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• How to merge two videos using ffmpeg.so file in android project [on hold]

  26 septembre 2016, par Shahzeb

  I have created an android app in android studio.

  This app selects a video file from gallery.

  Now, I want to merge two videos, that the user selects from gallery, into one video and use it in my app.

  Should I use ffmpeg.so lib, if so how can I use that ? I am open to any other suggestions.

• FFMPEG command is not Working when set project's target SDK version 29(Android Q issue)

  1er juin 2020, par SAVALIYA REENA

  I am using the FFMPEG library to get a watermark stamp on video. It is working like charm in all versions when my project's target SDK version is 28 but when i set target sdk version 29, It gives me below exception.

  



  E/FFmpeg : Exception while trying to run : [Ljava.lang.java.io.IOException : Cannot "/data/user/0/com.videowatermark.addtextandtimestampongalleryvideos/files/ffmpeg" : error=13, Permission denied

  



  Caused by : java.io.IOException : error=13, Permission denied at java.lang.UNIXProcess.forkAndExec(Native Method) at java.lang.UNIXProcess.(UNIXProcess.java:133) at java.lang.ProcessImpl.start(ProcessImpl.java:141) at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029) at java.lang.Runtime.exec(Runtime.java:698) at java.lang.Runtime.exec(Runtime.java:563) at com.github.hiteshsondhi88.libffmpeg.ShellCommand.run(ShellCommand.java:10) at com.github.hiteshsondhi88.libffmpeg.FFmpegExecuteAsyncTask.doInBackground(FFmpegExecuteAsyncTask.java:38) at com.github.hiteshsondhi88.libffmpeg.FFmpegExecuteAsyncTask.doInBackground(FFmpegExecuteAsyncTask.java:10) at android.os.AsyncTask$3.call(AsyncTask.java:378) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:289) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) at java.lang.Thread.run(Thread.java:919)

  



  //show this error

  


• Error : bad memory at /opt/render/project/src/node_modules/@ffmpeg.wasm/core-mt/dist/core.js:15:1

  1er octobre 2023, par James

  While deploying nodejs app on render.com i get this error Error : bad memory at /opt/render/project/src/node_modules/@ffmpeg.wasm/core-mt/dist/core.js:15:1.

  


  how to avoid this error i am using ffmpeg for merging audio with video.

  


  full error

  


   /opt/render/project/src/node_modules/@ffmpeg.wasm/core-mt/dist/core.js:15&#xA;Oct 1 04:53:37 PM  Error("bad memory");var Aa=z.buffer;e.HEAP8=A=new Int8Array(Aa);e.HEAP16=C=new Int16Array(Aa);e.HEAP32=E=new Int32Array(Aa);e.HEAPU8=B=new Uint8Array(Aa);e.HEAPU16=wa=new Uint16Array(Aa);e.HEAPU32=F=new Uint32Array(Aa);e.HEAPF32=xa=new Float32Array(Aa);e.HEAPF64=ya=new Float64Array(Aa);za=z.buffer.byteLength;var H,Ba=[],Ca=[],Da=[],Ea=[],Fa=[],Ga=!1,Ha=0;function Ia(){return noExitRuntime||0opt/render/project/src/node_modules/@ffmpeg.wasm/core-mt/dist/core.js:15:1&#xA;Oct 1 04:53:37 PM      at Function.<anonymous> (/opt/render/project/src/node_modules/@ffmpeg.wasm/main/dist/index.js:165:64)&#xA;Oct 1 04:53:37 PM      at Generator.next (<anonymous>)&#xA;Oct 1 04:53:37 PM      at fulfilled (/opt/render/project/src/node_modules/@ffmpeg.wasm/main/dist/index.js:28:22)&#xA;</anonymous></anonymous>

  


  my code

  


  import express from "express";
const router = express.Router();
import { readFile, writeFile } from "fs/promises";
import { FFmpeg } from "@ffmpeg.wasm/main";
import path from "path";

const currentDirectory = process.cwd();

const inputFilePath = path.join(currentDirectory, "video3.mp4");
const inputFilePath1 = path.join(currentDirectory, "wolf-howl-6310.mp3");
const outputFilePath = path.join(currentDirectory, "video3-2.mp4");

const ffmpeg = await FFmpeg.create({ core: "@ffmpeg.wasm/core-mt", log: true });

try {
  ffmpeg.fs.writeFile("/video3.mp4", await readFile(inputFilePath));
  ffmpeg.fs.writeFile("/wolf-howl-6310.mp3", await readFile(inputFilePath1));
  console.log(ffmpeg.version);
  await ffmpeg.run(
    "-i",
    "/wolf-howl-6310.mp3",
    "-i",
    "/video3.mp4",
    "-c",
    "copy",
    "-map",
    "0:a:0",
    "-map",
    "1:v:0",
    "/video3-2.mp4"
  );
  await writeFile(outputFilePath, ffmpeg.fs.readFile("/video3-2.mp4"));
  console.log("Conversion successful!");
} catch (error) {
  console.error("Error:", error);
}

router.post("/", (req, res) => {});
export { router as Merge };