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Carte de Schillerkiez
13 mai 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Texte
Autres articles (104)
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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. -
HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...)
Sur d’autres sites (12048)
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Call ffmpeg command from matlab (ubuntu 12.04)
30 novembre 2014, par bigpig245I’m trying to call ffmpeg function to get duration of video from matlab. In command line, it returns ok :
ntrang@ubuntu:~$ ffmpeg -i /home/ntrang/projects/dataset/hmdb51/01_test/a1.avi 2>&1 | sed -n "s/.*Duration: \([^,]*\), .*/\1/p"
it returns 00:00:18.03
But when I call it from matlab by system command :
>> system('ffmpeg -i /home/ntrang/projects/dataset/hmdb51/01_test/a1.avi 2>&1 | sed -n "s/.*Duration: \([^,]*\), .*/\1/p"');
it returns empty.
This is my env setting in Matlab
LD_LIBRARY_PATH='/usr/local/MATLAB/R2013a/sys/os/glnxa64:/usr/local/MATLAB/R2013a/bin/glnxa64:/usr/local/MATLAB/R2013a/extern/lib/glnxa64:/usr/local/MATLAB/R2013a/runtime/glnxa64:/usr/local/MATLAB/R2013a/sys/java/jre/glnxa64/jre/lib/amd64/native_threads:/usr/local/MATLAB/R2013a/sys/java/jre/glnxa64/jre/lib/amd64/server:/usr/local/MATLAB/R2013a/sys/java/jre/glnxa64/jre/lib/amd64'
PATH='/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/lib/jvm/jdk1.7.0_51/bin'I also create symbolic link for libstdc but it can help nothing...
I have looking around on Internet for solution but not so good so far... What should I do ?
I’m using Matlab R2013a on Ubuntu 12.04.5 LTS 64bit...
Thanks in advance.
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How to encode with ffmpeg PCM to AAC with different sample formats ?
1er août 2014, par user2212461I’m using the following code to encode PCM to AAC using libav. It works with sample_fmt = AV_SAMPLE_FMT_S16 ; and a newer release of liabv. In older versions, only sample_fmt = AV_SAMPLE_FMT_FLT is allowed, but then the decoder always returns 0 (nothing decoded). What in the code do I need to adapt in order to make it work with sample_fmt = AV_SAMPLE_FMT_S16 ? Is sample_fmt the input or output format ?
avcodec_register_all();
codec = avcodec_find_encoder(CODEC_ID_AAC);
c = avcodec_alloc_context3(codec);
c->bit_rate = 64000;
c->sample_rate= 44100;
c->channels = 1;
c->frame_size = 86000;
c->sample_fmt = AV_SAMPLE_FMT_FLT;//---> this works with AV_SAMPLE_FMT_S16
buf = (uint8_t *)malloc(bufSize);
audioData = (uint8_t *)malloc(size);
//fill audioData
int packetSize = avcodec_encode_audio(c, buf, bufSize,
(short *)audioData);//------>returns 0 when using AV_SAMPLE_FMT_FLT -
avformat/unix : fix handling of EOF in case of SOCK_STREAM.
20 mars 2018, par Bela Bodecs