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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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_mac.h" | 5 #include "media/midi/midi_manager_mac.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/message_loop/message_loop.h" | 10 #include "base/message_loop/message_loop.h" |
11 #include "base/single_thread_task_runner.h" | 11 #include "base/single_thread_task_runner.h" |
12 #include "base/strings/string_number_conversions.h" | 12 #include "base/strings/string_number_conversions.h" |
13 #include "base/strings/sys_string_conversions.h" | 13 #include "base/strings/sys_string_conversions.h" |
14 | 14 |
15 #include <CoreAudio/HostTime.h> | 15 #include <CoreAudio/HostTime.h> |
16 #include <stddef.h> | 16 #include <stddef.h> |
17 | 17 |
18 using base::IntToString; | 18 using base::IntToString; |
19 using base::SysCFStringRefToUTF8; | 19 using base::SysCFStringRefToUTF8; |
20 using std::string; | 20 using std::string; |
21 | 21 |
22 // NB: System MIDI types are pointer types in 32-bit and integer types in | 22 // NB: System MIDI types are pointer types in 32-bit and integer types in |
23 // 64-bit. Therefore, the initialization is the simplest one that satisfies both | 23 // 64-bit. Therefore, the initialization is the simplest one that satisfies both |
24 // (if possible). | 24 // (if possible). |
25 | 25 |
26 namespace media { | |
27 namespace midi { | 26 namespace midi { |
28 | 27 |
29 namespace { | 28 namespace { |
30 | 29 |
31 // Maximum buffer size that CoreMIDI can handle for MIDIPacketList. | 30 // Maximum buffer size that CoreMIDI can handle for MIDIPacketList. |
32 const size_t kCoreMIDIMaxPacketListSize = 65536; | 31 const size_t kCoreMIDIMaxPacketListSize = 65536; |
33 // Pessimistic estimation on available data size of MIDIPacketList. | 32 // Pessimistic estimation on available data size of MIDIPacketList. |
34 const size_t kEstimatedMaxPacketDataSize = kCoreMIDIMaxPacketListSize / 2; | 33 const size_t kEstimatedMaxPacketDataSize = kCoreMIDIMaxPacketListSize / 2; |
35 | 34 |
36 MidiPortInfo GetPortInfoFromEndpoint(MIDIEndpointRef endpoint) { | 35 MidiPortInfo GetPortInfoFromEndpoint(MIDIEndpointRef endpoint) { |
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380 &data[sent_size]); | 379 &data[sent_size]); |
381 DCHECK(midi_packet); | 380 DCHECK(midi_packet); |
382 | 381 |
383 MIDISend(coremidi_output_, destination, packet_list); | 382 MIDISend(coremidi_output_, destination, packet_list); |
384 } | 383 } |
385 | 384 |
386 AccumulateMidiBytesSent(client, data.size()); | 385 AccumulateMidiBytesSent(client, data.size()); |
387 } | 386 } |
388 | 387 |
389 } // namespace midi | 388 } // namespace midi |
390 } // namespace media | |
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