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Rennes Emotion Map 2010-11
19 octobre 2011, par
Mis à jour : Juillet 2013
Langue : français
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Mis à jour : Septembre 2011
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Autres articles (48)
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Submit bugs and patches
13 avril 2011Unfortunately a software is never perfect.
If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
You may also (...) -
Contribute to translation
13 avril 2011You can help us to improve the language used in the software interface to make MediaSPIP more accessible and user-friendly. You can also translate the interface into any language that allows it to spread to new linguistic communities.
To do this, we use the translation interface of SPIP where the all the language modules of MediaSPIP are available. Just subscribe to the mailing list and request further informantion on translation.
MediaSPIP is currently available in French and English (...) -
MediaSPIP v0.2
21 juin 2013, parMediaSPIP 0.2 is the first MediaSPIP stable release.
Its official release date is June 21, 2013 and is announced here.
The zip file provided here only contains the sources of MediaSPIP in its standalone version.
To get a working installation, you must manually install all-software dependencies on the server.
If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)
Sur d’autres sites (6611)
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ffmpeg : fast video split by encoding only missing keyframes and copying the rest
29 janvier 2023, par Eduardo PoçoI am splitting a video in many files, removing the silent periods. The script is ready to detect the voiced parts, split and concat.


At first, it thought copying the frames (-c copy) would be faster, but if a starting time of a part is not a keyframe, the video gets messed and some frames freeze until another keyframe appears. But reencoding each split file, although working, takes a long time.


So, I was wondering if it is possible to reencode only the moments whose frames lost its keyframe, while copying everything so on. Is there a ffmpeg option for suck a task, or is there a way to differentiate those frames and treat them differently when splitting the file ?


After reading some articles and documentation, that is how I understand what I am observing. Please, correct me if I misunderstood how ffmpeg works when splitting a file starting from a timestamp without a keyframe.


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How to split ffmpeg output into multiple files ?
15 novembre 2020, par Genius BillionaireWhat I want to happen : the equivalent of this :
split -n 4 output.mp4, which generates 4 files. Only the first file is "valid mp4" that you can play. The other 3 files rely on the previous file.

A similar request can be seen here : https://lists.ffmpeg.org/pipermail/ffmpeg-user/2013-May/015090.html


Why I want this to happen : running FFMPEG in the browser, which means 1) file size limit, 2) I don't have the Linux command
splitto help me out, just FFMPEG. If I can get FFMPEG to output files of X MB each, I can iteratively delete files as soon as I've read them.

EDIT : as a commenter asked, yes it is possible to run several ffmpeg commands if necessary.


The right solution is not using segments. The following example command generates several 4 valid mp4 files. That's not exactly what I want.

ffmpeg -i ../flv.flv -segment_time 5 -f segment -t 20 %d.mp4

This other solution also does not work (it's the same output as previous incorrect solution) :


ffmpeg -i ../flv.flv -ss 00:00:00 -t 5 1.mp4

ffmpeg -i ../flv.flv -ss 00:00:05 -t 5 2.mp4

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Unable to split audio using easy_audio_trimmer
27 juillet 2023, par Sana Wasimcan we use the easy_audio_trimmer package to split an audio ? I tried using the ffmpeg but it is conflicting with the above package and not work.


I tried splitting by using these functions and it gave an error at the FlutterFFmpeg() method and i cant find an alternative also the duration(filePath) in the command final durationResult = await flutterSound.duration(filePath) ; shows an error


Future<void> _splitAudio() async {
 setState(() {
 _progressVisibility = true;
 });

 // Get the application documents directory
 final appDocumentsDirectory = await getApplicationDocumentsDirectory();

 // Get the input audio file path
 final inputAudioPath = widget.file.path;

 // Get the output file names for the two parts
 final outputFileName1 = 'split_audio_part1.mp3';
 final outputFileName2 = 'split_audio_part2.mp3';

 // Get the output file paths for the two parts
 final outputPath1 = '${appDocumentsDirectory.path}/$outputFileName1';
 final outputPath2 = '${appDocumentsDirectory.path}/$outputFileName2';

 // Calculate the duration of the original audio
 final originalDuration = await _getAudioDuration(inputAudioPath);

 // Calculate the durations of the two parts
 final part1Duration = _startValue;
 final part2Duration = originalDuration - _endValue;

 // Construct the FFmpeg command to split the audio
 final ffmpeg = FlutterFFmpeg();
 final splitCommand = '-i $inputAudioPath -ss 0 -t $part1Duration -c copy $outputPath1 -ss $_endValue -t $part2Duration -c copy $outputPath2';

 try {
 // Execute the FFmpeg command to split the audio
 final int result = await ffmpeg.execute(splitCommand);

 if (result == 0) {
 setState(() {
 _progressVisibility = false;
 });
 debugPrint('Audio split successfully.');
 } else {
 setState(() {
 _progressVisibility = false;
 });
 debugPrint('Failed to split audio.');
 }
 } catch (error) {
 setState(() {
 _progressVisibility = false;
 });
 debugPrint('Error while splitting audio: $error');
 }
 }

 Future<int> _getAudioDuration(String filePath) async {
 final flutterSound = FlutterSound();
 final durationResult = await flutterSound.duration(filePath);
 return durationResult.inMilliseconds;
 }
</int></void>

Dependencies


path_provider: ^2.0.15
 ffmpeg_kit_flutter: ^5.1.0
 audioplayers: ^4.1.0
 flutter_sound: ^9.2.13


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