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Les autorisations surchargées par les plugins
27 avril 2010, parMediaspip core
autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs -
HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...) -
Support audio et vidéo HTML5
10 avril 2011MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)
Sur d’autres sites (11657)
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bash loop through list of file paths - characters get removed when sending to ffmpeg [duplicate]
9 octobre 2018, par Brad JohnsonThis question already has an answer here :
I have a text file that contains a list of paths to flac files I want to convert to wav. Here is a small section of it :
/mnt/nfs/Music/Rob D/1995 - Clubbed To Death/Rob D - 02 - Clubbed To Death _Kurayamino Variation_.flac
/mnt/nfs/Music/Blonde Redhead/2000 - Melody of Certain Damaged Lemons/11 - For the Damaged Coda.flac
/mnt/nfs/Music/I Monster/2001 - Daydream In Blue/01 - Daydream In Blue.flac
/mnt/nfs/Music/Moby/2002 - Extreme Ways/01 - Extreme Ways.flac
/mnt/nfs/Music/RJD2/2002 - Deadringer/01 - The Horror.flac
/mnt/nfs/Music/RJD2/2002 - Deadringer/03 - Smoke & Mirrors.flac
/mnt/nfs/Music/RJD2/2002 - Deadringer/06 - Ghostwriter.flac
/mnt/nfs/Music/RJD2/2002 - Deadringer/10 - Chicken-Bone Circuit.flac
/mnt/nfs/Music/FC Kahuna/2003 - Hayling/01 - Hayling _Original_.flac
/mnt/nfs/Music/Lamb/2003 - Between Darkness and Wonder/04 - Angelica.flacI’m trying to loop through it like so :
while read -r line; do
wavfile=$(basename "$line")
wavfile="${wavfile%.*}"
ffmpeg -i "$line" "$2/$wavfile.wav"
done <$1...where $1 is where I would pass the name of the text file and $2 is the destination directory.
Here is the output with the irrelevant ffmpeg junk pruned out :
Input #0, flac, from '/mnt/nfs/Music/Rob D/1995 - Clubbed To Death/Rob D - 02 - Clubbed To Death _Kurayamino Variation_.flac':
...
Output #0, wav, to '/mnt/gray/Clubbed To Death/Rob D - 02 - Clubbed To Death _Kurayamino Variation_.wav':
...
/nfs/Music/Blonde Redhead/2000 - Melody of Certain Damaged Lemons/11 - For the Damaged Coda.flac: No such file or directory
...
Input #0, flac, from '/mnt/nfs/Music/I Monster/2001 - Daydream In Blue/01 - Daydream In Blue.flac':
...
Output #0, wav, to '/mnt/gray/Clubbed To Death/01 - Daydream In Blue.wav':
...
nt/nfs/Music/Moby/2002 - Extreme Ways/01 - Extreme Ways.flac: No such file or directory
...
Input #0, flac, from '/mnt/nfs/Music/RJD2/2002 - Deadringer/01 - The Horror.flac':
...
Output #0, wav, to '/mnt/gray/Clubbed To Death/01 - The Horror.wav':
...
nt/nfs/Music/RJD2/2002 - Deadringer/03 - Smoke & Mirrors.flac: No such file or directory
...
Input #0, flac, from '/mnt/nfs/Music/RJD2/2002 - Deadringer/06 - Ghostwriter.flac':
...
Output #0, wav, to '/mnt/gray/Clubbed To Death/06 - Ghostwriter.wav':
...
nt/nfs/Music/RJD2/2002 - Deadringer/10 - Chicken-Bone Circuit.flac: No such file or directory
...
Input #0, flac, from '/mnt/nfs/Music/FC Kahuna/2003 - Hayling/01 - Hayling _Original_.flac':
...
Output #0, wav, to '/mnt/gray/Clubbed To Death/01 - Hayling _Original_.wav':
...
/nfs/Music/Lamb/2003 - Between Darkness and Wonder/04 - Angelica.flac: No such file or directoryIf you pay attention to the paths that ffmpeg reports don’t exist, you’ll see that a seemingly random number of characters has been removed from the beginning. This appears to happen on even numbered lines, but odd numbered lines work. I can only reproduce this behavior when using ffmpeg. If I replace the ffmpeg line with a simple echo statement, every file path is shown to be correct. How can this be ?
Other suggestions of accomplishing this are also welcome, however I do need the files processed in the order by which I have them listed in the file.
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Urgent Help Needed : FFmpeg Integration in .NET MAUI for Android [closed]
15 juin 2024, par Billy VanegasI'm currently facing a significant challenge with integrating FFmpeg into my .NET MAUI project for Android. While everything works smoothly on Windows with Visual Studio 2022, I'm having a hard time replicating this on the Android platform. Despite exploring various NuGet packages like FFMpegCore, which appear to be wrappers around FFmpeg but don't include FFmpeg itself, I'm still at a loss.


I've tried following the instructions for integrating ffmpeg-kit for Android, but I keep running into issues, resulting in repeated failures and growing confusion. It feels like there is no straightforward way to seamlessly incorporate FFmpeg into a .NET MAUI project that works consistently across both iOS and Android.


The Problem :


I need to convert MP3 files to WAV format using FFmpeg on the Android platform within a .NET MAUI project. I’m using the FFMpegCore library and have downloaded the FFmpeg binaries from the official FFmpeg website.


However, when attempting to use these binaries on an Android emulator, I encounter a permission denied error in the working directory :
/data/user/0/com.companyname.projectname/files/ffmpeg

Here’s the code snippet where the issue occurs :


await FFMpegArguments
 .FromFileInput(mp3Path)
 .OutputToFile(wavPath, true, options => options
 .WithAudioCodec("pcm_s16le")
 .WithAudioSamplingRate(44100)
 .WithAudioBitrate(320000)
 )
 .ProcessAsynchronously();
 


Additional Details :


I've updated AndroidManifest.xml with permissions, but the issue persists.


I've created a method ConvertMp3ToWav to handle the conversion.
I also have a method ExtractFFmpegBinaries to manage FFmpeg binaries extraction, but it seems the permission issue might be tied to how these binaries are accessed or executed.


AndroidManifest.xml :


<?xml version="1.0" encoding="utf-8"?>
<manifest>
 <application></application>
 
 
 
 
</manifest>


Method ConvertMp3ToWav :


private async Task ConvertMp3ToWav(string mp3Path, string wavPath)
{
 try
 {
 // Check directory and create if not exists
 var directory = Path.GetDirectoryName(wavPath);
 if (!Directory.Exists(directory))
 Directory.CreateDirectory(directory!);

 // Check if WAV file exists
 if (!File.Exists(wavPath))
 Console.WriteLine($"File not found {wavPath}, creating empty file.");
 using var fs = new FileStream(wavPath, FileMode.CreateNew);

 // Check if MP3 file exists
 if (!File.Exists(mp3Path))
 Console.WriteLine($"File not found {mp3Path}");

 // Extract FFmpeg binaries
 string? ffmpegBinaryPath = await ExtractFFmpegBinaries(Platform.AppContext);

 // Configure FFmpeg options
 FFMpegCore.GlobalFFOptions.Configure(new FFOptions { BinaryFolder = Path.GetDirectoryName(ffmpegBinaryPath!)! });

 // Convert MP3 to WAV
 await FFMpegArguments
 .FromFileInput(mp3Path)
 .OutputToFile(wavPath, true, options => options
 .WithAudioCodec("pcm_s16le")
 .WithAudioSamplingRate(44100)
 .WithAudioBitrate(320000)
 )
 .ProcessAsynchronously();
 }
 catch (Exception ex)
 {
 Console.WriteLine($"An error occurred during the conversion process: {ex.Message}");
 throw;
 }
}


Method ExtractFFmpegBinaries :


private async Task<string> ExtractFFmpegBinaries(Context context)
{
 var architectureFolder = "x86"; // Adjust according to device architecture
 var ffmpegBinaryName = "ffmpeg"; 
 var ffmpegBinaryPath = Path.Combine(context.FilesDir!.AbsolutePath, ffmpegBinaryName);
 var tempFFMpegFileName = Path.Combine(FileSystem.AppDataDirectory, ffmpegBinaryName);

 if (!File.Exists(ffmpegBinaryPath))
 {
 try
 {
 var assetPath = $"Libs/{architectureFolder}/{ffmpegBinaryName}";
 using var assetStream = context.Assets!.Open(assetPath);
 
 await using var tempFFMpegFile = File.OpenWrite(tempFFMpegFileName);
 await assetStream.CopyToAsync(tempFFMpegFile);

 // Adjust permissions for FFmpeg binary
 Java.Lang.Runtime.GetRuntime()!.Exec($"chmod 755 {tempFFMpegFileName}");
 }
 catch (Exception ex)
 {
 Console.WriteLine($"An error occurred while extracting FFmpeg binaries: {ex.Message}");
 throw;
 }
 }
 else
 {
 Console.WriteLine($"FFmpeg binaries already extracted to: {ffmpegBinaryPath}");
 }

 return tempFFMpegFileName!;
}
</string>

What I Need :


I urgently need guidance on how to correctly integrate and use FFmpeg in my .NET MAUI project for Android. Specifically :


How to properly set up and configure FFmpeg binaries for use on Android within a .NET MAUI project.
How to resolve the permission denied issue when attempting to execute FFmpeg binaries.


Any advice, solutions, or workarounds would be greatly appreciated as this is a critical part of my project and I'm running out of time to resolve it.


Thank you in advance for your help !


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