os/mm/mmlibs/mmfw/MIDI/inc/mmfmidiconfig.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     4 // under the terms of "Eclipse Public License v1.0"
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 // Mmf\Common\MmfMidiconfig.h
    15 // 
    16 //
    17 
    18 #ifndef __MMF_COMMON_MMFMIDI_CONFIG_H__
    19 #define __MMF_COMMON_MMFMIDI_CONFIG_H__
    20 
    21 /**
    22 @internalComponent
    23 */
    24 class TMMFMidiConfig1
    25 	{
    26 public:
    27 	inline TMMFMidiConfig1();
    28 public:
    29 	/** 
    30 	 * Number of tracks present in the currently open MIDI resource.
    31 	 */
    32 	TInt iNumTracks;
    33 
    34 	/** 
    35 	 * Current state of the MIDI client utility object 
    36 	 * (EMidiStateClosedDisengaged,EMidiStateOpenDisengaged,EMidiStateOpenPlaying,EMidiStatePlaybackIncompatible,
    37 	 *  EMidiStatePlaybackSilent, EMidiStateClosedEngaged, EMidiStateOpenEngaged).
    38 	 */
    39 	 
    40 	TInt iState;
    41 
    42 	/** 
    43 	 * Tempo in microbeats per minute (BPM*1000000).
    44 	 */
    45 	TInt iTempo;
    46 
    47 	/** 
    48 	 * Pitch shift in cents, i.e. semitones * 100. One octave equals 1200 cents.
    49 	 */
    50 	TInt iPitch;
    51 
    52 	/** 
    53 	 * Array of logical {channel, MIP} value pairs to send SP-MIDI MIP message to the MIDI engine.
    54 	 */
    55 	const TArray<TMipMessageEntry>* iMipMessage; 
    56 
    57 	/** 
    58 	 * The maximum number of notes that the MIDI engine supports simultaneously (polyphony).
    59 	 */
    60 	TInt iNumNotes; 
    61 
    62 	/** 
    63 	 * Max polyphony level: 0 <= PolyphonyL() <= iMaxNotes.
    64 	 */
    65 	TInt iMaxNotes;
    66 
    67 	/** 
    68 	 * Overall volume of the MIDI client.
    69 	 */
    70 	TInt iVolume;
    71 
    72 	/** 
    73 	 * Maximum volume that may be applied overall to the MIDI client.
    74 	 */
    75 	TInt iMaxVolume;
    76 
    77 	/** 
    78 	 * Length of time over which the volume is faded up from zero to the current settings when playback is started.
    79 	 */
    80 	TTimeIntervalMicroSeconds iRampDuration;
    81 
    82 	/** 
    83 	 * Stereo balance value: KMMFBalanceMaxLeft <= iBalance <= KMMFBalanceMaxRight.
    84 	 */
    85 	TInt iBalance;
    86 
    87 	/** 
    88 	 * The number of times the current opened resources has to be repeated.
    89 	 * This includes the first instance of playing.
    90 	 */
    91 	TInt iNumRepeats;
    92 
    93 	/** 
    94 	 * Length of time over which the volume is faded out from the current settings to zero.
    95 	 */
    96 	TTimeIntervalMicroSeconds iFadeOutDuration;
    97 	};
    98 
    99 /**
   100 @internalComponent
   101 */
   102 class TMMFMidiConfig2
   103 	{
   104 public:
   105 	inline TMMFMidiConfig2();
   106 public:
   107 	/** 
   108 	 * Index of the track to mute: 0 <= iTrack < NumTracksL().
   109 	 */
   110 	TInt iTrack;
   111 
   112 	/** 
   113 	 * ETrue to mute the track/channel, EFalse to unmute it.
   114 	 */
   115 	TBool iMuted;
   116 
   117 	/** 
   118 	 * Note to play ot to terminate: 0 <= iNote <= 127.
   119 	 */
   120 	TInt iNote;
   121 
   122 	/** 
   123 	 * Length of time to play the note for.
   124 	 */
   125 	TTimeIntervalMicroSeconds iDurationMicroSeconds;
   126 
   127 	/** 
   128 	 * Specifying the time at which to start playing the note.
   129 	 * It's relative to the MIDI resource playing time or the time elapsed
   130 	 * since Play() was called if no resource is present.
   131 	 */
   132 	TTimeIntervalMicroSeconds iStartTime;
   133 
   134 	/** 
   135 	 * Velocity with which to start the note: 0 <= iNoteOnVelocity <= 127.
   136 	 */
   137 	TInt iNoteOnVelocity;
   138 
   139 	/** 
   140 	 * Velocity with which to stop the note: 0 <= iNoteOffVelocity <= 127.
   141 	 */
   142 	TInt iNoteOffVelocity;
   143 
   144 	/** 
   145 	 * Number of standard or custom sound banks currently available.
   146 	 */
   147 	TInt iNumBanks;
   148 
   149 	/** 
   150 	 * Specifies whether to reference a custom or standard sound bank.
   151 	 */
   152 	TBool iCustom;
   153 
   154 	/** 
   155 	 * Index of custom/deault bank: 0 <= iBankIndex < NumberOfBanksL()
   156 	 */
   157 	TInt iBankIndex;
   158 
   159 	/** 
   160 	 * Custom/deault Bank's Identifier.
   161 	 */
   162 	TInt iBankId;
   163 
   164 	/** 
   165 	 * Identifier of the custom bank in memory.
   166 	 */
   167 	TInt iMemoryBankId;
   168 
   169 	/** 
   170 	 * Name of the file containing the custom sound bank or the name 
   171 	 * of the file containing the instrument. Includes the directory path. 
   172 	 */
   173 	const TDesC* iFileName;
   174 
   175 	/** 
   176 	 * Descriptor containing the custom sound bank.
   177 	 */
   178 	const TDesC8* iBankData;
   179 
   180 	/** 
   181 	 * Descriptor containing the instrument.
   182 	 */
   183 	const TDesC8* iInstrumentData;
   184 
   185 	/** 
   186 	 * ETrue if the specified bank is in memory, EFalse otherwise.
   187 	 */
   188 	TBool iBankLoaded;
   189 
   190 	/** 
   191 	 * Number of instruments available for the specified sound bank.
   192 	 */
   193 	TInt iNumInstruments;
   194 
   195 	/** 
   196 	 * Index of the instrument to reference: 0 <= aInstrumentIndex < NumberOfInstrumentsL().
   197 	 */
   198 	TInt iInstrumentIndex;
   199 
   200 	/** 
   201 	 * Identifier of specified instrument. This may differ from the index 
   202 	 * since the index simply enumerates the instruments, whereas identifiers 
   203 	 * may not be contiguous, especially where certain instruments correspond 
   204 	 * to General MIDI-defined instruments but not all instruments are present.
   205 	 * 0 <= iInstrumentId <= 127.
   206 	 */
   207 	TInt iInstrumentId;
   208 
   209 	/** 
   210 	 * Identifier of the instrument in memory.
   211 	 */
   212 	TInt iMemoryInstrumentId;
   213 
   214 	/** 
   215 	 * Current metrical position of the MIDI resource being played.
   216 	 * Microbeats (BPM*1000000) relative to the start of the resource.
   217 	 */
   218 	TInt64 iPositionMicroBeats;
   219 
   220 	/** 
   221 	 * Length of the currently open MIDI resource.
   222 	 * Duration in microbeats (beats * 1000000).
   223 	 */
   224 	TInt64 iDurationMicroBeats;
   225 
   226 	/** 
   227 	 * Time at which playback will stop, relative to the start of the resource.
   228 	 * Clamped to 0 and the duration of the resource.
   229 	 */
   230 	TTimeIntervalMicroSeconds iStopTime;
   231 
   232 	/** 
   233 	 * Logical channel: 0 <= iChannel < ChannelsSupportedL().
   234 	 */
   235 	TInt iChannel;
   236 
   237 	/** 
   238 	 * Volume level in dB corresponding to the MIDI Channel:
   239 	 * -infinity <= iChannelVol <= MaxVolumeL().
   240 	 */
   241 	TReal32 iChannelVol;
   242 
   243 	/** 
   244 	 * Maximum volume setting in dB, should always be 0 dB and 
   245 	 * correspond to the MIDI Channel Volume controller maximum value.
   246 	 */
   247 	TReal32 iMaxChannelVol;
   248 	};
   249 
   250 /**
   251 @internalComponent
   252 */
   253 class TMMFMidiConfig3
   254 	{
   255 public:
   256 	inline TMMFMidiConfig3();
   257 public:
   258 	/** 
   259 	 * Temporal interval between MmcuoSyncUpdate callback.
   260 	 */
   261 	TTimeIntervalMicroSeconds iCallbackIntervalMicroSeconds;
   262 
   263 	/** 
   264 	 * Metrical interval between MmcuoSyncUpdate callback.
   265 	 */
   266 	TInt64 iCallbackIntervalMicroBeats;
   267 
   268 	/** 
   269 	 * Number of bytes of the MIDI message buffer actually processed when client
   270 	 * calls SendMessageL.
   271 	 */
   272 	TInt iBytesProcessed;
   273 
   274 	/** 
   275 	 * Time at which to execute the MIDI message sent by SendMessageL.
   276 	 * It's relative to the MIDI resource playing time or the time elapsed 
   277 	 * since Play() was called if no resource is present.
   278 	 */
   279 	TTimeIntervalMicroSeconds iTimeStamp;
   280 
   281 	/** 
   282 	 * Number of time to repeat the resource during playback. This includes the first playing.
   283 	 */
   284 	TInt iRepeatNumberOfTimes;
   285 
   286 	/** 
   287 	 * Time in microseconds to pause between repeats.
   288 	 */
   289 	TTimeIntervalMicroSeconds iTrailingSilence;
   290 
   291 	/** 
   292 	 * Playback rate for the playback of the current MIDI resource
   293 	 * in percent times 1000, i.e., 100000 means original playback speed,
   294 	 * 200000 means double speed, and 50000 means half speed playback.
   295 	 */
   296 	TInt iPlayBackRate;
   297 
   298 	/** 
   299 	 * Maximum playback rate supported by MIDI player.
   300 	 */
   301 	TInt iPlayBackMaxRate;
   302 
   303 	/** 
   304 	 * Minimum playback rate supported by MIDI player.
   305 	 */
   306 	TInt iPlayBackMinRate;
   307 
   308 	/** 
   309 	 * Descriptor containing a MIDI message data. If there
   310 	 * are several MIDI messages in the buffer, only the first
   311 	 * one is processed.
   312 	 */
   313 	const TDesC8* iMidiMessage;
   314 	};
   315 
   316 inline TMMFMidiConfig1::TMMFMidiConfig1()
   317 {};
   318 
   319 inline TMMFMidiConfig2::TMMFMidiConfig2()
   320 {};
   321 
   322 inline TMMFMidiConfig3::TMMFMidiConfig3()
   323 {};
   324 
   325 #endif //__MMF_COMMON_MMFMIDI_CONFIG_H__