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  • Les vidéos

    21 avril 2011, par

    Comme les documents de type "audio", Mediaspip affiche dans la mesure du possible les vidéos grâce à la balise html5 .
    Un des inconvénients de cette balise est qu’elle n’est pas reconnue correctement par certains navigateurs (Internet Explorer pour ne pas le nommer) et que chaque navigateur ne gère en natif que certains formats de vidéos.
    Son avantage principal quant à lui est de bénéficier de la prise en charge native de vidéos dans les navigateur et donc de se passer de l’utilisation de Flash et (...)

  • Récupération d’informations sur le site maître à l’installation d’une instance

    26 novembre 2010, par

    Utilité
    Sur le site principal, une instance de mutualisation est définie par plusieurs choses : Les données dans la table spip_mutus ; Son logo ; Son auteur principal (id_admin dans la table spip_mutus correspondant à un id_auteur de la table spip_auteurs)qui sera le seul à pouvoir créer définitivement l’instance de mutualisation ;
    Il peut donc être tout à fait judicieux de vouloir récupérer certaines de ces informations afin de compléter l’installation d’une instance pour, par exemple : récupérer le (...)

  • Emballe médias : à quoi cela sert ?

    4 février 2011, par

    Ce plugin vise à gérer des sites de mise en ligne de documents de tous types.
    Il crée des "médias", à savoir : un "média" est un article au sens SPIP créé automatiquement lors du téléversement d’un document qu’il soit audio, vidéo, image ou textuel ; un seul document ne peut être lié à un article dit "média" ;

Sur d’autres sites (8971)

  • FFMPEG "Could not allocate memory" Errors through php

    10 décembre 2019, par Applepiee

    I’ve tried to find a solution online for days now but cannot find any solution.

    I just switched server (Intel Xeon to AMD) and since the switch I’ve not been able to get ffmpeg conversions working through the php script. ffmpeg was the exact same version and all php settings are set.

    All commands that the script executes (copied from log files) were tried in shell and executed with no problems.

    The errors look like this :

    [124] =>       handler_name    : Video Media Handler
    
    [125] =>     Stream #8:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 160 kb/s (default)
    
    [126] =>     Metadata:
    
    [127] =>       handler_name    : Sound Media Handler
    
    [128] => Stream mapping:
    
    [129] =>   Stream #0:0 (h264) -> concat:in0:v0
    
    [130] =>   Stream #1:0 (h264) -> concat:in1:v0
    
    [131] =>   Stream #2:0 (h264) -> concat:in2:v0
    
    [132] =>   Stream #3:0 (h264) -> concat:in3:v0
    
    [133] =>   Stream #4:0 (h264) -> concat:in4:v0
    
    [134] =>   Stream #5:0 (h264) -> concat:in5:v0
    
    [135] =>   Stream #6:0 (h264) -> concat:in6:v0
    
    [136] =>   Stream #7:0 (h264) -> concat:in7:v0
    
    [137] =>   scale -> Stream #0:0 (libvpx)
    
    [138] => Press [q] to stop, [?] for help
    
    [139] => [h264 @ 0x34f1dc0] get_buffer() failed
    
    [140] => [h264 @ 0x34f1dc0] thread_get_buffer() failed
    
    [141] => [h264 @ 0x34f1dc0] decode_slice_header error
    
    [142] => [h264 @ 0x34f1dc0] no frame!
    
    [143] => [h264 @ 0x350e680] Error splitting the input into NAL units.
    
    [144] => [h264 @ 0x352af40] Cannot allocate memory.
    
    [145] => [h264 @ 0x352af40] Could not allocate memory
    
    [146] => [h264 @ 0x352af40] h264_slice_header_init() failedError while decoding stream #0:0: Cannot allocate memory
    
    [147] => [h264 @ 0x352af40] Cannot allocate memory.
    
    [148] => [h264 @ 0x352af40] Could not allocate memory
    
    [149] => [h264 @ 0x352af40] h264_slice_header_init() failedError while decoding stream #0:0: Cannot allocate memory
    
    [150] => [h264 @ 0x352af40] Cannot allocate memory.
    
    [151] => [h264 @ 0x352af40] Could not allocate memory
    
    [152] => [h264 @ 0x352af40] h264_slice_header_init() failedError while decoding stream #0:0: Cannot allocate memory
    
    [153] => [h264 @ 0x352af40] Cannot allocate memory.
    
    [154] => [h264 @ 0x352af40] Could not allocate memory
    
    [155] => [h264 @ 0x352af40] h264_slice_header_init() failedError while decoding stream #0:0: Cannot allocate memory
    
    [156] => [h264 @ 0x352af40] Cannot allocate memory.
    
    [157] => [h264 @ 0x352af40] Could not allocate memory
    
...
    
..
    
  [211519] => [h264 @ 0x886a3c0] h264_slice_header_init() failedToo many errors when draining, this is a bug. Stop draining and force EOF.
    
    [211520] => Error while decoding stream #7:0: Internal bug, should not have happened
    
    [211521] => Cannot allocate memory.
    
    [211522] => sws: initFilter failed
    
    [211523] => [Parsed_scale_1 @ 0x8e0be40] Failed to configure output pad on Parsed_scale_1
    
    [211524] => Error reinitializing filters!
    
    [211525] => Error while filtering: Operation not permitted
    
    [211526] => Finishing stream 0:0 without any data written to it.
    
    [211527] => [libvpx @ 0x6f4c600] v1.8.1-301-g89375f031
    
    [211528] => Output #0, webm, to '/home/website/public_html/media/videos/tmb/2420/video_copy.webm':
    
    [211529] =>   Metadata:
    
    [211530] =>     major_brand     : isom
    
    [211531] =>     minor_version   : 512
    
    [211532] =>     compatible_brands: isomiso2avc1mp41
    
    [211533] =>     title           : Aibeya The Animation
    
    [211534] =>     encoder         : Lavf58.35.100
    
    [211535] =>     Chapter #0:0: start 0.000000, end 102.102000
    
    [211536] =>     Metadata:
    
    [211537] =>       title           : Intro
    
    [211538] =>     Chapter #0:1: start 102.102000, end 110.369000
    
    [211539] =>     Metadata:
    
    [211540] =>       title           : Title
    
    [211541] =>     Chapter #0:2: start 110.369000, end 312.179000
    
    [211542] =>     Metadata:
    
    [211543] =>       title           : Part 1
    
    [211544] =>     Chapter #0:3: start 312.179000, end 548.415000
    
    [211545] =>     Metadata:
    
    [211546] =>       title           : Part 2
    
    [211547] =>     Chapter #0:4: start 548.415000, end 706.831000
    
    [211548] =>     Metadata:
    
    [211549] =>       title           : Part 3
    
    [211550] =>     Chapter #0:5: start 706.831000, end 1011.052000
    
    [211551] =>     Metadata:
    
    [211552] =>       title           : Part 4
    
    [211553] =>     Chapter #0:6: start 1011.052000, end 1198.823000
    
    [211554] =>     Metadata:
    
    [211555] =>       title           : Part 5
    
    [211556] =>     Chapter #0:7: start 1198.823000, end 1501.408000
    
    [211557] =>     Metadata:
    
    [211558] =>       title           : Part 6
    
    [211559] =>     Chapter #0:8: start 1501.408000, end 1579.945000
    
    [211560] =>     Metadata:
    
    [211561] =>       title           : Part 7
    
    [211562] =>     Chapter #0:9: start 1579.945000, end 1654.293000
    
    [211563] =>     Metadata:
    
    [211564] =>       title           : Ending
    
    [211565] =>     Stream #0:0: Video: vp8 (libvpx), yuv420p, 400x240 [SAR 837:785 DAR 279:157], q=10-42, 250 kb/s, 23.98 fps, 1k tbn, 23.98 tbc (default)
    
    [211566] =>     Metadata:
    
    [211567] =>       encoder         : Lavc58.64.101 libvpx
    
    [211568] =>     Side data:
    
    [211569] =>       cpb: bitrate max/min/avg: 0/0/0 buffer size: 600000 vbv_delay: N/A
    
    [211570] => frame=    0 fps=0.0 q=0.0 Lsize=       1kB time=00:00:00.00 bitrate=N/A speed=   0x
    
    [211571] => video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
    
    [211572] => Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
    
    [211573] => Conversion failed!
    
)

    Command example used :

    ffmpeg_command is /usr/local/bin/ffmpeg -ss 100 -t 1 -i /home/website/public_html/media/videos/iphone/2407.mp4 -ss 197 -t 2 -i /home/website/public_html/media/videos/iphone/2407.mp4 -ss 294 -t 3 -i /home/website/public_html/media/videos/iphone/2407.mp4 -ss 391 -t 3 -i /home/website/public_html/media/videos/iphone/2407.mp4 -ss 488 -t 3 -i /home/website/public_html/media/videos/iphone/2407.mp4 -ss 585 -t 3 -i /home/website/public_html/media/videos/iphone/2407.mp4 -ss 682 -t 3 -i /home/website/public_html/media/videos/iphone/2407.mp4 -ss 779 -t 3 -i /home/website/public_html/media/videos/iphone/2407.mp4 -ss 876 -t 3 -i /home/website/public_html/media/videos/iphone/2407.mp4 -filter_complex "[0][1][2][3][4][5][6][7]concat=n=8:v=1:a=0",scale=400:240 -codec:v libx264 -unsharp -b:v 250k -maxrate 250k -bufsize 600k -qmin 10 -qmax 42 -threads 4 -an -y /home/website/public_html/media/videos/tmb/2407/video_copy.mp4

    PHP Info :
    PHP 5.6
    memory_limit 2001M
    max_execution_time 7200
    upload_max_filesize 2000M
    post_max_size 2000M
    max_input_time 7200
    exec is not disabled

    Server info
    CentOS Linux 7 (Core)
    ADVANCE-4 - AMD Epyc 7351P - 128GB DDR4 ECC 2400MHz - 2x HDD SATA 4TB Datacenter Class + 2x SSD NVMe 500GB Enterprise Class Soft RAID

    All help is really appreciated ! Thanks in advance

  • FFmpeg enable videotoolbox on iOS

    27 février 2016, par bigbangvn

    I build FFmpeg for iOS and have enabled VideoToolbox, but when decoding video use function avcodec_decode_video2, it doesn’t use VideoToolbox and very slow on iPhone.
    I use the example demuxing_decoding here : https://ffmpeg.org/doxygen/trunk/demuxing_decoding_8c-example.html
    and have try to setup VideoToolbox decoding without success.

    Have anyone encountered that problem ?

  • How to reduce the frame-rate programmatically with FFMPEG

    11 avril 2013, par stackr

    I'm looking for a way, or the best way, to get a high-frame-rate movie in a stream (http or rtsp) to run smooth on my (in my case) iPhone app. The normal frame-rate movies run smooth (approx. 30fps), but want special high frame rate movies to also run smooth.

    The way i was thinking was dropping frames when there is not enough time to process the frames.
    Or is there perhaps another way ?

    Can anybody point me in the right direction of fixing this, or perhaps supply me some samples ?

    I use FFMPEG, so there must be some experts here.

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