
Recherche avancée
Médias (1)
-
The Slip - Artworks
26 septembre 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Texte
Autres articles (91)
-
Keeping control of your media in your hands
13 avril 2011, parThe vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...) -
Mise à jour de la version 0.1 vers 0.2
24 juin 2013, parExplications des différents changements notables lors du passage de la version 0.1 de MediaSPIP à la version 0.3. Quelles sont les nouveautés
Au niveau des dépendances logicielles Utilisation des dernières versions de FFMpeg (>= v1.2.1) ; Installation des dépendances pour Smush ; Installation de MediaInfo et FFprobe pour la récupération des métadonnées ; On n’utilise plus ffmpeg2theora ; On n’installe plus flvtool2 au profit de flvtool++ ; On n’installe plus ffmpeg-php qui n’est plus maintenu au (...) -
Les tâches Cron régulières de la ferme
1er décembre 2010, parLa gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
Le super Cron (gestion_mutu_super_cron)
Cette tâche, planifiée chaque minute, a pour simple effet d’appeler le Cron de l’ensemble des instances de la mutualisation régulièrement. Couplée avec un Cron système sur le site central de la mutualisation, cela permet de simplement générer des visites régulières sur les différents sites et éviter que les tâches des sites peu visités soient trop (...)
Sur d’autres sites (9808)
-
FFmpeg can't convert MOD to MP4
7 août 2021, par KaelanI'm trying to convert a MOD file to MP4, but it's not working. here is the command
ffmpeg -y -i "Nintendo DSi + Internet.mod" "Nintendo DSi + Internet.mp4"


And here is the log that it gives me

ffmpeg version git-2020-02-13-6d37ca8 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 9.2.1 (GCC) 20200122
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
 libavutil 56. 41.100 / 56. 41.100
 libavcodec 58. 68.102 / 58. 68.102
 libavformat 58. 38.100 / 58. 38.100
 libavdevice 58. 9.103 / 58. 9.103
 libavfilter 7. 75.100 / 7. 75.100
 libswscale 5. 6.100 / 5. 6.100
 libswresample 3. 6.100 / 3. 6.100
 libpostproc 55. 6.100 / 55. 6.100
[mpeg @ 000002557deb95c0] Format mpeg detected only with low score of 25, misdetection possible!
[mp2 @ 000002557debb280] Header missing
 Last message repeated 18 times
[mpeg @ 000002557deb95c0] probed stream 1 failed
[mpeg @ 000002557deb95c0] probed stream 2 failed
[mp2 @ 000002557e395600] Header missing
 Last message repeated 59 times
[mp2 @ 000002557debb280] Header missing
[mp2 @ 000002557e395600] Header missing
[mpeg @ 000002557deb95c0] decoding for stream 0 failed
[mpeg @ 000002557deb95c0] decoding for stream 3 failed
[mpeg @ 000002557deb95c0] start time for stream 2 is not set in estimate_timings_from_pts
[mpeg @ 000002557deb95c0] stream 0 : no PTS found at end of file, duration not set
[mpeg @ 000002557deb95c0] stream 2 : no TS found at start of file, duration not set
[mpeg @ 000002557deb95c0] stream 3 : no PTS found at end of file, duration not set
[mpeg @ 000002557deb95c0] Could not find codec parameters for stream 0 (Audio: mp2, 0 channels, s16p): unspecified frame size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpeg @ 000002557deb95c0] Could not find codec parameters for stream 1 (Video: none, none): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpeg @ 000002557deb95c0] Could not find codec parameters for stream 2 (Video: none, none): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpeg @ 000002557deb95c0] Could not find codec parameters for stream 3 (Audio: mp2, 0 channels, s16p): unspecified frame size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, mpeg, from 'Nintendo DSi + Internet.mod':
 Duration: 02:14:02.94, start: 15898.332444, bitrate: 6 kb/s
 Stream #0:0[0x1c8]: Audio: mp2, 0 channels, s16p
 Stream #0:1[0x1ea]: Video: none, none, 90k tbr, 90k tbn
 Stream #0:2[0x1eb]: Video: none, none, 90k tbr, 90k tbn
 Stream #0:3[0x1d9]: Audio: mp2, 0 channels, s16p
Stream mapping:
 Stream #0:1 -> #0:0 (? (?) -> h264 (libx264))
 Stream #0:0 -> #0:1 (mp2 (native) -> aac (native))
Decoder (codec none) not found for input stream #0:1



I got this mod file from the Nintendo DSi + Internet Video (by dumping it with godmode9i and getting the mod file using godmode9). Any help is appreciated.


-
Streaming mp4a to localhost using udp and ffmpeg
2 août 2017, par noswoscarI am using the following command to stream a video and it’s audio to localhost :
ffmpeg -re -i out.mp4 -map 0:0 -vcodec libx264 -f h264 udp ://127.0.0.1:1234 -map 0:1 -acodec libfaac -f mp4a udp ://127.0.0.1:2020FFmpeg is not recognising my audio codec and my audio format so I get the following error message :
ErrorWhat audio format and codec do I need to use ? The codec information of the video I wish to send is as follows :
Codecs usedWhen I convert the audio track to mp3 I can run the above command and stream the video and audio properly. However I dont want to convert all my video audio-tracks to mp3.
(I am confused by all the encoders, decoders, codec names in the ffmpeg documentation) Is there a way of finding the right encoder to use with the mp4a audio codec other than reading the whole list of codecs and options ?
Thanks.
-
RTSP scene detection with ffmpeg
3 septembre 2020, par TobiasI have a RTSP-stream and want to save individual images, whenever the scene is changing. The idea is actually to categorize these images manually and use them to train TensorFlow. I can easily grab the whole stream and generate thousands of images if I don't use the scene filter :


ffmpeg -i rtsp://url -an -strftime 1 "%Y%m%d%H%M%S_scenechange.png"



But as soon as I add the scene-filter ffmpeg is not saving any image, no matter how much the scene changes, the command is just extended by one parameter :


ffmpeg -i rtsp://url -an -filter:v "select='gt(scene,0.1)'" -strftime 1 "%Y%m%d%H%M%S_scenechange.png"



It starts ffmpeg with following output and then quits unexpectedly some minutes later :


ffmpeg version git-2020-08-31-4a11a6f Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 10.2.1 (GCC) 20200805
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libgsm --enable-librav1e --enable-libsvtav1 --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
libavutil 56. 58.100 / 56. 58.100
libavcodec 58.101.101 / 58.101.101
libavformat 58. 51.101 / 58. 51.101
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
Input #0, rtsp, from 'rtsp://url':
Metadata:
title : hysxrtpsion
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: h264 (High), yuv420p(progressive), 1920x1080, 15 fps, 15 tbr, 90k tbn, 30 tbc
Stream #0:1: Audio: aac (LC), 8000 Hz, mono, fltp
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> png (native))
Press [q] to stop, [?] for help
Output #0, image2, to 'mHS_scenechange.png':
Metadata:
title : hysxrtpsion
encoder : Lavf58.51.101
Stream #0:0: Video: png, rgb24, 1920x1080, q=2-31, 200 kb/s, 15 fps, 15 tbn,
15 tbc
Metadata:
 encoder : Lavc58.101.101 png
[rtsp @ 00000000004c5b80] max delay reached. need to consume packet
[rtsp @ 00000000004c5b80] RTP: missed 1 packets
[rtsp @ 00000000004c5b80] max delay reached. need to consume packet
[rtsp @ 00000000004c5b80] RTP: missed 1 packets
frame= 0 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A speed= 0x

video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)



I looked at the mentioned options -ss -t -frames, but as you can see they're not used at all.


Does anyone have more experience with that and could hint me in the right direction ? As the filter is the only single change I'm a bit lost here.