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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 #ifndef MEDIA_MIDI_MIDI_MANAGER_MAC_H_ | 5 #ifndef MEDIA_MIDI_MIDI_MANAGER_MAC_H_ |
| 6 #define MEDIA_MIDI_MIDI_MANAGER_MAC_H_ | 6 #define MEDIA_MIDI_MIDI_MANAGER_MAC_H_ |
| 7 | 7 |
| 8 #include <CoreMIDI/MIDIServices.h> | 8 #include <CoreMIDI/MIDIServices.h> |
| 9 #include <map> | 9 #include <map> |
| 10 #include <string> | 10 #include <string> |
| 11 #include <vector> | 11 #include <vector> |
| 12 | 12 |
| 13 #include "base/basictypes.h" | |
| 14 #include "base/callback.h" | 13 #include "base/callback.h" |
| 15 #include "base/compiler_specific.h" | 14 #include "base/compiler_specific.h" |
| 16 #include "base/threading/thread.h" | 15 #include "base/threading/thread.h" |
| 17 #include "media/midi/midi_export.h" | 16 #include "media/midi/midi_export.h" |
| 18 #include "media/midi/midi_manager.h" | 17 #include "media/midi/midi_manager.h" |
| 19 #include "media/midi/midi_port_info.h" | 18 #include "media/midi/midi_port_info.h" |
| 20 | 19 |
| 21 namespace media { | 20 namespace media { |
| 22 namespace midi { | 21 namespace midi { |
| 23 | 22 |
| 24 class MIDI_EXPORT MidiManagerMac final : public MidiManager { | 23 class MIDI_EXPORT MidiManagerMac final : public MidiManager { |
| 25 public: | 24 public: |
| 26 MidiManagerMac(); | 25 MidiManagerMac(); |
| 27 ~MidiManagerMac() override; | 26 ~MidiManagerMac() override; |
| 28 | 27 |
| 29 // MidiManager implementation. | 28 // MidiManager implementation. |
| 30 void StartInitialization() override; | 29 void StartInitialization() override; |
| 31 void Finalize() override; | 30 void Finalize() override; |
| 32 void DispatchSendMidiData(MidiManagerClient* client, | 31 void DispatchSendMidiData(MidiManagerClient* client, |
| 33 uint32 port_index, | 32 uint32_t port_index, |
| 34 const std::vector<uint8>& data, | 33 const std::vector<uint8_t>& data, |
| 35 double timestamp) override; | 34 double timestamp) override; |
| 36 | 35 |
| 37 private: | 36 private: |
| 38 // Runs a closure on |client_thread_|. It starts the thread if it isn't | 37 // Runs a closure on |client_thread_|. It starts the thread if it isn't |
| 39 // running and the destructor isn't called. | 38 // running and the destructor isn't called. |
| 40 // Caller can bind base::Unretained(this) to |closure| since we join | 39 // Caller can bind base::Unretained(this) to |closure| since we join |
| 41 // |client_thread_| in the destructor. | 40 // |client_thread_| in the destructor. |
| 42 void RunOnClientThread(const base::Closure& closure); | 41 void RunOnClientThread(const base::Closure& closure); |
| 43 | 42 |
| 44 // Initializes CoreMIDI on |client_thread_| asynchronously. Called from | 43 // Initializes CoreMIDI on |client_thread_| asynchronously. Called from |
| 45 // StartInitialization(). | 44 // StartInitialization(). |
| 46 void InitializeCoreMIDI(); | 45 void InitializeCoreMIDI(); |
| 47 | 46 |
| 48 // CoreMIDI callback for MIDI notification. | 47 // CoreMIDI callback for MIDI notification. |
| 49 // Receives MIDI related event notifications from CoreMIDI. | 48 // Receives MIDI related event notifications from CoreMIDI. |
| 50 static void ReceiveMidiNotifyDispatch(const MIDINotification* message, | 49 static void ReceiveMidiNotifyDispatch(const MIDINotification* message, |
| 51 void* refcon); | 50 void* refcon); |
| 52 void ReceiveMidiNotify(const MIDINotification* message); | 51 void ReceiveMidiNotify(const MIDINotification* message); |
| 53 | 52 |
| 54 // CoreMIDI callback for MIDI data. | 53 // CoreMIDI callback for MIDI data. |
| 55 // Each callback can contain multiple packets, each of which can contain | 54 // Each callback can contain multiple packets, each of which can contain |
| 56 // multiple MIDI messages. | 55 // multiple MIDI messages. |
| 57 static void ReadMidiDispatch(const MIDIPacketList* packet_list, | 56 static void ReadMidiDispatch(const MIDIPacketList* packet_list, |
| 58 void* read_proc_refcon, | 57 void* read_proc_refcon, |
| 59 void* src_conn_refcon); | 58 void* src_conn_refcon); |
| 60 virtual void ReadMidi(MIDIEndpointRef source, const MIDIPacketList *pktlist); | 59 virtual void ReadMidi(MIDIEndpointRef source, const MIDIPacketList *pktlist); |
| 61 | 60 |
| 62 // An internal callback that runs on MidiSendThread. | 61 // An internal callback that runs on MidiSendThread. |
| 63 void SendMidiData(MidiManagerClient* client, | 62 void SendMidiData(MidiManagerClient* client, |
| 64 uint32 port_index, | 63 uint32_t port_index, |
| 65 const std::vector<uint8>& data, | 64 const std::vector<uint8_t>& data, |
| 66 double timestamp); | 65 double timestamp); |
| 67 | 66 |
| 68 // CoreMIDI | 67 // CoreMIDI |
| 69 MIDIClientRef midi_client_; | 68 MIDIClientRef midi_client_; |
| 70 MIDIPortRef coremidi_input_; | 69 MIDIPortRef coremidi_input_; |
| 71 MIDIPortRef coremidi_output_; | 70 MIDIPortRef coremidi_output_; |
| 72 std::vector<uint8> midi_buffer_; | 71 std::vector<uint8_t> midi_buffer_; |
| 73 | 72 |
| 74 // Keeps track of the index (0-based) for each of our sources. | 73 // Keeps track of the index (0-based) for each of our sources. |
| 75 typedef std::map<MIDIEndpointRef, uint32> SourceMap; | 74 typedef std::map<MIDIEndpointRef, uint32_t> SourceMap; |
| 76 SourceMap source_map_; | 75 SourceMap source_map_; |
| 77 | 76 |
| 78 // Keeps track of all destinations. | 77 // Keeps track of all destinations. |
| 79 typedef std::vector<MIDIEndpointRef> DestinationVector; | 78 typedef std::vector<MIDIEndpointRef> DestinationVector; |
| 80 DestinationVector destinations_; | 79 DestinationVector destinations_; |
| 81 | 80 |
| 82 // |client_thread_| is used to handle platform dependent operations. | 81 // |client_thread_| is used to handle platform dependent operations. |
| 83 base::Thread client_thread_; | 82 base::Thread client_thread_; |
| 84 | 83 |
| 85 // Sets true on destructing object to avoid starting |client_thread_| again. | 84 // Sets true on destructing object to avoid starting |client_thread_| again. |
| 86 bool shutdown_; | 85 bool shutdown_; |
| 87 | 86 |
| 88 DISALLOW_COPY_AND_ASSIGN(MidiManagerMac); | 87 DISALLOW_COPY_AND_ASSIGN(MidiManagerMac); |
| 89 }; | 88 }; |
| 90 | 89 |
| 91 } // namespace midi | 90 } // namespace midi |
| 92 } // namespace media | 91 } // namespace media |
| 93 | 92 |
| 94 #endif // MEDIA_MIDI_MIDI_MANAGER_MAC_H_ | 93 #endif // MEDIA_MIDI_MIDI_MANAGER_MAC_H_ |
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