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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 #include <string> | 8 #include <string> |
| 9 | 9 |
| 10 #include "base/bind.h" | 10 #include "base/bind.h" |
| 11 #include "base/message_loop/message_loop.h" | 11 #include "base/message_loop/message_loop.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 | 16 |
| 17 using base::IntToString; | 17 using base::IntToString; |
| 18 using base::SysCFStringRefToUTF8; | 18 using base::SysCFStringRefToUTF8; |
| 19 using std::string; | 19 using std::string; |
| 20 | 20 |
| 21 // NB: System MIDI types are pointer types in 32-bit and integer types in | 21 // NB: System MIDI types are pointer types in 32-bit and integer types in |
| 22 // 64-bit. Therefore, the initialization is the simplest one that satisfies both | 22 // 64-bit. Therefore, the initialization is the simplest one that satisfies both |
| 23 // (if possible). | 23 // (if possible). |
| 24 | 24 |
| 25 namespace media { | 25 namespace media { |
| 26 namespace midi { |
| 26 | 27 |
| 27 namespace { | 28 namespace { |
| 28 | 29 |
| 29 // Maximum buffer size that CoreMIDI can handle for MIDIPacketList. | 30 // Maximum buffer size that CoreMIDI can handle for MIDIPacketList. |
| 30 const size_t kCoreMIDIMaxPacketListSize = 65536; | 31 const size_t kCoreMIDIMaxPacketListSize = 65536; |
| 31 // Pessimistic estimation on available data size of MIDIPacketList. | 32 // Pessimistic estimation on available data size of MIDIPacketList. |
| 32 const size_t kEstimatedMaxPacketDataSize = kCoreMIDIMaxPacketListSize / 2; | 33 const size_t kEstimatedMaxPacketDataSize = kCoreMIDIMaxPacketListSize / 2; |
| 33 | 34 |
| 34 MidiPortInfo GetPortInfoFromEndpoint(MIDIEndpointRef endpoint) { | 35 MidiPortInfo GetPortInfoFromEndpoint(MIDIEndpointRef endpoint) { |
| 35 string manufacturer; | 36 string manufacturer; |
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| 375 send_size, | 376 send_size, |
| 376 &data[sent_size]); | 377 &data[sent_size]); |
| 377 DCHECK(midi_packet); | 378 DCHECK(midi_packet); |
| 378 | 379 |
| 379 MIDISend(coremidi_output_, destination, packet_list); | 380 MIDISend(coremidi_output_, destination, packet_list); |
| 380 } | 381 } |
| 381 | 382 |
| 382 client->AccumulateMidiBytesSent(data.size()); | 383 client->AccumulateMidiBytesSent(data.size()); |
| 383 } | 384 } |
| 384 | 385 |
| 386 } // namespace midi |
| 385 } // namespace media | 387 } // namespace media |
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