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  • Join us for the Piwik Community Meetup 2015 !

    25 juin 2015, par Piwik Core Team — Community, Meta

    We’re excited to announce that our third Piwik Community Meetup will be held in Berlin on Tuesday, the 4th of August, 2015. Don’t miss this great opportunity to connect with other users and meet the core team behind Piwik. It’s free, so REGISTER TODAY ! And maybe you would like to share your Piwik use case ? We’re also waiting for your presentation ideas.

    We will cover some of the upcoming features, discuss the future of Piwik, share tricks and hacks to help you get the most out of your Piwik platform, and socialise. If you use Piwik to improve your websites and apps, or are just generally curious about digital analytics and marketing – this event is not to be missed. As our core team is scattered all over the world, this will be a rare opportunity for you to meet and talk to us all at once – especially for those of you interested in the platform, integrating your app with Piwik, and building plugins.

    After the official part, we would like to enjoy drinks with all the participants in the nearby bars. We hope you will be able to join us !

    All Piwik community members are warmly invited to take part in the meetup !

    Piwik Community Meetup 2015

    When ?

    Tuesday, the 4th of August, from 5-9pm

    Where ?

    Kulturbrauerei
    Schönhauser Allee
    Prenzlauer Berg area
    Berlin, Germany
    exact directions tbc.

    Languages :

    English and German

    Book tickets :

    BOOK YOUR FREE INVITATION HERE

    Open call for YOUR presentation ideas

    We would also like to hear how you use Piwik – we’ll be delighted if you’d share your interesting use case during the Meetup. Please send your presentation ideas (speaking time : 5 to 7 minutes) to : meetup@piwik.pro ! Deadline : 20th of July 2015.

    Contact the organisers :

    meetup@piwik.pro

  • avformat/mpegts : use get_packet_size in mpegts_resync for determining raw_packet_size

    20 mai 2020, par Marton Balint
    avformat/mpegts : use get_packet_size in mpegts_resync for determining raw_packet_size

    The old resync logic had some bugs, for example the packet size could stuck
    
into 192 bytes, because pos47_full was not updated for every packet, and for
    
unseekable inputs the resync logic simply skipped some 0x47 sync bytes,
    
therefore the calculated distance between sync bytes was a multiple of 188
    
bytes.
    

    AVIO only buffers a single packet (for UDP/mpegts, that usually means 1316
    
bytes), so for every ten consecutive 188-byte MPEGTS packets there was always a
    
seek failure, and that caused the old code to not find the 188 byte pattern
    
across 10 consecutive packets.
    

    This patch changes the custom logic to the one which is used when probing to
    
determine the packet size. This was already proposed as a FIXME a long time
    
ago...
    • [DH] libavformat/mpegts.c

  • avcodec/jpegxl_parser : fix reading lz77-pair as initial entropy symbol

    7 novembre 2024, par Leo Izen
    avcodec/jpegxl_parser : fix reading lz77-pair as initial entropy symbol

    The JPEG XL parser has an entropy decoder inside, which supports LZ77
    
length-distance pairs. If the first symbol from the entropy stream is an
    
LZ77 pair, the bitstream is invalid, so we should abort immediately rather
    
than attempt to read it anyway (which would read from the uninitialized
    
starting window).
    

    Reported-by : Kacper Michajłow <kasper93@gmail.com>
    
Found-by : ossfuzz
    
Fixes : 368725676/clusterfuzz-testcase-minimized-fuzzer_protocol_file-6022251122589696-cut
    
Fixes : 42537758/clusterfuzz-testcase-minimized-fuzzer_protocol_file-5818969469026304-cut
    
Signed-off-by : Leo Izen <leo.izen@gmail.com>
    • [DH] libavcodec/jpegxl_parser.c

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