1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef MEDIA_MIDI_USB_MIDI_JACK_H_
6 #define MEDIA_MIDI_USB_MIDI_JACK_H_
8 #include "base/basictypes.h"
9 #include "media/base/media_export.h"
15 // UsbMidiJack represents an EMBEDDED MIDI jack.
16 struct MEDIA_EXPORT UsbMidiJack {
17 // The direction of the endpoint associated with an EMBEDDED MIDI jack.
18 // Note that an IN MIDI jack associated with an OUT endpoint has
19 // ***DIRECTION_OUT*** direction.
24 UsbMidiJack(UsbMidiDevice* device,
27 uint8 endpoint_address)
30 cable_number(cable_number),
31 endpoint_address(endpoint_address) {}
33 UsbMidiDevice* device;
34 // The id of this jack unique in the interface.
36 // The cable number of this jack in the associated endpoint.
38 // The address of the endpoint that this jack is associated with.
39 uint8 endpoint_address;
41 Direction direction() const {
42 return (endpoint_address & 0x80) ? DIRECTION_IN : DIRECTION_OUT;
44 uint8 endpoint_number() const {
45 return (endpoint_address & 0xf);
51 #endif // MEDIA_MIDI_USB_MIDI_JACK_H_