[vlc-devel] New video filter MODULE_STRING undeclared

[Kaarlo Räihä]

Stream Alerts kirjoitti 18.01.2009 kello 00:49:
> Hello!
> I'm attempting to write a video filter for VLC and write now I'm just 
> trying to compile "scale.c" found in modules/video_filter. I'm
>  trying to 
> compile under Visual Studio 2005 with VLC 0.9.8a. When I compile, I get 
> 'MODULE_STRING' undeclared identifier. I was able to successfully
>  write an 
> audio filter and had to define MODULE_STRING so I try this in my video 

Did your audio filter really work? AFAIK you cannot compile filters with Visual Studio and use them in VLC because VLC is built using mingw.

> filter:
> 
> #define MODULE_STRING "MyTest_Video_Filter"
> 
> but it doesn't work. Tracing the error leads to "vlc_filter.h" line 106 
> which is the msg_Warn function. 
> 
> static inline picture_t *filter_NewPicture( filter_t *p_filter )
> {
>     picture_t *p_picture = p_filter->pf_vout_buffer_new( p_filter );
>     if( !p_picture )
>         msg_Warn( p_filter, "can't get output picture" );
>     return p_picture;
> }
> 
> So far Ihaven't made any changes to "scale.c". Any ideas on what I'm 
> missing? Thanks!
>  


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