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Sur d’autres sites (8033)

  • support auto birate based on internet speed using nginx-vod-module

    30 juillet 2020, par Maurya Shubham

    Allow multiple resolution video streaming from single video url - It's possible with nginx-vod-module package or I need to create different-different resolution file and set them ?

    


    Currently I've manually crated master.m3u8 file.

    


    


    #EXTM3U

    


    #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=2149280,RESOLUTION=1280x720 index-v1-a1.m3u8

    


    #EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=2149280,RESOLUTION=1280x720,URI="iframes-v1-a1.m3u8"

    


    #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=246440,RESOLUTION=320x184 index-v1-a1.m3u8

    


    #EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=246440,RESOLUTION=320x184,URI="iframes-v1-a1.m3u8"

    


    #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=460560,RESOLUTION=512x288 index-v1-a1.m3u8

    


    #EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=460560,RESOLUTION=512x288,URI="iframes-v1-a1.m3u8"

    


    #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=836280,RESOLUTION=848x480 index-v1-a1.m3u8

    


    #EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=836280,RESOLUTION=848x480,URI="iframes-v1-a1.m3u8"

    


    #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=6221600,RESOLUTION=1920x1080 index-v1-a1.m3u8

    


    #EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=6221600,RESOLUTION=1920x1080,URI="iframes-v1-a1.m3u8"

    


    


    but when I crul video url the master.m3u8 file contain only one resolution.

    


    


    #EXTM3U

    


    #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=4742713,RESOLUTION=1920x1080,FRAMERATE=30.000,CODECS="avc1.640028,mp4a.40.2",VIDEO-RANGE=SDR
index-v1-a1.m3u8

    


    #EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=633524,RESOLUTION=1920x1080,CODECS="avc1.640028",URI="iframes-v1-a1.m3u8",VIDEO-RANGE=SDR

    


    


  • My filters seem to be applied in wrong order

    4 septembre 2020, par Jao

    I'm using ffmpeg to join frames into a video with some parameters.
Here is a sample of the commands I run :

    


    


    "ffmpeg -y -r 24 -f image2 -i "C :\Users\Pictures\me\frame%04d.bmp" -filter_complex "[0:v]select=between(n,0,76)[selected] ;[selected]crop=in_w:in_h-60-60:0:60[cropped] ;[cropped]scale=w=2ceil(2048.0/20.5):h=2ceil(858.0 /20.5) " -c:v libx264 -q:v 1 -b:v 2M "C :\Users\me\Video\output.mp4""

    


    


    When I run this command I have calculated the size of my cropping on the frames to remove black rectangles at the top and bottom of the frame (I tried using cropdetect but it doesn't fit my usecase so I'm using another soft).So my first that was that ffmpeg would crop on the input stream so it would only crop my black rectangles. But when I change my scale it crops a part of the image.

    


    So my understanding is that ffmpeg crops after scaling (maybe I'm wrong) and if I get the crop parameters on the input images it is sure the they will be wrong if I apply them on the scaled video.

    


    I tried using " ;" and "," to separate my filters. I tried naming and not naming my streams between filters. Nothing seems to solve my issue.

    


    What could I do to fix that or am I understanding the issue incorrectely ?
Thanks in advance

    


  • Getting error while deploying application with node-media-serve module and ffmpeg buildpack in heroku

    16 septembre 2020, par Anurag Gautam

    I have created a MERN app with video streaming by using node-media-serve module, with following configuration

    


    trans: {
  ffmpeg: '/vendor/ffmpeg',
   tasks: [] ,
   .....
}


    


    In local I have installed ffmpeg in trans.ffmpeg. and its working fine, But how we need to install ffmpeg in heroku .

    


    I have tried by adding heroku buildpacks
heroku buildpacks:add https://github.com/jonathanong/heroku-buildpack-ffmpeg-latest.git but its showing me error. May be some issue with config only.

    


    Heroku error :
2020-09-16T11:23:54.292896+00:00 app[web.1]: 9/16/2020 11:23:54 23 [ERROR] Node Media Trans Server startup failed. ffmpeg:/vendor/ffmpeg cannot be executed.

    


    Guys can you please help me reslove this issue

    


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