mmeapi.h header
This header is used by Windows Multimedia. For more information, see:
mmeapi.h contains the following programming interfaces:
Functions
| auxGetDevCaps The auxGetDevCaps function (mmeapi.h) retrieves the capabilities of a given auxiliary output device. |
| auxGetDevCapsA The auxGetDevCaps function retrieves the capabilities of a given auxiliary output device. (auxGetDevCapsA) |
| auxGetDevCapsW The auxGetDevCapsW (Unicode) function (mmeapi.h) retrieves the capabilities of a given auxiliary output device. |
| auxGetNumDevs The auxGetNumDevs function retrieves the number of auxiliary output devices present in the system. |
| auxGetVolume The auxGetVolume function retrieves the current volume setting of the specified auxiliary output device. |
| auxOutMessage The auxOutMessage function sends a message to the given auxiliary output device. This function also performs error checking on the device identifier passed as part of the message. |
| auxSetVolume The auxSetVolume function sets the volume of the specified auxiliary output device. |
| MEVT_EVENTPARM The MEVT_EVENTPARM macro retrieves the event parameters or length from the value specified in the dwEvent member of a MIDIEVENT structure. |
| MEVT_EVENTTYPE The MEVT_EVENTTYPE macro retrieves the event type from the value specified in the dwEvent member of a MIDIEVENT structure. |
| midiConnect The midiConnect function connects a MIDI input device to a MIDI thru or output device, or connects a MIDI thru device to a MIDI output device. |
| midiDisconnect The midiDisconnect function disconnects a MIDI input device from a MIDI thru or output device, or disconnects a MIDI thru device from a MIDI output device. |
| midiInAddBuffer The midiInAddBuffer function sends an input buffer to a specified opened MIDI input device. This function is used for system-exclusive messages. |
| midiInClose The midiInClose function closes the specified MIDI input device. |
| midiInGetDevCaps The midiInGetDevCaps function (mmeapi.h) determines the capabilities of a specified MIDI input device. |
| midiInGetDevCapsA The midiInGetDevCaps function determines the capabilities of a specified MIDI input device. (midiInGetDevCapsA) |
| midiInGetDevCapsW The midiInGetDevCapsW (Unicode) function (mmeapi.h) determines the capabilities of a specified MIDI input device. |
| midiInGetErrorText The midiInGetErrorText function (mmeapi.h) retrieves a textual description for an error identified by the specified error code. |
| midiInGetErrorTextA The midiInGetErrorText function retrieves a textual description for an error identified by the specified error code. (midiInGetErrorTextA) |
| midiInGetErrorTextW The midiInGetErrorTextW (Unicode) function (mmeapi.h) retrieves a textual description for an error identified by the specified error code. |
| midiInGetID The midiInGetID function gets the device identifier for the given MIDI input device. |
| midiInGetNumDevs The midiInGetNumDevs function retrieves the number of MIDI input devices in the system. |
| midiInMessage The midiInMessage function sends a message to the MIDI device driver. |
| midiInOpen The midiInOpen function opens a specified MIDI input device. |
| midiInPrepareHeader The midiInPrepareHeader function prepares a buffer for MIDI input. |
| midiInReset The midiInReset function stops input on a given MIDI input device. |
| midiInStart The midiInStart function starts MIDI input on the specified MIDI input device. |
| midiInStop The midiInStop function stops MIDI input on the specified MIDI input device. |
| midiInUnprepareHeader The midiInUnprepareHeader function cleans up the preparation performed by the midiInPrepareHeader function. |
| midiOutCacheDrumPatches The midiOutCacheDrumPatches function requests that an internal MIDI synthesizer device preload and cache a specified set of key-based percussion patches. |
| midiOutCachePatches The midiOutCachePatches function requests that an internal MIDI synthesizer device preload and cache a specified set of patches. |
| midiOutClose The midiOutClose function closes the specified MIDI output device. |
| midiOutGetDevCaps The midiOutGetDevCaps function (mmeapi.h) queries a specified MIDI output device to determine its capabilities. |
| midiOutGetDevCapsA The midiOutGetDevCaps function queries a specified MIDI output device to determine its capabilities. (midiOutGetDevCapsA) |
| midiOutGetDevCapsW The midiOutGetDevCapsW (Unicode) function (mmeapi.h) queries a specified MIDI output device to determine its capabilities. |
| midiOutGetErrorText The midiOutGetErrorText (mmeapi.h) function retrieves a textual description for an error identified by the specified error code. |
| midiOutGetErrorTextA The midiOutGetErrorText function retrieves a textual description for an error identified by the specified error code. (midiOutGetErrorTextA) |
| midiOutGetErrorTextW The midiOutGetErrorTextW (Unicode) function (mmeapi.h) retrieves a textual description for an error identified by the specified error code. |
| midiOutGetID The midiOutGetID function retrieves the device identifier for the given MIDI output device. |
| midiOutGetNumDevs The midiOutGetNumDevs function retrieves the number of MIDI output devices present in the system. |
| midiOutGetVolume The midiOutGetVolume function retrieves the current volume setting of a MIDI output device. |
| midiOutLongMsg The midiOutLongMsg function sends a system-exclusive MIDI message to the specified MIDI output device. |
| midiOutMessage The midiOutMessage function sends a message to the MIDI device drivers. This function is used only for driver-specific messages that are not supported by the MIDI API. |
| midiOutOpen The midiOutOpen function opens a MIDI output device for playback. |
| midiOutPrepareHeader The midiOutPrepareHeader function prepares a MIDI system-exclusive or stream buffer for output. |
| midiOutReset The midiOutReset function turns off all notes on all MIDI channels for the specified MIDI output device. |
| midiOutSetVolume The midiOutSetVolume function sets the volume of a MIDI output device. |
| midiOutShortMsg The midiOutShortMsg function sends a short MIDI message to the specified MIDI output device. |
| midiOutUnprepareHeader The midiOutUnprepareHeader function cleans up the preparation performed by the midiOutPrepareHeader function. |
| midiStreamClose The midiStreamClose function closes an open MIDI stream. |
| midiStreamOpen The midiStreamOpen function opens a MIDI stream for output. By default, the device is opened in paused mode. The stream handle retrieved by this function must be used in all subsequent references to the stream. |
| midiStreamOut The midiStreamOut function plays or queues a stream (buffer) of MIDI data to a MIDI output device. |
| midiStreamPause The midiStreamPause function pauses playback of a specified MIDI stream. |
| midiStreamPosition The midiStreamPosition function retrieves the current position in a MIDI stream. |
| midiStreamProperty The midiStreamProperty function sets or retrieves properties of a MIDI data stream associated with a MIDI output device. |
| midiStreamRestart The midiStreamRestart function restarts a paused MIDI stream. |
| midiStreamStop The midiStreamStop function turns off all notes on all MIDI channels for the specified MIDI output device. |
| mixerClose The mixerClose function closes the specified mixer device. |
| mixerGetControlDetails The mixerGetControlDetails function (mmeapi.h) retrieves details about a single control associated with an audio line. |
| mixerGetControlDetailsA The mixerGetControlDetails function retrieves details about a single control associated with an audio line. (mixerGetControlDetailsA) |
| mixerGetControlDetailsW The mixerGetControlDetailsW (Unicode) function (mmeapi.h) retrieves details about a single control associated with an audio line. |
| mixerGetDevCaps The mixerGetDevCaps function (mmeapi.h) queries a specified mixer device to determine its capabilities. |
| mixerGetDevCapsA The mixerGetDevCaps function queries a specified mixer device to determine its capabilities. (mixerGetDevCapsA) |
| mixerGetDevCapsW The mixerGetDevCapsW (Unicode) function (mmeapi.h) queries a specified mixer device to determine its capabilities. |
| mixerGetID The mixerGetID function retrieves the device identifier for a mixer device associated with a specified device handle. |
| mixerGetLineControls The mixerGetLineControls function (mmeapi.h) retrieves one or more controls associated with an audio line. |
| mixerGetLineControlsA The mixerGetLineControls function retrieves one or more controls associated with an audio line. (mixerGetLineControlsA) |
| mixerGetLineControlsW The mixerGetLineControlsW (Unicode) function retrieves one or more controls associated with an audio line. (mixerGetLineControlsW) |
| mixerGetLineInfo The mixerGetLineInfo function retrieves information about a specific line of a mixer device and contains parameters that modify the function. |
| mixerGetLineInfoA The mixerGetLineInfo function retrieves information about a specific line of a mixer device. (mixerGetLineInfoA) |
| mixerGetLineInfoW The mixerGetLineInfoW (Unicode) function retrieves information about a specific line of a mixer device. (mixerGetLineInfoW) |
| mixerGetNumDevs The mixerGetNumDevs function retrieves the number of mixer devices present in the system. |
| mixerMessage The mixerMessage function sends a custom mixer driver message directly to a mixer driver. |
| mixerOpen The mixerOpen function opens a specified mixer device and ensures that the device will not be removed until the application closes the handle. |
| mixerSetControlDetails The mixerSetControlDetails function sets properties of a single control associated with an audio line. |
| waveInAddBuffer The waveInAddBuffer function sends an input buffer to the given waveform-audio input device. When the buffer is filled, the application is notified. |
| waveInClose The waveInClose function closes the given waveform-audio input device. |
| waveInGetDevCaps The waveInGetDevCaps function retrieves the capabilities of a given waveform-audio input device. |
| waveInGetErrorText The waveInGetErrorText function retrieves a textual description of the error identified by the given error number. |
| waveInGetID The waveInGetID function gets the device identifier for the given waveform-audio input device. |
| waveInGetNumDevs The waveInGetNumDevs function returns the number of waveform-audio input devices present in the system. |
| waveInGetPosition waveInGetPosition is no longer supported for use as of Windows Vista. |
| waveInMessage The waveInMessage function sends messages to the waveform-audio input device drivers. |
| waveInOpen The waveInOpen function opens the given waveform-audio input device for recording. |
| waveInPrepareHeader The waveInPrepareHeader function prepares a buffer for waveform-audio input. |
| waveInReset The waveInReset function stops input on the given waveform-audio input device and resets the current position to zero. All pending buffers are marked as done and returned to the application. |
| waveInStart The waveInStart function starts input on the given waveform-audio input device. |
| waveInStop The waveInStop function stops waveform-audio input. |
| waveInUnprepareHeader The waveInUnprepareHeader function cleans up the preparation performed by the waveInPrepareHeader function. |
| waveOutBreakLoop The waveOutBreakLoop function breaks a loop on the given waveform-audio output device and allows playback to continue with the next block in the driver list. |
| waveOutClose The waveOutClose function closes the given waveform-audio output device. |
| waveOutGetDevCaps The waveOutGetDevCaps function retrieves the capabilities of a given waveform-audio output device. |
| waveOutGetErrorText The waveOutGetErrorText function retrieves a textual description of the error identified by the given error number. |
| waveOutGetID The waveOutGetID function retrieves the device identifier for the given waveform-audio output device. |
| waveOutGetNumDevs The waveOutGetNumDevs function retrieves the number of waveform-audio output devices present in the system. |
| waveOutGetPitch The waveOutGetPitch function retrieves the current pitch setting for the specified waveform-audio output device. |
| waveOutGetPlaybackRate The waveOutGetPlaybackRate function retrieves the current playback rate for the specified waveform-audio output device. |
| waveOutGetPosition The waveOutGetPosition function retrieves the current playback position of the given waveform-audio output device. |
| waveOutGetVolume The waveOutGetVolume function retrieves the current volume level of the specified waveform-audio output device. |
| waveOutMessage The waveOutMessage function sends messages to the waveform-audio output device drivers. |
| waveOutOpen The waveOutOpen function opens the given waveform-audio output device for playback. |
| waveOutPause The waveOutPause function pauses playback on the given waveform-audio output device. The current position is saved. Use the waveOutRestart function to resume playback from the current position. |
| waveOutPrepareHeader The waveOutPrepareHeader function prepares a waveform-audio data block for playback. |
| waveOutReset The waveOutReset function stops playback on the given waveform-audio output device and resets the current position to zero. All pending playback buffers are marked as done (WHDR_DONE) and returned to the application. |
| waveOutRestart The waveOutRestart function resumes playback on a paused waveform-audio output device. |
| waveOutSetPitch The waveOutSetPitch function sets the pitch for the specified waveform-audio output device. |
| waveOutSetPlaybackRate The waveOutSetPlaybackRate function sets the playback rate for the specified waveform-audio output device. |
| waveOutSetVolume The waveOutSetVolume function sets the volume level of the specified waveform-audio output device. |
| waveOutUnprepareHeader The waveOutUnprepareHeader function cleans up the preparation performed by the waveOutPrepareHeader function. This function must be called after the device driver is finished with a data block. You must call this function before freeing the buffer. |
| waveOutWrite The waveOutWrite function sends a data block to the given waveform-audio output device. |
Structures
| AUXCAPS The AUXCAPS structure describes the capabilities of an auxiliary output device. (AUXCAPS) |
| AUXCAPSA The AUXCAPS structure describes the capabilities of an auxiliary output device. (AUXCAPSA) |
| AUXCAPSW The AUXCAPS structure describes the capabilities of an auxiliary output device. (AUXCAPSW) |
| MIDIEVENT The MIDIEVENT structure describes a MIDI event in a stream buffer. |
| MIDIHDR The MIDIHDR structure defines the header used to identify a MIDI system-exclusive or stream buffer. |
| MIDIINCAPS The MIDIINCAPS structure describes the capabilities of a MIDI input device. (MIDIINCAPS) |
| MIDIINCAPSA The MIDIINCAPS structure describes the capabilities of a MIDI input device. (MIDIINCAPSA) |
| MIDIINCAPSW The MIDIINCAPS structure describes the capabilities of a MIDI input device. (MIDIINCAPSW) |
| MIDIOUTCAPS The MIDIOUTCAPS structure describes the capabilities of a MIDI output device. (MIDIOUTCAPS) |
| MIDIOUTCAPSA The MIDIOUTCAPS structure describes the capabilities of a MIDI output device. (MIDIOUTCAPSA) |
| MIDIOUTCAPSW The MIDIOUTCAPS structure describes the capabilities of a MIDI output device. (MIDIOUTCAPSW) |
| MIDIPROPTEMPO The MIDIPROPTEMPO structure contains the tempo property for a stream. |
| MIDIPROPTIMEDIV The MIDIPROPTIMEDIV structure contains the time division property for a stream. |
| MIDISTRMBUFFVER The MIDISTRMBUFFVER structure contains version information for a long MIDI event of the MEVT_VERSION type. |
| MIXERCAPS The MIXERCAPS structure describes the capabilities of a mixer device. (MIXERCAPS) |
| MIXERCAPSA The MIXERCAPS structure describes the capabilities of a mixer device. (MIXERCAPSA) |
| MIXERCAPSW The MIXERCAPS structure describes the capabilities of a mixer device. (MIXERCAPSW) |
| MIXERCONTROL The MIXERCONTROL structure describes the state and metrics of a single control for an audio line. (MIXERCONTROL, *PMIXERCONTROL, FAR *PMIXERCONTROL) |
| MIXERCONTROLA The MIXERCONTROL structure describes the state and metrics of a single control for an audio line. (mixercontrola) |
| MIXERCONTROLDETAILS The MIXERCONTROLDETAILS structure refers to control-detail structures, retrieving or setting state information of an audio mixer control. (MIXERCONTROLDETAILS) |
| MIXERCONTROLDETAILS_BOOLEAN The MIXERCONTROLDETAILS_BOOLEAN structure retrieves and sets Boolean control properties for an audio mixer control. |
| MIXERCONTROLDETAILS_LISTTEXT The MIXERCONTROLDETAILS_LISTTEXT structure retrieves list text, label text, and/or band-range information for multiple-item controls. |
| MIXERCONTROLDETAILS_LISTTEXTA The MIXERCONTROLDETAILS structure refers to control-detail structures, retrieving or setting state information of an audio mixer control. (mixercontroldetails_listtexta) |
| MIXERCONTROLDETAILS_LISTTEXTW The MIXERCONTROLDETAILS structure refers to control-detail structures, retrieving or setting state information of an audio mixer control. (mixercontroldetails_listtextw) |
| MIXERCONTROLDETAILS_SIGNED The MIXERCONTROLDETAILS_SIGNED structure retrieves and sets signed type control properties for an audio mixer control. |
| MIXERCONTROLDETAILS_UNSIGNED The MIXERCONTROLDETAILS_UNSIGNED structure retrieves and sets unsigned type control properties for an audio mixer control. |
| MIXERCONTROLW The MIXERCONTROL structure describes the state and metrics of a single control for an audio line. (mixercontrolw) |
| MIXERLINE The MIXERLINE structure describes the state and metrics of an audio line. (MIXERLINE) |
| MIXERLINEA The MIXERLINE structure describes the state and metrics of an audio line. (MIXERLINEA) |
| MIXERLINECONTROLS The MIXERLINECONTROLS structure contains information about the controls of an audio line. (MIXERLINECONTROLS) |
| MIXERLINECONTROLSA The MIXERLINECONTROLS structure contains information about the controls of an audio line. (MIXERLINECONTROLSA) |
| MIXERLINECONTROLSW The MIXERLINECONTROLS structure contains information about the controls of an audio line. (MIXERLINECONTROLSW) |
| MIXERLINEW The MIXERLINE structure describes the state and metrics of an audio line. (MIXERLINEW) |
| PCMWAVEFORMAT The PCMWAVEFORMAT structure describes the data format for PCM waveform-audio data. This structure has been superseded by the WAVEFORMATEX structure. |
| WAVEFORMAT The WAVEFORMAT structure describes the format of waveform-audio data. This structure has been superseded by the WAVEFORMATEX structure. |
| WAVEFORMATEX The WAVEFORMATEX structure defines the format of waveform-audio data. |
| WAVEHDR The WAVEHDR structure defines the header used to identify a waveform-audio buffer. |
| WAVEINCAPS The WAVEINCAPS structure describes the capabilities of a waveform-audio input device. (WAVEINCAPS) |
| WAVEINCAPSA The WAVEINCAPS structure describes the capabilities of a waveform-audio input device. (WAVEINCAPSA) |
| WAVEINCAPSW The WAVEINCAPS structure describes the capabilities of a waveform-audio input device. (WAVEINCAPSW) |
| WAVEOUTCAPS The WAVEOUTCAPS structure describes the capabilities of a waveform-audio output device. (WAVEOUTCAPS) |
| WAVEOUTCAPSA The WAVEOUTCAPS structure describes the capabilities of a waveform-audio output device. (WAVEOUTCAPSA) |
| WAVEOUTCAPSW The WAVEOUTCAPS structure describes the capabilities of a waveform-audio output device. (WAVEOUTCAPSW) |
Feedback
Coming soon: Throughout 2024 we will be phasing out GitHub Issues as the feedback mechanism for content and replacing it with a new feedback system. For more information see: https://aka.ms/ContentUserFeedback.
Submit and view feedback for