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AVISaveV function

The AVISaveV function builds a file by combining data streams from other files or from memory.

Syntax


STDAPI AVISaveV(
  LPCTSTR szFile,
  CLSID  *pclsidHandler,
  AVISAVECALLBACK lpfnCallback,
  int nStreams,
  PAVISTREAM  *ppavi,
  LPAVICOMPRESSOPTIONS  *plpOptions
);

Parameters

szFile

Null-terminated string containing the name of the file to save.

pclsidHandler

Pointer to the file handler used to write the file. The file is created by calling the AVIFileOpen function using this handler. If a handler is not specified, a default is selected from the registry based on the file extension.

lpfnCallback

Pointer to a callback function used to display status information and to let the user cancel the save operation.

nStreams

Number of streams to save.

ppavi

Pointer to an array of pointers to the AVISTREAM function structures. The array uses one pointer for each stream.

plpOptions

Pointer to an array of pointers to AVICOMPRESSOPTIONS structures. The array uses one pointer for each stream.

Return value

Returns AVIERR_OK if successful or an error otherwise.

Remarks

This function is equivalent to the AVISave function except the streams are passed in an array instead of as a variable number of arguments.

This function creates a file, copies stream data into the file, closes the file, and releases the resources used by the new file. The last two parameters of this function are arrays that identify the streams to save in the file and define the compression options of those streams.

An application must allocate memory for the AVICOMPRESSOPTIONS structures and the array of pointers to these structures.

The argument ppavi contains the address of a pointer to an IAVIStream interface.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Vfw.h

Library

Vfw32.lib

DLL

Avifil32.dll

Unicode and ANSI names

AVISaveVW (Unicode) and AVISaveVA (ANSI)

See also

AVIFile Functions and Macros
AVIFile Functions

 

 

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