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MediaSPIP 0.1 Beta version
25 avril 2011, parMediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
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 (...) -
Le profil des utilisateurs
12 avril 2011, parChaque utilisateur dispose d’une page de profil lui permettant de modifier ses informations personnelle. Dans le menu de haut de page par défaut, un élément de menu est automatiquement créé à l’initialisation de MediaSPIP, visible uniquement si le visiteur est identifié sur le site.
L’utilisateur a accès à la modification de profil depuis sa page auteur, un lien dans la navigation "Modifier votre profil" est (...) -
Sélection de projets utilisant MediaSPIP
29 avril 2011, parLes exemples cités ci-dessous sont des éléments représentatifs d’usages spécifiques de MediaSPIP pour certains projets.
Vous pensez avoir un site "remarquable" réalisé avec MediaSPIP ? Faites le nous savoir ici.
Ferme MediaSPIP @ Infini
L’Association Infini développe des activités d’accueil, de point d’accès internet, de formation, de conduite de projets innovants dans le domaine des Technologies de l’Information et de la Communication, et l’hébergement de sites. Elle joue en la matière un rôle unique (...)
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FFMPEG NVENC HEVC to H264
18 octobre 2022, par SambirI try to transcode a HEVC 4k broadcast down to 1080p H264. HEVC 4K to HEVC 1080p works but when I try hevc to h264 i get "No NVENC capable devices found"



Now I am wondering is it not possible to fully hw transcode HEVC to H264 ?



Code used :



ffmpeg -timeout 10000000 -reconnect 1 -reconnect_at_eof 1 -reconnect_streamed 1 -reconnect_delay_max 2 -hwaccel_device 0 -hwaccel cuvid -vcodec hevc_cuvid -resize 1920x1080 -i 'http://inputstream' -max_muxing_queue_size 1024 -map 0:0 -map 0:2 -acodec libfdk_aac -b:a 96k -c:v h264_nvenc -gpu 0 -preset llhq -profile high -rc:v vbr -qmin:v 26 -qmax:v 32 -b:v 4M -maxrate 4M -bufsize 8M -threads 0 -r 25 -g 100 -f mpegts 'udp://127.0.0.1:6472' 




When I run the code :



[h264_nvenc @ 0x3bf42c0] Provided device doesn't support required NVENC features
Error initializing output stream 0:0 — Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
Conversion failed !



Is it not possible to convert HEVC back to H264 ?



log :



root@sambir-T5600:~# ffmpeg -timeout 10000000 -reconnect 1 -reconnect_at_eof 1 -reconnect_streamed 1 -reconnect_delay_max 2 -hwaccel_device 0 -hwaccel cuvid -vcodec hevc_cuvid -resize 1920x1080 -i 'http://192.168.1.12:8001/1:0:19:3FAC:7851:ABC:1A40000:0:0:0:' -max_muxing_queue_size 1024 -map 0:0 -map 0:2 -acodec libfdk_aac -b:a 96k -c:v h264_nvenc -gpu 0 -preset llhq -vprofile high -rc:v vbr -qmin:v 26 -qmax:v 35 -b:v 4M -maxrate 4M -bufsize 8M -threads 0 -r 25 -g 100 -f mpegts 'udp://127.0.0.1:6472'
ffmpeg version N-95090-g646799b Copyright (c) 2000-2019 the FFmpeg developers
 built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.4)
 configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --enable-cuda-nvcc --enable-cuvid --enable-libnpp --extra-cflags=-I/usr/local/cuda/include/ --extra-ldflags=-L/usr/local/cuda/lib64/ --enable-gpl --enable-libass --enable-libfdk-aac --enable-libx264 --enable-libx265 --enable-pic --extra-libs='-lpthread -lm -lz -ldl' --enable-nvenc --enable-nonfree
 libavutil 56. 35.100 / 56. 35.100
 libavcodec 58. 59.100 / 58. 59.100
 libavformat 58. 33.100 / 58. 33.100
 libavdevice 58. 9.100 / 58. 9.100
 libavfilter 7. 59.100 / 7. 59.100
 libswscale 5. 6.100 / 5. 6.100
 libswresample 3. 6.100 / 3. 6.100
 libpostproc 55. 6.100 / 55. 6.100
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
[hevc @ 0x44d8000] PPS id out of range: 0
 Last message repeated 1 times
[hevc @ 0x44d8000] Error parsing NAL unit #2.
Input #0, mpegts, from 'http://192.168.1.12:8001/1:0:19:3FAC:7851:ABC:1A40000:0:0:0:':
 Duration: N/A, start: 21829.677256, bitrate: N/A
 Program 16300
 Stream #0:0[0x12f7]: Video: hevc (Main 10) ([36][0][0][0] / 0x0024), yuv420p10le(tv), 3840x2160 [SAR 1:1 DAR 16:9], 50 fps, 50 tbr, 90k tbn, 50 tbc
 Stream #0:1[0x135b]: Audio: eac3 ([6][0][0][0] / 0x0006), 48000 Hz, 5.1(side), fltp, 256 kb/s
 Stream #0:2[0x13bf]: Audio: aac (HE-AAC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 80 kb/s
Stream mapping:
 Stream #0:0 -> #0:0 (hevc (hevc_cuvid) -> h264 (h264_nvenc))
 Stream #0:2 -> #0:1 (aac (native) -> aac (libfdk_aac))
Press [q] to stop, [?] for help
[h264_nvenc @ 0x44df300] Provided device doesn't support required NVENC features
Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
Conversion failed!



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riff : add PLV1 fourcc to mpeg4
3 avril 2014, par Compn -
ffmpeg : Extract every nth frame and save only that frame with frame index as name [duplicate]
2 février 2021, par CatTheGrimReaperI want to create a bash script (Windows 10) that lets me extract every 5th frame from every video in the current folder. The frames should be saved as "videoname-framenumber.jpg". So the output should be




"videoname-frame_1.jpg", "videoname-frame_5.jpg",
"videoname-frame_10.jpg", etc.




for %%F in (*.mp4) do (
ffmpeg -i %%F -vf "select=not(mod(n\,5))" %%~nF-%%4d.jpg
)



This is what I have so far, but it doesn't do what I want. This extracts the first frame and saves it four times (as "videoname-0001.jpg", "videoname-0002.jpg", "videoname-0003.jpg", "videoname-0004.jpg"), then extracts the fifth frame and saves it four times (as "videoname-0005.jpg", "videoname-0006.jpg".....) and so on.


My two problems are :


- 

- I don't know why it saves every 5th frame four times, it should only save it one time each.
- How do I insert the current frame index as a suffix to my output image file's name ?






Any help would be appreciated, thanks !