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SndChannel structure
#include <Sound.h>
typedef struct SndChannel { Size Offset Description
struct SndChannel *nextChan; 4 0
Ptr firstMod; 4 4 reserved for the
Sound Manager
SndCallBackProcPtr callBack; 4 8 pointer to callback proc
long userInfo; 4 12 free for application's use
The following field is defined as a long only if you are using THINK C. It is of type Time
if you are using another development system.
long wait; ·4 16 The following is for
internal
Sound Manager use only.
SndCommand cmdInProgress; 8 20
short flags; ·2 28
short qLength; 2 30
short qHead; ·2 32 next spot to read or -1 if
empty
short qTail; ·2 34 next spot to write = qHead
if full
SndCommand queue[stdQLength]; 1024 36
}SndChannel; ·1060
typedef SndChannel *SndChannelPtr;
Most applications do not need to worry about creating or disposing of sound
channels because the high-level Sound Manager routines take care of these
automatically. If you are using low-level Sound Manager routines, you can
create your own sound channels (with the SndNewChannel function).
Referenced by (340):