APIの変更

Platform SDKs updates:

WG-14405: Nintendo Wii: Now compiling Wwise using Revolution SDK 3.2.
WG-15036: Nintendo Wii: Now compiling Wwise using RevoEX SDK 2.3.
WG-14425: Microsoft XDK: Now compiling Wwise using November 2008 version (7978).
WG-14427: Sony SDK: Now compiling Wwise using PS3 SDK 250.001.

Common:

WG-7035 SoundEngine API functions that have string parameters now exist in 2 variants, Ansi and Unicode. AkChar and AkTChar were replaced by their native types char* and wchar_t*. AkOSChar type was added and can be useful when working on multiple platforms.
WG-7319 (Change #1) AK::Wwise::ISourceControl::GetOperationList() now returns an error code. 詳細については Source Controlプラグインの作成を参照してください。
WG-7319 (Change #2) AK::Wwise::ISourceControl::UpdateAll() function was removed. 詳細については Source Controlプラグインの作成を参照してください。
WG-7319 (Change #3) A new function AK::Wwise::ISourceControl::GetOperationName() is now required to retrieve the name of a command based on its ID. Some other minor changes were integrated. 詳細については Source Controlプラグインの作成を参照してください。
WG-12278 AK::IAkSourcePlugin::GetDuration() is now returning a AkReal32 value.
WG-13318 (Xbox360 only): Now using XAudio2 API. Now required to link against xaudio2.lib and Xmcore.lib.
WG-14285 AK::SoundEngine::LoadBank functions will no longer return AK_Cancelled if Unload is requested right after it.
WG-14299 Added GetPlayingID() to AK::IAkEffectPluginContext and AK::IAkSourcePluginContext.
WG-14309 When using Wwise in Command Line mode, users must now use WwiseCLI.exe instead of Wwise.exe. コマンドラインを使う参照してください。
WG-14379 Definition of AkFileDesc was moved from IAkStreamMgr.h to AkStreamMgrModule.h because it is specific to the default implementation of the Stream Manager (and specific to the definition of the Low-Level IO module), and was not used in the high-level streaming API.
WG-14406 Removed #ifdef AK_OPTIMIZED around the definition of IAkLowLevelIOHook::GetDeviceDesc(). The implementation in release is still expected to be void, but the interface is now consistent between versions.
WG-14560 New API AK::SoundEngine::Wii::ConnectCallback. Previous versions of Wwise managed automatically the reconnection of Wiimotes to re-enable the speakers. This cannot be done automatically anymore since KPADSetConnectCallback doesn't stack multiple callbacks. KPADSetConnectCallback or WPADSetConnectCallback must be called by the game and either call AK::SoundEngine::Wii::ConnectCallback in the game's callback or provide directly AK::SoundEngine::Wii::ConnectCallback if the game doesn't need to do anything on Wiimote reconnection. This is valid only if the game uses the Wiimote speakers.

新機能

New Features in 2009.1:

WG-3415 Now supporting Multi-channel sources when using Vorbis encoding.
WG-8545 The command-line application is now without UI, with stdout/stderr output, and with proper return code. コマンドラインを使う参照してください。
WG-12289 Added default value for RTPC. (Available in Wwise application).
WG-12996 The Integration demo is now available on PS3.
WG-12997 The Integration demo is now available on Wii.
WG-13787 New feature allowing to set a memory threshold to start kicking voices when the memory level becomes critical, using priority to kick the lowest priority voice currently playing. See: AkInitSettings and AkPlatformInitSettings.
WG-13966 Random Sequence containers in Step mode will now default on another element of the playlist if not all of them were loaded.

Introduced in 2008.4 Patch 1

WG-13225: Added new functionality in the SoundFrame allowing to query original files associated to an Event.

Behavior and Performance Changes

behavior changes:

WG-3690 The Stream Profiler now trims the beginning of long stream names.
WG-4790 FromElapsedTime virtual behavior used with objects of the Interactive Music hierarchy is now sample-accurate. When tracks are streamed, the user-defined look-ahead time is used in order to restart voices without source starvation.
WG-13494 Fade-out curves are not reversed anymore in the fade-out parameters of stop and pause events.
WG-13134 Music tracks which source clips don't require looping are not considered looping anymore. This results in a huge optimization regarding streaming (the stream manager does not cache the loop start anymore), and in improved audio quality at the end of clips when using windowing compression codecs (no more contribution from the beginning of the sound).
WG-13135 (Xbox360 only)XMA sources now sound well with Interactive Music. The XMA decoder introduces a latency of about 384 samples, so the actual audio was delayed compared to the boundaries of audio clips in Music Tracks. This latency is now compensated by the music engine.
WG-13787 Memory usage reported by the sound engine is now way more accurate.
WG-14609 StartOutputCapture now opens dump file synchronously.
WG-14845 SoundSeed Impact plug-in: Number of modes synthesized no longer mapped to a multiple of 4 to allow significant quality transformations with few modes.

パフォーマンスの変更：

WG-10910 Major performance optimization when using Vorbis compression on Wii.
WG-13314 Enhanced Blend Container Performance when using arge number of RTPCs with multiple sounds.
WG-14076 Slightly improved memory usage in stream manager.
WG-14168 Decreased usage of PPU during low-level bus mixing. For a test case using 8 submix busses (busses with insert effects), the total time spent on the SPU for the Final Mix job, including the DMAs, went from 95us to 80us, and the time spent on the PPU to reset the busses for the next frame went from 45us to 0us.

Bug Fixes and Miscellaneous Changes

バグ修正：

WG-11747 Fixed race conditions that could cause crash or deadlocks when Loading/Unloading sound banks.
WG-13542 ToneGen: Each pink noise instance will have a different shape.
WG-13727 Fixed: very short Vorbis sounds ( < 1024 samples ) were not playing.
WG-13912 Fixed: Crash when double-clicking a Trigger in the Stinger list.
WG-14132 Fixed: Matrix Reverb Web & Dry levels assert when they have RTPC.
WG-14185 Fixed: Possible instability issue when the number of custom cues in Segment is larger than 12.
WG-14199 Fixed: during volume fades, volume was applied on groups of 2 samples, resulting in a very tiny stair-like envelope. Now volume is applied on each sample separately, resulting in a smoother (although imperceptible) envelope. This fix does not involve any loss of performance.
WG-14206 Fixed an issue where Priority rules were not always respected when distances between sounds are very small.
WG-14219 (Fix #1) Fixed: Stream manager does not clean streams when IAkFileLocationResolver::Open() fails while monitoring.
WG-14219 (Fix #2) Fixed: IAkLowLevelIOHook::Close() is called on a file handle that was never opened when stream creation fails because of insufficient memory.
WG-14224 Fixed: Random unused bytes in converted XMA files causing files to be sometime different at each compilation.
WG-14225 Fixed: Memory allocation made with AK::MemoryMgr::CreatePool won't work with some alignment settings.
WG-14239 Fixed a bug where the Capture log would erroneously display "Codec plug-in not registered: Vorbis " even while no vorbis sound are being processed.
WG-14396 Fixed: Possible crash when loading simultaneously two banks containing the same source with two different prefetch size.
WG-14413 Fixed: Sample implementations of IAkFileLocationResolver::Open return AK_Fail even if AkFileHelpers::OpenFile() returns AK_FileNotFound. Valid return values are AK_Success, AK_Fail, and AK_FileNotFound. In the latter case, the default implementation of the Stream Manager posts a "File Not Found" monitoring message instead of the vague "Cannot Open File" message.
WG-14434 Fixed: CrossFade transitions on vorbis sounds that are looping may not occur at the right moment.
WG-14552 Fixed a dangerous locking issue when calling AK::SoundEngine::CancelBankCallbackCookie.
WG-14553 Fixed a situation where a call to ExecuteActionOnEvent( ) would be void because an invalid game object was passed in parameters and the user was not informed of the situation in the profiler.
WG-14613 Fixed: Possible crash when using Sequence transitions with delay of 0 seconds.
WG-14679 Fixed an issue where palying infinitely looping segment of size 0 would freeze the sound engine. Now printing an error message instead.
WG-14712 Fixed: possible noise in right channel of ADPCM stereo file on PS3.
WG-14716 Now possible to query GetRTPCValue to allow returning the value of global objects.
WG-14730 Fixed: Crash in the music engine in low-memory conditions.
WG-14735 Fixed: (Wii only) Sync loss between behavioral/music and lower engines when computation of an audio frame is slower than an AX frame.
WG-14757 Fixed: (Windows only) Fixed a situation where the sound engine would lock the entire Directsound output buffer on write.
WG-14808 Fixed: (PC, Xbox 360 and Playstation3): Source starvation notifications can be skipped when zero-latency streamed source start. This can happen when the prefeteched data only consists of the header (that is, using very small values of prefetching).
WG-14815 Fixed a bug where actions scoped with exceptions would sometime not work when sounds are overriding parents.
WG-14933 Fixed: Idle wait time feature of streaming devices (when AkDeviceSettings::uIdleWaitTime is not AK_INFINITE) is broken on the PS3, and may potentially cause crashes on the Wii with AK_SCHEDULER_DEFERRED_LINED_UP devices.

Misc:

WG-13318 (Xbox360 only): Now using XAudio2 API.
WG-13345 Removed unused include of <windows.h> in AkTypes.h.
WG-14240 Updated Vorbis encoder to use the aoTuV-b5.61 release; noticeable audio quality gains at low bitrates.
WG-14340 Don't allow anymore wwise.exe to generate bank from command line. User should always be using WwiseCLI.exe. コマンドラインを使う参照してください。
WG-14306 Old Reverb/Lite effects need to be flagged as 'deprecated'. New projects should be using Matrix Reverb or RoomVerb instead.
WG-11327 Fixed: Make I/O errors in profiler more complete, including missing file path.

Introduced in 2008.4 Patch 1

WG-13829: Infinite loop in CAkEvent::QueryAudioObjectIDs if the action type is not "play".
WG-13846: NOP asserts in sound engine/SDK samples.
WG-13979: PS3: Fixed an issue where the soundEngine would fail to initialize if another system did initialize audio first.

Introduced in 2008.4 Patch 2

WG-14477: (Wii only) In-memory PCM and ADPCM sounds that have a looping region which does not start at the beginning produce Voice Starvation notifications, are killed and reacquired at each frame.
WG-14478: Vorbis from File can stop playing before the end.
WG-14494: Assert in Stream Manager (AkDeviceBase.cpp line 1378), which can occur while streaming audio files (automatic streams)and loading soundbanks at the same time (standard streams). This assert could have been ignored safely.
WG-14495: Crash when loading a bank while trying to play a MotionFX.
WG-14496: Rumble keeps playing on Xbox360.
WG-14531: (Wii only) OSReport() called from WiimoteMgr and RumbleBus in Release.

Introduced in 2008.4 Patch 3

WG-14618 Fixed: Crash when terminating the sound engine with a pending action on a seq/rnd container.
WG-14625 Fixed: Deadlock in Stream manager Standard Streams counter (Win32 + Xbox 360 only). This can result in having the IO thread constantly awaken even if there is no pending standard stream operation, thus flooding the low-level IO with automatic stream requests above their target buffer length
WG-14680 Fixed: (Wii only). Source starvation notifications can be skipped when zero-latency streamed source start. This can happen when the prefeteched data only consists of the header (that is, using very small values of prefetching).
WG-14680 Fixed: (Wii only). Possible click with zero-latency streamed PCM sources when the prefeteched data contains only the header (that is, using very small values of prefetching).
WG-14742 (Wii only) Stereo PCM and ADPCM streamed sources now become silent when source (I/O) starvation occurs (instead of looping the same buffer).
WG-14851 Fixed: Inoffensive assert in AkMusicSwitchCtx.cpp (in_iRelativeTime==0), and possibly wrong fade-in times in music transitions that use a transition segment.
WG-14839 Fixed: Alignment error on file package header read from disk (may be problematic on the Wii). The sample samples/SoundEngine/Common/AkFilePackageLowLevelIO.inl was updated.

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Wwiseからはじめよう

Wwise SDK

What's New in 2009.1