AVIFileGetStream - Win32 Multimedia Programmer's Reference

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AVIFileGetStream

The AVIFileGetStream function returns the address of a stream interface that is associated with a specified AVI file.

STDAPI AVIFileGetStream(

PAVIFILE pfile,
PAVISTREAM * ppavi,
DWORD fccType,
LONG lParam
);

Parameters
pfile

Handle of an open AVI file.

ppavi

Address of the new stream interface.

fccType

Four-character code indicating the type of stream to open. Zero indicates any stream can be opened. The following definitions apply to the data commonly found in AVI streams:

streamtypeAUDIO	Indicates an audio stream.
streamtypeMIDI	Indicates a MIDI stream.
streamtypeTEXT	Indicates a text stream.
streamtypeVIDEO	Indicates a video stream.

lParam

Count of the stream type. Identifies which occurrence of the specified stream type to access.

Return Values
Returns zero if successful or an error otherwise. Possible error values include the following:

AVIERR_NODATA	The file does not contain a stream corresponding to the values of fccType and lParam.
AVIERR_MEMORY	Not enough memory.

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