[Scummvm-cvs-logs] CVS: scummvm/sound mixer.cpp,1.26,1.27
Pawe? Ko?odziejski
aquadran at users.sourceforge.net
Tue May 21 22:56:02 CEST 2002
Update of /cvsroot/scummvm/scummvm/sound
In directory usw-pr-cvs1:/tmp/cvs-serv2814
Modified Files:
mixer.cpp
Log Message:
Fix for mixer 16 bits samples. Samples are clear now.
bbrox: This patch works fine for me, previous not. (MSVC6 + SP5)
Index: mixer.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/sound/mixer.cpp,v
retrieving revision 1.26
retrieving revision 1.27
diff -u -d -r1.26 -r1.27
--- mixer.cpp 20 May 2002 20:35:25 -0000 1.26
+++ mixer.cpp 22 May 2002 05:55:10 -0000 1.27
@@ -267,7 +267,7 @@
unsigned char volume = ((int) vol_tab[1]) * 32 / 255;
byte *s = *s_ptr;
do {
- int16 sample = (int16) (((int32) ((*s << 8) | *(s + 1))) * volume / 32);
+ int16 sample = (((int16)(*s << 8) | *(s + 1)) * volume) / 32;
fp_pos += fp_speed;
*data++ += sample;
*data++ += sample;
@@ -287,8 +287,8 @@
byte *s = *s_ptr;
do {
fp_pos += fp_speed;
- *data++ += (int16) ((((int32) ((*(s ) << 8) | *(s + 1))) * volume) / 32);
- *data++ += (int16) ((((int32) ((*(s + 2) << 8) | *(s + 3))) * volume) / 32);
+ *data++ += (((int16)(*(s ) << 8) | *(s + 1)) * volume) / 32;
+ *data++ += (((int16)(*(s + 2) << 8) | *(s + 3)) * volume) / 32;
s += (fp_pos >> 16) << 2;
fp_pos &= 0x0000FFFF;
} while (--len);
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