int mediacontrol_showtext( vout_thread_t *p_vout, int i_channel,
char *psz_string, text_style_t *p_style,
int i_flags, int i_hmargin, int i_vmargin,
int mediacontrol_showtext( vout_thread_t *p_vout, int i_channel,
char *psz_string, text_style_t *p_style,
int i_flags, int i_hmargin, int i_vmargin,