Recherche avancée

Médias (91)

Autres articles (94)

  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 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, par

    Multilang 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, par

    MediaSPIP 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 (5746)

  • How can low frame rate video be made to look more smooth ?

    14 décembre 2016, par d3pd

    I am trying to clean up a video that was recorded in 2003 in low-light conditions on what was possibly a cameraphone. The video has been cleaned up somewhat (cropped, logos removed and stabilized), but it remains quite jerky, due in large part to its low frame rate. What are some tricks that might clean up the video in this regard ? I feel that I am asking for something a bit like tweening in flash animations, but for pixels, whereby additional frames are generated using nearby frames of the video. Does such a trick exist ? Is there another way to approach this problem ?

    To reproduce the video processing so far, take the following steps :

    # get video
    
wget http://www.anwarweb.net/saddamdown.wmv
    
# crop
    
ffmpeg -i saddamdown.wmv -filter:v "crop=292:221:14:10" -c:a copy saddamdown_crop.wmv
    
# remove logo 1
    
ffmpeg -i saddamdown_crop.wmv -vf delogo=x=17:y=77:w=8:h=54 -c:a copy saddamdown_crop_delogo_1.wmv
    
# remove logo 2
    
ffmpeg -i saddamdown_crop_delogo_1.wmv -vf delogo=x=190:y=174:w=54:h=8 -c:a copy saddamdown_crop_delogo_1_delogo_2.wmv
    
# stabilize
    
ffmpeg -i saddamdown_crop_delogo_1_delogo_2.wmv -vf deshake saddamdown_crop_delogo_1_delogo_2_deshake.wmv

    Note : The video is of the Saddam Hussein execution.

  • How can low frame rate video be made to look more smooth ?

    26 octobre 2017, par d3pd

    I am trying to clean up a video that was recorded in 2003 in low-light conditions on what was possibly a cameraphone. The video has been cleaned up somewhat (cropped, logos removed and stabilized), but it remains quite jerky, due in large part to its low frame rate. What are some tricks that might clean up the video in this regard ? I feel that I am asking for something a bit like tweening in flash animations, but for pixels, whereby additional frames are generated using nearby frames of the video. Does such a trick exist ? Is there another way to approach this problem ?

    To reproduce the video processing so far, take the following steps :

    # get video
    
wget http://www.anwarweb.net/saddamdown.wmv
    
# crop
    
ffmpeg -i saddamdown.wmv -filter:v "crop=292:221:14:10" -c:a copy saddamdown_crop.wmv
    
# remove logo 1
    
ffmpeg -i saddamdown_crop.wmv -vf delogo=x=17:y=77:w=8:h=54 -c:a copy saddamdown_crop_delogo_1.wmv
    
# remove logo 2
    
ffmpeg -i saddamdown_crop_delogo_1.wmv -vf delogo=x=190:y=174:w=54:h=8 -c:a copy saddamdown_crop_delogo_1_delogo_2.wmv
    
# stabilize
    
ffmpeg -i saddamdown_crop_delogo_1_delogo_2.wmv -vf deshake saddamdown_crop_delogo_1_delogo_2_deshake.wmv

    Note : The video is of the Saddam Hussein execution.

  • avformat/mpegtsenc : do not include adaptation field in teletext TS packets

    21 octobre 2021, par Alex Shumsky
    avformat/mpegtsenc : do not include adaptation field in teletext TS packets

    From ETSI EN 300 472 V1.3.1 (2003-05) Specification for conveying ITU-R System
    
B Teletext in DVB bitstreams :
    

    4.1 Transport Stream (TS) packet format
    
The standard TS packet syntax and semantics are followed, noting the following
    
constraint :

    - adaptation_field_control only the values "01" and "10" are permitted.
    

    Some set top boxes (Motorola, Arris, Zyxel) refuse non-conforming packets.
    

    Signed-off-by : Alex Shumsky <alexthreed@gmail.com>
    
Signed-off-by : Marton Balint <cus@passwd.hu>
    • [DH] libavformat/mpegtsenc.c

Navigation