/*****************************************************************************
* Activate: allocate a chroma function
*****************************************************************************
* This function allocates and initializes a chroma function
*****************************************************************************/
static int Activate( filter_t *p_filter, int (*pf_build)(filter_t *) )
{
filter_sys_t *p_sys;
int i_ret = VLC_EGENERIC;
p_sys = p_filter->p_sys = calloc( 1, sizeof( *p_sys ) );
if( !p_sys )
return VLC_ENOMEM;
filter_owner_t owner = {
.video = &filter_video_chain_cbs,
.sys = p_filter,
};
p_sys->p_chain = filter_chain_NewVideo( p_filter, p_filter->b_allow_fmt_out_change, &owner );
if( !p_sys->p_chain )
{
free( p_sys );
return VLC_EGENERIC;
}
int type = VLC_VAR_INTEGER;
if( var_Type( p_filter->obj.parent, "chain-level" ) != 0 )
type |= VLC_VAR_DOINHERIT;
var_Create( p_filter, "chain-level", type );
/* Note: atomicity is not actually needed here. */
var_IncInteger( p_filter, "chain-level" );
int level = var_GetInteger( p_filter, "chain-level" );
if( level < 0 || level > CHAIN_LEVEL_MAX )
msg_Err( p_filter, "Too high level of recursion (%d)", level );
else
i_ret = pf_build( p_filter );
var_Destroy( p_filter, "chain-level" );
if( i_ret )
{
/* Hum ... looks like this really isn't going to work. Too bad. */
if (p_sys->p_video_filter)
filter_DelProxyCallbacks( p_filter, p_sys->p_video_filter,
RestartFilterCallback );
filter_chain_Delete( p_sys->p_chain );
free( p_sys );
return VLC_EGENERIC;
}
if( p_filter->b_allow_fmt_out_change )
{
es_format_Clean( &p_filter->fmt_out );
es_format_Copy( &p_filter->fmt_out,
filter_chain_GetFmtOut( p_sys->p_chain ) );
}
/* */
p_filter->pf_video_filter = Chain;
return VLC_SUCCESS;
}
static int vlclua_inc_integer( lua_State *L )
{
vlc_object_t **pp_obj = luaL_checkudata( L, 1, "vlc_object" );
const char *psz_var = luaL_checkstring( L, 2 );
int64_t i_val = var_IncInteger( *pp_obj, psz_var );
lua_pushinteger( L, i_val );
return 1;
}
static void test_integer( libvlc_int_t *p_libvlc )
{
int i;
for( i = 0; i < i_var_count; i++ )
var_Create( p_libvlc, psz_var_name[i], VLC_VAR_INTEGER );
for( i = 0; i < i_var_count; i++ )
{
var_value[i].i_int = rand();
var_SetInteger( p_libvlc, psz_var_name[i], var_value[i].i_int );
}
for( i = 0; i < i_var_count; i++ )
{
assert( var_GetInteger( p_libvlc, psz_var_name[i] ) == var_value[i].i_int );
var_IncInteger( p_libvlc, psz_var_name[i] );
assert( var_GetInteger( p_libvlc, psz_var_name[i] ) == var_value[i].i_int + 1 );
var_DecInteger( p_libvlc, psz_var_name[i] );
assert( var_GetInteger( p_libvlc, psz_var_name[i] ) == var_value[i].i_int );
}
for( i = 0; i < i_var_count; i++ )
var_Destroy( p_libvlc, psz_var_name[i] );
}
