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La conservation du net art au musée. Les stratégies à l’œuvre
26 mai 2011
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (68)
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Des sites réalisés avec MediaSPIP
2 mai 2011, parCette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page. -
Les formats acceptés
28 janvier 2010, parLes commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
ffmpeg -codecs ffmpeg -formats
Les format videos acceptés en entrée
Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
Les formats vidéos de sortie possibles
Dans un premier temps on (...) -
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 (...)
Sur d’autres sites (7895)
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Revision 52fc4f8a78 : Merge "Simplify vp9_adapt_nmv_probs" into experimental
11 mars 2013, par John KoleszarChanged Paths : Modify /vp9/common/vp9_entropymv.c Merge "Simplify vp9_adapt_nmv_probs" into experimental
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avfilter : avoid direct access to "frame"->channels
10 mars 2013, par Michael Niedermayeravfilter : avoid direct access to "frame"->channels
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Opencv ffmpeg : Video capture ("Filename.avi") crashes on a non development machine - MAC 10.8.2
8 mars 2013, par JerryI was trying to deploy a simple Qt Opencv Application, the following is the code :
Qt : .pro file :
QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = opencvVideoTest
TEMPLATE = app
SOURCES += main.cpp\
mainwindow.cpp
HEADERS += mainwindow.h
FORMS += mainwindow.ui
INCLUDEPATH = -I/usr/local/include
LIBS += -lm -lopencv_core -lopencv_highgui -lopencv_imgprocMainwindow.cpp :
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <opencv2></opencv2>core/core.hpp>
#include <opencv></opencv>cv.h>
#include <opencv2></opencv2>highgui/highgui.hpp>
#include <opencv2></opencv2>imgproc/imgproc.hpp>
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
cv::Mat img;
cv::VideoCapture cap("BMWM5.avi");
if(cap.isOpened()){
for(;;){
cap.read(img);
cv::resize(img,img,cv::Size(604,480));
cv::imshow("Opencv", img);
cv::waitKey(33);
}
}
else{
}
}
MainWindow::~MainWindow()
{
delete ui;
}The above snippet works fine on the development machine, which by the has Opencv 2.4.3, ffmpeg 1.1.2 & Qt 5.0.1. This what happens when I try to deploy, running the otool before using macdeployqt and the output :
> /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
version 169.3.0) /usr/local/opt/opencv/lib/libopencv_core.2.4.3.dylib
(compatibility version 2.4.0, current version 2.4.3)
> /usr/local/opt/opencv/lib/libopencv_highgui.2.4.3.dylib
(compatibility version 2.4.0, current version 2.4.3)
> /usr/local/opt/opencv/lib/libopencv_imgproc.2.4.3.dylib
(compatibility version 2.4.0, current version 2.4.3)
> /usr/local/Qt5.0.1/5.0.1/clang_64/lib/QtWidgets.framework/Versions/5/QtWidgets
(compatibility version 5.0.0, current version 5.0.1)
> /usr/local/Qt5.0.1/5.0.1/clang_64/lib/QtGui.framework/Versions/5/QtGui
(compatibility version 5.0.0, current version 5.0.1)
> /usr/local/Qt5.0.1/5.0.1/clang_64/lib/QtCore.framework/Versions/5/QtCore
(compatibility version 5.0.0, current version 5.0.1)
> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
(compatibility version 1.0.0, current version 1.0.0)
> /System/Library/Frameworks/AGL.framework/Versions/A/AGL
(compatibility version 1.0.0, current version 1.0.0)
> /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current
version 56.0.0)otool after macdeployqt output :
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 169.3.0)
@executable_path/../Frameworks/libopencv_core.2.4.3.dylib (compatibility version 2.4.0, current version 2.4.3)
@executable_path/../Frameworks/libopencv_highgui.2.4.3.dylib (compatibility version 2.4.0, current version 2.4.3)
@executable_path/../Frameworks/libopencv_imgproc.2.4.3.dylib (compatibility version 2.4.0, current version 2.4.3)
@executable_path/../Frameworks/QtWidgets.framework/Versions/5/QtWidgets(compatibility version 5.0.0, current version 5.0.1)
@executable_path/../Frameworks/QtGui.framework/Versions/5/QtGui (compatibility version 5.0.0, current version 5.0.1)
@executable_path/../Frameworks/QtCore.framework/Versions/5/QtCore (compatibility version 5.0.0, current version 5.0.1)
/System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL (compatibility version 1.0.0, current version 1.0.0)
/System/Library/Frameworks/AGL.framework/Versions/A/AGL (compatibility version 1.0.0, current version 1.0.0)
/usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 56.0.0)But after deploying it, when I try and run the app on the user's machine it crashes, no error reported either, the exact samething used to happen in Windows but when I copied the opencv_ffmpeg.dll into the exe folder it worked fine. I tried to use the same logic here and failed, then I manually addded each lib files of all the ffmpeg and its dependency into the project folder and still failed. Any other solution, please help ? I'm a newbie to mac dpeloyment. Am i missing or overlooked something ?