[Scummvm-cvs-logs] CVS: scummvm/scumm/smush imuse_channel.cpp,1.18,1.19

[Max Horn]

Update of /cvsroot/scummvm/scummvm/scumm/smush
In directory sc8-pr-cvs1:/tmp/cvs-serv23106/smush

Modified Files:
	imuse_channel.cpp 
Log Message:
TODO: improved smush sound quality whenever 11khz sound is used

Index: imuse_channel.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/scumm/smush/imuse_channel.cpp,v
retrieving revision 1.18
retrieving revision 1.19
diff -u -d -r1.18 -r1.19
--- imuse_channel.cpp	14 Jun 2003 18:52:29 -0000	1.18
+++ imuse_channel.cpp	21 Jun 2003 19:57:56 -0000	1.19
@@ -323,6 +323,9 @@
 	if (_channels == 2) size *= 2;
 	byte * buf = (byte*)snd;
 	if (_rate == 11025) {
+		// TODO / FIXME: Instead of upsampling here in the worst possible way
+		// (by repeating samples), we should pass the 11khz data to the mixer,
+		// and leave the upsampling to the mixer.
 		for (int32 i = 0; i < size; i++) {
 			byte sample1 = *(_sbuffer + i * 2);
 			byte sample2 = *(_sbuffer + i * 2 + 1);
@@ -352,6 +355,9 @@
 	if (_dataSize <= 0 || _bitsize > 8) error("invalid call to imuse_channel::read_sound_data()");
 	if (_channels == 2) size *= 2;
 	if (_rate == 11025) {
+		// TODO / FIXME: Instead of upsampling here in the worst possible way
+		// (by repeating samples), we should pass the 11khz data to the mixer,
+		// and leave the upsampling to the mixer.
 		for (int32 i = 0; i < size; i++) {
 			snd[i * 2] = (int8)(((int8)(_sbuffer[i] ^ 0x80) * _volume) >> 8) ^ 0x80;
 			snd[i * 2 + 1] = snd[i * 2];