// Copyright (c) 2013 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef MEDIA_MIDI_MIDI_MANAGER_MAC_H_ #define MEDIA_MIDI_MIDI_MANAGER_MAC_H_ #include #include #include #include #include "base/basictypes.h" #include "base/compiler_specific.h" #include "media/midi/midi_manager.h" #include "media/midi/midi_port_info.h" namespace media { class MEDIA_EXPORT MIDIManagerMac : public MIDIManager { public: MIDIManagerMac(); virtual ~MIDIManagerMac(); // MIDIManager implementation. virtual bool Initialize() OVERRIDE; virtual void SendMIDIData(MIDIManagerClient* client, uint32 port_index, const std::vector& data, double timestamp) OVERRIDE; private: // CoreMIDI callback for MIDI data. // Each callback can contain multiple packets, each of which can contain // multiple MIDI messages. static void ReadMIDIDispatch( const MIDIPacketList *pktlist, void *read_proc_refcon, void *src_conn_refcon); virtual void ReadMIDI(MIDIEndpointRef source, const MIDIPacketList *pktlist); // Helper static media::MIDIPortInfo GetPortInfoFromEndpoint(MIDIEndpointRef endpoint); static double MIDITimeStampToSeconds(MIDITimeStamp timestamp); static MIDITimeStamp SecondsToMIDITimeStamp(double seconds); // CoreMIDI MIDIClientRef midi_client_; MIDIPortRef coremidi_input_; MIDIPortRef coremidi_output_; enum{ kMaxPacketListSize = 512 }; char midi_buffer_[kMaxPacketListSize]; MIDIPacketList* packet_list_; MIDIPacket* midi_packet_; typedef std::map SourceMap; // Keeps track of the index (0-based) for each of our sources. SourceMap source_map_; // Keeps track of all destinations. std::vector destinations_; DISALLOW_COPY_AND_ASSIGN(MIDIManagerMac); }; } // namespace media #endif // MEDIA_MIDI_MIDI_MANAGER_MAC_H_