+// some code for sample mixing
+// (c) Copyright 2006-2007, Grazvydas "notaz" Ignotas
+
#define MAXOUT (+32767)
#define MINOUT (-32768)
}
-
-
-void memcpy32(int *dest, int *src, int count)
-{
- while (count--)
- *dest++ = *src++;
-}
-
-
-void memset32(int *dest, int c, int count)
-{
- while (count--)
- *dest++ = c;
-}
-
-
void mix_32_to_16l_stereo(short *dest, int *src, int count)
{
int l, r;
}
+void mix_16h_to_32(int *dest_buf, short *mp3_buf, int count)
+{
+ while (count--)
+ {
+ *dest_buf++ += *mp3_buf++ >> 1;
+ }
+}
+
+void mix_16h_to_32_s1(int *dest_buf, short *mp3_buf, int count)
+{
+ count >>= 1;
+ while (count--)
+ {
+ *dest_buf++ += *mp3_buf++ >> 1;
+ *dest_buf++ += *mp3_buf++ >> 1;
+ mp3_buf += 1*2;
+ }
+}
+
+void mix_16h_to_32_s2(int *dest_buf, short *mp3_buf, int count)
+{
+ count >>= 1;
+ while (count--)
+ {
+ *dest_buf++ += *mp3_buf++ >> 1;
+ *dest_buf++ += *mp3_buf++ >> 1;
+ mp3_buf += 3*2;
+ }
+}
+