EN
このコンテンツは設定された言語で表示できません。英語版のページが表示されます。

AVIStreamReadData function

The AVIStreamReadData function reads optional header data from a stream.

Syntax


STDAPI AVIStreamReadData(
  PAVISTREAM pavi,
  DWORD ckid,
  LPVOID lpData,
  LONG  *lpcbData
);

Parameters

pavi

Handle to an open stream.

ckid

Four-character code identifying the data.

lpData

Pointer to the buffer to contain the optional header data.

lpcbData

Pointer to the location that specifies the buffer size used for lpData. If the read is successful, AVIFile changes this value to indicate the amount of data written into the buffer for lpData.

Return value

Returns zero if successful or an error otherwise. The return value AVIERR_NODATA indicates the system could not find any data with the specified chunk identifier.

Remarks

This function retrieves only optional header information from the stream. This information is custom and does not have a set format.

The argument pavi is 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

See also

AVIFile Functions and Macros
AVIFile Functions

 

 

コミュニティの追加

表示:
© 2014 Microsoft