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• "error C2400 : inline assembler syntax error in ‘opcode’" pxor compiling ffmpeg with mmx flag enabled

  4 octobre 2013, par Kristofer

  I'm trying to compile (visual studio 2005) ffmpeg with mmx flag enabled (HAVE_MMX) but get the following error :
  "error C2400 : inline assembler syntax error in ‘opcode’"
  And it's complaining about xpor_r2r

  Ideas ?

  [Update]
  Jester pointed out that it's probably a problem with the macro :

  #define         mmx_r2r(op,regs,regd) \
       __asm__ volatile (#op " %" #regs ", %" #regd)

  Directly using :
  __asm__ pxor mm7 mm7 works
  Adding volatile (as in the macro mentioned) gives the same error, syntax error as before in 'opcode' found 'data_type'.

  Just removing volatile from the macro does not work, instead gives error in 'opcode' found '('

  Removing the paranthesis instead gives error in 'opcode' found 'bad_token'

• FFMPEG on Fedora but PHP Compilation confliction

  11 octobre 2013, par UMI

  I have running Xampp with PHP5.5 on Fedora from Apache Friend, with default settings what the installer package do on Linux.

  When I install FFMPEG successfully and try to load from php.ini it always says :

  *

  11-Oct-2013 14:05:51 Europe/Berlin] PHP Warning:  PHP Startup: ffmpeg: Unable to initialize module
  
  Module compiled with module API=20060613
  
  PHP    compiled with module API=20121212
  
  These options need to match
  
  in Unknown on line 0

  *

  The only thing which is confusing me is that when I did phpize even that I already installed xampp server which means I have PHP running. FFMPEG phpize did not work and I had to install php-devel. Does that mean that FFMPEG is configured with PHP, other than the installed with XAMPP ? I am not sure what is happening. Whatever I do I always receive this error message in php_error_log file.

  It is amazing :) that I just run below command to see what version of PHP is, I have and below are the results which are shocking one because I am in a feeling that I have PHP 5.5 installed and running from XAMMP.

  [root@localhost ~]# php -v
  
  PHP 5.2.6 (cli) (built: May  8 2008 08:53:44)
  
  Copyright (c) 1997-2008 The PHP Group
  
  Zend Engine v2.2.0, Copyright (c) 1998-2008 Zend Technologies

  How can I get this covered that if I simple install XAMPP server on linux and want to install and configure FFMPEG along with ?

• OS X uploads .mp4 as quicktime ? [on hold]

  15 janvier 2014, par daled

  I'm running into a rather peculiar issue uploading .mp4 from any browser on OS X. I'm using ffmpeg to convert files and .mp4's uploaded from OS X are causing issues.

  First off, the file I'm uploading is not corrupt. Here is the relevant exiftool output on the file I'm uploading. This is the original file on the client.

  File Type                       : MP4
  
  MIME Type                       : video/mp4
  
  Major Brand                     : MP4 Base w/ AVC ext [ISO 14496-12:2005]
  
  Minor Version                   : 0.0.0
  
  Compatible Brands               : avc1, isom

  Now here's the exiftool output on the server for the same file :

  File Type                       : MOV
  
  MIME Type                       : video/quicktime
  
  Major Brand                     : Apple QuickTime (.MOV/QT)
  
  Minor Version                   : 2005.3.0
  
  Compatible Brands               : qt

  Ffmpeg will recognize the first file just fine. Everything will work perfectly and I can convert it however I choose. But the second file, I'll get this error :

  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x3855180] stream 0, error opening alias: path='/Users/', dir='20130602-113438', filename='GOPR0018.MP4', volume='Macintosh HD', nlvl_from=-1, nlvl_to=-1
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x3855180] stream 1, error opening alias: path='/Users/', dir='20130602-113438', filename='GOPR0018.MP4', volume='Macintosh HD', nlvl_from=-1, nlvl_to=-1

  Here is the FFmpeg command I am using :

  ffmpeg -y -probesize 2147483647 -analyzeduration 2147483647 -i "'.$oldFilename.'" -vcodec libtheora -q:v 0 -acodec libvorbis -q:a 0 "'.$newFilenameOGG.'" 2>&1

  This command works fine with every file type besides this file. It seems like ffmpeg is seeing the uploaded file as a corrupt quicktime file instead of a valid mp4 file. So my question is, how is this metadata magically changing ?