epoc32/include/mmf/common/mmfmidi.h
branchSymbian2
changeset 2 2fe1408b6811
child 4 837f303aceeb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/mmf/common/mmfmidi.h	Tue Mar 16 16:12:26 2010 +0000
@@ -0,0 +1,473 @@
+// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+// which accompanies this distribution, and is available
+// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Mmf\Common\MmfMidi.h
+// 
+//
+
+#ifndef __MMF_COMMON_MMFMIDI_H__
+#define __MMF_COMMON_MMFMIDI_H__
+
+// Standard EPOC32 includes
+#include <e32base.h>
+
+// Public Media Server includes
+#include <mmf/common/mmfbase.h>
+#include <mmf/common/mmfutilities.h>
+
+#include <midiclientutility.h>
+
+/**
+MIDI event usued by a MIDI controller to signal to a 
+client that a MIDI source open request has completed.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryMidiOpenDataSourceComplete = {0x101F8F85};
+
+/**
+MIDI event used by a MIDI controller to signal to a 
+client that play of a MIDI resource has commenced.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryMidiPlaying = {0x101F8F86};
+
+/**
+MIDI event used by a MIDI controller to signal to 
+a client that play of a MIDI resource has commenced 
+but not all SP-MIDI requirements can be met.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryMidiPlaybackIncompatible = {0x101F8F87};
+
+/**
+MIDI event used by a MIDI controller to signal to a client that play
+of a MIDI resource has commenced but due to system resource constraints
+and SP-MIDI content constraints, there is no audible MIDI content
+during playback.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryMidiPlaybackSilent = {0x101F8F88};
+
+/**
+MIDI event used by a MIDI controller to signal to
+a client that play of a MIDI resource has completed.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryMidiPlayingComplete = {0x101F8F89};
+
+/**
+MIDI event used by a MIDI controller to signal to
+a client a sync update event. The frequency of this event is
+set by the client with SetSyncUpdateCallbackIntervalL.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryMidiSyncUpdate = {0x101F8F8A};
+
+/**
+MIDI event used by a MIDI controller to signal to
+a client that any currently opened resources have been closed.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryMidiClose = {0x101F8F8B};
+
+/**
+MIDI event used by a MIDI controller to signal to a client that the 
+MIDI controller has been primed and it's ready to play.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryMidiPrime = {0x101F8F8C};
+
+/**
+MIDI event used by a MIDI controller to signal to a client that the MIDI
+resource has encountered a tempo change message in the MIDI data stream.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryTempoChanged = {0x101F8F8D};
+
+/**
+MIDI event used by a MIDI controller to signal to a client that the MIDI
+resource has encountered a volume change message in the MIDI data stream.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryVolumeChanged = {0x101F8F8E};
+
+/**
+MIDI event used by a MIDI controller to signal to a client that the 
+MIDI resource has encountered a mute message in the MIDI data stream.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryMuteChanged = {0x101F8F8F};
+
+/**
+MIDI event used by a MIDI controller to signal to a client that the polyphony
+of the MIDI engine has changed.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryPolyphonyChanged = {0x101F8F90};
+
+/**
+MIDI event used by a MIDI controller to signal to a client that
+an instrument has been changed on a channel.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryInstrumentChanged = {0x101F8F91};
+
+/**
+MIDI event used by a MIDI controller to signal to a client that a timed
+meta data entry has been found in the MIDI data stream.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryMetaDataEntryFound  = {0x101F8F92};
+
+/**
+MIDI event used by a MIDI controller to signal to a client that a 
+MIP message has been found in the MIDI data stream.
+
+@publishedAll
+@released
+*/
+const TUid KMMFEventCategoryMipMessageReceived  = {0x101F8F93};
+
+/**
+@internalComponent
+*/
+class TMMFMidiConfig1
+	{
+public:
+	inline TMMFMidiConfig1();
+public:
+	/** 
+	 * Number of tracks present in the currently open MIDI resource.
+	 */
+	TInt iNumTracks;
+
+	/** 
+	 * Current state of the MIDI client utility object 
+	 * (EMidiStateClosedDisengaged,EMidiStateOpenDisengaged,EMidiStateOpenPlaying,EMidiStatePlaybackIncompatible,
+	 *  EMidiStatePlaybackSilent, EMidiStateClosedEngaged, EMidiStateOpenEngaged).
+	 */
+	 
+	TInt iState;
+
+	/** 
+	 * Tempo in microbeats per minute (BPM*1000000).
+	 */
+	TInt iTempo;
+
+	/** 
+	 * Pitch shift in cents, i.e. semitones * 100. One octave equals 1200 cents.
+	 */
+	TInt iPitch;
+
+	/** 
+	 * Array of logical {channel, MIP} value pairs to send SP-MIDI MIP message to the MIDI engine.
+	 */
+	const TArray<TMipMessageEntry>* iMipMessage; 
+
+	/** 
+	 * The maximum number of notes that the MIDI engine supports simultaneously (polyphony).
+	 */
+	TInt iNumNotes; 
+
+	/** 
+	 * Max polyphony level: 0 <= PolyphonyL() <= iMaxNotes.
+	 */
+	TInt iMaxNotes;
+
+	/** 
+	 * Overall volume of the MIDI client.
+	 */
+	TInt iVolume;
+
+	/** 
+	 * Maximum volume that may be applied overall to the MIDI client.
+	 */
+	TInt iMaxVolume;
+
+	/** 
+	 * Length of time over which the volume is faded up from zero to the current settings when playback is started.
+	 */
+	TTimeIntervalMicroSeconds iRampDuration;
+
+	/** 
+	 * Stereo balance value: KMMFBalanceMaxLeft <= iBalance <= KMMFBalanceMaxRight.
+	 */
+	TInt iBalance;
+
+	/** 
+	 * The number of times the current opened resources has to be repeated.
+	 * This includes the first instance of playing.
+	 */
+	TInt iNumRepeats;
+
+	/** 
+	 * Length of time over which the volume is faded out from the current settings to zero.
+	 */
+	TTimeIntervalMicroSeconds iFadeOutDuration;
+	};
+
+/**
+@internalComponent
+*/
+class TMMFMidiConfig2
+	{
+public:
+	inline TMMFMidiConfig2();
+public:
+	/** 
+	 * Index of the track to mute: 0 <= iTrack < NumTracksL().
+	 */
+	TInt iTrack;
+
+	/** 
+	 * ETrue to mute the track/channel, EFalse to unmute it.
+	 */
+	TBool iMuted;
+
+	/** 
+	 * Note to play ot to terminate: 0 <= iNote <= 127.
+	 */
+	TInt iNote;
+
+	/** 
+	 * Length of time to play the note for.
+	 */
+	TTimeIntervalMicroSeconds iDurationMicroSeconds;
+
+	/** 
+	 * Specifying the time at which to start playing the note.
+	 * It's relative to the MIDI resource playing time or the time elapsed
+	 * since Play() was called if no resource is present.
+	 */
+	TTimeIntervalMicroSeconds iStartTime;
+
+	/** 
+	 * Velocity with which to start the note: 0 <= iNoteOnVelocity <= 127.
+	 */
+	TInt iNoteOnVelocity;
+
+	/** 
+	 * Velocity with which to stop the note: 0 <= iNoteOffVelocity <= 127.
+	 */
+	TInt iNoteOffVelocity;
+
+	/** 
+	 * Number of standard or custom sound banks currently available.
+	 */
+	TInt iNumBanks;
+
+	/** 
+	 * Specifies whether to reference a custom or standard sound bank.
+	 */
+	TBool iCustom;
+
+	/** 
+	 * Index of custom/deault bank: 0 <= iBankIndex < NumberOfBanksL()
+	 */
+	TInt iBankIndex;
+
+	/** 
+	 * Custom/deault Bank's Identifier.
+	 */
+	TInt iBankId;
+
+	/** 
+	 * Identifier of the custom bank in memory.
+	 */
+	TInt iMemoryBankId;
+
+	/** 
+	 * Name of the file containing the custom sound bank or the name 
+	 * of the file containing the instrument. Includes the directory path. 
+	 */
+	const TDesC* iFileName;
+
+	/** 
+	 * Descriptor containing the custom sound bank.
+	 */
+	const TDesC8* iBankData;
+
+	/** 
+	 * Descriptor containing the instrument.
+	 */
+	const TDesC8* iInstrumentData;
+
+	/** 
+	 * ETrue if the specified bank is in memory, EFalse otherwise.
+	 */
+	TBool iBankLoaded;
+
+	/** 
+	 * Number of instruments available for the specified sound bank.
+	 */
+	TInt iNumInstruments;
+
+	/** 
+	 * Index of the instrument to reference: 0 <= aInstrumentIndex < NumberOfInstrumentsL().
+	 */
+	TInt iInstrumentIndex;
+
+	/** 
+	 * Identifier of specified instrument. This may differ from the index 
+	 * since the index simply enumerates the instruments, whereas identifiers 
+	 * may not be contiguous, especially where certain instruments correspond 
+	 * to General MIDI-defined instruments but not all instruments are present.
+	 * 0 <= iInstrumentId <= 127.
+	 */
+	TInt iInstrumentId;
+
+	/** 
+	 * Identifier of the instrument in memory.
+	 */
+	TInt iMemoryInstrumentId;
+
+	/** 
+	 * Current metrical position of the MIDI resource being played.
+	 * Microbeats (BPM*1000000) relative to the start of the resource.
+	 */
+	TInt64 iPositionMicroBeats;
+
+	/** 
+	 * Length of the currently open MIDI resource.
+	 * Duration in microbeats (beats * 1000000).
+	 */
+	TInt64 iDurationMicroBeats;
+
+	/** 
+	 * Time at which playback will stop, relative to the start of the resource.
+	 * Clamped to 0 and the duration of the resource.
+	 */
+	TTimeIntervalMicroSeconds iStopTime;
+
+	/** 
+	 * Logical channel: 0 <= iChannel < ChannelsSupportedL().
+	 */
+	TInt iChannel;
+
+	/** 
+	 * Volume level in dB corresponding to the MIDI Channel:
+	 * -infinity <= iChannelVol <= MaxVolumeL().
+	 */
+	TReal32 iChannelVol;
+
+	/** 
+	 * Maximum volume setting in dB, should always be 0 dB and 
+	 * correspond to the MIDI Channel Volume controller maximum value.
+	 */
+	TReal32 iMaxChannelVol;
+	};
+
+/**
+@internalComponent
+*/
+class TMMFMidiConfig3
+	{
+public:
+	inline TMMFMidiConfig3();
+public:
+	/** 
+	 * Temporal interval between MmcuoSyncUpdate callback.
+	 */
+	TTimeIntervalMicroSeconds iCallbackIntervalMicroSeconds;
+
+	/** 
+	 * Metrical interval between MmcuoSyncUpdate callback.
+	 */
+	TInt64 iCallbackIntervalMicroBeats;
+
+	/** 
+	 * Number of bytes of the MIDI message buffer actually processed when client
+	 * calls SendMessageL.
+	 */
+	TInt iBytesProcessed;
+
+	/** 
+	 * Time at which to execute the MIDI message sent by SendMessageL.
+	 * It's relative to the MIDI resource playing time or the time elapsed 
+	 * since Play() was called if no resource is present.
+	 */
+	TTimeIntervalMicroSeconds iTimeStamp;
+
+	/** 
+	 * Number of time to repeat the resource during playback. This includes the first playing.
+	 */
+	TInt iRepeatNumberOfTimes;
+
+	/** 
+	 * Time in microseconds to pause between repeats.
+	 */
+	TTimeIntervalMicroSeconds iTrailingSilence;
+
+	/** 
+	 * Playback rate for the playback of the current MIDI resource
+	 * in percent times 1000, i.e., 100000 means original playback speed,
+	 * 200000 means double speed, and 50000 means half speed playback.
+	 */
+	TInt iPlayBackRate;
+
+	/** 
+	 * Maximum playback rate supported by MIDI player.
+	 */
+	TInt iPlayBackMaxRate;
+
+	/** 
+	 * Minimum playback rate supported by MIDI player.
+	 */
+	TInt iPlayBackMinRate;
+
+	/** 
+	 * Descriptor containing a MIDI message data. If there
+	 * are several MIDI messages in the buffer, only the first
+	 * one is processed.
+	 */
+	const TDesC8* iMidiMessage;
+	};
+
+inline TMMFMidiConfig1::TMMFMidiConfig1()
+{};
+
+inline TMMFMidiConfig2::TMMFMidiConfig2()
+{};
+
+inline TMMFMidiConfig3::TMMFMidiConfig3()
+{};
+
+#endif