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Richard Stallman et le logiciel libre
19 octobre 2011, par
Mis à jour : Mai 2013
Langue : français
Type : Texte
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Stereo master soundtrack
17 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Audio
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Elephants Dream - Cover of the soundtrack
17 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
Type : Image
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#7 Ambience
16 octobre 2011, par
Mis à jour : Juin 2015
Langue : English
Type : Audio
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#6 Teaser Music
16 octobre 2011, par
Mis à jour : Février 2013
Langue : English
Type : Audio
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#5 End Title
16 octobre 2011, par
Mis à jour : Février 2013
Langue : English
Type : Audio
Autres articles (34)
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21 avril 2011, parComme les documents de type "audio", Mediaspip affiche dans la mesure du possible les vidéos grâce à la balise html5 .
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Son avantage principal quant à lui est de bénéficier de la prise en charge native de vidéos dans les navigateur et donc de se passer de l’utilisation de Flash et (...) -
Websites made with MediaSPIP
2 mai 2011, parThis page lists some websites based on MediaSPIP.
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Possibilité de déploiement en ferme
12 avril 2011, parMediaSPIP peut être installé comme une ferme, avec un seul "noyau" hébergé sur un serveur dédié et utilisé par une multitude de sites différents.
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Sur d’autres sites (3725)
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How to add subtitles using FFmpeg-kit ?
17 novembre 2024, par Mohammed BekeleI'm running a Flutter app with Ffmpeg-kit package to burn a subtitle on a video. I have a words list with the timings and map that to generate an srt and ass file, but when executing this it didn't work.


Firstly, here is how I generated the Ass file.


Future<string> _createAssFile() async {
 String filePath = await getAssOutputFilePath();

 final file = File(filePath);
 final buffer = StringBuffer();

 // Write ASS headers
 buffer.writeln('[Script Info]');
 buffer.writeln('Title: Generated ASS');
 buffer.writeln('ScriptType: v4.00+');
 buffer.writeln('Collisions: Normal');
 buffer.writeln('PlayDepth: 0');
 buffer.writeln('Timer: 100,0000');
 buffer.writeln('[V4+ Styles]');
 buffer.writeln(
 'Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding');
 buffer.writeln(
 'Style: Default,Arial,40,&H00FFFFFF,&H000000FF,&H00000000,&H80000000,1,1,1,1,100,100,0,0,1,1,1,2,10,10,10,1');
 buffer.writeln('[Events]');
 buffer.writeln(
 'Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text');

 // Write events (subtitles)
 for (int i = 0; i < widget.words.length; i++) {
 final word = widget.words[i];
 final startTime = _formatAssTime(word['startTime'].toDouble());
 final endTime = _formatAssTime(word['endTime'].toDouble());
 final text = word['word'];

 buffer.writeln('Dialogue: 0,$startTime,$endTime,Default,,0,0,0,,$text');
 }

 await file.writeAsString(buffer.toString());
 return filePath;
 }

 String _formatAssTime(double seconds) {
 final int hours = seconds ~/ 3600;
 final int minutes = ((seconds % 3600) ~/ 60);
 final int secs = (seconds % 60).toInt();
 final int millis = ((seconds - secs) * 1000).toInt() % 1000;

 return '${hours.toString().padLeft(1, '0')}:${minutes.toString().padLeft(2, '0')}:${secs.toString().padLeft(2, '0')}.${(millis ~/ 10).toString().padLeft(2, '0')}';
 }
</string>

Then I used this command which was the official way of adding ass file to a video.


String newCmd = "-i $videoPath -vf ass=$assFilePath -c:a copy $_outputPath";


Yet when executing this command it did not work. However I changed it to this command


String newCmd = "-i $videoPath -i $assFilePath $_outputPath";


Well, that code works but the styling is not being applied. So I tried yet another command to filter and position the ass file.


String newCmd = "-i $videoPath -i $assFilePath -filter_complex \"[0:v][1:s]ass=\\an5:text='%{event.text}',scale=iw*0.8:ih*0.8,setdar=16/9[outv]\" -map [outv] -c:a copy $_outputPath";


This made it even worse, because the app crashed when I ran this. Also there is a log for this command before crashing


F/libc (19624): Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x19 in tid 21314 (pool-4-thread-7), pid 19624 (ple.caption_app)
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
Build fingerprint: 'samsung/a15nsxx/a15:14/UP1A.231005.007/A155FXXU1AWKA:user/release-keys'
Revision: '5'
ABI: 'arm64'
Processor: '7'
Timestamp: 2024-07-10 19:27:40.812476860+0300
Process uptime: 1746s
Cmdline: com.example.caption_app
pid: 19624, tid: 21314, name: pool-4-thread-7 >>> com.example.caption_app <<<
uid: 10377
tagged_addr_ctrl: 0000000000000001 (PR_TAGGED_ADDR_ENABLE)
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0000000000000019
Cause: null pointer dereference
 x0 0000000000000001 x1 b400006ec98d8660 x2 0000000000000000 x3 0000000000000002
 x4 0000006f62d1ea12 x5 b400006e04f745ea x6 352f35372f64352f x7 7f7f7f7f7f7f7f7f
 x8 632ace36577a905e x9 632ace36577a905e x10 0000006e191378c0 x11 0000000000000001
 x12 0000000000000001 x13 0000000000000000 x14 0000000000000004 x15 0000000000000008
 x16 0000006e27ffa358 x17 0000006e27dbfb00 x18 0000006e00d48000 x19 0000006f62d1f0e8
 x20 0000006f62d24000 x21 0000006e27ffc5d0 x22 0000006e27ffc5f0 x23 0000000000000000
 x24 b400006f3f089248 x25 0000006f62d1f220 x26 b400006f3f057b20 x27 0000000000000002
 x28 0000000000000088 x29 0000006f62d1f100
 lr 0000006e27dbfb0c sp 0000006f62d1f0a0 pc 0000006e27dbfb10 pst 0000000060001000
1 total frames
backtrace:
 #00 pc 0000000000121b10 /data/app/~~oWqjrGA2indQhuEw6u_J2A==/com.example.caption_app-u2Ofk54FVtMc5D-i3SLC6g==/base.apk!libavfilter.so (offset 0x10a46000) (avfilter_inout_free+16) 
Lost connection to device.


I tried the normal command in my local machine on Windows, and this is what I used


ffmpeg -i F:\ffmpeg\video.avi -vf subtitles='F\:\\ffmpeg\\caption.srt':force_style='Fontsize=24' F:\ffmpeg\new.mp4


As you can see above when subtitles are used it had an extra backslashes for each path and a pre backslash after the partition letter. But I don't know if this does apply for android devices. How can I make sense of this ?


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Search pre-defined words in live stream video
31 janvier 2018, par Brajraj AgrawalI want to search for some pre-defined keywords in youtube live stream ( or some other live stream) in my application.
I have gone through the many articles. I just have a URL that is a live streaming URL and a set of keywords. If any of that keywords appear in the video I just want the user to provide a link to jump to that frame where the keyword appears in as real-time as possible.My understanding for that is to use Google Speech API and FFMPEG. But I am confused how can I do playback and which HTML player should I use for that.
E.g. A video is streaming live and If a word "dog" is spoked in the video then the user should get notify with playback URL from 5 sec behind it appears in the video.
Please suggest
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Revision f332c6305e : Renames interface field in VpxInterface Renames interface to codec_interface si
16 juillet 2014, par Deb MukherjeeChanged Paths :
Modify /examples/decode_to_md5.c
Modify /examples/decode_with_drops.c
Modify /examples/postproc.c
Modify /examples/set_maps.c
Modify /examples/simple_decoder.c
Modify /examples/simple_encoder.c
Modify /examples/twopass_encoder.c
Modify /examples/vp8cx_set_ref.c
Modify /examples/vpx_temporal_svc_encoder.c
Modify /tools_common.h
Modify /vpxdec.c
Modify /vpxenc.c
Renames interface field in VpxInterfaceRenames interface to codec_interface since it is a reserved
word on windows.Change-Id : I84f2cbf257a4c44f16dc2464127e35ee405c2c3e
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