STREAMPROPS
A version of this page is also available for
4/8/2010
This structure defines the properties of a waveform audio stream.
Syntax
typedef struct tagSTREAMPROPS {
DWORD dwClassID;
DWORD dwFlags;
} STREAMPROPS, *PSTREAMPROPS;
Members
dwClassID
A DWORD value that identifies the playback class for the waveform audio stream. The following table shows the possible values for this member.Flag Description WAGC_CLASS_DEFAULT
The stream is in the default playback class.
WAGC_CLASS_NORMAL
The stream is in the normal playback class.
WAGC_CLASS_AUDIO_ALERT
The stream is in the audio alert default playback class.
WAGC_CLASS_SPEECH_ALERT
The stream is in the speech alert playback class.
WAGC_CLASS_SPEECH_NOTIFICATION
The stream is in the speech notification playback class.
WAGC_CLASS_AUDIO_NOTIFICATION
The stream is in the audio notification playback class.
WAGC_CLASS_FORCE_MUTE
The stream is in the muted playback class.
WAGC_CLASS_MAX
The value is the upper bound for playback classes. Playback class values higher than this are illegal.
dwFlags
A DWORD value contains a bit mask that contains one or more flags describing the audio stream. The following table shows the possible flags in this bit mask.Flag Description SPSFL_NOTIFY_GAIN_CHANGE
The stream is affected by audio gain classes.
SPSFL_EXCLUDE
The stream not affected by audio gain classes.
Requirements
| Header | mmsystem.h |
| Windows Embedded CE | Windows CE 5.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |
See Also
Reference
Waveform Audio Structures
waveInGetProperty
waveInSetProperty
waveOutGetProperty
waveOutSetProperty