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  • Les formats acceptés

    28 January 2010, by

    Les commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
    ffmpeg -codecs ffmpeg -formats
    Les format videos acceptés en entrée
    Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
    Les formats vidéos de sortie possibles
    Dans un premier temps on (...)

  • Supporting all media types

    13 April 2011, by

    Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats: images: png, gif, jpg, bmp and more audio: MP3, Ogg, Wav and more video: AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data: OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

  • Création définitive du canal

    12 March 2010, by

    Lorsque votre demande est validée, vous pouvez alors procéder à la création proprement dite du canal. Chaque canal est un site à part entière placé sous votre responsabilité. Les administrateurs de la plateforme n’y ont aucun accès.
    A la validation, vous recevez un email vous invitant donc à créer votre canal.
    Pour ce faire il vous suffit de vous rendre à son adresse, dans notre exemple "http://votre_sous_domaine.mediaspip.net".
    A ce moment là un mot de passe vous est demandé, il vous suffit d’y (...)

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  • Using ffmpeg on Windows, what is the command to capture hardware encoded H264 stream from Logitech c930e

    2 May 2015, by Jeff

    I am using ffmpeg on Windows 8 and I would like to capture the built-in H264 hardware encoded stream from the Logitech c930e camera. The H264 built-in encoded stream is part of the UVC 1.5 interface.

    Using this command I have noticed that the c930e exposes two video pins through DirectShow: 0 and 1.

    ffmpeg -report -list_options true -f dshow -i video="Logitech Webcam C930e"

    [dshow @ 0000000002d89360]  Pin "Capture" (alternative pin name "0")

    [dshow @ 0000000002d89360]  Pin "Capture" (alternative pin name "1")

    It doesn’t seem to matter if I choose Pin 0 or 1, I still get raw video from the Logitech c930e webcam. On Linux, the supposed command involves v4l2, but this does not appear to exist in the default Windows version of ffmpeg from http://ffmpeg.zeranoe.com/builds/

    Does the default Windows build of ffmpeg support the direct capture of the UVC interface?

    This is the closest I have gotten on this journey, but still isn’t quite right:

    ffmpeg -report -f dshow -i video="Logitech Webcam C930e" -s 1920x1080 -r 30 -video_pin_name 1 -vcodec H264 -c copy -f mp4 Logitechc930eFeed.mp4

    As of April 17, 2015 I am still trying to figure this out and have two new pieces of info.

    I found this interesting article on Logitech’s website instructing the user to change the default Logitech driver to the generic USB Video Device driver:
    https://support.logitech.com/en_us/article/Install-native-UVC-drivers-for-your-Logitech-webcam?product=a0qi00000069v0MAAQ#

    I also found that my C930e had an older firmware (8.0.866), and Logitech recommends updating the firmware to 8.0.875 to fix an unspecified UVC H.264 issue.

    So now I have the latest firmware, and am using the generic "USB Video Device" on Windows 8.1.

    ffmpeg -list_devices true -f dshow -i

    which gives this output:

    ffmpeg version N-69608-g9dc45d1 Copyright (c) 2000-2015 the FFmpeg developers
     built with gcc 4.9.2 (GCC)
     configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
     libavutil      54. 18.100 / 54. 18.100
     libavcodec     56. 21.102 / 56. 21.102
     libavformat    56. 19.100 / 56. 19.100
     libavdevice    56.  4.100 / 56.  4.100
     libavfilter     5.  9.103 /  5.  9.103
     libswscale      3.  1.101 /  3.  1.101
     libswresample   1.  1.100 /  1.  1.100
     libpostproc    53.  3.100 / 53.  3.100
    [dshow @ 00000000045c9360] DirectShow video devices (some may be both video and audio devices)
    [dshow @ 00000000045c9360]  "Logitech Webcam C930e"
    [dshow @ 00000000045c9360]     Alternative name "@device_pnp_\\?\usb#vid_046d&pid_0843&mi_00#7&3693c0e6&1&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global"
    [dshow @ 00000000045c9360] DirectShow audio devices
    [dshow @ 00000000045c9360]  "Microphone (Logitech Webcam C930e)"
    [dshow @ 00000000045c9360]     Alternative name "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\wave_{BB8BE70B-4DDC-465F-9247-86E6EC98D627}"
    dummy: Immediate exit requested

    And this command:
    ffmpeg -list_options true -f dshow -i video="Logitech Webcam C930e"

    still gives this output:

    ffmpeg version N-69608-g9dc45d1 Copyright (c) 2000-2015 the FFmpeg developers
     built with gcc 4.9.2 (GCC)
     configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
     libavutil      54. 18.100 / 54. 18.100
     libavcodec     56. 21.102 / 56. 21.102
     libavformat    56. 19.100 / 56. 19.100
     libavdevice    56.  4.100 / 56.  4.100
     libavfilter     5.  9.103 /  5.  9.103
     libswscale      3.  1.101 /  3.  1.101
     libswresample   1.  1.100 /  1.  1.100
     libpostproc    53.  3.100 / 53.  3.100
    [dshow @ 0000000004469360] DirectShow video device options (from video devices)
    [dshow @ 0000000004469360]  Pin "Capture" (alternative pin name "0")
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=640x480 fps=5 max s=640x480 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=640x480 fps=5 max s=640x480 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=160x120 fps=5 max s=160x120 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=160x120 fps=5 max s=160x120 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=176x144 fps=5 max s=176x144 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=176x144 fps=5 max s=176x144 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=320x180 fps=5 max s=320x180 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=320x180 fps=5 max s=320x180 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=320x240 fps=5 max s=320x240 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=320x240 fps=5 max s=320x240 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=352x288 fps=5 max s=352x288 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=352x288 fps=5 max s=352x288 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=424x240 fps=5 max s=424x240 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=424x240 fps=5 max s=424x240 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=480x270 fps=5 max s=480x270 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=480x270 fps=5 max s=480x270 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=640x360 fps=5 max s=640x360 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=640x360 fps=5 max s=640x360 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=800x448 fps=5 max s=800x448 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=800x448 fps=5 max s=800x448 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=800x600 fps=5 max s=800x600 fps=24
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=800x600 fps=5 max s=800x600 fps=24
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=848x480 fps=5 max s=848x480 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=848x480 fps=5 max s=848x480 fps=30
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=960x540 fps=5 max s=960x540 fps=15
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=960x540 fps=5 max s=960x540 fps=15
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=1024x576 fps=5 max s=1024x576 fps=15
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=1024x576 fps=5 max s=1024x576 fps=15
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=1280x720 fps=5 max s=1280x720 fps=10
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=1280x720 fps=5 max s=1280x720 fps=10
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=1600x896 fps=5 max s=1600x896 fps=7.5
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=1600x896 fps=5 max s=1600x896 fps=7.5
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=1920x1080 fps=5 max s=1920x1080 fps=5
    [dshow @ 0000000004469360]   pixel_format=yuyv422  min s=1920x1080 fps=5 max s=1920x1080 fps=5
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=640x480 fps=5 max s=640x480 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=640x480 fps=5 max s=640x480 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=160x120 fps=5 max s=160x120 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=160x120 fps=5 max s=160x120 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=176x144 fps=5 max s=176x144 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=176x144 fps=5 max s=176x144 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=320x180 fps=5 max s=320x180 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=320x180 fps=5 max s=320x180 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=320x240 fps=5 max s=320x240 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=320x240 fps=5 max s=320x240 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=352x288 fps=5 max s=352x288 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=352x288 fps=5 max s=352x288 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=424x240 fps=5 max s=424x240 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=424x240 fps=5 max s=424x240 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=480x270 fps=5 max s=480x270 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=480x270 fps=5 max s=480x270 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=640x360 fps=5 max s=640x360 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=640x360 fps=5 max s=640x360 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=800x448 fps=5 max s=800x448 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=800x448 fps=5 max s=800x448 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=800x600 fps=5 max s=800x600 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=800x600 fps=5 max s=800x600 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=848x480 fps=5 max s=848x480 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=848x480 fps=5 max s=848x480 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=960x540 fps=5 max s=960x540 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=960x540 fps=5 max s=960x540 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=1024x576 fps=5 max s=1024x576 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=1024x576 fps=5 max s=1024x576 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=1280x720 fps=5 max s=1280x720 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=1280x720 fps=5 max s=1280x720 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=1600x896 fps=5 max s=1600x896 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=1600x896 fps=5 max s=1600x896 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=1920x1080 fps=5 max s=1920x1080 fps=30
    [dshow @ 0000000004469360]   vcodec=mjpeg  min s=1920x1080 fps=5 max s=1920x1080 fps=30
    [dshow @ 0000000004469360]  Pin "Capture" (alternative pin name "1")
    video=Logitech Webcam C930e: Immediate exit requested

  • av_read_frame of ffmpeg in windows always returning packet.stream_index as 0

    17 February 2015, by yanqing lu

    I’m using ffmpeg to demuxer, for some video like the windows’s sample Wildlife.wmv, the av_read_frame is always returning packet.stream_index=0. This leads the video queue very big and memory overflow. I get 15 frames of video, but only 1 frame of audio. Is there some options to control the av_read_frame, so I can read frames like: video-audio-video-audio, in this way it’s easy to sync AV and keep queue balance.

    Thanks in advance.

  • How to user ffmpeg in android app and how to add it to eclipse windows 7 operating system

    18 February 2015, by Prem Tammina

    I have added Android warzone liblary to compress the video (http://androidwarzone.blogspot.in/2011/12/ffmpeg4android.html). But it is not returning the compressing estimated time and size of the output file. So i decided to use the ffmpeg. Can any one give some info or steps to configure the ffmpeg in eclipse which was installed in windows7.

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