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  • Making a movie from the url using ffmpeg and phantomjs

    1er novembre 2016, par Matt

    Im Taking screen shots from a url, using phantomjs using the setIntreval function (25 right now) and then piping the output to the ffmpeg (Using the frame rate -r 24).
    Here is the Code. ffmpeg.js

    var page = require('webpage').create();
    
page.viewportSize = { width: 1024, height: 768 };
    

    
page.open('http://ewoken.github.io/Leaflet.MovingMarker/', function () {
    
  setInterval(function() {
    
    page.render('/dev/stdout', { format: "png" });
    
  }, 25);
    
});

    Then I run the script using this.

    phantomjs ffmpeg.js | ffmpeg -y -c:v png -f image2pipe -r 24 -t 10 -i - -c:v libx264 -pix_fmt yuv420p -movflags +faststart output.mp4

    Like In the command Im getting the 10 sec video with the page, But Its all speeding up fast first and completely freezes with a last frame.

    Can you guys help me, with a work around, enabling me to record the page , AS IS ? Like if there is a 3000 delay animation in the movie, It should appear like real in the movie, like smooth and in real time.

    Thank you guys. Stuck on this for a long time now.

    Cheers,

  • lavc/ffv1dec : Scale output for msb-packed compression to full 16bit.

    17 novembre 2016, par Carl Eugen Hoyos
    lavc/ffv1dec : Scale output for msb-packed compression to full 16bit.

    2% slowdown for existing decode-line timer.
    • [DH] libavcodec/ffv1dec.c
    • [DH] libavcodec/version.h

  • softfloat : decrease MIN_EXP to cover full float range

    25 novembre 2016, par Andreas Cadhalpun
    softfloat : decrease MIN_EXP to cover full float range

    floats are not necessarily normalized, so a normalized softfloat needs
    
MIN_EXP lowered by 23 to cover that range.
    

    Reviewed-by : Michael Niedermayer <michael@niedermayer.cc>
    
Signed-off-by : Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
    • [DH] libavutil/softfloat.h

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