/* I am streaming video with this command to red5 server. I can watch stream with jwplayer (flash) on web. But I tried to get stream with ffmpeg it gave an error. */

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mucahit@mucahit:$ ffmpeg -re -f video4linux2 -i /dev/video0 -ab 128k -ac 2 -ar 44100 -r 25 -s 320x240 -vb 660k -f flv 'rtmp://localhost/live/deneme' 

ffmpeg version N-51240-g644092c Copyright (c) 2000-2013 the FFmpeg developers
  built on Mar 24 2013 00:37:06 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  configuration: --enable-shared --enable-gpl --enable-nonfree --enable-postproc --enable-swscale --enable-pthreads --enable-libx264 --enable-libxvid --enable-libvorbis
  libavutil      52. 22.101 / 52. 22.101
  libavcodec     55.  1.100 / 55.  1.100
  libavformat    55.  0.100 / 55.  0.100
  libavdevice    55.  0.100 / 55.  0.100
  libavfilter     3. 48.100 /  3. 48.100
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
[video4linux2,v4l2 @ 0x12b82a0] Estimating duration from bitrate, this may be inaccurate
Input #0, video4linux2,v4l2, from '/dev/video0':
  Duration: N/A, start: 206.097684, bitrate: 147456 kb/s
    Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, 147456 kb/s, 30 fps, 30 tbr, 1000k tbn, 1000k tbc
Codec AVOption ab (set bitrate (in bits/s)) specified for output file #0 (rtmp://localhost/live/deneme) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
Output #0, flv, to 'rtmp://localhost/live/deneme':
  Metadata:
    encoder         : Lavf55.0.100
    Stream #0:0: Video: flv1 ([2][0][0][0] / 0x0002), yuv420p, 320x240, q=2-31, 660 kb/s, 1k tbn, 25 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo -> flv)

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mucahit@mucahit:~$ ffplay 'rtmp://localhost/live/deneme'ffplay version N-51240-g644092c Copyright (c) 2003-2013 the FFmpeg developers
  built on Mar 24 2013 00:37:06 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  configuration: --enable-shared --enable-gpl --enable-nonfree --enable-postproc --enable-swscale --enable-pthreads --enable-libx264 --enable-libxvid --enable-libvorbis
  libavutil      52. 22.101 / 52. 22.101
  libavcodec     55.  1.100 / 55.  1.100
  libavformat    55.  0.100 / 55.  0.100
  libavdevice    55.  0.100 / 55.  0.100
  libavfilter     3. 48.100 /  3. 48.100
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
[rtmp @ 0x7f1200004200] Server error:  vq=    0KB sq=    0B f=0/0   
rtmp://localhost/live/deneme: Operation not permitted

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/* red5 log */

[INFO] [pool-8-thread-3] org.red5.server.net.rtmp.codec.RTMPProtocolDecoder - Action connect
[INFO] [pool-8-thread-3] org.red5.server.net.rtmp.RTMPHandler - Connecting to: [WebScope@13c55849 Depth = 1, Path = '/default', Name = 'live']
[INFO] [pool-8-thread-3] org.red5.server.adapter.ApplicationAdapter - W3C x-category:session x-event:connect c-ip:127.0.0.1 c-client-id:3
[INFO] [pool-8-thread-3] org.red5.server.net.rtmp.codec.RTMPProtocolDecoder - Action createStream
[INFO] [pool-8-thread-3] org.red5.server.net.rtmp.codec.RTMPProtocolDecoder - Action play
[INFO] [pool-5-thread-2] org.red5.server.adapter.ApplicationAdapter - W3C x-category:stream x-event:play c-ip:127.0.0.1 x-sname:2f997043-794c-4964-af58-764686dd9bb8
[INFO] [pool-5-thread-1] org.red5.server.adapter.ApplicationAdapter - W3C x-category:stream x-event:stop c-ip:127.0.0.1 cs-bytes:3396 sc-bytes:3677 x-sname:2f997043-794c-4964-af58-764686dd9bb8
[INFO] [pool-8-thread-3] org.red5.server.adapter.ApplicationAdapter - W3C x-category:session x-event:disconnect c-ip:127.0.0.1 c-client-id:3