sound/sslib.h

   1
   2 #ifndef _SSLIB_H
   3 #define _SSLIB_H
   4
   5 #define SAMPLE_RATE                     22050
   6 #define MAX_QUEUED_CHUNKS               (180 +1)
   7 #define SS_NUM_CHANNELS                 16
   8
   9 struct SSChunk
  10 {
  11         signed short *buffer;
  12         int length;
  13
  14         signed char *bytebuffer;                        // same as bytebuffer but in BYTES
  15         int bytelength;                                         // TOTAL length in BYTES
  16
  17         // current read position. this is within bytebuffer and is in BYTES.
  18         int bytepos;
  19
  20         int userdata;                                           // user data to be sent to FinishedCallback when finished
  21 };
  22
  23
  24 struct SSChannel
  25 {
  26         SSChunk chunks[MAX_QUEUED_CHUNKS];
  27         int head, tail;
  28
  29         int volume;
  30         char reserved;                                          // if 1, can only be played on explicitly, not by passing -1
  31
  32         int FinishedChunkUserdata[MAX_QUEUED_CHUNKS];
  33         int nFinishedChunks;
  34
  35         void (*FinishedCB)(int channel, int chunkid);
  36 };
  37
  38 #endif