[vlc-devel] A little coding advice needed for creating stream_t objects.

[Pierre d'Herbemont]

Hi Bill,

stream_t is not exposed for apps that uses libvlc. Yet you can write  
your own module.so that uses stream_t (linked against libvlccore), and  
ask libvlc to load it.

May I ask you why you need stream_t objects and what are you trying to  
achieve?

Pierre.

On Jul 7, 2008, at 6:51 PM, Bill C. Riemers wrote:

> I have a some code I've written as a standalone application that needs
> to create vlc stream_t objects.  I have written a kludge, but the
> biggest problem with this kludge is it requires I include files  
> directly
> from the vlc source tree.   I am looking for a way to accomplish the
> same thing, without depending on vlc source tree.
>
> The following is my kludge for create a vlm object for use with
> stream_UrlNew calls.
>
>
> static vlc_object_t p_vlm = NULL;
>
> static int libvlc_vlm_init( libvlc_instance_t *p_instance,
>                            libvlc_exception_t *p_exception )
> {
> #ifdef ENABLE_VLM
>    if( !p_instance->p_vlm )
>        p_instance->p_vlm = vlm_New( p_instance->p_libvlc_int );
> #else
>    libvlc_exception_raise( p_exception, "VLM has been disabled in this
> libvlc." );
>    return VLC_EGENERIC;
> #endif
>
>    if( !p_instance->p_vlm )
>    {
>        libvlc_exception_raise( p_exception,
>                                "Unable to create VLM." );
>        return VLC_EGENERIC;
>    }
>    return VLC_SUCCESS;
> }
>
> void foo_init() {
>    vlcmodule_t *p_vlcmodule = (vlcmodule_t  
> *)calloc(1,sizeof(vlcmodule_t));
>    if(p_vlcmodule == NULL ) {
>        goto outofmemory;
>    }
>    p_vlcmodule->destroy = vlcmodule_destroy;
>    libvlc_exception_t *p_ex = &p_vlcmodule->ex;
>    libvlc_exception_t *p_dummy = &p_vlcmodule->dummy;
>    libvlc_exception_init (p_ex);
>    libvlc_exception_init (p_dummy);
>
>    static const char *args[] = {"cvlc","-I","dummy",NULL};
>    p_vlcmodule->vlc = libvlc_new(3,args,p_ex);
>    if (p_vlcmodule->vlc == NULL)
>    {
>        goto error;
>    }
>
>    libvlc_add_intf (p_vlcmodule->vlc, "signals", p_dummy);
>    libvlc_add_intf (p_vlcmodule->vlc, NULL, p_ex);
>    libvlc_vlm_init (p_vlcmodule->vlc, p_ex);
>    p_vlm = (vlc_object_t *)p_vlcmodule->vlc->p_vlm;
> error:
>    VLC_Destroy((vlc_object_t *)p_vlcmodule);
>    return NULL;
>
> outofmemory:
>    {
>        libvlc_exception_t ex;
>        libvlc_exception_init ( &ex );
>        libvlc_exception_raise( &ex, "Out of memory.");
>    }
>    return NULL;
> }
>
>
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