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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef MEDIA_MIDI_MIDI_MANAGER_MAC_H_ | |
| 6 #define MEDIA_MIDI_MIDI_MANAGER_MAC_H_ | |
| 7 | |
| 8 #include <CoreMIDI/MIDIServices.h> | |
| 9 #include <map> | |
| 10 #include <string> | |
| 11 | |
| 12 #include "base/basictypes.h" | |
| 13 #include "base/compiler_specific.h" | |
| 14 #include "media/midi/midi_manager.h" | |
| 15 #include "media/midi/midi_port_info.h" | |
| 16 | |
| 17 namespace media { | |
| 18 | |
| 19 class MEDIA_EXPORT MIDIManagerMac : public MIDIManager { | |
| 20 public: | |
| 21 MIDIManagerMac(); | |
| 22 virtual ~MIDIManagerMac(); | |
| 23 | |
| 24 // MIDIManager implementation. | |
| 25 virtual bool Initialize() OVERRIDE; | |
| 26 virtual void SendMIDIData(int port_index, | |
| 27 const uint8* data, | |
| 28 size_t length, | |
| 29 double timestamp) OVERRIDE; | |
| 30 | |
| 31 private: | |
| 32 // CoreMIDI callback for MIDI data. | |
| 33 // Each callback can contain multiple packets, each of which can contain | |
| 34 // multiple MIDI messages. | |
| 35 static void ReadMidiDispatch( | |
| 36 const MIDIPacketList *pktlist, | |
| 37 void *read_proc_refcon, | |
| 38 void *src_conn_refcon); | |
| 39 virtual void ReadMidi(MIDIEndpointRef source, const MIDIPacketList *pktlist); | |
| 40 | |
| 41 // Helper | |
| 42 static media::MIDIPortInfo GetPortInfoFromEndpoint(MIDIEndpointRef endpoint); | |
| 43 static double MIDITimeStampToSeconds(MIDITimeStamp timestamp); | |
| 44 static MIDITimeStamp SecondsToMIDITimeStamp(double seconds); | |
| 45 | |
| 46 // CoreMIDI | |
| 47 MIDIClientRef midi_client_; | |
| 48 MIDIPortRef coremidi_input_; | |
| 49 MIDIPortRef coremidi_output_; | |
| 50 | |
| 51 enum{ kMaxPacketListSize = 512 }; | |
| 52 char midi_buffer_[kMaxPacketListSize]; | |
| 53 MIDIPacketList* packet_list_; | |
| 54 MIDIPacket* midi_packet_; | |
| 55 | |
| 56 typedef std::map<MIDIEndpointRef, int> SourceMap; | |
| 57 | |
| 58 // Keeps track of the index (0-based) for each of our sources. | |
| 59 SourceMap source_map_; | |
| 60 | |
| 61 // Keeps track of all destinations. | |
| 62 std::vector<MIDIEndpointRef> destinations_; | |
| 63 | |
| 64 DISALLOW_COPY_AND_ASSIGN(MIDIManagerMac); | |
| 65 }; | |
| 66 | |
| 67 } // namespace media | |
| 68 | |
| 69 #endif // MEDIA_MIDI_MIDI_MANAGER_MAC_H_ | |
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Chromium Code Reviews
Issue 17176031:
Revert 207992: This looks like a reland of r207983, which was reverted in (Closed)
Base URL: svn://svn.chromium.org/chrome/