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Autres articles (91)
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Ecrire une actualité
21 juin 2013, parPrésentez les changements dans votre MédiaSPIP ou les actualités de vos projets sur votre MédiaSPIP grâce à la rubrique actualités.
Dans le thème par défaut spipeo de MédiaSPIP, les actualités sont affichées en bas de la page principale sous les éditoriaux.
Vous pouvez personnaliser le formulaire de création d’une actualité.
Formulaire de création d’une actualité Dans le cas d’un document de type actualité, les champs proposés par défaut sont : Date de publication ( personnaliser la date de publication ) (...) -
List of compatible distributions
26 avril 2011, parThe table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...) -
Automated installation script of MediaSPIP
25 avril 2011, parTo overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
The documentation of the use of this installation script is available here.
The code of this (...)
Sur d’autres sites (9311)
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Read H264 streaming from Elp H264 with OpenCV + Pyhton
15 janvier 2017, par Francesco PaissanI’m trying to read an udp streaming of a H264 encoded image. The software structure is like follows :
On a BeagleBoneBlack (Ubuntu 16.04) I’ve an Elp H264 cam (see here : https://www.amazon.com/ELP-Support-Android-Windows-Surveillance/dp/B00VDSBH9G ). I stream frames with ffmpeg on a Unicast UDP Stream.
I want to read this images from python and opencv to be able to process them.
I tried with this simple code to see if the cap is opened or not :
import cv2
try:
cap = cv2.VideoCapture("udp://localhost:1234/")
cap.set(CV_CAP_PROP_FOURCC, CV_FOURCC('H', '2', '6', '4'));
except Exception, e:
print str(e)But when I run this script python says :
DtsGetHWFeatures : Create File Failed DtsGetHWFeatures : Create File
Failed Running DIL (3.22.0) Version DtsDeviceOpen : Opening HW in mode
0 DtsDeviceOpen : Create File Failed libva info : VA-API version 0.38.1
libva info : va_getDriverName() returns -1 libva error :
va_getDriverName() failed with unknown libva error,driver_name=(null)
libva info : VA-API version 0.38.1 libva info : va_getDriverName()
returns -1 libva error : va_getDriverName() failed with unknown libva
error,driver_name=(null) libva info : VA-API version 0.38.1 libva info :
va_getDriverName() returns -1 libva error : va_getDriverName() failed
with unknown libva error,driver_name=(null) libva info : VA-API version
0.38.1 libva info : va_getDriverName() returns -1 libva error : va_getDriverName() failed with unknown libva error,driver_name=(null)
GStreamer Plugin : Embedded video playback halted ; module vaapidecode
reported : Could not initialize supporting library. OpenCV
Error : Unspecified error (GStreamer : unable to start pipeline ) in
cvCaptureFromCAM_GStreamer, file /builddir/build/BUILD/opencv-
2.4.12.3/modules/highgui/src/cap_gstreamer.cpp, line 816 /builddir/build/BUILD/opencv-2.4.12.3/modules/highgui/src/cap_gstreamer.cpp:816 :
error : (-2) GStreamer : unable to start pipeline in function
cvCaptureFromCAM_GStreamerCan anybody help me ?
Thanks,
Francesco.
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Read H264 streaming from Elp H264 with OpenCV + Python
3 février 2017, par Francesco PaissanI’m trying to read an udp streaming of a H264 encoded image. The software structure is like follows :
On a BeagleBoneBlack (Ubuntu 16.04) I’ve an Elp H264 cam (see here : https://www.amazon.com/ELP-Support-Android-Windows-Surveillance/dp/B00VDSBH9G ). I stream frames with ffmpeg on a Unicast UDP Stream.
I want to read this images from python and opencv to be able to process them.
I tried with this simple code to see if the cap is opened or not :
import cv2
try:
cap = cv2.VideoCapture("udp://localhost:1234/")
cap.set(CV_CAP_PROP_FOURCC, CV_FOURCC('H', '2', '6', '4'));
except Exception, e:
print str(e)But when I run this script python says :
DtsGetHWFeatures : Create File Failed DtsGetHWFeatures : Create File
Failed Running DIL (3.22.0) Version DtsDeviceOpen : Opening HW in mode
0 DtsDeviceOpen : Create File Failed libva info : VA-API version 0.38.1
libva info : va_getDriverName() returns -1 libva error :
va_getDriverName() failed with unknown libva error,driver_name=(null)
libva info : VA-API version 0.38.1 libva info : va_getDriverName()
returns -1 libva error : va_getDriverName() failed with unknown libva
error,driver_name=(null) libva info : VA-API version 0.38.1 libva info :
va_getDriverName() returns -1 libva error : va_getDriverName() failed
with unknown libva error,driver_name=(null) libva info : VA-API version
0.38.1 libva info : va_getDriverName() returns -1 libva error : va_getDriverName() failed with unknown libva error,driver_name=(null)
GStreamer Plugin : Embedded video playback halted ; module vaapidecode
reported : Could not initialize supporting library. OpenCV
Error : Unspecified error (GStreamer : unable to start pipeline ) in
cvCaptureFromCAM_GStreamer, file /builddir/build/BUILD/opencv-
2.4.12.3/modules/highgui/src/cap_gstreamer.cpp, line 816 /builddir/build/BUILD/opencv-2.4.12.3/modules/highgui/src/cap_gstreamer.cpp:816 :
error : (-2) GStreamer : unable to start pipeline in function
cvCaptureFromCAM_GStreamerCan anybody help me ?
Thanks,
Francesco.
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FFmpeg os.system commands not working but work in Terminal
28 janvier 2020, par Oscar DollowayI’ve downloaded ffmpeg through the website and ran some commands through the terminal to confirm its install.
when running the command ’ffmpeg’ in the Terminal it returns
ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg
developers
built with Apple LLVM version 10.0.0 (clang-1000.11.45.5)if i type into Python
import os
os.system ('ffmpeg')it returns
os.system ('ffmpeg')
sh: ffmpeg: command not found
Out[25]: 32512any ideas ?
Solution :
ffmpeg = '/bin/ffmpeg' #path to the binary file
os.system(ffmpeg)Output :
os.system (ffmpeg)
ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
built with Apple LLVM version 10.0.0 (clang-1000.11.45.5)