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-rw-r--r--sound/mixer.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/mixer.cpp b/sound/mixer.cpp
index 21120dc47e..0fbaf627e6 100644
--- a/sound/mixer.cpp
+++ b/sound/mixer.cpp
@@ -335,6 +335,7 @@ static int16 *(*mixer_helper_table[16])(int16 *data, uint *len_ptr, byte **s_ptr
void SoundMixer::Channel_RAW::mix(int16 *data, uint len) {
byte *s, *s_org = NULL;
uint32 fp_pos;
+ byte *end;
if (_to_be_destroyed) {
real_destroy();
@@ -362,15 +363,17 @@ void SoundMixer::Channel_RAW::mix(int16 *data, uint len) {
s = s_org;
fp_pos = 0;
+ end = s_org + num;
} else {
s = (byte*)_ptr + _pos;
fp_pos = _fp_pos;
+ end = (byte *) _ptr + _realsize;
}
const uint32 fp_speed = _fp_speed;
const int16 *vol_tab = _mixer->_volume_table;
- mixer_helper_table[_flags & 0x07](data, &len, &s, &fp_pos, fp_speed, vol_tab, (byte *) _ptr + _realsize);
+ mixer_helper_table[_flags & 0x07](data, &len, &s, &fp_pos, fp_speed, vol_tab, end);
_pos = s - (byte*) _ptr;
_fp_pos = fp_pos;