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- TUSBAudio - Thesycon USB Audio 2.0 Class Driver for Windows
- Revision History
- -----------------------------------------------------
- V1.63.0 (December 3, 2012)
- -----------------------------------------------------
- * New: Support for Latency Control added. Device latency
- is now added to latency reported through ASIO.
- * Chg: MIDI OUT pipe throughput increased
- * Chg: enabled compiler optimizations for debug build
- * Chg: merged in current library code
- * Chg: improved error handling in case device fails
- a set sample rate request.
- * New: Statistics enhanced to allow a more detailed
- analysis of processing runtime
- -----------------------------------------------------
- V1.61.0 (September 10, 2012)
- -----------------------------------------------------
- * Chg: SignTools v1.5.0 is now used to create .cat files for
- Windows 8 and Windows Server 2012
- See signing subdirectory!
- * New: PIDs 0x0006 and 0x0008 used for SU1 chip
- added to XMOS_EVAL_KITS package
- * Fix: KS driver operates in event-driven mode now.
- Timer-driven mode caused issues in Win8 if playback
- runs for several hours.
- -----------------------------------------------------
- V1.60.1 (August 29, 2012)
- -----------------------------------------------------
- * Chg: SignTools v1.4.0 is now used to create .cat files for
- Windows 8 and Windows Server 2012
- -----------------------------------------------------
- V1.60.0 (August 17, 2012)
- -----------------------------------------------------
- * Fix: Installer does not display license.txt file under
- specific conditions.
- * Fix: Incorrect parameter check in child device SELECT_INTERFACE
- handling.
- * Chg: Driver expects an empty Audio Class Control interface
- prior to the MIDI streaming interface.
- -----------------------------------------------------
- V1.59.0 (July 24, 2012)
- -----------------------------------------------------
- * New: Manifest of all applications (setup, control panel etc.)
- adapted to support Windows 8.
- * Fix: Installer: If the setup is running in GUI mode the user is now informed if he
- tries to install in a folder for which he has not the required
- privileges. Installation is not started in this case.
- * Fix: Installer error handling fixed for the case that the user disconnects the
- device during installation.
- * Chg: Child device is created for Audio/DFU interface, too, if this
- interface is not claimed by the driver
- -----------------------------------------------------
- V1.58.0 (June 18, 2012)
- -----------------------------------------------------
- * New: XMOS_L1_HIFI configuration added to customization kit.
- * New: Master volume and mute control of Feature Unit
- routed to Windows controls, if no single channel controls are available.
- * New: Driver is able to select ASIO buffer size automatically
- (useful if no control panel is implemented). Manual selection is the default.
- * New: Streaming hold on interval can be configured via registry,
- hold on behavior can be turned off.
- * Fix: Driver checks for availability of SSE2 instruction set
- and fails to load if unavailable.
- -----------------------------------------------------
- V1.57.0 (May 22, 2012)
- -----------------------------------------------------
- * Fix: Thread synchronization problem in DFU firmware downloader
- * New: Installer supports Windows 8.
- Driver works on Windows 8 consumer preview version 32 bit and 64 bit
- * New: MIDI port names configurable via .inf file
- * New: Spy statistics enhanced: plugin Process runtime
- * Chg: Registry parameters AllowMidiInPortSharing, AllowMidiOutPortSharing removed,
- new setting under port-specific subkey: AllowMidiPortSharing
- -----------------------------------------------------
- V1.56.0 (April 13, 2012)
- -----------------------------------------------------
- * Chg: Set USB Streaming Mode, Set Stream Format, Set Clock Source now possible
- while an ASIO client or Windows client is active.
- * Chg: customization scripts: number of supported VID/PID increased from 5 to 16
- * Chg: customization scripts: If vendor certificate is not available then a driver package
- without signature will be created, sys files will be signed with Thesycon certificate.
- * Chg: Documentation of customization scripts improved.
- * Fix: problem in Volume/Mute notification handler
- * Chg: stall SetSampleRate now ignored if device only supports one sample rate
- * Chg: Sound devices will be created in reverse order to make the
- first one the default device under Win7
- * New: ASIO DLL supports private extensions kThesyconAsioGetThreadPrio, kThesyconAsioSetThreadPrio,
- see thesycon_asio_ext.h
- -----------------------------------------------------
- V1.55.0 (February 17, 2012)
- -----------------------------------------------------
- * New: Graphic in setup wizard can be customized.
- * New: Support for silent uninstall in setup wizard improved.
- * Fix: potential deadlock in PnP path when device is removed,
- caused by work item callbacks in steaming engine
- -----------------------------------------------------
- V1.54.0 (January 12, 2012)
- -----------------------------------------------------
- * Fix: driver v1.53 does not load for class 1.0 devices
- * Fix: driver does not accept feedback endpoint for
- class 1.0 devices because of missing usage type in
- bmAttributes
- * Fix: error in feedback data processing for class 1.0
- OUT-only devices causes BSOD
- * Fix: error in float-to-int conversion results in
- corrupted samples
- * Chg: feedback statistics improved (more readable now)
- * Chg: Documentation update
- -----------------------------------------------------
- V1.53.0 (December 22, 2011)
- -----------------------------------------------------
- * Chg: Handling of sample format (class 1.0 and 2.0)
- changed internally
- * Chg: Separate source packages, internal libraries branched
- -----------------------------------------------------
- V1.52.0 (December 19, 2011)
- -----------------------------------------------------
- * Chg: Driver loads in case of invalid USB Audio Class
- descriptor but does not expose audio devices, this
- allows firmware update in this case
- -----------------------------------------------------
- V1.51.0 (December 19, 2011)
- -----------------------------------------------------
- * New: stream processing supports IEEE float format
- -----------------------------------------------------
- V1.50.0 (October 14, 2011)
- -----------------------------------------------------
- * New: sound device category and name GUIDs can be
- configured via .inf file
- * Chg: DriverPackageBuilder .cmd scripts reworked
- and .inf file templates enhanced to support
- sound device profiles and names
- * Fix: Default algorithm does not create playback sound
- devices for channel 9 and above. Recording sound devices
- were created instead.
- -----------------------------------------------------
- V1.49.0 (September 28, 2011)
- -----------------------------------------------------
- * New: sample rate changes through KS can be disabled
- via registry
- -----------------------------------------------------
- V1.48.0 (September 20, 2011)
- -----------------------------------------------------
- * Fix: resource leak on sample rate change may cause
- the driver to stop working
- * Fix: DriverPackageBuilder reported TPP.EXE as missing
- * Chg: We do not longer round up IN stream buffers to
- 1024 bytes, because this does not work on FrescoLogic
- USB 3.0 host controllers.
- * Chg: Windows sound devices do no longer support
- bit resolutions that are not supported by the device
- (Windows XP only)
- -----------------------------------------------------
- V1.47.0 (August 24, 2011)
- -----------------------------------------------------
- * Fix: risk of deadlock in KS framework on stream format
- changes (IOCTL_TUSBAUDIO_SELECT_STREAM_FORMAT_xx)
- Note: this is not yet fully fixed but the probability
- is reduced to a minimum
- -----------------------------------------------------
- V1.46.0 (August 18, 2011)
- -----------------------------------------------------
- * Fix: device name in Sound and Audio Device Properties
- (Windows XP only) was corrupted for specific
- configurations
- -----------------------------------------------------
- V1.45.0 (August 11, 2011)
- -----------------------------------------------------
- * Fix: risk of BSOD on driver load, caused by invalid
- memory access
- * Chg: Workaround in the driver for ISO endpoints
- with bInterval>4 removed. Windows bus driver supports
- bInterval<=4 only. Workaround (descriptor patch) does not
- work with USB 3 controller drivers.
- -----------------------------------------------------
- V1.44.0 (August 05, 2011)
- -----------------------------------------------------
- * Fix: DTM Device Path Exerciser causes BSOD
- * New: WDM sound device configuration can be defined
- via registry (.inf file) per device model that is
- supported by a driver package
- * New: driver supports synchronization type 'Adaptive'
- for ISO OUT endpoint
- * New: driver ensures that the data path (USB streaming)
- is stopped before restarting the device in DFU mode
- -----------------------------------------------------
- V1.43.0 (June 27, 2011)
- -----------------------------------------------------
- * Fix: Driver does not load if a feedback stream exists
- -----------------------------------------------------
- V1.42.0 (June 20, 2011)
- -----------------------------------------------------
- * Fix: potential BSOD if AC notification comes in
- while device is removed.
- * New: watchdog timer restarts streams if streaming hangs
- for any reason, e.g. USB 3.0 bus driver issues.
- * Fix: control panel GUI problems on Windows 7 if text size
- is set to a value larger than 100%
- -----------------------------------------------------
- V1.41.0 (June 10, 2011)
- -----------------------------------------------------
- * Fix: KS Capture path does not work.
- This bug was introduced in V1.34.0.
- * Chg: default ASIO channel names start at index 1
- instead at index 0
- -----------------------------------------------------
- V1.40.0 (June 5, 2011)
- -----------------------------------------------------
- * Chg: New buffer settings concept:
- - streaming buffer size replaced by USB Streaming Mode
- - ASIO buffer size can be set in samples
- * Chg: Incompatible API change!
- REMOVED API functions:
- TUSBAUDIO_GetStreamingBufferSizeSet
- TUSBAUDIO_GetStreamingBufferSize
- TUSBAUDIO_SetStreamingBufferSize
- TUSBAUDIO_GetAsioBufferSizeSet
- TUSBAUDIO_GetAsioBufferSize
- TUSBAUDIO_SetAsioBufferSize
- NEW API functions:
- TUSBAUDIO_GetUsbStreamingMode
- TUSBAUDIO_SetUsbStreamingMode
- TUSBAUDIO_GetASIOBufferSize
- TUSBAUDIO_SetASIOBufferSize
- TUSBAUDIO_GetMinimumASIOBufferSize
- RENAMED:
- enum TUsbAudioStreamingMode --> TUsbAudioDeviceStreamingMode
- * Chg: New buffer settings dialog in control panel
- -----------------------------------------------------
- V1.34.0 (June 1, 2011)
- -----------------------------------------------------
- * Fix: BSOD because KS driver does not check for zero-length
- buffers submitted by applications in the playback path
- * Fix: BSOD because of race in KS driver between
- SetPower and DeleteFilter
- * New: customer-specific workaround: swap center and LFE
- channels in the playback path if enabled in the .inf file
- via EnableSwapCenterLfeWorkaround
- -----------------------------------------------------
- V1.33.0 (May 27, 2011)
- -----------------------------------------------------
- * New: ASIO supports 32 bits per sample transparent data path.
- * Chg: WDM sound device supports 24 bits per sample only
- if this format is supported by the device.
- * Fix: there was a risk of a driver crash (BSOD)
- in case of errors in MIDI initialisation
- -----------------------------------------------------
- V1.32.0 (May 20, 2011)
- -----------------------------------------------------
- * Chg: disabled use of 'Valid Alternate Settings Control'
- until it is implemented by firmware
- * Chg: if a clock selector has one input pin only the
- driver does not send clock selector requests
- * Chg: using Windows Driver Kit version 7.1.0 to build
- the kernel modules (was version 7.0.0 formerly)
- * Chg: if no string descriptor is provided for a USB
- terminal the driver tries the string descriptor of the
- AudioControl interface for sound device name before
- using the hard-coded default name
- * Chg: for all DFU USB requests the maximum timeout interval
- that is allowed by the USB specification (5 seconds) is used
- -----------------------------------------------------
- V1.31.0 (April 18, 2011)
- -----------------------------------------------------
- * New: added support for OUT-only configurations with
- data endpoint synchronization type 'Synchronous',
- no feedback endpoint is required for such configurations
- -----------------------------------------------------
- V1.30.0 (April 15, 2011)
- -----------------------------------------------------
- * New: sample rate can be set through private API,
- new function: TUSBAUDIO_SetSampleRate
- -----------------------------------------------------
- V1.29.0 (March 18, 2011)
- -----------------------------------------------------
- * Fix: there was a memory leak in API DLL, function
- TUSBAUDIO_ReadDeviceNotification
- * Chg: avoid setting sample rate twice on streaming
- startup, this decreases the delay between streaming
- request and streaming active
- -----------------------------------------------------
- V1.28.0 (March 16, 2011)
- -----------------------------------------------------
- * Chg: record data path carries NULL samples during 3 seconds
- hold-off period (after client app disappeared)
- * Chg: the sample rate of the device is set before the
- streams are activated (for USB Audio Class 2.0 devices)
- and after (for USB Audio Class 1.0 devices) respectively
- * New: API extended to control the streaming mode of the
- device (power saving, always on), new functions:
- TUSBAUDIO_GetDeviceStreamingMode
- TUSBAUDIO_SetDeviceStreamingMode
- -----------------------------------------------------
- V1.27.0 (March 09, 2011)
- -----------------------------------------------------
- * Fix: there was a risk of a driver crash (BSOD) after
- the PC has returned from standby/hibernate
- * Fix: if there is only one stream format (alternate setting)
- per direction the 'Valid Alternate Settings Control'
- request will not be used to further validate the list
- of supported sample rates
- * Fix: the driver installer enters a wait state if it detects
- that the system is performing an installation, this improves
- behavior of first time driver installation (when device is
- connected for the first time)
- -----------------------------------------------------
- V1.26.0 (February 23, 2011)
- -----------------------------------------------------
- * Chg: driver startup behaviour regarding sampling rate
- revised, initial SET request is removed
- * Chg: revised selection of default feature units for
- volume and mute control, a single extension unit is
- allowed in the path now
- * Chg: extended sound device creation for input direction,
- the driver creates an 8-channel analogue sound device
- for channel 0..7 and 2-channel digital sound devices
- for remaining channels
- * Fix: ASIO work-around for ProTools 9 implemented
- * Fix: BSOD in AcTerminal::GetInsertedConnectors()
- (mismatch trace format <-> trace arguments)
- * Fix: BSOD in AudioFunctionController::Cleanup
- (NULL pointer in AsTerminalStream destructor)
- * Fix: USB Audio Class requests through driver API
- are no longer allowed while the device is not in
- audio mode
- * Fix: USB Audio Class 1.0 devices only: the sample rate
- of the ISO endpoints is set after AS>0 was selected
- * Fix: USB full-speed mode only: streaming startup
- procedure revised, this fixes occasional errors while
- starting streaming
- * Fix: XP only: Initial position of setup wizard is in
- the upper left corner. This is to avoid that the wizard
- hides the WHQL warning dialog.
- -----------------------------------------------------
- V1.25.0 (January 05, 2011) - internal release
- -----------------------------------------------------
- * New: for clock sources of type 'External' the driver
- will query the external rate by issuing a GET CUR
- CS_SAM_FREQ_CONTROL request with CN set to 1
- * New: for each stream format (alternate setting) the
- list of supported sample rates is stored separately,
- the driver uses the 'Valid Alternate Settings Control'
- for this
- -----------------------------------------------------
- V1.24.0 (December 22, 2010)
- -----------------------------------------------------
- * New: added support for additional USB functions,
- will be exposed as child devices
- -----------------------------------------------------
- V1.23.0 (December 21, 2010)
- -----------------------------------------------------
- * Chg: dsp_al.h: DBGPRINT(x) macro redefined as DBGPRINTF(x)
- * Chg: for high-speed devices it is allowed to have a polling
- interval slower than per microframe
- * Fix: the installer will install the driver for a device
- although there is a more trusted driver available
- * New: added jack sensing support
- -----------------------------------------------------
- V1.22.0 (December 2, 2010)
- -----------------------------------------------------
- * Chg: revised USB Audio Class descriptor parsing, now supports
- USB Audio Class 1.0 devices
- * Chg: revised streaming layer to allow full-speed streaming
- and to support USB Audio Class 1.0 devices, improved streaming
- at low latencies (at small streaming buffer size)
- * Chg: ASIO worker thread priority increased,
- increases stability when smallest ASIO buffer size is used
- * Chg: ASIO DLL now reports buffer sizes that are compatible
- with Pro Tools 9.
- * Chg: custom.ini now supports absolute or relative path in AsioControlPanel=
- New setting AsioControlPanelArgs= added to specify optional arguments
- * Fix: On specific error conditions, ASIO CreateBuffers can return
- null pointers for ASIO buffers which causes ASIO host to crash
- * Fix: No more audio samples were flowing after the ASIO host
- has changed the sample rate (observed with Cubase and Nuendo)
- * Chg: added support for volume/mute control via private control API,
- TUSBAUDIO_AudioControlRequestSet can address feature units
- * New: added volume/mute change notifications through private control API
- TUSBAUDIO_RegisterDeviceNotification support new category
- TUSBAUDIO_NOTIFY_CATEGORY_VOLUME_CHANGE
- -----------------------------------------------------
- V1.21.0 (October 15, 2010)
- -----------------------------------------------------
- * New: added support for floating point arithmetic
- in DSP code
- -----------------------------------------------------
- V1.20.0 (October 12, 2010)
- -----------------------------------------------------
- * New: added support for Digital Signal Processing (DSP)
- plugin, plugin is implemented as a kernel mode driver
- * Chg: USB streaming layer implementation revised, audio
- latency improved
- -----------------------------------------------------
- V1.19.0 (October 20, 2010)
- -----------------------------------------------------
- * Fix: Driver crashes if device does not report a valid
- sample rate, or initial set sample rate request fails
- * Fix: Invalid return value (e.g. zero) from
- GET CLOCK_SELECTOR_CONTROL caused control panel to crash.
- * Fix: BSOD if ASIO host is closed after device was unplugged.
- * Chg: API changed: currentIndex parameter removed from:
- TUSBAUDIO_GetSupportedSampleRates
- TUSBAUDIO_GetSupportedClockSources
- TUSBAUDIO_GetSupportedStreamFormats
- * Chg: API changed: TUsbAudioClockSource revised
- * New: ASIO multi-client support can be disabled
- via registry
- * Fix: AsioReset not delivered to second ASIO client
- on sample rate change
- -----------------------------------------------------
- V1.18.0 (September 08, 2010)
- -----------------------------------------------------
- * Fix: Foobar 2000 playback through ASIO hangs
- when sample rate changes
- * New: ASIO control panel supported
- (through custom.ini)
- * Chg: MIDI Cable Number interpretation changed after
- clarification by Apple/Roland, Cable Number is now
- used as a zero-based index into the baAssocJackID
- array of the endpoint descriptor
- * New: device volume/mute change notifications are
- reflected in the Windows mixer
- -----------------------------------------------------
- V1.17.0 (September 1, 2010)
- -----------------------------------------------------
- * New: control panel supports stream format switching
- (based on alternate settings)
- * New: control panel supports firmware upgrade
- -----------------------------------------------------
- V1.16.0 (August 11, 2010)
- -----------------------------------------------------
- * New: SDK package available
- * Chg: private driver API support direct access
- to device descriptors and allows to send AudioClass
- control requests to specific nodes
- * Chg: control panel redesigned
- -----------------------------------------------------
- V1.15.0 (July 27, 2010)
- -----------------------------------------------------
- * New: WDM audio devices for SPDIF (PCM-only format)
- added
- * New: firmware image to be touched by DFU procedure
- can be selected
- * New: list of available clock sources is displayed
- in control panel (including clock source status
- information), current clock source can be selected
- * New: interrupt endpoint of AudioControl interface
- is polled for messages, control panel processes these
- messages
- * Chg: Demo/Eval restrictions relaxed:
- beep starts after 60 mins and is then repeated
- every 5 mins
- * Fix: DFU Console shortcut does not start dfucons.exe
- because of an invalid PATH variable
- * Fix: Windows XP WDM audio OUT was locked to 16 bit
- resolution
- * Fix: Windows XP WDM multichannel signal was mixed
- to channel 1/2 (stereo)
- * Fix: accidental BSOD while dynamically unloading
- WDM sound devices
- -----------------------------------------------------
- V1.14.x
- -----------------------------------------------------
- internal releases
- -----------------------------------------------------
- V1.14.0 (June 30, 2010)
- -----------------------------------------------------
- * Chg: timeout for AudioClass control USB requests
- can be configured per device type
- * Chg: DFU interface number is detected dynamically
- -----------------------------------------------------
- V1.13.x
- -----------------------------------------------------
- internal releases
- -----------------------------------------------------
- V1.12.0 (June 14, 2010)
- -----------------------------------------------------
- internal beta release
- * New: MIDI support included, tested with XDK only
- -----------------------------------------------------
- V1.11.0 (June 03, 2010)
- -----------------------------------------------------
- * Fix: Windows Vista volume playback and record
- devices often started muted (XMOS issue [8380])
- * Fix: driver can't play and record at same time
- (XMOS issue [8425])
- -----------------------------------------------------
- V1.10.1 (June 02, 2010)
- -----------------------------------------------------
- * Fix: distorted sound in out-only configuration
- (XMOS issues [8404], [8414])
- -----------------------------------------------------
- V1.10.0 (May 28, 2010)
- -----------------------------------------------------
- * Fix: Line in was labeled "Speaker"
- * Fix: W7: Sample rate list was incomplete
- * Fix: XP: 24 bit format was not working
- * Chg: Control Panel displays current sample rate only,
- but does not allow sample rate switching
- -----------------------------------------------------
- V1.00.0 (May 12, 2010)
- -----------------------------------------------------
- * New: device sample rate can be set at the
- WDM audio interface (Windows Vista and higher only)
- * New: device volume and mute can be controlled
- by using the standard Windows controls
- * New: added customization support, this allows a
- licensee to create a customized driver package
- * New: added reference manual which includes a
- detailed description of the customization procedure
- * Chg: Test Kit is replaced by Customization Kit
- * Fix: control panel did not handle device hot-plug
- correctly when start in hidden mode
- -----------------------------------------------------
- V0.50 (April 30, 2010)
- -----------------------------------------------------
- * New: Device Firmware Upgrade (DFU) support added
- * Chg: delivery package consists of two parts
- - Package extractor: unpacks all files to disk,
- optionally starts driver installer
- - Driver Installer: installs drivers and tools,
- creates Start Menu entries, starts control panel
- -----------------------------------------------------
- V0.40 (April 20, 2010)
- -----------------------------------------------------
- * New: 64-bit ASIO support added
- * New: bit-perfect playback via ASIO interface verified
- * New: a free evaluation version of the driver package
- is available
- * Chg: driver-internal calculation of streaming buffer
- size and count revised to avoid lengthy DPCs
- * Fix: control panel did not handle device hot-plug
- correctly
- -----------------------------------------------------
- V0.31 (February 23, 2010)
- -----------------------------------------------------
- * New: control panel displays global driver status
- and error information
- * New: control panel reacts to driver activities
- (sampling rate change, ...)
- * New: package installer may execute driver setup
- * Fix: driver setup does not install device driver
- on Windows XP
- * Fix: revised ASIO sample counting and buffer pointer
- handling
- -----------------------------------------------------
- V0.30 (February 12, 2010)
- -----------------------------------------------------
- * New: added full-featured driver installer
- * Chg: driver sets MUTE=OFF and VOL=0db for all
- feature units (master channel only) of the device
- while loading
- -----------------------------------------------------
- V0.24 (January 21, 2010)
- -----------------------------------------------------
- * New: driver sets MUTE=OFF and VOL=MAX for all
- feature units (master channel only) of the device
- while loading
- * New: added support for device hot-plug while ASIO
- interface is active
- * Fix: revised sample rate management
- -----------------------------------------------------
- V0.23 (January 19, 2010) - ASIO beta 1
- -----------------------------------------------------
- * New: added ASIO support (still beta)
- * New: buffer size can be changed via control panel
- * Chg: sample rate and buffer size settings are
- persistent now and will be restored on driver load
- * Chg: control panel resides in system tray now
- * New: added package installer to install
- all files on disk
- -----------------------------------------------------
- V0.22 (December 22, 2009)
- -----------------------------------------------------
- * Fix: audio output stops when playback is paused in
- playback application
- * Chg: default streaming buffer size increased to
- tolerate DPC latencies
- -----------------------------------------------------
- V0.21 (December 15, 2009)
- -----------------------------------------------------
- * New: driver allows to set sample rate via private API
- * New: driver uses implicit feedback for synchronization
- if an IN stream is available, device feedback endpoint
- will not receive IN tokens in this mode
- * New: control panel added
- -----------------------------------------------------
- V0.20 (December 04, 2009)
- -----------------------------------------------------
- * New: driver exposes a Windows sound device for
- SPDIF output
- * New: spy tool including extensive statistics added
- * New: driver console added
- -----------------------------------------------------
- V0.10 (November 06, 2009)
- -----------------------------------------------------
- Initial release.
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