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  • 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 (...)

  • De l’upload à la vidéo finale [version standalone]

    31 janvier 2010, par

    Le chemin d’un document audio ou vidéo dans SPIPMotion est divisé en trois étapes distinctes.
    Upload et récupération d’informations de la vidéo source
    Dans un premier temps, il est nécessaire de créer un article SPIP et de lui joindre le document vidéo "source".
    Au moment où ce document est joint à l’article, deux actions supplémentaires au comportement normal sont exécutées : La récupération des informations techniques des flux audio et video du fichier ; La génération d’une vignette : extraction d’une (...)

  • Librairies et binaires spécifiques au traitement vidéo et sonore

    31 janvier 2010, par

    Les logiciels et librairies suivantes sont utilisées par SPIPmotion d’une manière ou d’une autre.
    Binaires obligatoires FFMpeg : encodeur principal, permet de transcoder presque tous les types de fichiers vidéo et sonores dans les formats lisibles sur Internet. CF ce tutoriel pour son installation ; Oggz-tools : outils d’inspection de fichiers ogg ; Mediainfo : récupération d’informations depuis la plupart des formats vidéos et sonores ;
    Binaires complémentaires et facultatifs flvtool2 : (...)

Sur d’autres sites (11067)

  • ppc : reduce overreads when loading 8 pixels in altivec dsp functions

    13 février 2014, par Janne Grunau
    ppc : reduce overreads when loading 8 pixels in altivec dsp functions

    Altivec can only load naturally aligned vectors. To handle possibly
    
unaligned data a second vector is loaded from an offset of the original
    
location and the data is recovered through a vector permutation.
    
Overreads are minimal if the offset for second load points to the last
    
element of data. This is 7 for loading eight 8-bit pixels and overreads
    
are reduced from 16 bytes to 8 bytes if the pixels are 64-bit aligned.
    
For unaligned pixels the overread is reduced from 23 bytes to 15 bytes
    
in the worst case.
    • [DBH] libavcodec/ppc/dsputil_altivec.c

  • avformat/framehash : enable new output

    14 avril 2016, par James Almer
    avformat/framehash : enable new output

    Also, make every addition except for sidedata part of version 1 instead of the
    
new version 2.
    

    Reviewed-by : Michael Niedermayer <michael@niedermayer.cc>
    • [DH] libavformat/framecrcenc.c
    • [DH] libavformat/framehash.c
    • [DH] libavformat/hashenc.c
    • [DH] libavformat/internal.h
    • [DH] libavformat/uncodedframecrcenc.c
    • [DH] tests/ref/fate/dca-xll_51_16_192_768_0
    • [DH] tests/ref/fate/dca-xll_51_16_192_768_0-dmix_2
    • [DH] tests/ref/fate/dca-xll_51_16_192_768_0-dmix_6
    • [DH] tests/ref/fate/dca-xll_51_16_192_768_1
    • [DH] tests/ref/fate/dca-xll_51_16_192_768_1-dmix_2
    • [DH] tests/ref/fate/dca-xll_51_16_192_768_1-dmix_6
    • [DH] tests/ref/fate/dca-xll_51_24_48_768
    • [DH] tests/ref/fate/dca-xll_51_24_48_768-dmix_2
    • [DH] tests/ref/fate/dca-xll_51_24_48_768-dmix_6
    • [DH] tests/ref/fate/dca-xll_51_24_48_none
    • [DH] tests/ref/fate/dca-xll_51_24_48_none-dmix_2
    • [DH] tests/ref/fate/dca-xll_51_24_48_none-dmix_6
    • [DH] tests/ref/fate/dca-xll_71_24_48_768_0
    • [DH] tests/ref/fate/dca-xll_71_24_48_768_0-dmix_2
    • [DH] tests/ref/fate/dca-xll_71_24_48_768_0-dmix_6
    • [DH] tests/ref/fate/dca-xll_71_24_48_768_1
    • [DH] tests/ref/fate/dca-xll_71_24_48_768_1-dmix_2
    • [DH] tests/ref/fate/dca-xll_71_24_48_768_1-dmix_6
    • [DH] tests/ref/fate/dca-xll_71_24_96_768
    • [DH] tests/ref/fate/dca-xll_71_24_96_768-dmix_2
    • [DH] tests/ref/fate/dca-xll_71_24_96_768-dmix_6
    • [DH] tests/ref/fate/dca-xll_x96_51_24_96_1509
    • [DH] tests/ref/fate/dca-xll_x96_51_24_96_1509-dmix_2
    • [DH] tests/ref/fate/dca-xll_x96_51_24_96_1509-dmix_6
    • [DH] tests/ref/fate/dca-xll_xch_61_24_48_768
    • [DH] tests/ref/fate/dca-xll_xch_61_24_48_768-dmix_2
    • [DH] tests/ref/fate/dca-xll_xch_61_24_48_768-dmix_6
    • [DH] tests/ref/fate/dcinema-encode
    • [DH] tests/ref/fate/g722-encode
    • [DH] tests/ref/fate/g726-encode-2bit
    • [DH] tests/ref/fate/g726-encode-3bit
    • [DH] tests/ref/fate/g726-encode-4bit
    • [DH] tests/ref/fate/g726-encode-5bit
    • [DH] tests/ref/fate/h264-crop-to-container
    • [DH] tests/ref/fate/h264-extreme-plane-pred
    • [DH] tests/ref/fate/mpeg4-resolution-change-down-down
    • [DH] tests/ref/fate/mpeg4-resolution-change-down-up
    • [DH] tests/ref/fate/mpeg4-resolution-change-up-down
    • [DH] tests/ref/fate/mpeg4-resolution-change-up-up
    • [DH] tests/ref/fate/utvideoenc_rgb_left
    • [DH] tests/ref/fate/utvideoenc_rgb_median
    • [DH] tests/ref/fate/utvideoenc_rgb_none
    • [DH] tests/ref/fate/utvideoenc_rgba_left
    • [DH] tests/ref/fate/utvideoenc_rgba_median
    • [DH] tests/ref/fate/utvideoenc_rgba_none
    • [DH] tests/ref/fate/utvideoenc_yuv420_left
    • [DH] tests/ref/fate/utvideoenc_yuv420_median
    • [DH] tests/ref/fate/utvideoenc_yuv420_none
    • [DH] tests/ref/fate/utvideoenc_yuv422_left
    • [DH] tests/ref/fate/utvideoenc_yuv422_median
    • [DH] tests/ref/fate/utvideoenc_yuv422_none
    • [DH] tests/ref/fate/vp8-sign-bias
    • [DH] tests/ref/fate/vp8-size-change
    • [DH] tests/ref/fate/vp8-test-vector-001
    • [DH] tests/ref/fate/vp8-test-vector-002
    • [DH] tests/ref/fate/vp8-test-vector-003
    • [DH] tests/ref/fate/vp8-test-vector-004
    • [DH] tests/ref/fate/vp8-test-vector-005
    • [DH] tests/ref/fate/vp8-test-vector-006
    • [DH] tests/ref/fate/vp8-test-vector-007
    • [DH] tests/ref/fate/vp8-test-vector-008
    • [DH] tests/ref/fate/vp8-test-vector-009
    • [DH] tests/ref/fate/vp8-test-vector-010
    • [DH] tests/ref/fate/vp8-test-vector-011
    • [DH] tests/ref/fate/vp8-test-vector-012
    • [DH] tests/ref/fate/vp8-test-vector-013
    • [DH] tests/ref/fate/vp8-test-vector-014
    • [DH] tests/ref/fate/vp8-test-vector-015
    • [DH] tests/ref/fate/vp8-test-vector-016
    • [DH] tests/ref/fate/vp8-test-vector-017
    • [DH] tests/ref/fate/vp9-00-quantizer-00
    • [DH] tests/ref/fate/vp9-00-quantizer-01
    • [DH] tests/ref/fate/vp9-00-quantizer-02
    • [DH] tests/ref/fate/vp9-00-quantizer-03
    • [DH] tests/ref/fate/vp9-00-quantizer-04
    • [DH] tests/ref/fate/vp9-00-quantizer-05
    • [DH] tests/ref/fate/vp9-00-quantizer-06
    • [DH] tests/ref/fate/vp9-00-quantizer-07
    • [DH] tests/ref/fate/vp9-00-quantizer-08
    • [DH] tests/ref/fate/vp9-00-quantizer-09
    • [DH] tests/ref/fate/vp9-00-quantizer-10
    • [DH] tests/ref/fate/vp9-00-quantizer-11
    • [DH] tests/ref/fate/vp9-00-quantizer-12
    • [DH] tests/ref/fate/vp9-00-quantizer-13
    • [DH] tests/ref/fate/vp9-00-quantizer-14
    • [DH] tests/ref/fate/vp9-00-quantizer-15
    • [DH] tests/ref/fate/vp9-00-quantizer-16
    • [DH] tests/ref/fate/vp9-00-quantizer-17
    • [DH] tests/ref/fate/vp9-00-quantizer-18
    • [DH] tests/ref/fate/vp9-00-quantizer-19
    • [DH] tests/ref/fate/vp9-00-quantizer-20
    • [DH] tests/ref/fate/vp9-00-quantizer-21
    • [DH] tests/ref/fate/vp9-00-quantizer-22
    • [DH] tests/ref/fate/vp9-00-quantizer-23
    • [DH] tests/ref/fate/vp9-00-quantizer-24
    • [DH] tests/ref/fate/vp9-00-quantizer-25
    • [DH] tests/ref/fate/vp9-00-quantizer-26
    • [DH] tests/ref/fate/vp9-00-quantizer-27
    • [DH] tests/ref/fate/vp9-00-quantizer-28
    • [DH] tests/ref/fate/vp9-00-quantizer-29
    • [DH] tests/ref/fate/vp9-00-quantizer-30
    • [DH] tests/ref/fate/vp9-00-quantizer-31
    • [DH] tests/ref/fate/vp9-00-quantizer-32
    • [DH] tests/ref/fate/vp9-00-quantizer-33
    • [DH] tests/ref/fate/vp9-00-quantizer-34
    • [DH] tests/ref/fate/vp9-00-quantizer-35
    • [DH] tests/ref/fate/vp9-00-quantizer-36
    • [DH] tests/ref/fate/vp9-00-quantizer-37
    • [DH] tests/ref/fate/vp9-00-quantizer-38
    • [DH] tests/ref/fate/vp9-00-quantizer-39
    • [DH] tests/ref/fate/vp9-00-quantizer-40
    • [DH] tests/ref/fate/vp9-00-quantizer-41
    • [DH] tests/ref/fate/vp9-00-quantizer-42
    • [DH] tests/ref/fate/vp9-00-quantizer-43
    • [DH] tests/ref/fate/vp9-00-quantizer-44
    • [D

  • What movie formats and resolutions should be generated to ensure cross-browser/platform compatibility ?

    31 août 2012, par ensnare

    I'm looking to generate web videos from movies taken with my digital camera. What formats should I generate, and at what resolution and bitrate to ensure playback on mobile and desktop devices ?

    Here's what I was thinking :

    Input format : AVI, MOV

    Output format : webm, ogv, mp4
    Output resolutions : 1080p, 720p, 320p

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