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Flutter error in Ffmpeg, "Unhandled Exception : ProcessException : No such file or directory" in macOS desktop version
19 avril, par pratik vekariyaI'm trying video trim video using ffmpeg, for macOS desktop application.


I have downloaded ffmpeg from here for macOS.


Here is my code


String mainPath = 'Users/apple/Workspace/User/2024/Project/videoapp/build/macos/Build/Products/Debug/';
 mainPath = mainPath.substring(0, mainPath.lastIndexOf("/"));
 
 Directory directoryExe3 = Directory("$mainPath");
 var dbPath = path.join(directoryExe3.path,
 "App.framework/Resources/flutter_assets/assets/ffmpeg/ffmpegmacos");
//here in "Products/Debug/" folder desktop app will generate

//directoryExe3 path will be, Users/apple/Workspace/User/2024/Project/videoapp/build/macos/Build/Products/Debug

//and dbPath will be, Users/apple/Workspace/User/2024/Project/videoapp/build/macos/Build/Products/Debug/App.framework/Resources/flutter_assets/assets/ffmpeg/ffmpegmacos

//so when app will run it can access it from this path

//executable code, command for ffmpeg

String transpose_str += "crop=" +
 out_w.toInt().toString() +
 ":" +
 out_h.toInt().toString() +
 ":" +
 x!.toInt().toString() +
 ":" +
 y!.toInt().toString() +
 ",";
 transpose_str += "scale=960:192";

Future<processresult> result_ = Process.run(dbPath, [
 "-ss",
 timestamp,
 "-i",
 inputFilePath,
 "-t",
 endTime,
 "-vf",
 transpose_str,
 "-an",
 "./temp.mp4",
 ]); 
</processresult>

Now when I run this in macOS desktop verison, it gives me error at Process.run that in dbPath, Unhandled Exception : ProcessException : No such file or directory.


Any help would be appreciate !


when i run this as desktop version it should get file from assets.


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Apache Tika 2.0.9 programm ffmpeg and exiftool not found ?
6 avril, par mj44I use an JavaFX Maven Project to use Apache Tika Version 2.9.0.
The Java Test program will be finished and all methods that I create will done right.
I have in the log file a lot of DEBUG errors and Idon't know why ?
I habe spent many hours to clear the problem.


Here's an excerpt of the logfile


2024-04-03 14:56:12 [main] DEBUG org.apache.tika.parser.external.ExternalParser - exception trying to run ffmpeg
java.io.IOException: Cannot run program "ffmpeg": CreateProcess error=2, Das System kann die angegebene Datei nicht finden
 at java.lang.ProcessBuilder.start(ProcessBuilder.java:1140) ~[?:?]
 at java.lang.ProcessBuilder.start(ProcessBuilder.java:1074) ~[?:?]
...
2024-04-03 14:56:12 [main] DEBUG org.apache.tika.parser.external.ExternalParser - exception trying to run exiftool
java.io.IOException: Cannot run program "exiftool": CreateProcess error=2, Das System kann die angegebene Datei nicht finden
 at java.lang.ProcessBuilder.start(ProcessBuilder.java:1140) ~[?:?]
 at java.lang.ProcessBuilder.start(ProcessBuilder.java:1074) ~[?:?]
...



The message says that ffmpeg and exiftool are not found.


This is my tika-config.xml


<?xml version="1.0" encoding="UTF-8"?>
<properties>
 <parsers>
 <parser class="org.apache.tika.parser.DefaultParser"></parser>
 <parser class="org.apache.tika.parser.pdf.PDFParser"></parser>
 
 <parser class="org.apache.tika.parser.external.ExternalParser">
 <params>
 true
 
 "D:\Tools\ffmpeg-6.1.1\bin\ffmpeg.exe"
 </params>
 </parser>
 
 <parser class="org.apache.tika.parser.external.ExternalParser">
 <params>
 true
 
 "D:\Tools\exiftool.exe"
 </params>
 </parser>
 </parsers>
 <detector>
 <detector class="org.apache.tika.detect.DefaultDetector"></detector>
 </detector>
</properties>


I tested the path of the programms in a console ant it worked fine ?
I don't know what I can do now ?


Thanks for Help


I have downloaded new copies of the ffmpeg and exiftool and installed them.
I tested it in a console to run and both tools work fine.
I tested the permissions, no problems with permissions
I tested that the tika-config.xml will be loaded, it loaded.


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Struggling to add subtitles to a video using FFMPEG and C#
19 mars, par MattHodsonI'm trying to add subtitles to my videos, 100% with code using FFMPEG and C#.


But I'm getting the following error :




ffmpeg version 2024-02-04-git-7375a6ca7b-essentials_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers
built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
configuration : —enable-gpl —enable-version3 —enable-static —pkg-config=pkgconf —disable-w32threads —disable-autodetect —enable-fontconfig —enable-iconv —enable-gnutls —enable-libxml2 —enable-gmp —enable-bzlib —enable-lzma —enable-zlib —enable-libsrt —enable-libssh —enable-libzmq —enable-avisynth —enable-sdl2 —enable-libwebp —enable-libx264 —enable-libx265 —enable-libxvid —enable-libaom —enable-libopenjpeg —enable-libvpx —enable-mediafoundation —enable-libass —enable-libfreetype —enable-libfribidi —enable-libharfbuzz —enable-libvidstab —enable-libvmaf —enable-libzimg —enable-amf —enable-cuda-llvm —enable-cuvid —enable-ffnvcodec —enable-nvdec —enable-nvenc —enable-dxva2 —enable-d3d11va —enable-libvpl —enable-libgme —enable-libopenmpt —enable-libopencore-amrwb —enable-libmp3lame —enable-libtheora —enable-libvo-amrwbenc —enable-libgsm —enable-libopencore-amrnb —enable-libopus —enable-libspeex —enable-libvorbis —enable-librubberband
libavutil 58. 36.101 / 58. 36.101
libavcodec 60. 38.100 / 60. 38.100
libavformat 60. 20.100 / 60. 20.100
libavdevice 60. 4.100 / 60. 4.100
libavfilter 9. 17.100 / 9. 17.100
libswscale 7. 6.100 / 7. 6.100
libswresample 4. 13.100 / 4. 13.100
libpostproc 57. 4.100 / 57. 4.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C :\Users\Gamer\source\repos\XXXX\bin\Debug\net8.0\ce31c8ab-4b53-44e8-9e25-d02ba5466144\output.mp4' :
Metadata :
major_brand : isom
minor_version : 512
compatible_brands : isomiso2avc1mp41
encoder : Lavf60.20.100
Duration : 00:03:18.84, start : 0.000000, bitrate : 101 kb/s
Stream #0:00x1 : Video : h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1024x1792, 26 kb/s, 1 fps, 1 tbr, 16384 tbn (default)
Metadata :
handler_name : VideoHandler
vendor_id : [0][0][0][0]
encoder : Lavc60.38.100 libx264
Stream #0:10x2 : Audio : aac (LC) (mp4a / 0x6134706D), 24000 Hz, mono, fltp, 74 kb/s (default)
Metadata :
handler_name : SoundHandler
vendor_id : [0][0][0][0]
[Parsed_subtitles_0 @ 000001a87404e3c0] Unable to parse option value "UsersGamersourcereposXXXXbinDebugnet8.0ce31c8ab-4b53-44e8-9e25-d02ba5466144output.srt" as image size
Error applying option 'original_size' to filter 'subtitles' : Invalid argument
[vost#0:0/libx264 @ 000001a874064a40] Error initializing a simple filtergraph
Error opening output file C :\Users\Gamer\source\repos\XXXX\bin\Debug\net8.0\ce31c8ab-4b53-44e8-9e25-d02ba5466144\videoWithSubtitles.mp4.
Error opening output files : Invalid argument




It seems to be something related to paths, but I have tried EVERYTHING in my knowledge to fix this, still no luck... spent the majority of the day on it, no luck... so StackOverflow here I come !


My code :


public static async Task AddSubtitlesToVideoAsync(string videoPath, string subtitlesPath, string outputPath)
 {
 if (File.Exists(videoPath) && File.Exists(subtitlesPath))
 {
 //string subtitlesPathForwardSlashes = subtitlesPath.Replace("\\", "/");
 //string ffmpegCommand = $"-i \"{videoPath}\" -filter_complex \"subtitles='{subtitlesPathForwardSlashes}'\" \"{outputPath}\"";
 //string ffmpegCommand = $"-i \"{videoPath}\" -vf subtitles={subtitlesPathForwardSlashes} \"{outputPath}\"";
 //string ffmpegCommand = $"-i \"{videoPath}\" -vf subtitles=\"{subtitlesPath}\" \"{outputPath}\"";
 string subtitlesPathEscaped = subtitlesPath.Replace("\\", "\\\\");
 string ffmpegCommand = $"-i \"{videoPath}\" -vf subtitles=\"{subtitlesPathEscaped}\" \"{outputPath}\"";


 //output -i C:\Users\Gamer\source\repos\XXXX\bin\Debug\net8.0\d745a08d-b932-47ac-a81c-45e9483590a7\output.mp4 -vf subtitles="C:/Users/Gamer/source/repos/XXXX/bin/Debug/net8.0/d745a08d-b932-47ac-a81c-45e9483590a7/generatedSubtitles.srt" C:\Users\Gamer\source\repos\XXXX\bin\Debug\net8.0\d745a08d-b932-47ac-a81c-45e9483590a7\videoWithSubtitles.mp4
 await ExecuteSubtitleCommandAsync(ffmpegCommand);
 }
 else
 {
 Console.WriteLine("Files can't be found.");
 }
 }

 public static async Task ExecuteSubtitleCommandAsync(string arguments)
 {
 string ffmpegExecutablePath = ffmpegRoot;
 var startInfo = new ProcessStartInfo(ffmpegExecutablePath, arguments)
 {
 CreateNoWindow = true,
 UseShellExecute = false,
 RedirectStandardOutput = true,
 RedirectStandardError = true
 };

 using (var process = new Process { StartInfo = startInfo })
 {
 process.EnableRaisingEvents = true; // Enable the Exited event.
 process.Exited += (sender, e) =>
 {
 Console.WriteLine($"FFmpeg process exited with code {process.ExitCode}.");
 };

 try
 {
 process.Start();
 // Asynchronously read the standard output and standard error of the process
 var outputTask = process.StandardOutput.ReadToEndAsync();
 var errorTask = process.StandardError.ReadToEndAsync();
 // Wait for both asynchronous tasks to complete
 await Task.WhenAll(outputTask, errorTask);

 var output = await outputTask;
 var error = await errorTask;

 if (!string.IsNullOrEmpty(error))
 {
 Console.WriteLine("FFmpeg error: " + error);
 }
 else
 {
 Console.WriteLine("FFmpeg process completed successfully.");
 }
 }
 catch (Exception ex)
 {
 Console.WriteLine("Error: " + ex.Message);
 }
 finally
 {
 // Wait for the process to exit if it hasn't already.
 if (!process.HasExited)
 {
 process.WaitForExit();
 }
 }
 }
 }


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