[Scummvm-cvs-logs] CVS: scummvm sound.cpp,1.102,1.103
Pawe? Ko?odziejski
aquadran at users.sourceforge.net
Fri Jul 19 13:11:06 CEST 2002
Update of /cvsroot/scummvm/scummvm
In directory usw-pr-cvs1:/tmp/cvs-serv32173
Modified Files:
sound.cpp
Log Message:
DIG: implemented music codec 12,
not really tested yet
Index: sound.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/sound.cpp,v
retrieving revision 1.102
retrieving revision 1.103
diff -u -d -r1.102 -r1.103
--- sound.cpp 19 Jul 2002 18:52:50 -0000 1.102
+++ sound.cpp 19 Jul 2002 20:10:56 -0000 1.103
@@ -989,7 +989,35 @@
*(t_table + offset2 + 1) = *(src + offset3);
} while(1);
- // completed soon
+ src = CompOutput;
+ length = (outputSize * 8) / 12;
+ k = 0;
+ c = 0;
+ s = -12;
+ *(src) = *(outputSize + t_table - 1);
+ *(src + outputSize - 1) = *(t_table + length - 1);
+ t = length - 1;
+ if (t > 0) {
+ do {
+ j = length + (k / 2);
+ if (k & 1) {
+ r = s / 8;
+ t_tmp1 = *(t_table + k);
+ t_tmp2 = *(t_table + j);
+ *(src + r + 2) = (*(src + r + 2)) | (t_tmp1 & 0xf0);
+ *(src + r + 3) = ((t_tmp1 & 0x0f) << 4) | ((t_tmp2 & 0xf0) >> 4);
+ } else {
+ r = c / 8;
+ t_tmp1 = *(t_table + k);
+ t_tmp2 = *(t_table + j);
+ *(src + r + 2) = (t_tmp1 & 0xf0) >> 4;
+ *(src + r + 1) = ((t_tmp1 & 0x0f) << 4) | (t_tmp2 & 0x0f);
+ }
+ s += 12;
+ k++;
+ c += 12;
+ } while (k < t);
+ }
break;
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