aboutsummaryrefslogtreecommitdiff
path: root/scumm
diff options
context:
space:
mode:
Diffstat (limited to 'scumm')
-rw-r--r--scumm/imuse_digi/dimuse.cpp24
1 files changed, 10 insertions, 14 deletions
diff --git a/scumm/imuse_digi/dimuse.cpp b/scumm/imuse_digi/dimuse.cpp
index f8dc46992d..80b02150a4 100644
--- a/scumm/imuse_digi/dimuse.cpp
+++ b/scumm/imuse_digi/dimuse.cpp
@@ -133,20 +133,16 @@ void IMuseDigital::callback() {
do {
if (_sound->getBits(_track[l].soundHandle) == 12) {
byte *ptr = NULL;
+
mixer_size += _track[l].mod;
- int length = (((mixer_size * 3) / 4) / 3) * 3; // == (mixer_size / 4) * 3 != (mixer_size / 3) * 4
- _track[l].mod = ((mixer_size * 3) / 4) - length;
- mixer_size = length;
+ int mixer_size_12 = (mixer_size * 3) / 4;
+ int length = (mixer_size_12 / 3) * 4;
+ _track[l].mod = mixer_size - length;
int32 offset = (_track[l].regionOffset * 3) / 4;
- result = _sound->getDataFromRegion(_track[l].soundHandle, _track[l].curRegion, &ptr, offset, mixer_size);
- int32 result2 = BundleCodecs::decode12BitsSample(ptr, &data, result);
- result = (result * 4) / 3;
- if (result != result2) {
- debug(5, "result: %d, result2: %d", result, result2);
- result &= ~1;
- }
- mixer_size = (mixer_size * 4) / 3;
+ int result2 = _sound->getDataFromRegion(_track[l].soundHandle, _track[l].curRegion, &ptr, offset, mixer_size_12);
+ result = BundleCodecs::decode12BitsSample(ptr, &data, result2);
+
free(ptr);
} else if (_sound->getBits(_track[l].soundHandle) == 16) {
result = _sound->getDataFromRegion(_track[l].soundHandle, _track[l].curRegion, &data, _track[l].regionOffset, mixer_size);
@@ -166,6 +162,9 @@ void IMuseDigital::callback() {
}
}
+ if (result > mixer_size)
+ result = mixer_size;
+
if (_scumm->_mixer->isReady()) {
_scumm->_mixer->setChannelVolume(_track[l].handle, _track[l].vol / 1000);
_scumm->_mixer->setChannelPan(_track[l].handle, pan);
@@ -181,9 +180,6 @@ void IMuseDigital::callback() {
break;
}
mixer_size -= result;
- if (mixer_size < 0)
- mixer_size = 0;
- assert(mixer_size >= 0);
} while (mixer_size != 0);
}
}