[Ffmpeg-devel] [BUG] mp3 and png format

[Víctor Paesa]

Hello Chris,

> The patch worked, but ffmpeg still doesn't recognize the png format. I
> used the latest SVN version, and libpng is also available on my system.
> Here's the exact error which I get:
>
> $ ffmpeg -f image2 -i 02350.png
> FFmpeg version SVN-r6287, Copyright (c) 2000-2004 Fabrice Bellard
>   configuration:  --enable-pthreads --enable-a52 --enable-gpl
> --disable-ffserver --disable-ffplay --prefix=/home/cbienia/ffmpeg
>   libavutil version: 49.0.0
>   libavcodec version: 51.14.0
>   libavformat version: 50.5.0
>   built on Sep 18 2006 13:53:29, gcc: 4.0.2 20051125 (Red Hat 4.0.2-8)
> [image2 @ 0x83475a0]Could not find codec parameters (Video: 0x0000)
> 02350.png: could not find codec parameters
>
>
> Did you modify anything else besides libavformat/mp3.c?
>

No, only libavformat/mp3.c

I have just tried using your same set of configure options, and
I'm not able to reproduce your problem:

$ ./ffmpeg -f image2 -i 02350.png
FFmpeg version SVN-r6286, Copyright (c) 2000-2004 Fabrice Bellard
  configuration:  --enable-pthreads --enable-a52 --enable-gpl
--disable-ffserver --disable-ffplay --prefix=/home/cbienia/ffmpeg
  libavutil version: 49.0.0
  libavcodec version: 51.14.0
  libavformat version: 50.5.0
  built on Sep 18 2006 21:12:43, gcc: 3.4.4 (cygming special) (gdc 0.12,
using dmd 0.125)
Input #0, image2, from '02350.png':
  Duration: 00:00:00.0, start: 0.000000, bitrate: N/A
  Stream #0.0: Video: png, rgb24, 640x360, 25.00 fps(r)
Must supply at least one output file

Regards,
V?ctor