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• PHP stops after exactly 46 seconds

  12 octobre 2012, par Lisa

  I have seen many topics with a similar question, but not a similar situation, because the php settings do not seem to be the problem.

  The current php.ini settings are :

  max_execution_time = 600
  
  max_input_time = 600
  
  memory_limit = 512M
  
  post_max_size = 192M
  
  upload_max_filesize = 192M

  These settings cannot be overwritten by the local .htaccess

  The script
  The script is PHP and does the following :

  User uploads a movie file (using uploadify).
  Once the upload is finished a script uses ffmpeg to convert it in to a lower quality 480p flv file.

  The problem
  This script has always worked and since the upgrade from php 5.3.9 to 5.3.17 it has stopped working.
  The upload part works fine. I have tried it with 1Mb to 190mb files.
  Once uploaded the conversion starts and the script always stops at exactly 46 seconds. I have no clue why, but it is always 46 seconds.

  The server
  The server is a xeon quad-core 16Gb ram and a load average of 0.62 (8 = 100% cpu usage)

  I truly have no idea what the problem seems to be. The script worked fine and has not changed. So it must be something to do with the new PHP or perhaps Apache, but I have no clue.

  Does anyone have a suggestion regarding what the problem could be ?

• ffmpeg : using the returned data in php

  4 décembre 2013, par user1503606

  I have started using ffmpeg and I am very new to it, so please bear with me.

  I have installed ffmpeg on my server and it works great ; I can run certain commands and get output data when logged in via ssh

  For example I can run

  ffmpeg -i Sleep\ Away.mp3 

  Which returns the following :

  ffmpeg version 0.8.5, Copyright (c) 2000-2011 the FFmpeg developers
  
    built on Aug 20 2012 09:28:43 with clang 3.1 (tags/Apple/clang-318.0.61)
  
    configuration: --enable-nonfree --enable-gpl --enable-version3 --enable-postproc --enable-swscale --enable-avfilter --enable-libmp3lame --enable-libvorbis --enable-libtheora --enable-libfaac --enable-libxvid --enable-libx264 --enable-libvpx --enable-hardcoded-tables --enable-shared --enable-pthreads --disable-indevs --cc=clang
  
    libavutil    51.  9. 1 / 51.  9. 1
  
    libavcodec   53.  7. 0 / 53.  7. 0
  
    libavformat  53.  4. 0 / 53.  4. 0
  
    libavdevice  53.  1. 1 / 53.  1. 1
  
    libavfilter   2. 23. 0 /  2. 23. 0
  
    libswscale    2.  0. 0 /  2.  0. 0
  
    libpostproc  51.  2. 0 / 51.  2. 0
  
  [mp3 @ 0x7f9694011a00] Header missing
  
      Last message repeated 13 times
  
  [mp3 @ 0x7f9694007c00] max_analyze_duration 5000000 reached at 5007020
  
  [mp3 @ 0x7f9694007c00] Estimating duration from bitrate, this may be inaccurate
  
  Input #0, mp3, from 'Sleep Away.mp3':
  
    Metadata:
  
      track           : 3
  
      album           : Bob Acri
  
      artist          : Bob Acri
  
      title           : Sleep Away
  
      genre           : Jazz
  
      album_artist    : Bob Acri
  
      composer        : Robert R. Acri
  
      date            : 2004
  
    Duration: 00:03:21.77, start: 0.000000, bitrate: 192 kb/s
  
      Stream #0.0: Audio: mp3, 44100 Hz, stereo, s16, 192 kb/s
  
  At least one output file must be specified

  The question I am asking is, how can I use the output data above ? I am developiong a music website ; say I want to loop through all the MP3 files and save the info about them into a database, so that the above would result in :

  Sleep Away.mp3    mp3    3:21    Jazz    2004     Bob Acri ...

  obviously in a table

  I have tried to use the php backtick operator with no success so far. I just thought I would put a question up here to get some advice from people that have done something similar.

  Thanks

  Update : I have tried the following

  &lt;?php $output = `ffmpeg -i Sleep\ Away.mp3`; echo "<pre>$output</pre>"; ?>
  
  &lt;?php $output = shell_exec(&#39;ffmpeg -i Sleep\ Away.mp3&#39;); echo "<pre>$output</pre>"; ?>

  both don't appear to return anything.

• Directshow X264Vfw Codec CPU usage issue

  18 juillet 2012, par meghana

  I run one graph in graphedit that is below,

  Video Source (Capture Pin) --> x264vfw - H.264/MPEG-4 AVC Codec ---------> Mpeg Muliplexter --> Output (Writer)                                             

  By running this graph in graphedit , it consumes cpu usage to 35% (average approx.) , if i just remove x264vfw - H.264/MPEG-4 AVC Codec , then Cpu Usage reduces to 2% - 5%.

  I understand that compressor uses remarkable CPU and Memory , but this is very high usage , we need to reduce it any how.

  Can i reduce CPU usage by changing some configuration of vfw or in any other way ??
  Or please suggest me if there's any other x264 vfw codec for mpeg4 in directshow that uses less of cpu memory ??

  Edit :

  Below is my x264Vfw Codec Settings

  Encoding Type : Single Pass - bitrate-based (ABR) 
  
  bitrate : 285 (but i get output bitrate around 485)
  
  Output Mode : VFW
  
  VFW FourCC : H264
  
  SAR : 2:1