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Windows 8 DLL File Information - winmmbase.dll

The following DLL report was generated by automatic DLL script that scanned and loaded all DLL files in the system32 directory of Windows 8, extracted the information from them, and then saved it into HTML reports. If you want to view a report of another DLL, go to the main page of this Web site.


General Information

File Description: Base Multimedia Extension API DLL  
File Version: 6.2.9200.16384 (win8_rtm.120725-1247)  
Company: Microsoft Corporation  
Product Name: Microsoft® Windows® Operating System  
DLL popularity Very Low - 1 other DLL files in system32 directory are statically linked to this file.
File Size: 153 KB
Total Number of Exported Functions: 150
Total Number of Exported Functions With Names: 150

Section Headers

Name Virtual Address Raw Data Size % of File Characteristics Section Contains...
.text 0x00001000 133,120 Bytes 84.7% Read, Execute Code
.data 0x00022000 5,120 Bytes 3.3% Write, Read Initialized Data
.idata 0x00024000 5,120 Bytes 3.3% Read Initialized Data
.rsrc 0x00026000 3,072 Bytes 2.0% Read Initialized Data
.reloc 0x00027000 9,728 Bytes 6.2% Read, Discardable Initialized Data

Static Linking

winmmbase.dll is statically linked to the following files:


This means that when winmmbase.dll is loaded, the above files are automatically loaded too. If one of these files is corrupted or missing, winmmbase.dll won't be loaded.


List of files that are statically linked to winmmbase.dll


This means that when one of the above files is loaded, winmmbase.dll will be loaded too. (The opposite of the previous 'Static Linking' section)


General Resources Information

Resource Type Number of Items Total Size % of File
Icons 0 0 Bytes 0.0%
Animated Icons 0 0 Bytes 0.0%
Cursors 0 0 Bytes 0.0%
Animated Cursors 0 0 Bytes 0.0%
Bitmaps 0 0 Bytes 0.0%
AVI Files 0 0 Bytes 0.0%
Dialog-Boxes 0 0 Bytes 0.0%
HTML Related Files 0 0 Bytes 0.0%
Menus 0 0 Bytes 0.0%
Strings 37 5,318 Bytes 3.4%
Type Libraries 0 0 Bytes 0.0%
Manifest 0 0 Bytes 0.0%
All Others 4 2,646 Bytes 1.7%
Total 41 7,964 Bytes 5.1%

Icons in this file

No icons found in this file


Cursors in this file

No cursors found in this file


Dialog-boxes list (up to 200 dialogs)

No dialog resources in this file.


String resources in this dll (up to 200 strings)

String ID String Text
0 The specified command was carried out.
1 Undefined external error.
2 A device ID has been used that is out of range for your system.
3 The driver was not enabled.
4 The specified device is already in use. Wait until it is free, and then try again.
5 The specified device handle is invalid.
6 There is no driver installed on your system.
7 There is not enough memory available for this task. Quit one or more applications to increase available memory, and then try again.
8 This function is not supported. Use the Capabilities function to determine which functions and messages the driver supports.
9 An error number was specified that is not defined in the system.
10 An invalid flag was passed to a system function.
11 An invalid parameter was passed to a system function.
12 Handle being used simultaneously on another thread (eg callback).
13 Specified alias not found in WIN.INI.
14 The registry database is corrupt.
15 The specified registry key was not found.
16 The registry could not be opened or could not be read.
17 The registry could not be written to.
18 The specified registry key could not be deleted.
19 The specified registry key value could not be found.
20 The driver did not generate a valid OPEN callback.
32 The specified format is not supported or cannot be translated. Use the Capabilities function to determine the supported formats.
33 Cannot perform this operation while media data is still playing. Reset the device, or wait until the data is finished playing.
34 The wave header was not prepared. Use the Prepare function to prepare the header, and then try again.
35 Cannot open the device without using the WAVE_ALLOWSYNC flag. Use the flag, and then try again.
64 The MIDI header was not prepared. Use the Prepare function to prepare the header, and then try again.
65 Cannot perform this operation while media data is still playing. Reset the device, or wait until the data is finished playing.
66 A MIDI map was not found. There may be a problem with the driver, or the MIDIMAP.CFG file may be corrupt or missing.
67 The port is transmitting data to the device. Wait until the data has been transmitted, and then try again.
68 The current MIDI Mapper setup refers to a MIDI device that is not installed on the system. Use MIDI Mapper to edit the setup.
69 The current MIDI setup is damaged. Copy the original MIDIMAP.CFG file to the Windows SYSTEM directory, and then try again.
70 A MIDI call was made which is invalid with the current open mode. Reopen the device with the correct mode.
71 Driver condition - do not callback this input event
1153 mapper
2001 Unknown error returned from MCI command
3029 Microsoft PC-joystick driver

COM Classes/Interfaces

There is no type library in this file with COM classes/interfaces information


Exported Functions List

The following functions are exported by this dll:
CloseDriver DefDriverProc DriverCallback DrvGetModuleHandle
GetDriverModuleHandle OpenDriver SendDriverMessage auxGetDevCapsA
auxGetDevCapsW auxGetNumDevs auxGetVolume auxOutMessage
auxSetVolume joyConfigChanged joyGetDevCapsA joyGetDevCapsW
joyGetNumDevs joyGetPos joyGetPosEx joyGetThreshold
joyReleaseCapture joySetCapture joySetThreshold midiConnect
midiDisconnect midiInAddBuffer midiInClose midiInGetDevCapsA
midiInGetDevCapsW midiInGetErrorTextA midiInGetErrorTextW midiInGetID
midiInGetNumDevs midiInMessage midiInOpen midiInPrepareHeader
midiInReset midiInStart midiInStop midiInUnprepareHeader
midiOutCacheDrumPatches midiOutCachePatches midiOutClose midiOutGetDevCapsA
midiOutGetDevCapsW midiOutGetErrorTextA midiOutGetErrorTextW midiOutGetID
midiOutGetNumDevs midiOutGetVolume midiOutLongMsg midiOutMessage
midiOutOpen midiOutPrepareHeader midiOutReset midiOutSetVolume
midiOutShortMsg midiOutUnprepareHeader midiStreamClose midiStreamOpen
midiStreamOut midiStreamPause midiStreamPosition midiStreamProperty
midiStreamRestart midiStreamStop mixerClose mixerGetControlDetailsA
mixerGetControlDetailsW mixerGetDevCapsA mixerGetDevCapsW mixerGetID
mixerGetLineControlsA mixerGetLineControlsW mixerGetLineInfoA mixerGetLineInfoW
mixerGetNumDevs mixerMessage mixerOpen mixerSetControlDetails
mmDrvInstall mmGetCurrentTask mmTaskBlock mmTaskCreate
mmTaskSignal mmTaskYield mmioAdvance mmioAscend
mmioClose mmioCreateChunk mmioDescend mmioFlush
mmioGetInfo mmioInstallIOProcA mmioInstallIOProcW mmioOpenA
mmioOpenW mmioRead mmioRenameA mmioRenameW
mmioSeek mmioSendMessage mmioSetBuffer mmioSetInfo
mmioStringToFOURCCA mmioStringToFOURCCW mmioWrite waveInAddBuffer
waveInClose waveInGetDevCapsA waveInGetDevCapsW waveInGetErrorTextA
waveInGetErrorTextW waveInGetID waveInGetNumDevs waveInGetPosition
waveInMessage waveInOpen waveInPrepareHeader waveInReset
waveInStart waveInStop waveInUnprepareHeader waveOutBreakLoop
waveOutClose waveOutGetDevCapsA waveOutGetDevCapsW waveOutGetErrorTextA
waveOutGetErrorTextW waveOutGetID waveOutGetNumDevs waveOutGetPitch
waveOutGetPlaybackRate waveOutGetPosition waveOutGetVolume waveOutMessage
waveOutOpen waveOutPause waveOutPrepareHeader waveOutReset
waveOutRestart waveOutSetPitch waveOutSetPlaybackRate waveOutSetVolume
waveOutUnprepareHeader waveOutWrite winmmbaseFreeMMEHandles winmmbaseGetWOWHandle
winmmbaseHandle32FromHandle16 winmmbaseSetWOWHandle


Imported Functions List

The following functions are imported by this dll: