[FFmpeg-user] FFMPEG | zlib support is required

[Palaniappan N]

Hi,


We are executing the following FFMPEG command to convert swf to mp4 and we
get an i/o error

ffmpeg -i /var/www/html/WorkFiles/uploads/Sponsor_tutorial_15Apr13.swf
-vcodec mpeg4 -s 1024x768 -b 512k -acodec libfaac -strict experimental -ac
2 -ab 256k -ar 44100 /var/www/html/WorkFiles/output/swf.mp4
ffmpeg version N-49823-g7ff1a4b Copyright (c) 2000-2013 the FFmpeg
developers
built on Feb 12 2013 02:34:44 with gcc 4.4.6 (GCC) 20110731 (Red Hat
4.4.6-3)
configuration: --enable-gpl --enable-libmp3lame --enable-libvorbis
--enable-libvpx --enable-libx264
libavutil 52. 17.101 / 52. 17.101
libavcodec 54. 91.102 / 54. 91.102
libavformat 54. 62.100 / 54. 62.100
libavdevice 54. 3.103 / 54. 3.103
libavfilter 3. 37.101 / 3. 37.101
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100

[swf @ 0x2ae62c0] SWF compressed file detected
[swf @ 0x2ae62c0] zlib support is required to read SWF compressed files
/var/www/html/WorkFiles/uploads/Sponsor_tutorial_15Apr13.swf: Input/output
error

Can anyone suggest us what we have to do further?


Thanks!

Regards,
Palani