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• 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

  


• Unable to get nginx-vod-module plugin to work

  31 octobre 2020, par AAP

  My first time trying hands on nginx-vod-module or any video streaming for that matter.
I just want to play static mp4 videos which I place on the server but via hls instead of direct mp4 access. No actual live streaming

  


  Q1. Am I right in understanding that a mp4 video which I place locally on my server, will automatically get broken down into segments for HLS ?

  


  My nginx installation is here : /opt/kaltura/nginx
The mp4 file is placed at /opt/kaltura/nginx/test/vid.mp4

  


  In ../nginx/conf/server.conf, I have this :

  


  location /hls/ {
            alias test/;
            vod hls;
            vod_bootstrap_segment_durations 2000;
            vod_bootstrap_segment_durations 2000;
            vod_bootstrap_segment_durations 2000;
            vod_bootstrap_segment_durations 4000;

            include /opt/kaltura/nginx/conf/cors.conf;
        }
location / {
            root   html;
        }


  


  Now, I am able to access the m3u8 file :
curl http://104.167xxxxx/hls/vid.mp4/index.m3u8

  


  But when I try to open this file via VLC, I see these errors in errors.log :

  


  *2020/10/31 15:00:08 [error] 12749#0: *60 mp4_parser_validate_stsc_atom: zero entries, client: 49.207 ..., server: ubuntu, request: "GET /hls/vid.mp4/seg-1-v1.ts HTTP/1.1", host: "104.167. ..."
2020/10/31 15:00:08 [error] 12752#0: *61 mp4_parser_validate_stsc_atom: zero entries, client: 49.207 ..., server: ubuntu, request: "GET /hls/vid.mp4/seg-2-v1.ts HTTP/1.1", host: "104.167. ..."
2020/10/31 15:00:09 [error] 12749#0: *62 mp4_parser_validate_stsc_atom: zero entries, client: 49.207 ..., server: ubuntu, request: "GET /hls/vid.mp4/seg-3-v1.ts HTTP/1.1", host: "104.167. ..."
2020/10/31 15:00:10 [error] 12751#0: *63 mp4_parser_validate_stsc_atom: zero entries, client: 49.207 ..., server: ubuntu, request: "GET /hls/vid.mp4/seg-4-v1.ts HTTP/1.1", host: "104.167. ..."*


  


  Q2 : Is https must for this to work ?
Q3 : I dont see any /hls/vid.mp4 folder created anywhere on the server. Do I have to manually run ffmpeg separately to create the hls segments ?

  


  What wrong am I doing ?

  


• Nginx RTMP module to generate HLS

  28 novembre 2020, par Joe Lin

  I'm streaming an audio stream with opus codec from Kurento
via ffmpeg to nginx-rtmp-module. I'm using the below command to stream to nginx-rtmp :

  


  ffmpeg -protocol_whitelist file,udp,rtp  -i test-audio.sdp  
-c:a libopus  -f opus rtmp:///live/


  


  I see no error on the ffmpeg side. But there's no m3u8 file being generated. But I noticed the following in the nginx log :

  


  2020/11/23 23:19:31 [info] 95#0: *8 connect: app='live' args='' flashver='FMLE/3.0 (compatible; Lavf57.83' swf_url='' tc_url='rtmp://192.168.4.28:1935/live' page_url='' acodecs=0 vcodecs=0 object_encoding=0, client: 172.17.0.1, server: 0.0.0.0:1935


  


  Noticed the acodes=0. Does this mean that it doesn't like opus codec ?

  


  Below is my nginx.conf :

  


  rtmp {
    server {
        listen 1935;
        chunk_size 4096;
        application hopefm {
            live on;
            interleave on;

            hls on;
            hls_path /mnt/hls;
            hls_fragment 3;
            hls_playlist_length 60;
        }
    }
}


  


  Thanks for any help.