    [tmp2][lowerleft] overlay=shortest=1:y=240 [tmp3]; 
    [tmp3][lowerright] overlay=shortest=1:x=320:y=240" 
    -c:v libx264 output.mkv"


  


  This will generate the following error message

  


  Input #0, image2, from '/home/leroy/Schreibtisch/FFMPEG_TEST/bild.jpg':
  Duration: 00:00:00.04, start: 0.000000, bitrate: 71996 kb/s
    Stream #0:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 25 tbn, 25 tbc
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '/home/leroy/Schreibtisch/FFMPEG_TEST/1.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42mp41isomavc1
    creation_time   : 2015-08-07T09:13:36.000000Z
  Duration: 00:00:30.53, start: 0.000000, bitrate: 4675 kb/s
    Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 4486 kb/s, 30 fps, 30 tbr, 30 tbn, 60 tbc (default)
    Metadata:
      creation_time   : 2015-08-07T09:13:36.000000Z
      handler_name    : L-SMASH Video Handler
      encoder         : AVC Coding
    Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 256 kb/s (default)
    Metadata:
      creation_time   : 2015-08-07T09:13:36.000000Z
      handler_name    : L-SMASH Audio Handler
Input #2, mov,mp4,m4a,3gp,3g2,mj2, from '/home/leroy/Schreibtisch/FFMPEG_TEST/2.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isomavc1
    creation_time   : 2010-03-20T21:29:11.000000Z
    encoder         : HandBrake 0.9.4 2009112300
  Duration: 00:00:05.57, start: 0.000000, bitrate: 551 kb/s
    Stream #2:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p(tv, bt709), 560x320, 465 kb/s, 30 fps, 30 tbr, 90k tbn, 60 tbc (default)
    Metadata:
      creation_time   : 2010-03-20T21:29:11.000000Z
      encoder         : JVT/AVC Coding
    Stream #2:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 83 kb/s (default)
    Metadata:
      creation_time   : 2010-03-20T21:29:11.000000Z
Input #3, mov,mp4,m4a,3gp,3g2,mj2, from '/home/leroy/Schreibtisch/FFMPEG_TEST/3.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isomavc1
    creation_time   : 2010-03-20T21:29:11.000000Z
    encoder         : HandBrake 0.9.4 2009112300
  Duration: 00:00:05.57, start: 0.000000, bitrate: 551 kb/s
    Stream #3:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p(tv, bt709), 560x320, 465 kb/s, 30 fps, 30 tbr, 90k tbn, 60 tbc (default)
    Metadata:
      creation_time   : 2010-03-20T21:29:11.000000Z
      encoder         : JVT/AVC Coding
    Stream #3:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 83 kb/s (default)
    Metadata:
      creation_time   : 2010-03-20T21:29:11.000000Z
Input #4, mov,mp4,m4a,3gp,3g2,mj2, from '/home/leroy/Schreibtisch/FFMPEG_TEST/4.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isomavc1
    creation_time   : 2010-03-20T21:29:11.000000Z
    encoder         : HandBrake 0.9.4 2009112300
  Duration: 00:00:05.57, start: 0.000000, bitrate: 551 kb/s
    Stream #4:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p(tv, bt709), 560x320, 465 kb/s, 30 fps, 30 tbr, 90k tbn, 60 tbc (default)
    Metadata:
      creation_time   : 2010-03-20T21:29:11.000000Z
      encoder         : JVT/AVC Coding
    Stream #4:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 83 kb/s (default)
    Metadata:
      creation_time   : 2010-03-20T21:29:11.000000Z

Cannot find a matching stream for unlabeled input pad 0 on filter Parsed_scale_10


  


  I used Ubuntu 18.04.LST and Programmed in Python3.6.9.

  


  My complet Code is :

  


  from pathlib import Path
import os
suffix = '.mp4'
suffix1 = '.jpg'
os.system("clear")


input_path = Path.home() / "/home/leroy/Schreibtisch/FFMPEG_TEST"
file_paths = [subp for subp in input_path.rglob('*') if  suffix == subp.suffix or suffix1 == subp.suffix]
file_paths.sort()
output_path =  Path.home() / "/home/leroy/Schreibtisch/FFMPEG_TEST/new"
output_path.mkdir(parents=True, exist_ok=True)


vid1 = '/home/leroy/Schreibtisch/FFMPEG_TEST/1.mp4'
vid2 = '/home/leroy/Schreibtisch/FFMPEG_TEST/2.mp4'
vid3 = '/home/leroy/Schreibtisch/FFMPEG_TEST/3.mp4'
vid4 = '/home/leroy/Schreibtisch/FFMPEG_TEST/4.mp4'
background = '/home/leroy/Schreibtisch/FFMPEG_TEST/bild.jpg'


command = f"ffmpeg -loop 1 -i {background} -i {vid1} -i {vid2} -i {vid3} -i {vid4} -filter_complex \
\"nullsrc=size=1920x1080 [base]; \
[0:v] setpts=PTS-STARTPTS, scale=320x240 [low]; \
[1:v] setpts=PTS-STARTPTS, scale=320x240 [upperleft]; \
[2:v] setpts=PTS-STARTPTS, scale=320x240 [upperright]; \
[3:v] setpts=PTS-STARTPTS, scale=320x240 [lowerleft]; \
[4:v] setpts=PTS-STARTPTS; scale=320x240 [lowerright]; \
[base][upperleft] overlay=shortest=1 [tmp0]; \
[tmp0][low] overlay=shortest=1:x=420:y=240 [tmp1]; \
[tmp1][upperright] overlay=shortest=1:x=320 [tmp2]; \
[tmp2][lowerleft] overlay=shortest=1:y=240 [tmp3]; \
[tmp3][lowerright] overlay=shortest=1:x=320:y=240 \" \
-c:v libx264 output.mkv"
print(command)
os.system(command)



  


• "Couldn't find ffmpeg or avconv" error while importing pydub

  14 avril 2020, par Vidya Reddy

  I am trying to convert .mp3 file to .wav. I am facing issue. I have tried all the suggestions given in stackoverflow but no use. ffmpeg is also installed successfully. Please find below code I am using

  



  from pydub import AudioSegment
src = 'Audio_1.mp3'
dst = 'Audio_2.wav'
sound = AudioSegment.from_mp3(src)
sound.export(dst, format="wav")


  



  I am facing below errors :

  



  RuntimeWarning: Couldn't find ffmpeg or avconv - defaulting to ffmpeg, but may not work
Couldn't find ffprobe or avprobe - defaulting to ffprobe, but may not work
FileNotFoundError: [WinError 2] The system cannot find the file specified


  



  I have tried all the existing solutions in stackoverflow but nothing could help. ffmpeg is installed successfully but still the issue. Please help me in this

  


• Discord.js "Error : FFMPEG not found" but I'm pretty sure I have it

  21 février 2020, par Cole Perry

  I’m learning Discord.js and following this tutorial : https://discord.js.org/#/docs/main/stable/topics/voice . From the start, when I try to run- npm install ffmpeg-binaries I get a huge error message but it tells me to just use install ffmpeg so I did.

  Here is my Index.js page(I’ve replaced my token with * here) :

  const Discord = require('discord.js');
  
  const Colesbot = new Discord.Client();
  
  
  
  const token = '**********************************';
  
  
  
  Colesbot.on('ready', () =>{
  
      console.log('Slamsbot is online.');
  
  })
  
  
  
  Colesbot.on('message', msg=>{
  
     if(msg.content == "What up bot?"){
  
         msg.reply("Whats good pimp?")
  
     }
  
  });
  
  
  
  Colesbot.on('message', message=>{
  
      if (message.content === '/join') {
  
          // Only try to join the sender's voice channel if they are in one themselves
  
          if (message.member.voiceChannel) {
  
              message.member.voiceChannel.join().then(connection => {
  
                  message.reply('I have successfully connected to the channel!');
  
              }).catch(console.log);
  
      } else {
  
          message.reply('You need to join a voice channel first!');
  
        }
  
      }
  
   });
  
  
  
  //Event listener for new guild members
  
  Colesbot.on('guildMemberAdd', member =>{
  
      // Send the message to a designated channel on a server:
  
      const channel = member.guild.channels.find(ch => ch.name === 'general');
  
      // Do nothing if the channel wasn't found on this server
  
      if (!channel) return;
  
      // Send the message, mentioning the member
  
      channel.send(`Welcome to the server, ${member}. Please use the bot-commands channel to assign yourself a role.`);
  
  })
  
  
  
  Colesbot.login(token);
  
  
  
  
  
  
  
  exports.run = (client, message, args) => {
  
  
  
      let user = message.mentions.users.first || message.author;
  
  
  
  
  
  }

  If I type "/join" while not connected to a voice channel I get the proper message. However, if I try while I am I get this error message :

  Error: FFMPEG not found
  
  task_queues.js:94
  
  message:"FFMPEG not found"
  
  stack:"Error: FFMPEG not found\n    at Function.selectFfmpegCommand (c:\Users\bobal\Documents\GitHub\Spotify-Playlist-Discord-bot\node_modules\prism-media\src\transcoders\ffmpeg\Ffmpeg.js:46:13)\n    at new FfmpegTranscoder (c:\Users\bobal\Documents\GitHub\Spotify-Playlist-Discord-bot\node_modules\prism-media\src\transcoders\ffmpeg\Ffmpeg.js:7:37)\n    at new MediaTranscoder (c:\Users\bobal\Documents\GitHub\Spotify-Playlist-Discord-bot\node_modules\prism-media\src\transcoders\MediaTranscoder.js:10:19)\n    at new Prism (c:\Users\bobal\Documents\GitHub\Spotify-Playlist-Discord-bot\node_modules\prism-media\src\Prism.js:5:23)\n    at new VoiceConnection (c:\Users\bobal\Documents\GitHub\Spotify-Playlist-Discord-bot\node_modules\discord.js\src\client\voice\VoiceConnection.js:46:18)\n    at c:\Users\bobal\Documents\GitHub\Spotify-Playlist-Discord-bot\node_modules\discord.js\src\client\voice\ClientVoiceManager.js:63:22\n    at new Promise (<anonymous>)\n    at ClientVoiceManager.joinChannel (c:\Users\bobal\Documents\GitHub\Spotif...
  
  </anonymous>

  So I went to that folder and the file Ffmpeg.js is there and here is its contents :

  const ChildProcess = require('child_process');
  
  const FfmpegProcess = require('./FfmpegProcess');
  
  
  
  class FfmpegTranscoder {
  
    constructor(mediaTranscoder) {
  
      this.mediaTranscoder = mediaTranscoder;
  
      this.command = FfmpegTranscoder.selectFfmpegCommand();
  
      this.processes = [];
  
    }
  
  
  
    static verifyOptions(options) {
  
      if (!options) throw new Error('Options not provided!');
  
      if (!options.media) throw new Error('Media must be provided');
  
      if (!options.ffmpegArguments || !(options.ffmpegArguments instanceof Array)) {
  
        throw new Error('FFMPEG Arguments must be an array');
  
      }
  
      if (options.ffmpegArguments.includes('-i')) return options;
  
      if (typeof options.media === 'string') {
  
        options.ffmpegArguments = ['-i', `${options.media}`].concat(options.ffmpegArguments).concat(['pipe:1']);
  
      } else {
  
        options.ffmpegArguments = ['-i', '-'].concat(options.ffmpegArguments).concat(['pipe:1']);
  
      }
  
      return options;
  
    }
  
  
  
    /**
  
     * Transcodes an input using FFMPEG
  
     * @param {FfmpegTranscoderOptions} options the options to use
  
     * @returns {FfmpegProcess} the created FFMPEG process
  
     * @throws {FFMPEGOptionsError}
  
     */
  
    transcode(options) {
  
      if (!this.command) this.command = FfmpegTranscoder.selectFfmpegCommand();
  
      const proc = new FfmpegProcess(this, FfmpegTranscoder.verifyOptions(options));
  
      this.processes.push(proc);
  
      return proc;
  
    }
  
  
  
    static selectFfmpegCommand() {
  
      try {
  
        return require('ffmpeg-binaries');
  
      } catch (err) {
  
        for (const command of ['ffmpeg', 'avconv', './ffmpeg', './avconv']) {
  
          if (!ChildProcess.spawnSync(command, ['-h']).error) return command;
  
        }
  
        throw new Error('FFMPEG not found');
  
      }
  
    }
  
  }
  
  
  
  module.exports = FfmpegTranscoder;

  I also added ffmpeg to system path and it didn’t help :

  C:\ffmpeg
  
  C:\Users\bobal\Documents\GitHub\Spotify-Playlist-Discord-bot\ffmpeg

  I’m not quite sure what to do from here. If you need any other info I’d be glad to give it.