audio: add InStream and more functiosn coverage to soundio binding

audio/soundio/Device.zig

@@ -1,6 +1,8 @@
 const std = @import("std");
 const c = @import("c.zig");
+const InStream = @import("InStream.zig");
 const OutStream = @import("OutStream.zig");
+const Format = @import("enums.zig").Format;
 
 const Device = @This();
 
@@ -10,10 +12,22 @@ pub fn unref(self: Device) void {
     c.soundio_device_unref(self.handle);
 }
 
+pub fn id(self: Device) [:0]const u8 {
+    return std.mem.span(self.handle.*.id);
+}
+
 pub fn name(self: Device) [:0]const u8 {
     return std.mem.span(self.handle.*.name);
 }
 
+pub fn createInStream(self: Device) error{OutOfMemory}!InStream {
+    return InStream{ .handle = c.soundio_instream_create(self.handle) orelse return error.OutOfMemory };
+}
+
 pub fn createOutStream(self: Device) error{OutOfMemory}!OutStream {
     return OutStream{ .handle = c.soundio_outstream_create(self.handle) orelse return error.OutOfMemory };
 }
+
+pub fn supportsFormat(self: Device, format: Format) bool {
+    return c.soundio_device_supports_format(self.handle, @enumToInt(format));
+}