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• ffmpeg works manually but not with cron ?

  2 mai 2017, par mdnba50

  I can successfully convert mp3 + audio to mp4 when i run the script manually.

  exec("/usr/bin/ffmpeg -loop 1 -i $destination_thumbnail -i $input_file -c:a copy -c:v libx264 -shortest $videoPath 2>&1",$output);

  When i have the above code in a script executed via cron it doesn’t convert. I get this error.

  Array
  
  (
  
      [0] => ffmpeg version 2.6.8 Copyright (c) 2000-2016 the FFmpeg developers
  
      [1] =>   built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
  
      [2] =>   configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic' --enable-bzlib --disable-crystalhd --enable-gnutls --enable-ladspa --enable-libass --enable-libcdio --enable-libdc1394 --enable-libfaac --enable-nonfree --enable-libfdk-aac --enable-nonfree --disable-indev=jack --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-openal --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libv4l2 --enable-libx264 --enable-libx265 --enable-libxvid --enable-x11grab --enable-avfilter --enable-avresample --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-runtime-cpudetect
  
      [3] =>   libavutil      54. 20.100 / 54. 20.100
  
      [4] =>   libavcodec     56. 26.100 / 56. 26.100
  
      [5] =>   libavformat    56. 25.101 / 56. 25.101
  
      [6] =>   libavdevice    56.  4.100 / 56.  4.100
  
      [7] =>   libavfilter     5. 11.102 /  5. 11.102
  
      [8] =>   libavresample   2.  1.  0 /  2.  1.  0
  
      [9] =>   libswscale      3.  1.101 /  3.  1.101
  
      [10] =>   libswresample   1.  1.100 /  1.  1.100
  
      [11] =>   libpostproc    53.  3.100 / 53.  3.100
  
      [12] => [mp3 @ 0x1d62bc0] Estimating duration from bitrate, this may be inaccurate
  
      [13] => Input #0, mp3, from '/home/example/public_html/wp-content/channels/videos/temp_1473937603.mp3':
  
      [14] =>   Duration: 00:06:51.05, start: 0.000000, bitrate: 64 kb/s
  
      [15] =>     Stream #0:0: Audio: mp3, 16000 Hz, stereo, s16p, 64 kb/s
  
      [16] => [mjpeg @ 0x1d73de0] Changeing bps to 8
  
      [17] => Input #1, image2, from '/home/examples/public_html/wp-content/channels/thumbnails/thumbnail_516919517.jpg':
  
      [18] =>   Duration: 00:00:00.50, start: 0.000000, bitrate: N/A
  
      [19] =>     Stream #1:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 250x135 [SAR 1:1 DAR 50:27], 2 fps, 2 tbr, 2 tbn, 2 tbc
  
      [20] => No pixel format specified, yuvj420p for H.264 encoding chosen.
  
      [21] => Use -pix_fmt yuv420p for compatibility with outdated media players.
  
      [22] => [libx264 @ 0x1d75240] height not divisible by 2 (250x135)
  
      [23] => Output #0, mp4, to '/home/example/public_html/wp-content/channels/videos/temp_1473937603.mp4':
  
      [24] =>     Stream #0:0: Video: h264, none, q=2-31, 128 kb/s, SAR 1:1 DAR 0:0, 2 fps
  
      [25] =>     Metadata:
  
      [26] =>       encoder         : Lavc56.26.100 libx264
  
      [27] =>     Stream #0:1: Audio: none, 0 channels, 128 kb/s
  
      [28] => Stream mapping:
  
      [29] =>   Stream #1:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
  
      [30] =>   Stream #0:0 -> #0:1 (copy)
  
      [31] => Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
  
  )

  Why does this work when i manually execute the script in conversion.php but when i run conversion.php via cron i get the above error ?

• Can anyone recommend a version of FFMpeg for Ubuntu 12.04 that works with the Video Presets module, 7x-2.0 ?

  19 décembre 2013, par Alpinist1974

  I have the below version of FFMpeg installed through apt-get :

  ffmpeg version 0.7.6-4:0.7.6-0ubuntu0.11.10.3, Copyright (c) 2000-2011 the Libav developers
  
    built on Jan 24 2013 19:27:08 with gcc 4.6.1
  
    configuration: --extra-version='4:0.7.6-0ubuntu0.11.10.3' --arch=amd64 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --enable-shared --disable-static
  
    libavutil    51.  7. 0 / 51.  7. 0
  
    libavcodec   53.  6. 0 / 53.  6. 0
  
    libavformat  53.  3. 0 / 53.  3. 0
  
    libavdevice  53.  0. 0 / 53.  0. 0
  
    libavfilter   2.  4. 0 /  2.  4. 0
  
    libswscale    2.  0. 0 /  2.  0. 0
  
    libpostproc  52.  0. 0 / 52.  0. 0

  I am using Video module 7x-2.10 and Video Presets 7x-2.0. I just want to transcode to MPEG4, Webm and maybe OGG/V. Every combination of settings I try seem to fail, mainly with error messages coming from phpvideotoolkit regarding missing codecs, etc.

  If anyone knows of an optimal configuration using this version of FFMpeg and the Video Presets module, could you please post ? I am using the defualt presets that ship with the module which are supposed to work with FFMpeg, but for two days I've got nothing but failure messages when trying to convert.

  Thanks very much in advance !

• Ffmpeg stream works from cli but not inside bash script, no errors

  21 juillet 2022, par Sidharth Rao

  I'm running an Ffmpeg stream on Ubuntu writing to an rtp address, and it appears to work perfectly from my cli every time but fails to actually write anything from inside a bash script. After running from inside the cli, the bash script works every time I run it for about the next 5 minutes and then starts failing without errors again.

  


  Here is the command :

  


  ffmpeg -i video.mp4 -fflags nobuffer -flags low_delay -s 640x480 -c:v libx264 -profile:v baseline -b:v 2M -r 24 -g 60 -an -rtsp_transport tcp -f rtp rtp://CENSOREDCENSORED:0000


  


  Here is the bash script :

  


  #!/bin/bash

ffmpeg -i video.mp4 -fflags nobuffer -flags low_delay -s 640x480 -c:v libx264 -profile:v baseline -b:v 2M -r 24 -g 60 -an -rtsp_transport tcp -f rtp rtp://CENSOREDCENSORED:0000


  


  And here is the same output to cli for both of them :

  


  ffmpeg version 3.4.11-0ubuntu0.1 Copyright (c) 2000-2022 the FFmpeg developers
  built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
  configuration: --prefix=/usr --extra-version=0ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  libavutil      55. 78.100 / 55. 78.100
  libavcodec     57.107.100 / 57.107.100
  libavformat    57. 83.100 / 57. 83.100
  libavdevice    57. 10.100 / 57. 10.100
  libavfilter     6.107.100 /  6.107.100
  libavresample   3.  7.  0 /  3.  7.  0
  libswscale      4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc    54.  7.100 / 54.  7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'out.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.76.100
  Duration: 00:00:26.00, start: 0.000000, bitrate: 227 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x480, 226 kb/s, 2.31 fps, 2.31 tbr, 18464 tbn, 4.62 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 0x5585318623c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x5585318623c0] profile Constrained Baseline, level 3.0
Output #0, rtp, to 'rtp://us.robotics.cognitedata.com:5005':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
    Stream #0:0(und): Video: h264 (libx264), yuv420p, 640x480, q=-1--1, 2000 kb/s, 24 fps, 90k tbn, 24 tbc (default)
    Metadata:
      handler_name    : VideoHandler
      encoder         : Lavc57.107.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/2000000 buffer size: 0 vbv_delay: -1
SDP:
v=0
o=- 0 0 IN IP4 127.0.0.1
s=No Name
c=IN IP4 20.232.153.224
t=0 0
a=tool:libavformat 57.83.100
m=video 5005 RTP/AVP 96
b=AS:2000
a=rtpmap:96 H264/90000
a=fmtp:96 packetization-mode=1

frame=  624 fps=194 q=-1.0 Lsize=    6288kB time=00:00:25.95 bitrate=1984.3kbits/s dup=564 drop=0 speed=8.08x
video:6226kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.992690%
[libx264 @ 0x5585318623c0] frame I:11    Avg QP: 2.77  size:132437
[libx264 @ 0x5585318623c0] frame P:613   Avg QP: 4.97  size:  8024
[libx264 @ 0x5585318623c0] mb I  I16..4: 20.2%  0.0% 79.8%
[libx264 @ 0x5585318623c0] mb P  I16..4:  0.8%  0.0%  2.0%  P16..4: 12.3%  1.0%  1.2%  0.0%  0.0%    skip:82.6%
[libx264 @ 0x5585318623c0] final ratefactor: 6.07
[libx264 @ 0x5585318623c0] coded y,uvDC,uvAC intra: 87.7% 87.0% 68.2% inter: 8.6% 7.0% 6.6%
[libx264 @ 0x5585318623c0] i16 v,h,dc,p: 34% 15% 41% 10%
[libx264 @ 0x5585318623c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 43% 24% 13%  3%  3%  3%  4%  3%  4%
[libx264 @ 0x5585318623c0] i8c dc,h,v,p: 36% 22% 37%  6%
[libx264 @ 0x5585318623c0] ref P L0: 97.5%  1.9%  0.6%
[libx264 @ 0x5585318623c0] kb/s:1961.69


  


  The ffmpeg stream also fails from inside of a docker image.