frame count fails on some files - fatal error
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Marko Žmak
Member since:
09 January 2008
Posts: 52
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Tuesday 07 September 2010 2:57:29 am
On some files (I have tried with some wmv samples) the getFrameCount() of FFMPEG_movie object returns the value of -1 although the movie is OK and converted to flv without problems (this is probably some bug in the ffmpeg php extension).
But the consequence is that the $frame_number for the preview thumb is less than 1 which produces eZ fatal error when displaying video preview thumb - because of using this $frame_number value with $ffmpeg->getFrame().
The possible sollution would be to add this code:
// If the frame number is less than 1 we fall back to the first frame
if ($frame_number < 1) $frame_number = 1;
to the line 156 of datatypes/ezvideoflv/ezvideoflv.php.
--
Nothing is impossible. Not if you can imagine it!
Hubert Farnsworth
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Denitsa M.
Member since:
09 January 2008
Posts: 11
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Tuesday 07 September 2010 9:42:28 am
Also, here can be said that getFrameCount() does not count correctly for some files for reasons that I cannot imagine. This has always been a problem in the ffmpeg and was presented in flv extension since the beginning. It can cause improper preview generation and/or error from GD during conversion process, especially if you want to add a preview frame field into the datatype so editor can put manually preview frame number during edition/creation of object. This can be easily avoided by adding own php code for counting frames and comparing and correcting the result from getFrameCount() method.
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