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Autres articles (91)

  • Mise à jour de la version 0.1 vers 0.2

    24 juin 2013, par

    Explications des différents changements notables lors du passage de la version 0.1 de MediaSPIP à la version 0.3. Quelles sont les nouveautés
    Au niveau des dépendances logicielles Utilisation des dernières versions de FFMpeg (>= v1.2.1) ; Installation des dépendances pour Smush ; Installation de MediaInfo et FFprobe pour la récupération des métadonnées ; On n’utilise plus ffmpeg2theora ; On n’installe plus flvtool2 au profit de flvtool++ ; On n’installe plus ffmpeg-php qui n’est plus maintenu au (...)

  • Personnaliser en ajoutant son logo, sa bannière ou son image de fond

    5 septembre 2013, par

    Certains thèmes prennent en compte trois éléments de personnalisation : l’ajout d’un logo ; l’ajout d’une bannière l’ajout d’une image de fond ;

  • Ecrire une actualité

    21 juin 2013, par

    Présentez 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 ) (...)

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  • Mpeg Dash code having compilation issues and want to know what to do after the code is built and how to play the .mpd file generated

    11 avril 2013, par niuuuu

    I'm trying to build the DashEncoder code which I downloaded from github https://github.com/slederer/DASHEncoder. Well, I followed all the instructions given in the how to compile dash file. installed Gpac n X264 and compiled both successfully. Then did make of Dashencoder and ran it as ./Dashencoder. But I found some issues in it. Got this log :

    ==========DASH ENCODER===============
    
Unknown option in resourcefile : sql-pw :
    
current encoder x264
    
YES
    
x264 encoding @ 300 kbps: Pass 1 
    
x264: x264 --profile baseline --preset slow --verbose --fps 24 --vbv-maxrate 300 --vbv-bufsize 600 --scenecut 0 --keyint 48 --output /opt/lampp/htdocs/tests_updates/sintel_trailer_2k_480p24_300kbit.h264 /home/niu/sintel_trailer_2k_480p24.y4m >out.txt 2>&1 
    
mkdir: cannot create directory `/opt/lampp/htdocs/tests_updates/sintel_300kbit': File exists
    
cp: omitting directory `/opt/lampp/htdocs/tests_updates/'
    
copy audio: cp /opt/lampp/htdocs/tests_updates/ /opt/lampp/htdocs/tests_updates/sintel_300kbit/MP4Box multiplexing Video: /opt/lampp/htdocs/tests_updates/sintel_300kbit/sintel_trailer_2k_480p24_300kbit.h264  
    
mp4box: MP4Box -add /opt/lampp/htdocs/tests_updates/sintel_300kbit/sintel_trailer_2k_480p24_300kbit.h264  /opt/lampp/htdocs/tests_updates/sintel_300kbit/sintel_trailer_2k_480p24_300kbit.mp4
    
AVC-H264 import - frame size 854 x 480 at 24.000 FPS
    
AVC Import results: 1253 samples - Slices: 27 I 1226 P 0 B - 1 SEI - 27 IDR
    
Saving to /opt/lampp/htdocs/tests_updates/sintel_300kbit/sintel_trailer_2k_480p24_300kbit.mp4: 0.500 secs Interleaving
    
MP4Box multiplexing Audio:/opt/lampp/htdocs/tests_updates/sintel_300kbit/ 
    
mp4box: MP4Box -add /opt/lampp/htdocs/tests_updates/sintel_300kbit/ /opt/lampp/htdocs/tests_updates/sintel_300kbit/sintel_trailer_2k_480p24_300kbit.mp4
    
Unknown input file type
    
Unknown input file type
    
Error importing /opt/lampp/htdocs/tests_updates/sintel_300kbit/: Bad Parameter
    
MP4Box Cleaning ... 
    
mp4box: MP4Box -no-sys  /opt/lampp/htdocs/tests_updates/sintel_300kbit/sintel_trailer_2k_480p24_300kbit.mp4
    
Saving /opt/lampp/htdocs/tests_updates/sintel_300kbit/sintel_trailer_2k_480p24_300kbit.mp4: 0.500 secs Interleaving
    
MP4Box segmentation: /opt/lampp/htdocs/tests_updates/sintel_300kbit/sintel_trailer_2k_480p24_300kbit.h264  
    
mp4box: MP4Box -frag 2000 -dash 2000 -rap -segment-name /opt/lampp/htdocs/tests_updates/sintel_300kbit/sintel /opt/lampp/htdocs/tests_updates/sintel_300kbit/sintel_trailer_2k_480p24_300kbit.mp4
    
DASH-ing file: 2.00s segments 2.00s fragments single sidx per segment
    
Spliting segments at GOP boundaries
    
[DASH] Generating MPD at time 2013-03-16T16:40:03Z
    
DASHing file /opt/lampp/htdocs/tests_updates/sintel_300kbit/sintel_trailer_2k_480p24_300kbit.mp4
    
terminate called after throwing an instance of 'std::out_of_range'
    
  what():  basic_string::substr
    
Error: Unable to open MPD file!Aborted

    Why is this error at the end ?
    and also one folder got created in my /opt/lampp/htdocs/tests_updates/sintel_300kbit.
    which has two types of files :
    27 files of .m4s extension
    1 file -sintelinit.mp4
    1 file- sintel_trailer_2k_480p24_300kbit.mp4 , which when played in vlc player played the video bt no audio ! &

    1 file- sintel_trailer_2k_480p24_300kbit.h264 which cannot be opened.

    No .mpd file was created.

    Also I want to know aft creating that .mpd file how will i be able to test it on my android client say media player.

    I am damn confused with all this happening. Please help.

  • FFmpeg '-bframebias' option gone ? [closed]

    18 mars 2013, par RRN

    Recently I updated ffmpeg to version 1.1, when I run a command containing bframebias, it showed an error :

    Unrecognized option 'bframebias'.
    
Error splitting the argument list: Option not found

    This command used to work fine. So the option bframebias is removed or it is replaced by another option ?

    C:\Users\Raymond\Downloads\ffmpeg-1.1-win32-static\bin>ffmpeg -i C:\Users\Raymon
    
d\Desktop\IntroductiontoITILREAD2.wmv -vcodec libx264 -r 25 -b:v 1500k -profile:
    
v main -level 41 -bf 3 -direct-pred auto -b_strategy 1 -weightb 1 -bidir_refine
    
1 -b-pyramid none -bframebias 0 -8x8dct 0 -partitions i8x8,i4x4,p8x8,p4x4,b8x8 -
    
maxrate 24000k -bufsize 24000k -bt 1.0 -qcomp 0.60 -me_range 16 -sc_threshold 40
    
 -me_method hex -subq 7 -cmp chroma -qmax 69 -qmin 10 -i_qfactor 0.71 -b_qfactor
    
 0.77 -trellis 0 -refs 2 -mixed-refs 0 -coder 1 -fast-pskip 1 -flags +loop -debl
    
ock 0:0 -rc-lookahead 40 -mbtree 1 -psy 1 -slices 0 -slice-max-size 0 -preset fa
    
st -acodec libvo_aacenc -profile:a aac_low -ar 48000 -ab 128000 -ac 2 -s 720x576
    
 -aspect 16:9 -f matroska C:\Users\Raymond\Desktop\OUTPUT.mkv
    

    
ffmpeg version 1.1 Copyright (c) 2000-2013 the FFmpeg developers
    
  built on Jan  8 2013 16:10:57 with gcc 4.7.2 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    
le-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libg
    
sm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --e
    
nable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --e
    
nable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwben
    
c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
    
libxvid --enable-zlib
    

    
  libavutil      52. 13.100 / 52. 13.100
    
  libavcodec     54. 86.100 / 54. 86.100
    
  libavformat    54. 59.106 / 54. 59.106
    
  libavdevice    54.  3.102 / 54.  3.102
    
  libavfilter     3. 32.100 /  3. 32.100
    
  libswscale      2.  1.103 /  2.  1.103
    
  libswresample   0. 17.102 /  0. 17.102
    
  libpostproc    52.  2.100 / 52.  2.100
    

    
Unrecognized option 'bframebias'.
    
Error splitting the argument list: Option not found

  • cdgraphics : switch to bytestream2

    6 août 2014, par Anton Khirnov
    cdgraphics : switch to bytestream2

    Fixes possible invalid memory accesses on corrupted data.
    

    CC:libav-stable@libav.org
    
Bug-ID : CVE-2013-3674
    • [DH] libavcodec/cdgraphics.c

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