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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 (97)
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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 (...) -
Multilang : améliorer l’interface pour les blocs multilingues
18 février 2011, parMultilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
Après son activation, une préconfiguration est mise en place automatiquement par MediaSPIP init permettant à la nouvelle fonctionnalité d’être automatiquement opérationnelle. Il n’est donc pas obligatoire de passer par une étape de configuration pour cela. -
ANNEXE : Les plugins utilisés spécifiquement pour la ferme
5 mars 2010, parLe site central/maître de la ferme a besoin d’utiliser plusieurs plugins supplémentaires vis à vis des canaux pour son bon fonctionnement. le plugin Gestion de la mutualisation ; le plugin inscription3 pour gérer les inscriptions et les demandes de création d’instance de mutualisation dès l’inscription des utilisateurs ; le plugin verifier qui fournit une API de vérification des champs (utilisé par inscription3) ; le plugin champs extras v2 nécessité par inscription3 (...)
Sur d’autres sites (11406)
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Path and bundle strings have different number of entries ; invalid manifest : xuggle-xuggler
7 décembre 2013, par henrycharlesI am new to multimedia.I want to make a project for live video chat in java. Googling around I found about Xuggler.I successfully downloaded all the jars given in this How do you install the latest version of Xuggler (5.4, as of 18/05/2013) in eclipse ? .
and tried executing sample code from http://www.javacodegeeks.com/2011/02/xuggler-tutorial-frames-capture-video.html I am not getting any compilation error but the following runtime error. Any help would be much appreciated.
com.xuggle.ferry.JNIManifest - path and bundle strings have different number of entries ; invalid manifest : xuggle-xuggler
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import com.xuggle.mediatool.IMediaReader;
import com.xuggle.mediatool.MediaListenerAdapter;
import com.xuggle.mediatool.ToolFactory;
import com.xuggle.mediatool.event.IVideoPictureEvent;
import com.xuggle.xuggler.Global;
public class ABC {
public static final double SECONDS_BETWEEN_FRAMES = 10;
private static final String inputFilename = "D://ab.mp4";
private static final String outputFilePrefix = "c://snapshots//mysnapshot";
// The video stream index, used to ensure we display frames from one and
// only one video stream from the media container.
private static int mVideoStreamIndex = -1;
// Time of last frame write
private static long mLastPtsWrite = Global.NO_PTS;
public static final long MICRO_SECONDS_BETWEEN_FRAMES =
(long)(Global.DEFAULT_PTS_PER_SECOND * SECONDS_BETWEEN_FRAMES);
public static void main(String[] args) {
IMediaReader mediaReader = ToolFactory.makeReader(inputFilename);
// stipulate that we want BufferedImages created in BGR 24bit color space
mediaReader.setBufferedImageTypeToGenerate(BufferedImage.TYPE_3BYTE_BGR);
mediaReader.addListener(new ImageSnapListener());
// read out the contents of the media file and
// dispatch events to the attached listener
while (mediaReader.readPacket() == null) ;
}
private static class ImageSnapListener extends MediaListenerAdapter {
public void onVideoPicture(IVideoPictureEvent event) {
if (event.getStreamIndex() != mVideoStreamIndex) {
// if the selected video stream id is not yet set, go ahead an
// select this lucky video stream
if (mVideoStreamIndex == -1)
mVideoStreamIndex = event.getStreamIndex();
// no need to show frames from this video stream
else
return;
}
// if uninitialized, back date mLastPtsWrite to get the very first frame
if (mLastPtsWrite == Global.NO_PTS)
mLastPtsWrite = event.getTimeStamp() - MICRO_SECONDS_BETWEEN_FRAMES;
// if it's time to write the next frame
if (event.getTimeStamp() - mLastPtsWrite >=
MICRO_SECONDS_BETWEEN_FRAMES) {
String outputFilename = dumpImageToFile(event.getImage());
// indicate file written
double seconds = ((double) event.getTimeStamp()) /
Global.DEFAULT_PTS_PER_SECOND;
System.out.printf(
"at elapsed time of %6.3f seconds wrote: %s\n",
seconds, outputFilename);
// update last write time
mLastPtsWrite += MICRO_SECONDS_BETWEEN_FRAMES;
}
}
private String dumpImageToFile(BufferedImage image) {
try {
String outputFilename = outputFilePrefix +
System.currentTimeMillis() + ".png";
ImageIO.write(image, "png", new File(outputFilename));
return outputFilename;
}
catch (IOException e) {
e.printStackTrace();
return null;
}
}
}
} -
Encoder (codec none) not found for output stream #0:1 [on hold]
16 novembre 2013, par GururakHi i built ffmpeg executable on Redhat5. I want to mix two Audio using the command multiple
"ffmpeg -i INPUT1 -i INPUT2 -i INPUT3 -filter_complex amix=inputs=3:duration=first:dropout_transition=3 OUTPUT.mp3".I enabled libflamemp3 library without any error.
[root@localhost ~]# ffmpeg -i /root/media/Katlalli.mp3 -i /root/media/Katlalli.mp3 -filter_complex amix=inputs=2:duration=first:dropout_transition=2 /root/media/OUTPutnew123.mp3
ffmpeg version 2.1 Copyright (c) 2000-2013 the FFmpeg developers
built on Nov 14 2013 03:17:10 with gcc 4.1.2 (GCC) 20080704 (Red Hat 4.1.2-46)
configuration: --enable-libmp3lame
libavutil 52. 48.100 / 52. 48.100
libavcodec 55. 39.100 / 55. 39.100
libavformat 55. 19.104 / 55. 19.104
libavdevice 55. 5.100 / 55. 5.100
libavfilter 3. 90.100 / 3. 90.100
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
[mp3 @ 0x193ef240] Estimating duration from bitrate, this may be inaccurate
Input #0, mp3, from '/root/media/Katlalli.mp3':
Metadata:
artist : Yograj Bhat
title : Katlalli Karadige
track : 3
album : Paramathma
album_artist : Puneet Rajkumar
genre : Kannada
composer : V.Harikrishna
date : 2011
Duration: 00:04:41.46, start: 0.000000, bitrate: 191 kb/s
Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 192 kb/s
Stream #0:1: Video: mjpeg, yuvj420p(pc), 200x200 [SAR 96:96 DAR 1:1], 90k tbr, 90k tbn, 90k tbc
Metadata:
title : thumbnail
comment : Cover (front)
[mp3 @ 0x194090a0] Estimating duration from bitrate, this may be inaccurate
Input #1, mp3, from '/root/media/Katlalli.mp3':
Metadata:
artist : Yograj Bhat
title : Katlalli Karadige
track : 3
album : Paramathma
album_artist : Puneet Rajkumar
genre : Kannada
composer : V.Harikrishna
date : 2011
Duration: 00:04:41.46, start: 0.000000, bitrate: 191 kb/s
Stream #1:0: Audio: mp3, 44100 Hz, stereo, s16p, 192 kb/s
Stream #1:1: Video: mjpeg, yuvj420p(pc), 200x200 [SAR 96:96 DAR 1:1], 90k tbr, 90k tbn, 90k tbc
Metadata:
title : thumbnail
comment : Cover (front)
File '/root/media/OUTPutnew123.mp3' already exists. Overwrite ? [y/N] y
Output #0, mp3, to '/root/media/OUTPutnew123.mp3':
Metadata:
artist : Yograj Bhat
title : Katlalli Karadige
track : 3
album : Paramathma
album_artist : Puneet Rajkumar
genre : Kannada
composer : V.Harikrishna
date : 2011
Stream #0:0: Audio: mp3, 44100 Hz, stereo, fltp (default)
Stream #0:1: Video: none, q=2-31, 128 kb/s, 90k tbn
Metadata:
title : thumbnail
comment : Cover (front)
Stream mapping:
Stream #0:0 (mp3) -> amix:input0
Stream #1:0 (mp3) -> amix:input1
amix -> Stream #0:0 (libmp3lame)
Stream #0:1 -> #0:1 (mjpeg -> ?)
Encoder (codec none) not found for output stream #0:1But when i try to combine two mp3 audio,
"ffmpeg -i INPUT1 -i INPUT2 -i INPUT3 -filter_complex amix=inputs=3:duration=first:dropout_transition=3 OUTPUT.mp3".I am getting error like
"Encoder (codec none) not found for output stream #0:1"
so please help me how to link or install "libmp3flame" on Redhat5.
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Unknown encoder 'libfaac' ubuntu 12.04 and ruby on rails 3
5 novembre 2013, par hyperrjasI'm using carrierwave-video to upload video with my ruby on rails app. But I have this problem when try enconde the video :
Unknown encoder 'libfaac'
Errors: no output file created.I have tried with :
sudo apt-get install libfaac-dev
but I get the same error.
Updated :
After compile ffmpeg, I get the same error :
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: mp42isomavc1
creation_time : 2011-10-13 18:54:50
encoder : HandBrake 0.9.5 2011010300
Duration: 00:06:43.28, start: 0.000000, bitrate: 380 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 960x600 [SAR 1:1 DAR 8:5], 279 kb/s, 9.25 fps, 25 tbr, 90k tbn, 180k tbc
Metadata:
creation_time : 2011-10-13 18:54:50
handler_name :
Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, mono, s16, 97 kb/s
Metadata:
creation_time : 2011-10-13 18:54:50
handler_name :
Please use -q:a or -q:v, -qscale is ambiguous
Unknown encoder 'libfaac'
Errors: no output file created.