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• heroku paperclip video error Av::UnableToDetect (Unable to detect any supported library) :

  6 janvier 2021, par nourza

  I am trying to upload video to my website with paperclip and it work perfectly locally but in heroku I got this error

  


   ActionController::RoutingError (No route matches [GET] "/videos/original/missing.png"):
2021-01-06T19:53:12.425050+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/actionpack-4.2.11.1/lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
2021-01-06T19:53:12.425050+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/actionpack-4.2.11.1/lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
2021-01-06T19:53:12.425050+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/railties-4.2.11.1/lib/rails/rack/logger.rb:38:in `call_app'
2021-01-06T19:53:12.425052+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/railties-4.2.11.1/lib/rails/rack/logger.rb:20:in `block in call'
2021-01-06T19:53:12.425052+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/activesupport-4.2.11.1/lib/active_support/tagged_logging.rb:68:in `block in tagged'
2021-01-06T19:53:12.425052+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/activesupport-4.2.11.1/lib/active_support/tagged_logging.rb:26:in `tagged'
2021-01-06T19:53:12.425053+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/activesupport-4.2.11.1/lib/active_support/tagged_logging.rb:68:in `tagged'
2021-01-06T19:53:12.425053+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/railties-4.2.11.1/lib/rails/rack/logger.rb:20:in `call'
2021-01-06T19:53:12.425053+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/actionpack-4.2.11.1/lib/action_dispatch/middleware/request_id.rb:21:in `call'
2021-01-06T19:53:12.425054+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/rack-1.6.13/lib/rack/methodoverride.rb:22:in `call'
2021-01-06T19:53:12.425055+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/rack-1.6.13/lib/rack/runtime.rb:18:in `call'
2021-01-06T19:53:12.425055+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/activesupport-4.2.11.1/lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
2021-01-06T19:53:12.425055+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/actionpack-4.2.11.1/lib/action_dispatch/middleware/static.rb:120:in `call'
2021-01-06T19:53:12.425056+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/rack-1.6.13/lib/rack/sendfile.rb:113:in `call'
2021-01-06T19:53:12.425057+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/actionpack-4.2.11.1/lib/action_dispatch/middleware/ssl.rb:24:in `call'
2021-01-06T19:53:12.425057+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/railties-4.2.11.1/lib/rails/engine.rb:518:in `call'
2021-01-06T19:53:12.425061+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/railties-4.2.11.1/lib/rails/application.rb:165:in `call'
2021-01-06T19:53:12.425061+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/rack-1.6.13/lib/rack/content_length.rb:15:in `call'
2021-01-06T19:53:12.425061+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/puma-5.1.1/lib/puma/configuration.rb:246:in `call'
2021-01-06T19:53:12.425062+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/puma-5.1.1/lib/puma/request.rb:76:in `block in handle_request'
2021-01-06T19:53:12.425062+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/puma-5.1.1/lib/puma/thread_pool.rb:337:in `with_force_shutdown'
2021-01-06T19:53:12.425062+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/puma-5.1.1/lib/puma/request.rb:75:in `handle_request'
2021-01-06T19:53:12.425063+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/puma-5.1.1/lib/puma/server.rb:431:in `process_client'
2021-01-06T19:53:12.425063+00:00 app[web.1]: vendor/bundle/ruby/2.6.0/gems/puma-5.1.1/lib/puma/thread_pool.rb:145:in `block in spawn_thread'
2021-01-06T19:53:12.425063+00:00 app[web.1]: 
2021-01-06T19:53:12.425064+00:00 app[web.1]: 
2021-01-06T19:53:12.458808+00:00 heroku[router]: at=info method=GET path="/videos/original/missing.png" host=www.mobileimplantlab.ca request_id=a7661465-ee4e-49d4-b694-27814e4fb23b fwd="24.85.18.207" dyno=web.1 connect=0ms service=71ms status=404 bytes=222 protocol=https
2021-01-06T19:53:30.751932+00:00 app[web.1]: Started POST "/galleries" for 24.85.18.207 at 2021-01-06 19:53:30 +0000
2021-01-06T19:53:30.768629+00:00 app[web.1]: Processing by GalleriesController#create as HTML
2021-01-06T19:53:30.768802+00:00 app[web.1]: Parameters: {"utf8"=>"✓", "authenticity_token"=>"YFGiYYWmgDb+foSNMk1u1o2H2bp11nqwjAVzc4jqeGYDxoG6zLNGyFxBMvUrqxhBUAt+pex21VI+NqRGucRGOQ==", "gallery"=>{"product_name"=>"", "title1"=>"", "title2"=>"", "title3"=>"", "title4"=>"", "title5"=>"", "videotitle"=>"", "video"=>#, @original_filename="IMG_2826.mp4", @content_type="video/mp4", @headers="Content-Disposition: form-data; name=\"gallery[video]\"; filename=\"IMG_2826.mp4\"\r\nContent-Type: video/mp4\r\n">}, "commit"=>"Submit"}
2021-01-06T19:53:30.790290+00:00 app[web.1]: User Load (5.8ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1  ORDER BY "users"."id" ASC LIMIT 1  [["id", 1]]
2021-01-06T19:53:30.836411+00:00 app[web.1]: [paperclip] Trying to link /tmp/RackMultipart20210106-4-baa646.mp4 to /tmp/847606d3771b12aa2d91db7647fe3a4920210106-4-1m2r6hc.mp4
2021-01-06T19:53:30.844138+00:00 app[web.1]: [paperclip] Trying to link /tmp/847606d3771b12aa2d91db7647fe3a4920210106-4-1m2r6hc.mp4 to /tmp/847606d3771b12aa2d91db7647fe3a4920210106-4-fg47sn.mp4
2021-01-06T19:53:30.858332+00:00 app[web.1]: Command :: file -b --mime '/tmp/847606d3771b12aa2d91db7647fe3a4920210106-4-fg47sn.mp4'
2021-01-06T19:53:30.938505+00:00 app[web.1]: [AV] Running command: if command -v avprobe 2>/dev/null; then echo "true"; else echo "false"; fi
2021-01-06T19:53:30.960650+00:00 app[web.1]: [AV] Running command: if command -v ffmpeg 2>/dev/null; then echo "true"; else echo "false"; fi
2021-01-06T19:53:30.973770+00:00 app[web.1]: Completed 500 Internal Server Error in 204ms (ActiveRecord: 14.0ms)
2021-01-06T19:53:30.975178+00:00 app[web.1]: 
2021-01-06T19:53:30.975180+00:00 app[web.1]: Av::UnableToDetect (Unable to detect any supported library):
2021-01-06T19:53:30.975180+00:00 app[web.1]: app/controllers/galleries_controller.rb:8:in `create


  


  here is my model

  


  class Gallery < ActiveRecord::Base
  has_attached_file :image1, :styles => { :medium => "300x300>", :thumb => "100x100>" }, :default_url => "/images/:style/missing.png"
  validates_attachment_content_type :image1, :content_type => /\Aimage\/.*\Z/
  has_attached_file :image2, :styles => { :medium => "300x300>", :thumb => "100x100>" }, :default_url => "/images/:style/missing.png"
  validates_attachment_content_type :image2, :content_type => /\Aimage\/.*\Z/
  has_attached_file :image3, :styles => { :medium => "300x300>", :thumb => "100x100>" }, :default_url => "/images/:style/missing.png"
  validates_attachment_content_type :image3, :content_type => /\Aimage\/.*\Z/
  has_attached_file :image4, :styles => { :medium => "300x300>", :thumb => "100x100>" }, :default_url => "/images/:style/missing.png"
  validates_attachment_content_type :image4, :content_type => /\Aimage\/.*\Z/
  has_attached_file :image5, :styles => { :medium => "300x300>", :thumb => "100x100>" }, :default_url => "/images/:style/missing.png"
  validates_attachment_content_type :image5, :content_type => /\Aimage\/.*\Z/
  has_attached_file :video, :styles => {
     :medium => { :geometry => "500x500", :format => 'jpg' },
     :thumb => { :geometry => "100x100", :format => 'jpg' }
  }, :processors => [:transcoder]

validates_attachment_content_type :video,
    :content_type => [
      "video/mp4", 
      "video/quicktime",
      "video/3gpp",
      "video/x-ms-wmv",
      "video/mov",
      "video/flv",
      ],
    :message => "Sorry! We do not accept the attached file type"

end


  


  I have these gems for it

  


  gem "paperclip"
gem 'paperclip-av-transcoder'
gem "paperclip-ffmpeg", "~> 1.2.0"


  


  I did few research on this issue and it said that i have to add this to my heroku buildpack but when i add it my heroku website crashed. so I remove it. Is there any other solution ?
https://github.com/jonathanong/heroku-buildpack-ffmpeg-latest.git

  


  Thanks in advance

  


• ffmpeg : getting video from http page streamed to youtube

  28 novembre 2014, par M-T-A

  I’m trying to configure ffmpeg to stream to youtube from ubuntu machine.

  I have my wifi camera streaming with format ’video/x-ms-asf’ on local http page.

  Then I use these commands in attempt to stream to youtube

  VBR="2500k" # Bitrate 
  
  FPS="20" # FPS 
  
  QUAL="medium" #ffmpeg quality
  
  YOUTUBE_URL="rtmp://a.rtmp.youtube.com/live2" # URL base
  
  
  
  SOURCE="http://192.168.9.XX/videostream.asf?user=admin&pwd=***" # Source of video
  
  KEY="KEY HERE" # youtube event key
  
  
  
  ffmpeg \
  
  -i "$SOURCE"  \
  
  -vcodec copy -pix_fmt yuv420p -preset $QUAL -r $FPS -g $(($FPS * 2)) -b:v $VBR \
  
   -ar 44100 -threads 6 -qscale 3 -b:a 712000 -bufsize 512k \
  
  -f flv "$YOUTUBE_URL/$KEY" 

  I get this output

  moha@moha:~/Desktop$ sh start_stream_xmas.sh 
  
  ffmpeg version git-2014-11-28-ea38e5a Copyright (c) 2000-2014 the FFmpeg developers
  
    built on Nov 28 2014 11:06:47 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  
    configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-version3
  
    libavutil      54. 15.100 / 54. 15.100
  
    libavcodec     56. 13.100 / 56. 13.100
  
    libavformat    56. 15.101 / 56. 15.101
  
    libavdevice    56.  3.100 / 56.  3.100
  
    libavfilter     5.  2.103 /  5.  2.103
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  1.100 /  1.  1.100
  
    libpostproc    53.  3.100 / 53.  3.100
  
  [mjpeg @ 0xb0c0a60] ignoring invalid SAR: 0/0
  
  Guessed Channel Layout for  Input Stream #0.1 : mono
  
  Input #0, asf, from 'http://192.168.9.66/videostream.asf?user=admin&pwd=':
  
    Duration: N/A, start: 0.000000, bitrate: 32 kb/s
  
      Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p(pc, bt470bg/unknown/unknown), 640x480, 25 tbr, 1k tbn, 1k tbc
  
      Stream #0:1: Audio: adpcm_ima_wav ([17][0][0][0] / 0x0011), 8000 Hz, 1 channels, s16p, 32 kb/s
  
  Please use -q:a or -q:v, -qscale is ambiguous
  
  Output #0, flv, to 'rtmp://a.rtmp.youtube.com/live2/createnetxmas.kpjg-5fdg-qp1c-4bvd':
  
    Metadata:
  
      encoder         : Lavf56.15.101
  
      Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p, 640x480, q=2-31, 2500 kb/s, 1k tbn, 20 tbc
  
      Stream #0:1: Audio: mp3 (libmp3lame) ([2][0][0][0] / 0x0002), 44100 Hz, mono, s16p, 712 kb/s
  
      Metadata:
  
        encoder         : Lavc56.13.100 libmp3lame
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (copy)
  
    Stream #0:1 -> #0:1 (adpcm_ima_wav (native) -> mp3 (libmp3lame))
  
  Press [q] to stop, [?] for help
  
  Multiple frames in a packet from stream 1
  
  frame=   12 fps=0.0 q=-1.0 size=     882kB time=00:00:06.34 bitrate=1138.6kbits/frame=   13 fps= 13 q=-1.0 size=     953kB time=00:00:06.83 bitrate=1142.0kbits/frame=   14 fps=9.1 q=-1.0 size=    1029kB time=00:00:07.30 bitrate=1153.5kbits/frame=   15 fps=7.3 q=-1.0 size=    1104kB time=00:00:07.77 bitrate=1162.7kbits/frame=   16 fps=6.1 q=-1.0 size=    1181kB time=00:00:08.42 bitrate=1148.4kbits/frame=   17 fps=5.3 q=-1.0 size=    1256kB time=00:00:09.07 bitrate=1133.4kbits/frame=   18 fps=4.8 q=-1.0 size=    1325kB time=00:00:09.70 bitrate=1119.0kbits/frame=   19 fps=4.4 q=-1.0 size=    1403kB time=00:00:10.19 bitrate=1127.3kbits/frame=   20 fps=4.1 q=-1.0 size=    1482kB time=00:00:10.66 bitrate=1138.3kbits/frame=   21 fps=3.9 q=-1.0 size=    1556kB time=00:00:11.31 bitrate=1126.0kbits/moha@moha:~/Desktop$ 

  Suddenly the streaming stops and the terminal hangs. I’m not sure why. Is it because the video has no audio in streaming ?

• ffmpeg Segmentation fault5 when video bit rate increasead

  17 novembre 2014, par sridhar govindaraj

  I’m trying to use ffmpeg for streaming directly from camera to mobile through wifi.So i would like increase the bit rate as 10Mbps for 720p.Is it possible do using ffmpeg ?
  When I tried to increase the bitrate I’m facing the following issue : "Segmentation fault5" the below is my command log :

  root@arm:~# ffmpeg -f video4linux2 -s 320x240 -i /dev/video0 -r 26 -b 1200k  -f mpegts       "udp://30.0.0.13:5050"
  
  ffmpeg version 0.8.16-6:0.8.16-1, Copyright (c) 2000-2014 the Libav developers
  
  built on Sep 17 2014 13:57:48 with gcc 4.6.3
  
  The ffmpeg program is only provided for script compatibility and will be removed
  
  in a future release. It has been deprecated in the Libav project to allow for
  
  incompatible command line syntax improvements in its replacement called avconv
  
  (see Changelog for details). Please use avconv instead.
  
  [video4linux2 @ 0x40660] Estimating duration from bitrate, this may be inaccurate
  
  Input #0, video4linux2, from '/dev/video0':
  
  Duration: N/A, start: 1416222103.881697, bitrate: 27648 kb/s
  
  Stream #0.0: Video: rawvideo, yuv420p, 320x240, 27648 kb/s, 30 tbr, 1000k tbn, 30 tbc
  
  [buffer @ 0x40da0] w:320 h:240 pixfmt:yuv420p
  
  [mpegts @ 0x410c0] muxrate VBR, pcr every 2 pkts, sdt every 200, pat/pmt every 40 pkts
  
  Output #0, mpegts, to 'udp://30.0.0.13:5050':
  
    Metadata:
  
      encoder         : Lavf53.21.1
  
      Stream #0.0: Video: mpeg2video, yuv420p, 320x240, q=2-31, 1200 kb/s, 90k tbn, 25 tbc
  
  Stream mapping:
  
    Stream #0.0 -> #0.0
  
  Press ctrl-c to stop encoding
  
  Segmentation fault5 q=7.0 size=   19220kB time=118.28 bitrate=1331.2kbits/s dup=0 drop=8