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• unknown encoder libx264 windows

  28 novembre 2012, par shampoo

  i am testing clip bucket on a windows xp system , clip bucket (open source video share) uses ffmpeg to convert videos, the final command clip bucket executes is (i changed it a little to make it compatible with the current ffmpeg) :

  D:\ffmpeg-snapshot-git\ffmpeg\ffmpeg.exe -i C:
  
  \wamp\www\chclip/files/conversion_queue/1352973741c353c.mp4 -f flv -vcodec libx2
  
  64 -pre normal -r 25 -s 426x240 -aspect 1.775 -vf "pad=10:20:30:40:yellow"  -ac
  
  odec libfaac -ab 128000 -ar 22050 C:\wamp\www\chclip/files/videos/13540939451e18
  
  4.flv 2> C:\wamp\www\chclip/files/temp/13540939461c124.tmp 2>&1

  and this is the response i get

  ffmpeg version 1.0.git Copyright (c) 2000-2012 the FFmpeg developers
  
  built on Nov 19 2012 16:42:42 with gcc 4.6.2 (GCC)
  
  configuration:
  
  libavutil      52.  8.100 / 52.  8.100
  
  libavcodec     54. 73.100 / 54. 73.100
  
  libavformat    54. 37.100 / 54. 37.100
  
  libavdevice    54.  3.100 / 54.  3.100
  
  libavfilter     3. 23.101 /  3. 23.101
  
  libswscale      2.  1.102 /  2.  1.102
  
  libswresample   0. 16.100 /  0. 16.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\wamp\www\chclip/files/conversion_que
  
  ue/1352973741c353c.mp4':
  
  Metadata:
  
  major_brand     : isom
  
  minor_version   : 512
  
  compatible_brands: isomiso2avc1mp41
  
  encoder         : Lavf53.21.0
  
  Duration: 00:00:51.67, start: 0.000000, bitrate: 344 kb/s
  
  Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 426x240 [
  
  SAR 1:1 DAR 71:40], 308 kb/s, 15 fps, 15 tbr, 15 tbn, 30 tbc
  
  Metadata:
  
  handler_name    : VideoHandler
  
  Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, s16, 31
  
  kb/s
  
  Metadata:
  
  handler_name    : SoundHandler
  
  Unknown encoder 'libx264'

  how can i get this libx264 working in windows ?

• Trouble setting up rtmp audio streaming with ffmpeg and nginx

  20 septembre 2021, par igoryonya

  Can't figure out how to set up rtmp streaming with ffmpeg.
I've been trying to figure it out for about 2 weeks now.
I need to stream the default sound from my sound card over rtmp stream.
I don't need a video, only an audio.

  


  So, i've installed nginx with rtmp module and added the following code at the end of my "/etc/nginx/nginx.conf" file :

  


  rtmp {
        server {
                listen 1935;
                application cam1 {
                        live on;
                }
        }
}


  


  restarted my nginx installation :

  


  sudo systemctl status nginx.service


  


  Checked that the 1935 port is listening :

  


  ~$ sudo netstat -nlp|egrep -i 'nginx'
tcp        0      0 0.0.0.0:1935            0.0.0.0:*               LISTEN      1885931/nginx: mast 
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      1885931/nginx: mast 
tcp6       0      0 :::80                   :::*                    LISTEN      1885931/nginx: mast


  


  Launched an ffmpeg to capture my sound card, encode it into ogg format and stream it to the rtmp server (on the same computer with nginx installed) :

  


  ffmpeg -re -f pulse -i default -c:a libvorbis -content_type 'audio/ogg' -vn -f ogg rtmp://127.0.0.1/cam1/test


  


  And it looks like, it's streaming, by showing statistics.

  


  Then, I try to open it with the vlc player to test the stream and the yellow bar on the progress bar just going back and forth and never starts playing.
I tried to use vlc on the same computer and on the computer on the same network.

  


  Assuming, the computer, that is streaming rtmp has an IP : 192.168.0.1, I use the following connection URL in VLC :

  


  rtmp://192.168.0.1/cam1/test


  


• "Unknown encoder libx264" on Windows [migrated]

  29 novembre 2012, par shampoo

  I'm testing ClipBucket on a Windows XP system, and ClipBucket (open source video share) uses FFmpeg to convert videos. The final command it executes is (i changed it a little to make it compatible with the current FFmpeg) :

  D:\ffmpeg-snapshot-git\ffmpeg\ffmpeg.exe -i C:
  
  \wamp\www\chclip/files/conversion_queue/1352973741c353c.mp4 -f flv -vcodec libx2
  
  64 -pre normal -r 25 -s 426x240 -aspect 1.775 -vf "pad=10:20:30:40:yellow"  -ac
  
  odec libfaac -ab 128000 -ar 22050 C:\wamp\www\chclip/files/videos/13540939451e18
  
  4.flv 2> C:\wamp\www\chclip/files/temp/13540939461c124.tmp 2>&1

  And this is the response I get :

  ffmpeg version 1.0.git Copyright (c) 2000-2012 the FFmpeg developers
  
  built on Nov 19 2012 16:42:42 with gcc 4.6.2 (GCC)
  
  configuration:
  
  libavutil      52.  8.100 / 52.  8.100
  
  libavcodec     54. 73.100 / 54. 73.100
  
  libavformat    54. 37.100 / 54. 37.100
  
  libavdevice    54.  3.100 / 54.  3.100
  
  libavfilter     3. 23.101 /  3. 23.101
  
  libswscale      2.  1.102 /  2.  1.102
  
  libswresample   0. 16.100 /  0. 16.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\wamp\www\chclip/files/conversion_que
  
  ue/1352973741c353c.mp4':
  
  Metadata:
  
  major_brand     : isom
  
  minor_version   : 512
  
  compatible_brands: isomiso2avc1mp41
  
  encoder         : Lavf53.21.0
  
  Duration: 00:00:51.67, start: 0.000000, bitrate: 344 kb/s
  
  Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 426x240 [
  
  SAR 1:1 DAR 71:40], 308 kb/s, 15 fps, 15 tbr, 15 tbn, 30 tbc
  
  Metadata:
  
  handler_name    : VideoHandler
  
  Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, s16, 31
  
  kb/s
  
  Metadata:
  
  handler_name    : SoundHandler
  
  Unknown encoder 'libx264'

  How can I get this libx264 working in Windows ?