[FFmpeg-soc] GSoC 2008: YOP Playback System

[Vitor Sessak]

Hi

Sisir Koppaka wrote:
> Hi,
> This particular version of the BFI demuxer has only the bfi_probe function.
> When I compile it and run ffmpeg -i <path/to/bfi/file.bfi> I get the
> following output -
> FFmpeg version SVN-r1, Copyright (c) 2000-2008 Fabrice Bellard, et al.
>   configuration:
>   libavutil version: 49.6.0
>   libavcodec version: 51.52.0
>   libavformat version: 52.11.0
>   libavdevice version: 52.0.0
>   built on Mar 20 2008 12:46:04, gcc: 4.1.3 20070929 (prerelease) (Ubuntu
> 4.1.2-16ubuntu2)
> Input #0, bfi, from './bfi/2287.bfi':
>   Duration: N/A, bitrate: N/A
> Must supply at least one output file
> 
> There's no other function and hence I suppose no other info is displayed
> except for 'Input #0, bfi'. Can I take this as a confirmation that the
> bfi_probe was called and it confirmed the type of the file or does 'Input
> #0, bfi' come from some other part of ffmpeg?

You surely got the demuxer properly registered. But if you specified a 
file extension in the demuxer, ffmpeg can fall back to it to detect the 
file type. A simple test would be to rename it to something different 
and giving the same command.

-Vitor

PS: For those quick question, you'll have faster answers if you ask in 
#FFmpeg-devel IRC channel at freenode.org