Using Win32 functions in Visual FoxPro Image Gallery
Function Groups:
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Windows Multimedia            ..msdn    Add comment
AVIFileExit The AVIFileExit function exits the AVIFile library and decrements the reference count for the library.
AVIFileGetStream The AVIFileGetStream function returns the address of a stream interface that is associated with a specified AVI file.
AVIFileInfo The AVIFileInfo function obtains information about an AVI file.
AVIFileInit The AVIFileInit function initializes the AVIFile library.
AVIFileOpen The AVIFileOpen function opens an AVI file and returns the address of a file interface used to access it.
AVIFileRelease The AVIFileRelease function decrements the reference count of an AVI file interface handle and closes the file if the count reaches zero.
AVIFileWriteData Writes supplementary data (other than normal header, format, and stream data) to the file.
AVIStreamGetFrame The AVIStreamGetFrame function returns the address of a decompressed video frame.
AVIStreamGetFrameClose The AVIStreamGetFrameClose function releases resources used to decompress video frames.
AVIStreamGetFrameOpen The AVIStreamGetFrameOpen function prepares to decompress video frames from the specified video stream.
AVIStreamInfo The AVIStreamInfo function obtains stream header information.
AVIStreamLength The AVIStreamLength function returns the length of the stream.
AVIStreamReadFormat The AVIStreamReadFormat function reads the stream format data.
AVIStreamRelease The AVIStreamRelease function decrements the reference count of an AVI stream interface handle, and closes the stream if the count reaches zero.
AVIStreamStart The AVIStreamStart function returns the starting sample number for the stream.
AVIStreamTimeToSample The AVIStreamTimeToSample function converts from milliseconds to samples.
capCreateCaptureWindow The capCreateCaptureWindow function creates a capture window.
capGetDriverDescription The capGetDriverDescription function retrieves the version description of the capture driver.
DrawDibClose The DrawDibClose function closes a DrawDib DC and frees the resources DrawDib allocated for it.
DrawDibDraw The DrawDibDraw function draws a DIB to the screen.
DrawDibOpen The DrawDibOpen function opens the DrawDib library for use and creates a DrawDib DC for drawing.
mciGetDeviceID Retrieves the device identifier corresponding to the name of an open device.
mciGetErrorString The mciGetErrorString function retrieves a string that describes the specified MCI error code.
mciSendCommand Sends a command message to the specified MCI device.
mciSendString The mciSendString function sends a command string to an MCI device. The device that the command is sent to is specified in the command string.
midiOutClose Closes the specified MIDI output device.
midiOutGetDevCaps Queries a specified MIDI output device to determine its capabilities.
midiOutGetNumDevs Retrieves the number of MIDI output devices present in the system.
midiOutOpen Opens a MIDI output device for playback.
midiOutReset Turns off all notes on all MIDI channels for the specified MIDI output device.
midiOutShortMsg Sends a short MIDI message to the specified MIDI output device.
mixerClose The mixerClose function closes the specified mixer device.
mixerGetControlDetails Retrieves details about a single control associated with an audio line.
mixerGetDevCaps The mixerGetDevCaps function queries a specified mixer device to determine its capabilities.
mixerGetID Retrieves the device identifier for a mixer device associated with a specified device handle.
mixerGetLineControls The mixerGetLineControls function retrieves one or more controls associated with an audio line.
mixerGetLineInfo The mixerGetLineInfo function retrieves information about a specific line of a mixer device.
mixerGetNumDevs The mixerGetNumDevs function retrieves the number of mixer devices present in the system.
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 Sets properties of a single control associated with an audio line.
mmioAscend The mmioAscend function ascends out of a chunk in a RIFF file descended into with the mmioDescend function or created with the mmioCreateChunk function.
mmioClose The mmioClose function closes a file that was opened by using the mmioOpen function.
mmioCreateChunk The mmioCreateChunk function creates a chunk in a RIFF file that was opened by using the mmioOpen function.
mmioDescend The mmioDescend function descends into a chunk of a RIFF file that was opened by using the mmioOpen function. It can also search for a given chunk.
mmioFlush The mmioFlush function writes the I/O buffer of a file to disk if the buffer has been written to.
mmioOpen The mmioOpen function opens a file for unbuffered or buffered I/O. The file can be a standard file, a memory file, or an element of a custom storage system.
mmioRead The mmioRead function reads a specified number of bytes from a file opened by using the mmioOpen function.
mmioSeek Changes the current file position in a file opened by using the mmioOpen function.
mmioWrite Writes a specified number of bytes to a file opened by using the mmioOpen function.
PlaySound Plays a sound specified by the given file name, resource, or system event.
sndPlaySound The sndPlaySound function plays a waveform sound specified either by a filename or by an entry in the registry or the WIN.INI file.
timeGetDevCaps Queries the timer device to determine its resolution.
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.
waveInGetNumDevs The waveInGetNumDevs function returns the number of waveform-audio input devices present in the system.
waveInGetPosition The waveInGetPosition function retrieves the current input position of the given waveform-audio input device.
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. This function must be called after the device driver fills a buffer and returns it to the application. You must call this function before freeing the buffer.
waveOutClose The waveOutClose function closes the given waveform-audio output device.
waveOutGetDevCaps Retrieves the capabilities of a given waveform-audio output device.
waveOutGetErrorText Retrieves a textual description of the error identified by the given error number.
waveOutGetNumDevs Retrieves the number of waveform-audio output devices present in the system.
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.
waveOutOpen The waveOutOpen function opens the given waveform-audio output device for playback.
waveOutPrepareHeader The waveOutPrepareHeader function prepares a waveform-audio data block for playback with waveOutWrite function.
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 and returned to the application.
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.
Code examples:
Class for sound recording
How to play AVI file on the _screen
WAV file player
Playing WAV sounds simultaneously
How to extract frames from AVI files
Adding supplementary data to AVI files
Reading parameters of streams in AVI file
Changing pitch and speed of a wave file
Quering Audio Mixer Device
Quering a waveform-audio input device
Reading header information from AVI file
How to play MIDI notes
Enumerating MIDI output devices
Quering waveform-audio output devices
Using Multimedia Command Strings to play MIDI files
Using Video Capture: displaying on FoxPro form frames and previewing video obtained from a digital camera
Playing WAV files on InteractiveChange
How to play a waveform sound (a WAV file in particular)
Accessing a CD device (cdaudio) with Multimedia Command Strings
WAV file recorder
Using Video Capture: enumerating installed capture drivers
User Contributed Notes:
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