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Side by Side Diff: media/midi/midi_manager_alsa.cc

Issue 2404443002: Web MIDI: use midi_service.mojom for media::midi::Result (Closed)
Patch Set: yhirano@ review Created 4 years, 2 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "media/midi/midi_manager_alsa.h" 5 #include "media/midi/midi_manager_alsa.h"
6 6
7 #include <errno.h> 7 #include <errno.h>
8 #include <poll.h> 8 #include <poll.h>
9 #include <stddef.h> 9 #include <stddef.h>
10 #include <stdlib.h> 10 #include <stdlib.h>
(...skipping 14 matching lines...) Expand all
25 #include "base/strings/string_number_conversions.h" 25 #include "base/strings/string_number_conversions.h"
26 #include "base/strings/stringprintf.h" 26 #include "base/strings/stringprintf.h"
27 #include "base/time/time.h" 27 #include "base/time/time.h"
28 #include "crypto/sha2.h" 28 #include "crypto/sha2.h"
29 #include "media/midi/midi_port_info.h" 29 #include "media/midi/midi_port_info.h"
30 30
31 namespace midi { 31 namespace midi {
32 32
33 namespace { 33 namespace {
34 34
35 using midi::mojom::Result;
36
35 // Per-output buffer. This can be smaller, but then large sysex messages 37 // Per-output buffer. This can be smaller, but then large sysex messages
36 // will be (harmlessly) split across multiple seq events. This should 38 // will be (harmlessly) split across multiple seq events. This should
37 // not have any real practical effect, except perhaps to slightly reorder 39 // not have any real practical effect, except perhaps to slightly reorder
38 // realtime messages with respect to sysex. 40 // realtime messages with respect to sysex.
39 const size_t kSendBufferSize = 256; 41 const size_t kSendBufferSize = 256;
40 42
41 // Minimum client id for which we will have ALSA card devices for. When we 43 // Minimum client id for which we will have ALSA card devices for. When we
42 // are searching for card devices (used to get the path, id, and manufacturer), 44 // are searching for card devices (used to get the path, id, and manufacturer),
43 // we don't want to get confused by kernel clients that do not have a card. 45 // we don't want to get confused by kernel clients that do not have a card.
44 // See seq_clientmgr.c in the ALSA code for this. 46 // See seq_clientmgr.c in the ALSA code for this.
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1396 // Update our map. 1398 // Update our map.
1397 source_map_[AddrToInt(client_id, port_id)] = port_index; 1399 source_map_[AddrToInt(client_id, port_id)] = port_index;
1398 return true; 1400 return true;
1399 } 1401 }
1400 1402
1401 MidiManager* MidiManager::Create() { 1403 MidiManager* MidiManager::Create() {
1402 return new MidiManagerAlsa(); 1404 return new MidiManagerAlsa();
1403 } 1405 }
1404 1406
1405 } // namespace midi 1407 } // namespace midi
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