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Wwise SDK 2021.1.14
AkDynamicSequence.h
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1 /*******************************************************************************
2 The content of this file includes portions of the AUDIOKINETIC Wwise Technology
3 released in source code form as part of the SDK installer package.
4 
5 Commercial License Usage
6 
7 Licensees holding valid commercial licenses to the AUDIOKINETIC Wwise Technology
8 may use this file in accordance with the end user license agreement provided
9 with the software or, alternatively, in accordance with the terms contained in a
10 written agreement between you and Audiokinetic Inc.
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12 Apache License Usage
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14 Alternatively, this file may be used under the Apache License, Version 2.0 (the
15 "Apache License"); you may not use this file except in compliance with the
16 Apache License. You may obtain a copy of the Apache License at
17 http://www.apache.org/licenses/LICENSE-2.0.
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20 under the Apache License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
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24  Version: v2021.1.14 Build: 6590
25  Copyright (c) 2006-2023 Audiokinetic Inc.
26 *******************************************************************************/
27 
28 #ifndef _AK_SOUNDENGINE_AKDYNAMICSEQUENCE_H
29 #define _AK_SOUNDENGINE_AKDYNAMICSEQUENCE_H
30 
31 #include <AK/SoundEngine/Common/AkSoundEngine.h>
32 #include <AK/Tools/Common/AkArray.h>
33 
34 class AkExternalSourceArray;
35 
36 namespace AK
37 {
38  namespace SoundEngine
39  {
40  /// Dynamic Sequence namespace
41  /// \remarks The functions in this namespace are thread-safe, unless stated otherwise.
42  namespace DynamicSequence
43  {
44  /// Playlist Item for Dynamic Sequence Playlist.
45  /// \sa
46  /// - AK::SoundEngine::DynamicSequence::Playlist
47  /// - AK::SoundEngine::PostEvent
48  /// - \ref integrating_external_sources
49  class PlaylistItem
50  {
51  public:
52  PlaylistItem();
53  PlaylistItem(const PlaylistItem& in_rCopy);
54  ~PlaylistItem();
55 
56  PlaylistItem& operator=(const PlaylistItem& in_rCopy);
57  bool operator==(const PlaylistItem& in_rCopy)
58  {
59  AKASSERT(pExternalSrcs == NULL);
60  return audioNodeID == in_rCopy.audioNodeID &&
61  msDelay == in_rCopy.msDelay &&
62  pCustomInfo == in_rCopy.pCustomInfo;
63  };
64 
65  /// Sets the external sources used by this item.
66  /// \sa
67  /// \ref integrating_external_sources
68  AKRESULT SetExternalSources(AkUInt32 in_nExternalSrc, AkExternalSourceInfo* in_pExternalSrc);
69 
70  /// Get the external source array. Internal use only.
71  AkExternalSourceArray* GetExternalSources(){return pExternalSrcs;}
72 
73  AkUniqueID audioNodeID; ///< Unique ID of Audio Node
74  AkTimeMs msDelay; ///< Delay before playing this item, in milliseconds
75  void * pCustomInfo; ///< Optional user data
76 
77  private:
78  AkExternalSourceArray *pExternalSrcs;
79  };
80 
81  /// List of items to play in a Dynamic Sequence.
82  /// \sa
83  /// - AK::SoundEngine::DynamicSequence::LockPlaylist
84  /// - AK::SoundEngine::DynamicSequence::UnlockPlaylist
85  class Playlist
86  : public AkArray<PlaylistItem, const PlaylistItem&>
87  {
88  public:
89  /// Enqueue an Audio Node.
90  /// \return AK_Success if successful, AK_Fail otherwise
91  AkForceInline AKRESULT Enqueue(
92  AkUniqueID in_audioNodeID, ///< Unique ID of Audio Node
93  AkTimeMs in_msDelay = 0, ///< Delay before playing this item, in milliseconds
94  void * in_pCustomInfo = NULL, ///< Optional user data
95  AkUInt32 in_cExternals = 0, ///< Optional count of external source structures
96  AkExternalSourceInfo *in_pExternalSources = NULL///< Optional array of external source resolution information
97  )
98  {
99  PlaylistItem * pItem = AddLast();
100  if ( !pItem )
101  return AK_Fail;
102 
103  pItem->audioNodeID = in_audioNodeID;
104  pItem->msDelay = in_msDelay;
105  pItem->pCustomInfo = in_pCustomInfo;
106  return pItem->SetExternalSources(in_cExternals, in_pExternalSources);
107  }
108  };
109 
110  /// The DynamicSequenceType is specified when creating a new dynamic sequence.\n
111  /// \n
112  /// The default option is DynamicSequenceType_SampleAccurate. \n
113  /// \n
114  /// In sample accurate mode, when a dynamic sequence item finishes playing and there is another item\n
115  /// pending in its playlist, the next sound will be stitched to the end of the ending sound. In this \n
116  /// mode, if there are one or more pending items in the playlist while the dynamic sequence is playing,\n
117  /// or if something is added to the playlist during the playback, the dynamic sequence\n
118  /// can remove the next item to be played from the playlist and prepare it for sample accurate playback before\n
119  /// the first sound is finished playing. This mechanism helps keep sounds sample accurate, but then\n
120  /// you might not be able to remove that next item from the playlist if required.\n
121  /// \n
122  /// If your game requires the capability of removing the next to be played item from the\n
123  /// playlist at any time, then you should use the DynamicSequenceType_NormalTransition option instead.\n
124  /// In this mode, you cannot ensure sample accuracy between sounds.\n
125  /// \n
126  /// Note that a Stop or a Break will always prevent the next to be played sound from actually being played.
127  ///
128  /// \sa
129  /// - AK::SoundEngine::DynamicSequence::Open
130  enum DynamicSequenceType
131  {
132  DynamicSequenceType_SampleAccurate, ///< Sample accurate mode
133  DynamicSequenceType_NormalTransition ///< Normal transition mode, allows the entire playlist to be edited at all times.
134  };
135 
136  /// Open a new Dynamic Sequence.
137  /// \return Playing ID of the dynamic sequence, or AK_INVALID_PLAYING_ID in failure case
138  ///
139  /// \sa
140  /// - AK::SoundEngine::DynamicSequence::DynamicSequenceType
141  AK_EXTERNAPIFUNC( AkPlayingID, Open )(
142  AkGameObjectID in_gameObjectID, ///< Associated game object ID
143  AkUInt32 in_uFlags = 0, ///< Bitmask: see \ref AkCallbackType
144  AkCallbackFunc in_pfnCallback = NULL, ///< Callback function
145  void* in_pCookie = NULL, ///< Callback cookie that will be sent to the callback function along with additional information;
146  DynamicSequenceType in_eDynamicSequenceType = DynamicSequenceType_SampleAccurate ///< See : \ref AK::SoundEngine::DynamicSequence::DynamicSequenceType
147  );
148 
149  /// Close specified Dynamic Sequence. The Dynamic Sequence will play until finished and then
150  /// deallocate itself.
151  AK_EXTERNAPIFUNC( AKRESULT, Close )(
152  AkPlayingID in_playingID ///< AkPlayingID returned by DynamicSequence::Open
153  );
154 
155  /// Play specified Dynamic Sequence.
156  AK_EXTERNAPIFUNC( AKRESULT, Play )(
157  AkPlayingID in_playingID, ///< AkPlayingID returned by DynamicSequence::Open
158  AkTimeMs in_uTransitionDuration = 0, ///< Fade duration
159  AkCurveInterpolation in_eFadeCurve = AkCurveInterpolation_Linear ///< Curve type to be used for the transition
160  );
161 
162  /// Pause specified Dynamic Sequence.
163  /// To restart the sequence, call Resume. The item paused will resume its playback, followed by the rest of the sequence.
164  AK_EXTERNAPIFUNC( AKRESULT, Pause )(
165  AkPlayingID in_playingID, ///< AkPlayingID returned by DynamicSequence::Open
166  AkTimeMs in_uTransitionDuration = 0, ///< Fade duration
167  AkCurveInterpolation in_eFadeCurve = AkCurveInterpolation_Linear ///< Curve type to be used for the transition
168  );
169 
170  /// Resume specified Dynamic Sequence.
171  AK_EXTERNAPIFUNC( AKRESULT, Resume )(
172  AkPlayingID in_playingID, ///< AkPlayingID returned by DynamicSequence::Open
173  AkTimeMs in_uTransitionDuration = 0, ///< Fade duration
174  AkCurveInterpolation in_eFadeCurve = AkCurveInterpolation_Linear ///< Curve type to be used for the transition
175  );
176 
177  /// Stop specified Dynamic Sequence immediately.
178  /// To restart the sequence, call Play. The sequence will restart with the item that was in the
179  /// playlist after the item that was stopped.
180  AK_EXTERNAPIFUNC( AKRESULT, Stop )(
181  AkPlayingID in_playingID, ///< AkPlayingID returned by DynamicSequence::Open
182  AkTimeMs in_uTransitionDuration = 0, ///< Fade duration
183  AkCurveInterpolation in_eFadeCurve = AkCurveInterpolation_Linear ///< Curve type to be used for the transition
184  );
185 
186  /// Break specified Dynamic Sequence. The sequence will stop after the current item.
187  AK_EXTERNAPIFUNC( AKRESULT, Break )(
188  AkPlayingID in_playingID ///< AkPlayingID returned by DynamicSequence::Open
189  );
190 
191  /// Seek inside specified Dynamic Sequence.
192  /// It is only possible to seek in the first item of the sequence.
193  /// If you seek past the duration of the first item, it will be skipped and an error will reported in the Capture Log and debug output.
194  /// All the other items in the sequence will continue to play normally.
195  AK_EXTERNAPIFUNC( AKRESULT, Seek )(
196  AkPlayingID in_playingID, ///< AkPlayingID returned by DynamicSequence::Open
197  AkTimeMs in_iPosition, ///< Position into the the sound, in milliseconds
198  bool in_bSeekToNearestMarker ///< Snap to the marker nearest to the seek position.
199  );
200 
201  /// Seek inside specified Dynamic Sequence.
202  /// It is only possible to seek in the first item of the sequence.
203  /// If you seek past the duration of the first item, it will be skipped and an error will reported in the Capture Log and debug output.
204  /// All the other items in the sequence will continue to play normally.
205  AK_EXTERNAPIFUNC(AKRESULT, Seek)(
206  AkPlayingID in_playingID, ///< AkPlayingID returned by DynamicSequence::Open
207  AkReal32 in_fPercent, ///< Position into the the sound, in percentage of the whole duration.
208  bool in_bSeekToNearestMarker ///< Snap to the marker nearest to the seek position.
209  );
210 
211  /// Get pause times.
212  AK_EXTERNAPIFUNC(AKRESULT, GetPauseTimes)(
213  AkPlayingID in_playingID, ///< AkPlayingID returned by DynamicSequence::Open
214  AkUInt32 &out_uTime, ///< If sequence is currently paused, returns time when pause started, else 0.
215  AkUInt32 &out_uDuration ///< Returns total pause duration since last call to GetPauseTimes, excluding the time elapsed in the current pause.
216  );
217 
218  /// Get currently playing item. Note that this may be different from the currently heard item
219  /// when sequence is in sample-accurate mode.
220  AK_EXTERNAPIFUNC(AKRESULT, GetPlayingItem)(
221  AkPlayingID in_playingID, ///< AkPlayingID returned by DynamicSequence::Open
222  AkUniqueID & out_audioNodeID, ///< Returned audio node ID of playing item.
223  void *& out_pCustomInfo ///< Returned user data of playing item.
224  );
225 
226  /// Lock the Playlist for editing. Needs a corresponding UnlockPlaylist call.
227  /// \return Pointer to locked Playlist if successful, NULL otherwise
228  /// \sa
229  /// - AK::SoundEngine::DynamicSequence::UnlockPlaylist
230  AK_EXTERNAPIFUNC( Playlist *, LockPlaylist )(
231  AkPlayingID in_playingID ///< AkPlayingID returned by DynamicSequence::Open
232  );
233 
234  /// Unlock the playlist.
235  /// \sa
236  /// - AK::SoundEngine::DynamicSequence::LockPlaylist
237  AK_EXTERNAPIFUNC( AKRESULT, UnlockPlaylist )(
238  AkPlayingID in_playingID ///< AkPlayingID returned by DynamicSequence::Open
239  );
240  }
241  }
242 }
243 
244 #endif // _AK_SOUNDENGINE_AKDYNAMICSEQUENCE_H
AK::SoundEngine::DynamicSequence::Stop
AKSOUNDENGINE_API AKRESULT Stop(AkPlayingID in_playingID, AkTimeMs in_uTransitionDuration=0, AkCurveInterpolation in_eFadeCurve=AkCurveInterpolation_Linear)
AkReal32
float AkReal32
32-bit floating point
Definition: AkTypes.h:70
AK::SoundEngine::DynamicSequence::PlaylistItem::SetExternalSources
AKRESULT SetExternalSources(AkUInt32 in_nExternalSrc, AkExternalSourceInfo *in_pExternalSrc)
AK::SoundEngine::DynamicSequence::GetPlayingItem
AKSOUNDENGINE_API AKRESULT GetPlayingItem(AkPlayingID in_playingID, AkUniqueID &out_audioNodeID, void *&out_pCustomInfo)
AkTimeMs
AkInt32 AkTimeMs
Time in ms
Definition: AkTypes.h:66
AK
Audiokinetic namespace
Definition: AkWwiseSDKVersion.cs:32
AK_Fail
@ AK_Fail
The operation failed.
Definition: AkTypes.h:135
AK::SoundEngine::DynamicSequence::PlaylistItem::audioNodeID
AkUniqueID audioNodeID
Unique ID of Audio Node
Definition: AkDynamicSequence.h:73
AkGameObjectID
AkUInt64 AkGameObjectID
Game object ID
Definition: AkTypes.h:70
AK_EXTERNAPIFUNC
#define AK_EXTERNAPIFUNC(_type, _name)
Definition: AkSoundEngineExport.h:78
AK::SoundEngine::DynamicSequence::PlaylistItem::msDelay
AkTimeMs msDelay
Delay before playing this item, in milliseconds
Definition: AkDynamicSequence.h:74
AKRESULT
AKRESULT
Standard function call result.
Definition: AkTypes.h:132
AK::SoundEngine::DynamicSequence::PlaylistItem::operator=
PlaylistItem & operator=(const PlaylistItem &in_rCopy)
AK::SoundEngine::DynamicSequence::Resume
AKSOUNDENGINE_API AKRESULT Resume(AkPlayingID in_playingID, AkTimeMs in_uTransitionDuration=0, AkCurveInterpolation in_eFadeCurve=AkCurveInterpolation_Linear)
Resume specified Dynamic Sequence.
AkArray
Specific implementation of array
Definition: AkArray.h:200
NULL
#define NULL
Definition: AkTypes.h:47
AK::SoundEngine::DynamicSequence::Pause
AKSOUNDENGINE_API AKRESULT Pause(AkPlayingID in_playingID, AkTimeMs in_uTransitionDuration=0, AkCurveInterpolation in_eFadeCurve=AkCurveInterpolation_Linear)
AK::SoundEngine::DynamicSequence::PlaylistItem::PlaylistItem
PlaylistItem(const PlaylistItem &in_rCopy)
AK::SoundEngine::DynamicSequence::LockPlaylist
AKSOUNDENGINE_API Playlist * LockPlaylist(AkPlayingID in_playingID)
AK::SoundEngine::DynamicSequence::Play
AKSOUNDENGINE_API AKRESULT Play(AkPlayingID in_playingID, AkTimeMs in_uTransitionDuration=0, AkCurveInterpolation in_eFadeCurve=AkCurveInterpolation_Linear)
Play specified Dynamic Sequence.
AkUniqueID
AkUInt32 AkUniqueID
Unique 32-bit ID
Definition: AkTypes.h:62
AKASSERT
#define AKASSERT(Condition)
Definition: AkAssert.h:76
AK::SoundEngine::DynamicSequence::DynamicSequenceType_SampleAccurate
@ DynamicSequenceType_SampleAccurate
Sample accurate mode
Definition: AkDynamicSequence.h:132
AkCallbackFunc
void(* AkCallbackFunc)(AkCallbackType in_eType, AkCallbackInfo *in_pCallbackInfo)
Definition: AkCallback.h:267
AK::SoundEngine::DynamicSequence::Playlist::Enqueue
AkForceInline AKRESULT Enqueue(AkUniqueID in_audioNodeID, AkTimeMs in_msDelay=0, void *in_pCustomInfo=NULL, AkUInt32 in_cExternals=0, AkExternalSourceInfo *in_pExternalSources=NULL)
Definition: AkDynamicSequence.h:91
AkCurveInterpolation
AkCurveInterpolation
Curve interpolation types
Definition: AkTypes.h:602
AkCurveInterpolation_Linear
@ AkCurveInterpolation_Linear
Linear (Default)
Definition: AkTypes.h:609
AK::SoundEngine::DynamicSequence::Seek
AKSOUNDENGINE_API AKRESULT Seek(AkPlayingID in_playingID, AkTimeMs in_iPosition, bool in_bSeekToNearestMarker)
AK::SoundEngine::DynamicSequence::PlaylistItem::GetExternalSources
AkExternalSourceArray * GetExternalSources()
Get the external source array. Internal use only.
Definition: AkDynamicSequence.h:71
AkArray< PlaylistItem, const PlaylistItem & >::AddLast
AkForceInline PlaylistItem * AddLast()
Definition: AkArray.h:478
AK::SoundEngine::DynamicSequence::UnlockPlaylist
AKSOUNDENGINE_API AKRESULT UnlockPlaylist(AkPlayingID in_playingID)
AkUInt32
uint32_t AkUInt32
Unsigned 32-bit integer
Definition: AkTypes.h:59
AK::SoundEngine::DynamicSequence::Open
AKSOUNDENGINE_API AkPlayingID Open(AkGameObjectID in_gameObjectID, AkUInt32 in_uFlags=0, AkCallbackFunc in_pfnCallback=NULL, void *in_pCookie=NULL, DynamicSequenceType in_eDynamicSequenceType=DynamicSequenceType_SampleAccurate)
AkForceInline
#define AkForceInline
Definition: AkTypes.h:60
AkPlayingID
AkUInt32 AkPlayingID
Playing ID
Definition: AkTypes.h:65
AK::SoundEngine::DynamicSequence::DynamicSequenceType_NormalTransition
@ DynamicSequenceType_NormalTransition
Normal transition mode, allows the entire playlist to be edited at all times.
Definition: AkDynamicSequence.h:133
AK::SoundEngine::DynamicSequence::GetPauseTimes
AKSOUNDENGINE_API AKRESULT GetPauseTimes(AkPlayingID in_playingID, AkUInt32 &out_uTime, AkUInt32 &out_uDuration)
Get pause times.
AK::SoundEngine::DynamicSequence::PlaylistItem::operator==
bool operator==(const PlaylistItem &in_rCopy)
Definition: AkDynamicSequence.h:57
AK::SoundEngine::DynamicSequence::Close
AKSOUNDENGINE_API AKRESULT Close(AkPlayingID in_playingID)
AK::SoundEngine::DynamicSequence::Break
AKSOUNDENGINE_API AKRESULT Break(AkPlayingID in_playingID)
Break specified Dynamic Sequence. The sequence will stop after the current item.

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