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  • Configuration spécifique d’Apache

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    Modules spécifiques
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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.
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  • Gphoto2 live view with nikon dslr5100 pipes to ffplay for 3 seconds then dies

    30 avril 2020, par Will Simpson

    I am trying to use my DSLR camera with OBS.
I have installed Gphoto2 on mac and have managed to get a connection to the camera.
Now I am trying to get some kind of live view window that I can then capture in OBS.

    



    The problem is when I use the following command, the camera makes like it is about to go into movie mode, the window opens and then the image begins streaming for usually about 4 seconds before it freezes.

    



    gphoto2 --port usb:250,006 --capture-movie --stdout | ffplay -i pipe:0 -vcodec mjpeg


    



    I specify the port because I also have my iphone camera in another window in OBS

    



    Does anyone have any suggestions ?

    


  • Use ffmpeg to concatenate a video and a timelapse

    26 décembre 2022, par tudors

    Input 1 : I used my phone to record a 25 fps movie with 1920x1080 resolution. There is sound.

    


    Input 2 : I used ffmpeg to create a timelapse movie i.e. 25 fps made out of 1920x1080 JPEGs. There is no sound.

    


    When I tried to concatenate them however, the result was a mess : It seems some fine detail is not matching between the two inputs, because the resulting video squishes the time lapse down to just 1 frame at the end.

    


    I have also tried this by first removing sound from video 1, so that both videos are soundless, and this does not give a different result.

    


    How can I tell ffmpeg that the two inputs are not incongruent, so as to achieve a correct 25 fps 1920x1080 video using all the frames from both inputs ?.

    


  • FFMPEG : Overylaying multiple videos with offset

    4 novembre 2014, par user1064504

    I am trying to overlay multiple videos in a split screen, with different offset (Audio, video both offset), initially I tried offsetting & overlaying like following

    avconv -i 1.webm -itsoffset 2 -s 640x480 -vf "movie=1.webm, scale=320:480 [vid2]; [vid2] overlay=0:0 [basis1]; [basis1][1] overlay=320:0" splitScreenOut.mp4

    & overlayed videos being offset by

    movie=overlay.avi:seek_point=1.4

    But this approach didn’t worked on my end, the -itsoffset offsets entire video output & seek_point wasn’t recognized by my ffmpeg build.

    Then I tried offsetting each video individually.

    avconv -itsoffset 4 -i 1.webm -c copy tmp1.webm

    & simply overlaying

    avconv -i tmp1.webm -s 640x480 -vf "[in] scale=640/3:480, pad=3.01*iw:ih [video0]; movie=tmp2.webm, scale=640/3:480 [video1];[video0][video1] overlay=(640)/3:0 [VidO1]; movie=tmp3.webm, scale=640/3:480 [video2];[VidO1][video2] overlay=(640/3)*2:0 [out]" -b:v 768k Output.webm

    The problem is all video start in split screen, from offset of first video as if individually offsetting didn’t worked.

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