Recherche avancée

Médias (1)

Mot : - Tags -/lev manovitch

Autres articles (94)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
    This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)

  • Configuration spécifique pour PHP5

    4 février 2011, par

    PHP5 est obligatoire, vous pouvez l’installer en suivant ce tutoriel spécifique.
    Il est recommandé dans un premier temps de désactiver le safe_mode, cependant, s’il est correctement configuré et que les binaires nécessaires sont accessibles, MediaSPIP devrait fonctionner correctement avec le safe_mode activé.
    Modules spécifiques
    Il est nécessaire d’installer certains modules PHP spécifiques, via le gestionnaire de paquet de votre distribution ou manuellement : php5-mysql pour la connectivité avec la (...)

Sur d’autres sites (8120)

  • prores : Reject negative run and level values

    10 octobre 2013, par Luca Barbato
    prores : Reject negative run and level values
    

    Sample-Id : 00000611-google

    Reported-by : Mateusz "j00ru" Jurczyk and Gynvael Coldwind
    CC : libav-stable@libav.org

    • [DBH] libavcodec/proresdec.c
  • prores : Reject negative run and level values

    10 octobre 2013, par Luca Barbato
    prores : Reject negative run and level values
    

    Sample-Id : 00000611-google

    Reported-by : Mateusz "j00ru" Jurczyk and Gynvael Coldwind
    CC : libav-stable@libav.org

    • [DH] libavcodec/proresdec.c
  • ffmpeg says : "option framerate not found"

    16 juillet 2013, par Jason

    Good afternoon.

    I've been trying to use ffmpeg to split a .mpeg into a sequence of .jpeg images. Please note that this is the inverse problem of the one specified here, but the problem I'm facing is not the same as the problem the author of that thread is facing.

    Specifically, I have tried all the following mpeg codecs available in my ffmpeg installation :

    DEV D  ffv1            FFmpeg video codec #1
    DEVSD  ffvhuff         Huffyuv FFmpeg variant
    DEVSDT mpeg1video      MPEG-1 video
    D V DT mpeg1video_vdpau MPEG-1 video (VDPAU acceleration)
    D V D  mpeg2_crystalhd MPEG-2 Video (CrystalHD acceleration)
    DEVSDT mpeg2video      MPEG-2 video
    DEVSDT mpeg4           MPEG-4 part 2
    D V D  mpeg4_crystalhd MPEG-4 Part 2 (CrystalHD acceleration)
    D V DT mpeg4_vdpau     MPEG-4 part 2 (VDPAU)
    D VSDT mpegvideo       MPEG-1 video
    D V DT mpegvideo_vdpau MPEG-1/2 video (VDPAU acceleration)
    D VSDT mpegvideo_xvmc  MPEG-1/2 video XvMC (X-Video Motion Compensation)
    DEVSD  msmpeg4         MPEG-4 part 2 Microsoft variant version 3
    D V D  msmpeg4_crystalhd MPEG-4 Part 2 Microsoft variant version 3 (CrystalHD acceleration)
    D VSD  msmpeg4v1       MPEG-4 part 2 Microsoft variant version 1
    DEVSD  msmpeg4v2       MPEG-4 part 2 Microsoft variant version 2

    I've tried supplying ffmpeg with all different codecs to try to split an input .mpeg video file with 2548 frames into 2548 .jpegs, by using the -vcodec option :

    ffmpeg -r 2548 -i frames.mpeg frames_%06d.jpg -vcodec $codec

    where $codec is any codec among the ones listed above, e.g. ffv1, mpeg4, etc. However, all my efforts result in the following error :

    [NULL @ 0x1948f20] Value 4707126720094797824.000000 for parameter 'probesize' out of range
    [NULL @ 0x1948f20] Value 4707126720094797824.000000 for parameter 'analyzeduration' out of range
    [NULL @ 0x1948f20] Value 4697254411347427328.000000 for parameter 'indexmem' out of range
    [NULL @ 0x1948f20] Value 4703785510416416768.000000 for parameter 'rtbufsize' out of range
    [NULL @ 0x1948f20] Value -4616189618054758400.000000 for parameter 'fpsprobesize' out of range
    [NULL @ 0x1948f20] Value 4607182418800017408.000000 for parameter 'f_err_detect' out of     range
    [NULL @ 0x1948f20] Value 4607182418800017408.000000 for parameter 'err_detect' out of range
    Option framerate not found.  

    Which is weird, because I've actually specified the frame rate parameter through the -r switch. I googled a bit and it appears that this error was mentioned approximately a year and a half ago on the ffmpeg bug tracker but that information makes little sense to me because it's relevant to the devs. Curiously, if I interchange the position of the parameters and put -r after -i or even after -vcodec, the error message changes to :

    [NULL @ 0x24abf20] Value 4707126720094797824.000000 for parameter 'probesize' out of range
    [NULL @ 0x24abf20] Value 4707126720094797824.000000 for parameter 'analyzeduration' out of range
    [NULL @ 0x24abf20] Value 4697254411347427328.000000 for parameter 'indexmem' out of range
    [NULL @ 0x24abf20] Value 4703785510416416768.000000 for parameter 'rtbufsize' out of range
    [NULL @ 0x24abf20] Value -4616189618054758400.000000 for parameter 'fpsprobesize' out of  range
    [NULL @ 0x24abf20] Value 4607182418800017408.000000 for parameter 'f_err_detect' out of  range
    [NULL @ 0x24abf20] Value 4607182418800017408.000000 for parameter 'err_detect' out of range
    [NULL @ 0x24b23c0] Value 4686111960511545344.000000 for parameter 'b' out of range
    [NULL @ 0x24b23c0] Value 4683532506232782848.000000 for parameter 'ab' out of range
    [NULL @ 0x24b23c0] Value 4705844345939427328.000000 for parameter 'bt' out of range
    [NULL @ 0x24b23c0] Value 4617315517961601024.000000 for parameter 'me_method' out of range
    [NULL @ 0x24b23c0] Value 4622945017495814144.000000 for parameter 'g' out of range
    [NULL @ 0x24b23c0] Value 4611686018427387904.000000 for parameter 'qmin' out of range
    [NULL @ 0x24b23c0] Value 4629418941960159232.000000 for parameter 'qmax' out of range
    [NULL @ 0x24b23c0] Value 4613937818241073152.000000 for parameter 'qdiff' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'wpredp' out of range
    [NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'bug' out of range
    [NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'er' out of range
    [NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'err_detect' out of range
    [NULL @ 0x24b23c0] Value 4613937818241073152.000000 for parameter 'ec' out of range
    [NULL @ 0x24b23c0] Value 4620693217682128896.000000 for parameter 'ildctcmp' out of range
    [NULL @ 0x24b23c0] Value 4620693217682128896.000000 for parameter 'subq' out of range
    [NULL @ 0x24b23c0] Value 4696837138094751744.000000 for parameter 'ibias' out of range
    [NULL @ 0x24b23c0] Value 4696837138094751744.000000 for parameter 'pbias' out of range
    [NULL @ 0x24b23c0] Value 4642507528377204736.000000 for parameter 'lmin' out of range
    [NULL @ 0x24b23c0] Value 4660262442142531584.000000 for parameter 'lmax' out of range
    [NULL @ 0x24b23c0] Value 4696130710463840256.000000 for parameter 'flags2' out of range
    [NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'threads' out of range
    [NULL @ 0x24b23c0] Value 4620693217682128896.000000 for parameter 'nssew' out of range
    [NULL @ 0x24b23c0] Value -4586705114244317184.000000 for parameter 'profile' out of range
    [NULL @ 0x24b23c0] Value -4586705114244317184.000000 for parameter 'level' out of range
    [NULL @ 0x24b23c0] Value 4623507967449235456.000000 for parameter 'skipcmp' out of range
    [NULL @ 0x24b23c0] Value 4642507528377204736.000000 for parameter 'mblmin' out of range
    [NULL @ 0x24b23c0] Value 4660262442142531584.000000 for parameter 'mblmax' out of range
    [NULL @ 0x24b23c0] Value 4643211215818981376.000000 for parameter 'mepc' out of range
    [NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'bidir_refine' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'cqp' out of range
    [NULL @ 0x24b23c0] Value 4627730092099895296.000000 for parameter 'keyint_min' out of range
    [NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'refs' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'directpred' out of range
    [NULL @ 0x24b23c0] Value 4618441417868443648.000000 for parameter 'sc_factor' out of range
    [NULL @ 0x24b23c0] Value 4643211215818981376.000000 for parameter 'mv0_threshold' out of range
    [NULL @ 0x24b23c0] Value 4630826316843712512.000000 for parameter 'b_sensitivity' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'compression_level' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'min_prediction_order' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'max_prediction_order' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'prediction_order_method' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'min_partition_order' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'max_partition_order' out of range
    [NULL @ 0x24b23c0] Value 4607182418800017408.000000 for parameter 'ticks_per_frame' out of range
    [NULL @ 0x24b23c0] Value 4611686018427387904.000000 for parameter 'color_primaries' out of range
    [NULL @ 0x24b23c0] Value 4611686018427387904.000000 for parameter 'color_trc' out of range
    [NULL @ 0x24b23c0] Value 4611686018427387904.000000 for parameter 'colorspace' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'aq_mode' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'rc_lookahead' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'lpc_type' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'lpc_passes' out of range
    [NULL @ 0x24b23c0] Value 4613937818241073152.000000 for parameter 'thread_type' out of range
    [NULL @ 0x24b23c0] Value -4616189618054758400.000000 for parameter 'request_sample_fmt' out of range
    frames.mpeg: could not find codec parameters

    I'm at a loss as to what to do with this problem, and am looking for some assistance.

    Kind regards,

    Jason