[FFmpeg-user] FFMPEG | zlib support is required

[Paul B Mahol]

On 4/16/13, Palaniappan N <palani at i-waves.com> wrote:
> 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?

Recompile with --enable-zlib enabled.

>
>
> Thanks!
>
> Regards,
> Palani
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