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Autres articles (41)

  • 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" (...)

  • Other interesting software

    13 avril 2011, par

    We don’t claim to be the only ones doing what we do ... and especially not to assert claims to be the best either ... What we do, we just try to do it well and getting better ...
    The following list represents softwares that tend to be more or less as MediaSPIP or that MediaSPIP tries more or less to do the same, whatever ...
    We don’t know them, we didn’t try them, but you can take a peek.
    Videopress
    Website : http://videopress.com/
    License : GNU/GPL v2
    Source code : (...)

Sur d’autres sites (7904)

  • Converting mp4 audio & video for HTML5

    10 janvier 2020, par Crayzzit

    So I have two files. frag_bunny.mp4 and raw.mp4 (you can download them in a tar on my Google drive). The frag_bunny.mp4 works perfectly when I use it with the MediaSource’s JavaScript API. But it’s not the case with raw.mp4, why is that ?

    Here’s the mediainfo of frag_bunny.mp4 :

    General
    Complete name                            : frag_bunny.mp4
    Format                                   : MPEG-4
    Format profile                           : Base Media / Version 2
    Codec ID                                 : mp42 (mp42/avc1/iso5)
    File size                                : 5.27 MiB
    Duration                                 : 1 min 0 s
    Overall bit rate                         : 734 kb/s

    Video
    ID                                       : 2
    Format                                   : AVC
    Format/Info                              : Advanced Video Codec
    Format profile                           : Baseline@L3
    Format settings                          : 2 Ref Frames
    Format settings, CABAC                   : No
    Format settings, ReFrames                : 2 frames
    Format settings, GOP                     : M=1, N=64
    Codec ID                                 : avc1
    Codec ID/Info                            : Advanced Video Coding
    Duration                                 : 1 min 0 s
    Bit rate                                 : 613 kb/s
    Width                                    : 640 pixels
    Height                                   : 360 pixels
    Display aspect ratio                     : 16:9
    Frame rate mode                          : Variable
    Frame rate                               : 23.976 (23976/1000) FPS
    Minimum frame rate                       : 7.317 FPS
    Maximum frame rate                       : 24.000 FPS
    Color space                              : YUV
    Chroma subsampling                       : 4:2:0
    Bit depth                                : 8 bits
    Scan type                                : Progressive
    Bits/(Pixel*Frame)                       : 0.111
    Stream size                              : 4.39 MiB (83%)
    Language                                 : English
    Color range                              : Limited
    Color primaries                          : BT.601 NTSC
    Transfer characteristics                 : BT.709
    Matrix coefficients                      : BT.601

    Audio
    ID                                       : 1
    Format                                   : AAC
    Format/Info                              : Advanced Audio Codec
    Format profile                           : LC
    Codec ID                                 : mp4a-40-2
    Duration                                 : 1 min 0 s
    Bit rate mode                            : Constant
    Bit rate                                 : 64.0 kb/s
    Channel(s)                               : 2 channels
    Channel positions                        : Front: L R
    Sampling rate                            : 22.05 kHz
    Frame rate                               : 21.533 FPS (1024 SPF)
    Compression mode                         : Lossy
    Stream size                              : 478 KiB (9%)
    Language                                 : English

    Other #1
    ID                                       : 3
    Type                                     : Hint
    Format                                   : RTP
    Codec ID                                 : rtp
    Duration                                 : 1 min 0 s
    Language                                 : English

    Other #2
    ID                                       : 4
    Type                                     : Hint
    Format                                   : RTP
    Codec ID                                 : rtp
    Duration                                 : 1 min 0 s
    Language                                 : English

    And same for raw.mp4 :

    General
    Complete name                            : raw.mp4
    Format                                   : MPEG-4
    Format profile                           : Base Media / Version 2
    Codec ID                                 : mp42 (isom/iso2/avc1/mp41)
    File size                                : 16.9 MiB
    Duration                                 : 3 min 32 s
    Overall bit rate                         : 668 kb/s
    Writing application                      : Lavf57.83.100

    Video
    ID                                       : 1
    Format                                   : AVC
    Format/Info                              : Advanced Video Codec
    Format profile                           : High@L3
    Format settings                          : CABAC / 4 Ref Frames
    Format settings, CABAC                   : Yes
    Format settings, ReFrames                : 4 frames
    Codec ID                                 : avc1
    Codec ID/Info                            : Advanced Video Coding
    Duration                                 : 3 min 32 s
    Bit rate                                 : 532 kb/s
    Width                                    : 640 pixels
    Height                                   : 360 pixels
    Display aspect ratio                     : 16:9
    Frame rate mode                          : Constant
    Frame rate                               : 25.000 FPS
    Color space                              : YUV
    Chroma subsampling                       : 4:2:0
    Bit depth                                : 8 bits
    Scan type                                : Progressive
    Bits/(Pixel*Frame)                       : 0.092
    Stream size                              : 13.4 MiB (80%)
    Writing library                          : x264 core 152 r2854 e9a5903
    Encoding settings                        : cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=6 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=crf / mbtree=1 / crf=23.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00

    Audio
    ID                                       : 2
    Format                                   : AAC
    Format/Info                              : Advanced Audio Codec
    Format profile                           : LC
    Codec ID                                 : mp4a-40-2
    Duration                                 : 3 min 32 s
    Bit rate mode                            : Constant
    Bit rate                                 : 132 kb/s
    Channel(s)                               : 2 channels
    Channel positions                        : Front: L R
    Sampling rate                            : 44.1 kHz
    Frame rate                               : 43.066 FPS (1024 SPF)
    Compression mode                         : Lossy
    Stream size                              : 3.30 MiB (20%)
    Default                                  : Yes
    Alternate group                          : 1
  • How do I skip audio 1 and transcode audio 2 to aac with ffmpg ? [closed]

    25 septembre 2024, par CA Opa

    I have videos with 2 audio tracks. Track 1 is ac3 foreign and track 2 is flac English. I only want to transcode the English track 2. When I use ffmpg to map track 2 and transcode to aac the result is vorbis.

    


    Here is my code :

    


    "ffmpeg.exe" -i "U:\infile.mkv" -map 0:v:0 -c:v:0 copy -map 0:a:1 -c:a:1 aac -ac:a:1 2 -b:a:1 192000 -map 0:s:0 -c:s copy "U:\Outfile.mkv"


    


    This is what happens :

    


      Stream #0:0(eng): Video: h264 (High), yuv420p(tv, bt709/unknown/unknown, progressive), 1278x720 [SAR 1:1 DAR 71:40], 23.98 fps, 23.98 tbr, 1k tbn (default)
  Stream #0:1(rus): Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s (default)
      Metadata:
        title           : Многоголосый закадровый, студия "Селена Интернешнл"
  Stream #0:2(eng): Audio: flac, 48000 Hz, stereo, s16
  Stream #0:3(eng): Subtitle: subrip (srt)
[out#0/matroska @ 000001b979895440] Codec AVOption b:a:1 (set bitrate (in bits/s)) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some decoder which was not actually used for any stream.
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:2 -> #0:1 (flac (native) -> vorbis (libvorbis))
  Stream #0:3 -> #0:2 (copy)
Press [q] to stop, [?] for help
Output #0, matroska, to 'U:\Outfile.mkv':
  Metadata:
    encoder         : Lavf61.5.101
  Chapters:
    Chapter #0:0: start 0.000000, end 180.000000
      Metadata:
        title           : On a Cold Night...
  Stream #0:0(eng): Video: h264 (High) (H264 / 0x34363248), yuv420p(tv, bt709/unknown/unknown, progressive), 1278x720 [SAR 1:1 DAR 71:40], q=2-31, 23.98 fps, 23.98 tbr, 1k tbn (default)
  Stream #0:1(eng): Audio: vorbis (oV[0][0] / 0x566F), 48000 Hz, stereo, fltp
      Metadata:
        encoder         : Lavc61.11.100 libvorbis
  Stream #0:2(eng): Subtitle: subrip
[out#0/matroska @ 000001b979895440] video:174005KiB audio:1635KiB subtitle:1KiB other streams:0KiB global headers:4KiB muxing overhead: 0.059971%


    


    If I transcode both audio tracks it succeeds.

    


    "ffmpeg.exe" -i "infile.mkv" -map 0:v:0 -c:v:0 copy -map 0:a:0 -c:a:0 aac -ac:a:0 2 -b:a:0 192000 -map 0:a:1 -c:a:1 aac -ac:a:1 2 -b:a:1 192000 -map 0:s:0 -c:s copy "Outfile.mkv"


    


    If I just transcoding track 1 it works. Why does it fail when I only map audio track 2 ?

    


  • Piwik PRO is hiring a Project Coordinator (Job description)

    18 février 2015, par Matthieu Aubry — Jobs

    At Piwik and Piwik PRO we develop the leading open source web analytics platform, used by more than one million websites worldwide. Our vision is to build the best open alternative to Google Universal Analytics. We are growing and now looking for a Project Coordinator !

    What will you be doing ?

    • Participating in calls with Piwik PRO clients and analyzing requirements for enterprise customers
    • Planning and coordinating the implementation of projects
    • Helping customers to improve and adjust data reporting methods to suit their needs
    • Functioning as the voice of the customer and provide internal feedback on how Piwik PRO can better serve our customers

    What do we expect from you ?

    • Fluent command of English (both in writing and speaking), confidence to communicate in formal conversations and a good knowledge of business English
    • Previous experience in working with corporate clients
    • Great communication skills
    • A proactive attitude and the ability to use your initiative
    • Ability to achieve goals without detailed instructions

    Possessing these assets would be an advantage :

    • Technical knowledge associated with using data analytics platforms
    • Data analysis and interpretation skills
    • Knowledge of German or French
    • Knowledge of Piwik Analytics

    What can you expect from us ?

    • Flexible cooperation
    • An attractive salary
    • The opportunity to develop your skills and gain more experience by working on exceptional projects
    • Multisport Card
    • Access to a regularly updated resource library and the opportunity to contribute to it
    • Flexible working hours
    • Unforgettable parties and integration trips
    • A completely unique work atmosphere – we really like to keep things informal

    Location

    We have offices in Poland and New Zealand, and Remote work is possible.

    Ideally you will be located in the USA or in Europe where most of our clients are based.

    Apply online

    To apply for this position, please Apply online here. We look forward to receiving your applications !