static int BandsCallback( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
VLC_UNUSED(p_this); VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
filter_sys_t *p_sys = p_data;
const char *psz_bands = newval.psz_string;
const char *p = psz_bands;
char *psz_next;
/* Same thing for bands */
vlc_mutex_lock( &p_sys->lock );
for( int i = 0; i < p_sys->i_band; i++ )
{
float f;
if( *psz_bands == '\0' )
break;
/* Read dB -20/20 */
f = us_strtof( p, &psz_next );
if( psz_next == p )
break; /* no conversion */
p_sys->f_amp[i] = EqzConvertdB( f );
if( *psz_next == '\0' )
break; /* end of line */
p = &psz_next[1];
}
vlc_mutex_unlock( &p_sys->lock );
return VLC_SUCCESS;
}
static bool getRDFFloat(const char *psz_rdf, float *out, const char *psz_var)
{
char *p_start = strcasestr(psz_rdf, psz_var);
if (p_start == NULL)
return false;
size_t varlen = strlen(psz_var);
p_start += varlen;
char *p_end = NULL;
/* XML style */
if (p_start[0] == '>')
{
p_start += 1;
p_end = strchr(p_start, '<');
}
else if (p_start[0] == '=' && p_start[1] == '"')
{
p_start += 2;
p_end = strchr(p_start, '"');
}
if (unlikely(p_end == NULL || p_end == p_start + 1))
return false;
*out = us_strtof(p_start, NULL);
return true;
}