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Carte de Schillerkiez
13 mai 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Texte
Autres articles (105)
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Websites made with MediaSPIP
2 mai 2011, parThis page lists some websites based on MediaSPIP.
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Gestion des droits de création et d’édition des objets
8 février 2011, parPar défaut, beaucoup de fonctionnalités sont limitées aux administrateurs mais restent configurables indépendamment pour modifier leur statut minimal d’utilisation notamment : la rédaction de contenus sur le site modifiables dans la gestion des templates de formulaires ; l’ajout de notes aux articles ; l’ajout de légendes et d’annotations sur les images ;
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Dépôt de média et thèmes par FTP
31 mai 2013, parL’outil MédiaSPIP traite aussi les média transférés par la voie FTP. Si vous préférez déposer par cette voie, récupérez les identifiants d’accès vers votre site MédiaSPIP et utilisez votre client FTP favori.
Vous trouverez dès le départ les dossiers suivants dans votre espace FTP : config/ : dossier de configuration du site IMG/ : dossier des média déjà traités et en ligne sur le site local/ : répertoire cache du site web themes/ : les thèmes ou les feuilles de style personnalisées tmp/ : dossier de travail (...)
Sur d’autres sites (17723)
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Nvidia on Linux : "Codec h264_cuvid is not supported"
2 août 2020, par RaphaelI configured FFMPEG to use Nvidia, but when I try this command


ffmpeg -vsync 0 -hwaccel cuvid -c:v h264_cuvid -i input.mp4 -c:a copy -c:v h264_nvenc -b:v 5M output.mp4


I get the error




[h264_cuvid @ 0x556eaa3ea780] Codec h264_cuvid is not supported




Here's the output of
nvidia-smi
:

+-----------------------------------------------------------------------------+
| NVIDIA-SMI 450.51.05 Driver Version: 450.51.05 CUDA Version: 11.0 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
| | | MIG M. |
|===============================+======================+======================|
| 0 GeForce 940MX On | 00000000:01:00.0 Off | N/A |
| N/A 47C P5 N/A / N/A | 396MiB / 2004MiB | 22% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
 
+-----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| 0 N/A N/A 1131 G /usr/lib/xorg/Xorg 37MiB |
| 0 N/A N/A 1883 G /usr/lib/xorg/Xorg 129MiB |
| 0 N/A N/A 2175 G /usr/bin/gnome-shell 92MiB |
| 0 N/A N/A 3649 G ...AAAAAAAAA= --shared-files 126MiB |
+-----------------------------------------------------------------------------+



And the output of
ffmpeg
:

ffmpeg version git-2020-07-25-7c8ad72 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
 configuration: --enable-nonfree --enable-cuda-nvcc --enable-libnpp --enable-gpl --enable-libx264 --extra-cflags=-I/usr/local/cuda/include --extra-ldflags=-L/usr/local/cuda/lib64
 libavutil 56. 57.100 / 56. 57.100
 libavcodec 58. 97.102 / 58. 97.102
 libavformat 58. 49.100 / 58. 49.100
 libavdevice 58. 11.101 / 58. 11.101
 libavfilter 7. 87.100 / 7. 87.100
 libswscale 5. 8.100 / 5. 8.100
 libswresample 3. 8.100 / 3. 8.100
 libpostproc 55. 8.100 / 55. 8.100



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cutting mp4 with codec copy results no audio in browser
16 novembre 2020, par LukaI'm editing a video clip with ffmpeg. The original does not play in Firefox browser by itself. It does normally in Chromium. I do something like :


ffmpeg -ss 00:05:10 -i INPUT.mp4 -c copy OUTPUT.mp4



the resulting clip plays in Firefox but there's no audio. This happens in Firefox (82.0.3), but not in Chromium (86.0.4240.75). In chromium the sound is ok.


If audio is reencoded with


ffmpeg -ss 00:05:10 -i INPUT.mp4 -c:v copy -ab 360kb OUTPUT.mp4



resulting clip is playing ok in Firefox.


Could anyone explain what is happening here and is it possible to cut the mp4 without reencoding audio resulting in a clip that plays in Firefox too ?


Some data :


ffmpeg version 3.4.8-0ubuntu0.2


ffprobe INPUT.mp4 :


Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'INPUT.mp4':
 Metadata:
 major_brand : isom
 minor_version : 1
 compatible_brands: iso4avc1isom
 creation_time : 2020-11-13T18:45:37.000000Z
 com.apple.proapps.clipID: INPUT
 com.blackmagic-design.camera.dateRecorded: 2020:11:13
 com.apple.proapps.cameraName: 0
 com.blackmagic-design.camera.uuid: BDB766E79E646CBB82E3EB986EA1EA-0
 Duration: 02:01:38.00, start: 0.000000, bitrate: 6047 kb/s
 Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1920x1080, 5909 kb/s, SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 25 tbn, 50 tbc (default)
 Metadata:
 creation_time : 2020-11-13T18:45:37.000000Z
 handler_name : ?Apple Alias Data Handler
 encoder : H264/AVC
 timecode : 19:45:35:04
 Stream #0:1(eng): Data: none (tmcd / 0x64636D74) (default)
 Metadata:
 creation_time : 2020-11-13T18:45:37.000000Z
 handler_name : ?Apple Alias Data Handler
 timecode : 19:45:35:04
 Stream #0:2(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 creation_time : 2020-11-13T18:45:37.000000Z
 handler_name : ?Apple Alias Data Handler
 timecode : 19:45:35:04



ffprobe OUTPUT.mp4





Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'OUTPUT.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf57.83.100
 Duration: 01:34:48.02, start: -0.016000, bitrate: 6022 kb/s
 Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080, 5889 kb/s, SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 12800 tbn, 25600 tbc (default)
 Metadata:
 handler_name : VideoHandler
 timecode : 19:45:35:04
 Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
 Metadata:
 handler_name : SoundHandler
 Stream #0:2(eng): Data: none (tmcd / 0x64636D74)
 Metadata:
 handler_name : TimeCodeHandler
 timecode : 19:45:35:04



ffprobe the OUTPUT.mp4 that has audio re-encoded and works in Firefox :


Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf57.83.100
 Duration: 01:34:48.04, start: 0.000000, bitrate: 6160 kb/s
 Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1920x1080, 5889 kb/s, SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 12800 tbn, 25600 tbc (default)
 Metadata:
 handler_name : VideoHandler
 timecode : 19:45:35:04
 Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 265 kb/s (default)
 Metadata:
 handler_name : SoundHandler
 Stream #0:2(eng): Data: none (tmcd / 0x64636D74)
 Metadata:
 handler_name : TimeCodeHandler
 timecode : 19:45:35:04



EDIT :


I'm providing links to original files, but a bit of warning, they are 4-5GB big each :


- 

- original recording from blackmagic switcher/capture/recorder (this does not play in firefox at all, but does in Chromium)
- cut version made with
-codec copy
(plays in firefox but no audio. plays in chromium ok) - cut version with re-encoded audio (plays ok in both firefox and chromium)








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Processing 3.0 get Error=2 No such file or directory
29 octobre 2016, par Tuang PingfavilundaI cannot figure it out what happen to my Processing file. I am trying to use VideoExport library and my Macbook Pro cannot play it, but the Mac-mini is able to do so.
Before the error happened it is another error=13 permission denied thing, so I messed in the terminal for a while with chmod 777 and finding the file with ls. I don’t know if that may be the reason that caused this happen. FYI, I also installed ffmpeg already.
And this is the full error :
java.io.IOException: Cannot run program "/Users/Tuang/Desktop/DMA_WORKS/Work1_Facial Muscles/Cam_Rec/sketch_161027a/sketch_161027a.pde": error=2, No such file or directory
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
at com.hamoid.VideoExport.startFfmpeg(Unknown Source)
at com.hamoid.VideoExport.initialize(Unknown Source)
at com.hamoid.VideoExport.saveFrame(Unknown Source)
at Basic.draw(Basic.java:32)
at processing.core.PApplet.handleDraw(PApplet.java:2412)
at processing.awt.PSurfaceAWT$12.callDraw(PSurfaceAWT.java:1540)
at processing.core.PSurfaceNone$AnimationThread.run(PSurfaceNone.java:316)
Caused by: java.io.IOException: error=2, No such file or directory
at java.lang.UNIXProcess.forkAndExec(Native Method)
at java.lang.UNIXProcess.<init>(UNIXProcess.java:247)
at java.lang.ProcessImpl.start(ProcessImpl.java:134)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
... 7 more
VideoExport error: Ffmpeg failed. Study /Users/Tuang/Desktop/DMA_WORKS/Work1_Facial_Muscles/Camera_Recorder/Basic/basic.mp4.txt for more details.
Could not run the sketch (Target VM failed to initialize).
For more information, read revisions.txt and Help → Troubleshooting.
</init>
1) The java.io.IOException : trying to call "/Work1_Facial Muscles/Cam_Rec/sketch_161027a/sketch_161027a.pde" which doesn’t exist for real. It is gone for a long time but seems like the program stuck here.
2) "basic" is a file name from the Example of the Library. I just use it to test. Surprisingly, Every files that have been saved and changed the name still get the java.io.IOException’s error of the missing sketch_161027a.pde file.
What I have done :
1 I have already done the Homebrew thing to install ffmpeg.
2 I deleted everything of Processing and reinstall it again.Any suggestion ?