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  • MediaSPIP v0.2

    21 juin 2013, par

    MediaSPIP 0.2 est la première version de MediaSPIP stable.
    Sa date de sortie officielle est le 21 juin 2013 et est annoncée ici.
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Comme pour la version précédente, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
    Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)

  • Mise à disposition des fichiers

    14 avril 2011, par

    Par défaut, lors de son initialisation, MediaSPIP ne permet pas aux visiteurs de télécharger les fichiers qu’ils soient originaux ou le résultat de leur transformation ou encodage. Il permet uniquement de les visualiser.
    Cependant, il est possible et facile d’autoriser les visiteurs à avoir accès à ces documents et ce sous différentes formes.
    Tout cela se passe dans la page de configuration du squelette. Il vous faut aller dans l’espace d’administration du canal, et choisir dans la navigation (...)

  • XMP PHP

    13 mai 2011, par

    Dixit Wikipedia, XMP signifie :
    Extensible Metadata Platform ou XMP est un format de métadonnées basé sur XML utilisé dans les applications PDF, de photographie et de graphisme. Il a été lancé par Adobe Systems en avril 2001 en étant intégré à la version 5.0 d’Adobe Acrobat.
    Étant basé sur XML, il gère un ensemble de tags dynamiques pour l’utilisation dans le cadre du Web sémantique.
    XMP permet d’enregistrer sous forme d’un document XML des informations relatives à un fichier : titre, auteur, historique (...)

Sur d’autres sites (10375)

  • Video generation and ffmpeg and locally stored images [closed]

    3 juillet, par Rahul Patil

    I am facing issue in ffmpeg while running the below code

    


    I'm working on a Flask application that generates a video by combining a sequence of images from a folder and a synthesized audio track using Bark (suno/bark-small). The idea is to use FFmpeg to stitch the images into a video, apply padding and scaling, and then merge it with the generated audio. I'm triggering the /generate-video endpoint with a simple curl POST request, passing a script that gets converted to audio. While the image and audio processing work as expected, FFmpeg fails during execution, and the server returns a 500 error. I've added error logging to capture FFmpeg’s stderr output, which suggests something is going wrong either with the generated input.txt file or the format of the inputs passed to FFmpeg. I'm not sure if the issue is related to file paths, the concat demuxer formatting, or possibly audio/video duration mismatch. Any insights on how to debug or correct the FFmpeg command would be appreciated.

    


    the curl request is

    


    curl -X POST http://localhost:5000/generate-video \
     -H "Content-Type: application/json" \
     -d '{"script": "Hello, this is a test script to generate a video."}' \
     --output output_video.mp4


    


    import os
import uuid
import subprocess
from pathlib import Path
import numpy as np
from flask import Flask, request, jsonify, send_file
from transformers import AutoProcessor, AutoModelForTextToWaveform
from scipy.io.wavfile import write as write_wav
import torch

# ========== CONFIG ==========
IMAGE_FOLDER = "./images"
OUTPUT_FOLDER = "./output"
RESOLUTION = (1280, 720)
IMAGE_DURATION = 3  # seconds per image
SAMPLE_RATE = 24000

app = Flask(__name__)
os.makedirs(OUTPUT_FOLDER, exist_ok=True)

# Load Bark-small model and processor
device = "cuda" if torch.cuda.is_available() else "cpu"
processor = AutoProcessor.from_pretrained("suno/bark-small")
model = AutoModelForTextToWaveform.from_pretrained("suno/bark-small").to(device)


# ========== UTILS ==========
def run_ffmpeg(cmd):
    result = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
    if result.returncode != 0:
        print("[FFmpeg ERROR]\n", result.stderr.decode())
        raise RuntimeError("FFmpeg failed.")
    else:
        print("[FFmpeg] Success.")


def find_images(folder):
    return sorted([
        f for f in Path(folder).glob("*")
        if f.suffix.lower() in {".jpg", ".jpeg", ".png"}
    ])


def create_ffmpeg_input_list(images, list_file_path):
    with open(list_file_path, "w") as f:
        for img in images:
            f.write(f"file '{img.resolve()}'\n")
            f.write(f"duration {IMAGE_DURATION}\n")
        # Repeat last image to avoid cutoff
        f.write(f"file '{images[-1].resolve()}'\n")


# ========== FLASK ROUTE ==========
@app.route('/generate-video', methods=['POST'])
def generate_video():
    data = request.get_json()
    script = data.get("script")
    if not script:
        return jsonify({"error": "No script provided"}), 400

    images = find_images(IMAGE_FOLDER)
    if not images:
        return jsonify({"error": "No images found in ./images"}), 400

    # Generate audio
    print("[1/3] Generating audio with Bark...")
    inputs = processor(script, return_tensors="pt").to(device)
    with torch.no_grad():
        audio_values = model.generate(**inputs)

    audio_np = audio_values[0].cpu().numpy().squeeze()
    audio_np = np.clip(audio_np, -1.0, 1.0)
    audio_int16 = (audio_np * 32767).astype(np.int16)

    audio_path = os.path.join(OUTPUT_FOLDER, f"{uuid.uuid4()}.wav")
    write_wav(audio_path, SAMPLE_RATE, audio_int16)

    # Create FFmpeg concat file
    print("[2/3] Preparing image list for FFmpeg...")
    list_file = os.path.join(OUTPUT_FOLDER, "input.txt")
    create_ffmpeg_input_list(images, list_file)

    # Final video path
    final_video_path = os.path.join(OUTPUT_FOLDER, f"{uuid.uuid4()}.mp4")

    # Run FFmpeg
    print("[3/3] Running FFmpeg to create video...")
    ffmpeg_cmd = [
        "ffmpeg", "-y",
        "-f", "concat", "-safe", "0", "-i", list_file,
        "-i", audio_path,
        "-vf", f"scale={RESOLUTION[0]}:{RESOLUTION[1]}:force_original_aspect_ratio=decrease,"
               f"pad={RESOLUTION[0]}:{RESOLUTION[1]}:(ow-iw)/2:(oh-ih)/2:color=black",
        "-c:v", "libx264", "-pix_fmt", "yuv420p",
        "-c:a", "aac", "-b:a", "192k",
        "-shortest", "-movflags", "+faststart",
        final_video_path
    ]

    try:
        run_ffmpeg(ffmpeg_cmd)
    except RuntimeError:
        return jsonify({"error": "FFmpeg failed. Check server logs."}), 500

    return send_file(final_video_path, as_attachment=True)


# ========== RUN APP ==========
if __name__ == '__main__':
    app.run(debug=True)


    


  • How to write a video stream to a server ?

    14 août, par The Mask

    Recently been playing with FFmpeg and it's powerful abilities. Working on a cool project where I'm trying to create a live video stream using FFmpeg. The client (reactJs) and server (nodeJS) are connected via web-socket. The client sends the byte packets to server and the server then spawns an FFmpeg process and serve it to an nginx server.

    


    Client(live-stream.js) :

    


    const stream = await navigator.mediaDevices.getUserMedia({
    video: true,
    audio: true,
  });
  videoRef.current.srcObject = stream;

  const ingestUrl = `ws://localhost:8081/ws`
  const socket = new WebSocket(ingestUrl);
  socket.binaryType = "arraybuffer";
  socket.onopen = () => {
    console.log("✅ WebSocket connection established");
    socket.send(JSON.stringify({ type: "start", stream_key: streamKey }));
    mediaRecorderRef.current.start(500);
  };
  socketRef.current = socket;

  socket.onerror = (error) => {
    console.error("❌ WebSocket error:", error);
  };

  mediaRecorderRef.current = new MediaRecorder(stream, {
    mimeType: "video/webm;codecs=vp8,opus",
    videoBitsPerSecond: 1000000,
    audioBitsPerSecond: 128000
  });
  mediaRecorderRef.current.ondataavailable = (event) => {
    if (event.data.size > 0 && socket.readyState === WebSocket.OPEN) {
      event.data.arrayBuffer().then((buffer) => socket.send(buffer));
    }
  };


    


    Server(index.js) :

    


    const http = require('http');
const WebSocket = require('ws');
const { spawn } = require('child_process');
const fs = require('fs');


const server = new WebSocket.Server({ server:wss, path:'/ws'});

const startFFmpeg = (stream_key) => {
  return ffmpeg = spawn("ffmpeg", [
    "-re",
    "-f", "matroska",
    "-i", "pipe:0",
    "-map", "0:v:0",
    "-map", "0:a:0",
    "-c:v", "libx264",
    "-c:a", "aac ",
    "-b:v", "6000k",
    "-maxrate", "6000k ",
    "-bufsize", "6000k ",
    "-pix_fmt", "yuv420p ",
    "-f", "flv",
    `rtmp://localhost/live/${stream_key}`,
  ]);
}
server.on('connection', (ws) => {
  console.log('📡 New WebSocket connection');

  let ffmpeg = null;
  let buffer = Buffer.alloc(0);
  let streamStarted = false;

  ws.on('message', (msg, isBinary) => {
    if (!isBinary) {
      const parsed = JSON.parse(msg);
      if (parsed.type === "start") {
        const { stream_key } = parsed;
        console.log(`🔑 Stream key: ${stream_key}`);
        console.log(`🎥 Starting ingest for stream key: ${stream_key}`);

        ffmpeg = startFFmpeg(stream_key)
        ffmpeg.stdin.on("error", (e) => {
          console.error("FFmpeg stdin error:", e.message);
        });

        ffmpeg.stderr.on("data", (data) => {
          console.log(`FFmpeg Data: ${data}`);
        });

        ffmpeg.on("close", (code) => {
          console.log(`FFmpeg exited with code ${code}`);
        });

        ffmpeg.on("exit", (code, signal) => {
          console.log(`FFmpeg exited with code: ${code}, signal: ${signal}`);
          if (signal === 'SIGSEGV') {
            console.log('🔄 FFmpeg segfaulted, attempting restart...');
            setTimeout(() => {
              if (ws.readyState === WebSocket.OPEN) {
                startFFmpeg(stream_key);
              }
            }, 1000);
          }
        });

        streamStarted = true;
      }
    } else if (isBinary && ffmpeg && ffmpeg.stdin.writable) {
        try {
        // Convert to Buffer if it's an ArrayBuffer
        let data;
        if (msg instanceof ArrayBuffer) {
          data = Buffer.from(msg);
        } else {
          data = Buffer.from(msg);
        }

        // Buffer the data
        buffer = Buffer.concat([buffer, data]);
        
        // Write in larger chunks to reduce overhead
        if (buffer.length >= 8192) { // 8KB threshold
          console.log(`📥 Writing ${buffer.length} bytes to FFmpeg`);
          
          if (ffmpeg.stdin.write(buffer)) {
            buffer = Buffer.alloc(0);
          } else {
            // Handle backpressure
            ffmpeg.stdin.once('drain', () => {
              buffer = Buffer.alloc(0);
              ffmpeg.stdin.setMaxListeners(20); // or a safe upper bound
            });
          }
        }
      } catch (e) {
        console.error("FFmpeg write error:", e);
      }
    }
  });
  
  ws.on('close', () => {
    console.log('❌ WebSocket closed');
    streamStarted = false;

    if (ffmpeg){     // Write any remaining buffer
      if (buffer.length > 0 && ffmpeg.stdin.writable) {
        console.log(`📥 Writing final ${buffer.length} bytes to FFmpeg`);
        ffmpeg.stdin.write(buffer);
      }
            
      // Gracefully close FFmpeg
      if (ffmpeg.stdin.writable) {
        ffmpeg.stdin.end();
      }
      
      setTimeout(() => {
        if (ffmpeg && !ffmpeg.killed) {
          ffmpeg.kill('SIGTERM');
          setTimeout(() => {
            if (ffmpeg && !ffmpeg.killed) {
              ffmpeg.kill('SIGKILL');
            }
          }, 5000);
        }
      }, 1000);
    }
  });
});

wss.listen(8081, "localhost", () => {
  console.log("🛰️ Server listening on http://localhost:8081/ws");
});


    


    The problem statment :
Been facing error like pixels drops in the video, bad quality. FFmpeg is crashing with error :

    


    FFmpeg Data: Input #0, matroska,webm, from 'pipe:0':

FFmpeg Data:   Metadata:
    encoder         : Chrome
  Duration: N/A, start: 0.000000, bitrate: N/A
  Stream #0:0(eng): Audio: opus, 48000 Hz, mono, fltp (default)

FFmpeg Data:   Stream #0:1(eng): Video: vp8, yuv420p(progressive), 640x480, SAR 1:1 DAR 4:3, 
FFmpeg Data: 1k tbr, 1k tbn (default)
    Metadata:
      alpha_mode      : 1

FFmpeg Data: Unknown pixel format requested: yuv420p .

FFmpeg stdin error: write EPIPE
FFmpeg exited with code: 1, signal: null
FFmpeg exited with code 1


    


  • ffmpeg : concat videos and merge with one audio

    15 avril 2020, par yannis_m

    I am trying to concatenate multiple videos priorly reencoded and merge an audio file on top of it all.

    



    I have tried

    



    ffmpeg -y  -i  ../../video_editing_input_dir/part_00.mp4 -i ../../video_editing_input_dir/part_01.mp4 -i ../../video_editing_input_dir/part_02.mp4 -i ../../video_editing_input_dir/part_03.mp4 -i ../../video_editing_input_dir/part_04.mp4 -i ../../video_editing_input_dir/part_05.mp4 -i ../../video_editing_input_dir/part_06.mp4 -i ../../video_editing_input_dir/part_07.mp4 -i ../../video_editing_input_dir/part_08.mp4 -i ../../video_editing_input_dir/part_09.mp4 -i ../../video_editing_input_dir/part_10.mp4 -i ../../video_editing_input_dir/part_11.mp4 -i ../../video_editing_input_dir/new_audio.mp3 -filter_complex " [0:v:0] setsar=1/1 [v0]; [1:v:0] setsar=1/1 [v1]; [2:v:0] setsar=1/1 [v2]; [3:v:0] setsar=1/1 [v3]; [4:v:0] setsar=1/1 [v4]; [5:v:0] setsar=1/1 [v5]; [6:v:0] setsar=1/1 [v6]; [7:v:0] setsar=1/1 [v7]; [8:v:0] setsar=1/1 [v8]; [9:v:0] setsar=1/1 [v9]; [10:v:0] setsar=1/1 [v10]; [11:v:0] setsar=1/1 [v11]; [v0] [v1] [v2] [v3] [v4] [v5] [v6] [v7] [v8] [v9] [v10] [v11] [12:a:0] concat=n=13:v=1:a=1 [v] [a] " -map [v] -map [a] -c:v h264 -pix_fmt yuv420p -c:a aac ../../video_editing_input_dir/tmp_output_video.mp4


    



    ( the setsar=1/1 is mandatory otherwise the concat doesn't work)

    



    And get the following error

    



    ffmpeg version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
  configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  libavutil      55. 78.100 / 55. 78.100
  libavcodec     57.107.100 / 57.107.100
  libavformat    57. 83.100 / 57. 83.100
  libavdevice    57. 10.100 / 57. 10.100
  libavfilter     6.107.100 /  6.107.100
  libavresample   3.  7.  0 /  3.  7.  0
  libswscale      4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc    54.  7.100 / 54.  7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '../../video_editing_input_dir/part_00.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:00.27, start: 0.000000, bitrate: 74 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 29 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '../../video_editing_input_dir/part_01.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:03.02, start: 0.000000, bitrate: 29 kb/s
    Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 17 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #2, mov,mp4,m4a,3gp,3g2,mj2, from '../../video_editing_input_dir/part_02.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:00.27, start: 0.000000, bitrate: 74 kb/s
    Stream #2:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 29 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #2:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #3, mov,mp4,m4a,3gp,3g2,mj2, from '../../video_editing_input_dir/part_03.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:01.02, start: 0.000000, bitrate: 29 kb/s
    Stream #3:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 10 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #3:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #4, mov,mp4,m4a,3gp,3g2,mj2, from '../../video_editing_input_dir/part_04.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:03.02, start: 0.000000, bitrate: 62 kb/s
    Stream #4:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 2813:2814 DAR 22504:12663], 50 kb/s, SAR 5625:5627 DAR 10000:5627, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #4:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #5, mov,mp4,m4a,3gp,3g2,mj2, from '../../video_editing_input_dir/part_05.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:00.27, start: 0.000000, bitrate: 74 kb/s
    Stream #5:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 29 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #5:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #6, mov,mp4,m4a,3gp,3g2,mj2, from '../../video_editing_input_dir/part_06.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:00.27, start: 0.000000, bitrate: 74 kb/s
    Stream #6:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 29 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #6:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #7, mov,mp4,m4a,3gp,3g2,mj2, from '../../video_editing_input_dir/part_07.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:06.82, start: 0.000000, bitrate: 600 kb/s
    Stream #7:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 465 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #7:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #8, mov,mp4,m4a,3gp,3g2,mj2, from '../../video_editing_input_dir/part_08.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:00.27, start: 0.000000, bitrate: 74 kb/s
    Stream #8:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 29 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #8:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #9, mov,mp4,m4a,3gp,3g2,mj2, from '../../video_editing_input_dir/part_09.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:00.27, start: 0.000000, bitrate: 74 kb/s
    Stream #9:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 29 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #9:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #10, mov,mp4,m4a,3gp,3g2,mj2, from '../../video_editing_input_dir/part_10.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:03.02, start: 0.000000, bitrate: 33 kb/s
    Stream #10:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 21 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #10:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #11, mov,mp4,m4a,3gp,3g2,mj2, from '../../video_editing_input_dir/part_11.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:00.27, start: 0.000000, bitrate: 74 kb/s
    Stream #11:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 29 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #11:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #12, mp3, from '../../video_editing_input_dir/new_audio.mp3':
  Metadata:
    encoder         : Lavf57.83.100
  Duration: 00:00:18.89, start: 0.025057, bitrate: 128 kb/s
    Stream #12:0: Audio: mp3, 44100 Hz, stereo, s16p, 128 kb/s
    Metadata:
      encoder         : Lavc57.10
[Parsed_setsar_1 @ 0x56545b465880] Media type mismatch between the 'Parsed_setsar_1' filter output pad 0 (video) and the 'Parsed_concat_12' filter input pad 1 (audio)
[AVFilterGraph @ 0x56545b66ad40] Cannot create the link setsar:0 -> concat:1
Error initializing complex filters.
Invalid argument


    



    I am in this kind of situation but am willing to use only one audio file.

    



    Any idea ?

    



    Thanks in advance

    


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