[FFmpeg-user] Need assistance finding l transcoding

James E. Baird James.Baird at ccr.net
Thu Dec 13 19:12:23 EET 2018 

Carl,

Ubuntu 14.04.5 LTS running on ESXI 6.0 host. Seeing the similar results with an Intel Xeon server.

"Are they all pegged in compute or is there a lot else going on? (and what does the VM management system say?)" - All 8 cores get pegged. This is the only work being applied on the server and the VM management system reflects the CPU usage.

====== FFPROBE output for source channel ======
ffprobe version git-2017-01-22-f1214ad Copyright (c) 2007-2017 the FFmpeg developers
  built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
  configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab --enable-libwavpack --enable-nvenc
  libavutil      55. 44.100 / 55. 44.100
  libavcodec     57. 75.100 / 57. 75.100
  libavformat    57. 63.100 / 57. 63.100
  libavdevice    57.  2.100 / 57.  2.100
  libavfilter     6. 69.100 /  6. 69.100
  libavresample   3.  2.  0 /  3.  2.  0
  libswscale      4.  3.101 /  4.  3.101
  libswresample   2.  4.100 /  2.  4.100
  libpostproc    54.  2.100 / 54.  2.100
[mpeg2video @ 0x3568dc0] Invalid frame dimensions 0x0.
    Last message repeated 38 times
Input #0, mpegts, from 'udp://@239.129.2.110:59110':
  Duration: N/A, start: 84593.861144, bitrate: N/A
  Program 3
    Stream #0:0[0x31]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, bt709, bottom first), 1280x720 [SAR 1:1 DAR 16:9], Closed Captions, 59.94 fps, 59.94 tbr, 90k tbn, 119.88 tbc
    Stream #0:1[0x34](eng): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fltp, 384 kb/s
    Stream #0:2[0x35](spa): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo, fltp, 128 kb/s


====== FFPROBE output of destination stream =====

# ffprobe udp://@239.129.2.240:59240
ffprobe version git-2017-01-22-f1214ad Copyright (c) 2007-2017 the FFmpeg developers
  built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
 [h264 @ 0x3dbddc0] non-existing PPS 0 referenced
    Last message repeated 1 times
[h264 @ 0x3dbddc0] decode_slice_header error
[h264 @ 0x3dbddc0] no frame!
[h264 @ 0x3dbddc0] non-existing PPS 0 referenced
    Last message repeated 1 times
[h264 @ 0x3dbddc0] decode_slice_header error
[h264 @ 0x3dbddc0] no frame!
Input #0, mpegts, from 'udp://@239.129.2.240:59240':
  Duration: N/A, start: 88.184000, bitrate: N/A
  Program 1
    Metadata:
      service_name    : Service01
      service_provider: FFmpeg
    Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], Closed Captions, 59.94 fps, 59.94 tbr, 90k tbn, 119.88 tbc
    Stream #0:1[0x101](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, 5.1, fltp, 304 kb/s


=======FFMPEG output ======

# ffmpeg -i 'udp://@239.129.2.110:59110?fifo_size=1000000&overrun_nonfatal=1' -c:v libx264 -x264opts keyint=120:no-scenecut -b:v 6000k -profile:v high -c:a aac -f mpegts udp://@239.129.2.240:59240
ffmpeg version git-2017-01-22-f1214ad Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
  configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab --enable-libwavpack --enable-nvenc
  libavutil      55. 44.100 / 55. 44.100
  libavcodec     57. 75.100 / 57. 75.100
  libavformat    57. 63.100 / 57. 63.100
  libavdevice    57.  2.100 / 57.  2.100
  libavfilter     6. 69.100 /  6. 69.100
  libavresample   3.  2.  0 /  3.  2.  0
  libswscale      4.  3.101 /  4.  3.101
  libswresample   2.  4.100 /  2.  4.100
  libpostproc    54.  2.100 / 54.  2.100
[mpeg2video @ 0x30106e0] Invalid frame dimensions 0x0.
    Last message repeated 58 times
Input #0, mpegts, from 'udp://@239.129.2.110:59110?fifo_size=1000000&overrun_nonfatal=1':
  Duration: N/A, start: 84575.781144, bitrate: N/A
  Program 3
    Stream #0:0[0x31]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, bt709, bottom first), 1280x720 [SAR 1:1 DAR 16:9], Closed Captions, 59.94 fps, 59.94 tbr, 90k tbn, 119.88 tbc
    Stream #0:1[0x34](eng): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fltp, 384 kb/s
    Stream #0:2[0x35](spa): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo, fltp, 128 kb/s
[libx264 @ 0x30ffda0] using SAR=1/1
[libx264 @ 0x30ffda0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX XOP FMA4 LZCNT
[libx264 @ 0x30ffda0] profile High, level 3.2
Output #0, mpegts, to 'udp://@239.129.2.240:59240':
  Metadata:
    encoder         : Lavf57.63.100
    Stream #0:0: Video: h264 (libx264), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 6000 kb/s, 59.94 fps, 90k tbn, 59.94 tbc
    Metadata:
      encoder         : Lavc57.75.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/6000000 buffer size: 0 vbv_delay: -1
    Stream #0:1(eng): Audio: aac (LC), 48000 Hz, 5.1(side), fltp, 341 kb/s
    Metadata:
      encoder         : Lavc57.75.100 aac
Stream mapping:
  Stream #0:0 -> #0:0 (mpeg2video (native) -> h264 (libx264))
  Stream #0:1 -> #0:1 (ac3 (native) -> aac (native))
Press [q] to stop, [?] for help
frame=11155 fps= 55 q=25.0 size=  161663kB time=00:03:06.83 bitrate=7088.2kbits/s speed=0.916x


====== Top shows ========
%CPU 752.2 - %MEM 28.9 - 35:03.24 ffmpeg

====== FMPEG version =======
ffmpeg          7:3.2.2+git~trusty             amd64

-Thanks
Jimbo
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