[Scummvm-cvs-logs] SF.net SVN: scummvm:[35353] scummvm/trunk/engines/gob
drmccoy at users.sourceforge.net
drmccoy at users.sourceforge.net
Sun Dec 14 05:13:48 CET 2008
Revision: 35353
http://scummvm.svn.sourceforge.net/scummvm/?rev=35353&view=rev
Author: drmccoy
Date: 2008-12-14 04:13:48 +0000 (Sun, 14 Dec 2008)
Log Message:
-----------
16bit background "music" for Urban Runner
Modified Paths:
--------------
scummvm/trunk/engines/gob/inter.h
scummvm/trunk/engines/gob/inter_v6.cpp
scummvm/trunk/engines/gob/sound/sounddesc.cpp
scummvm/trunk/engines/gob/sound/sounddesc.h
scummvm/trunk/engines/gob/sound/soundmixer.cpp
scummvm/trunk/engines/gob/sound/soundmixer.h
Modified: scummvm/trunk/engines/gob/inter.h
===================================================================
--- scummvm/trunk/engines/gob/inter.h 2008-12-14 03:44:39 UTC (rev 35352)
+++ scummvm/trunk/engines/gob/inter.h 2008-12-14 04:13:48 UTC (rev 35353)
@@ -630,6 +630,8 @@
bool o6_evaluateStore(OpFuncParams ¶ms);
bool o6_palLoad(OpFuncParams ¶ms);
bool o6_freeCollision(OpFuncParams ¶ms);
+
+ void probe16bitMusic(char *fileName);
};
} // End of namespace Gob
Modified: scummvm/trunk/engines/gob/inter_v6.cpp
===================================================================
--- scummvm/trunk/engines/gob/inter_v6.cpp 2008-12-14 03:44:39 UTC (rev 35352)
+++ scummvm/trunk/engines/gob/inter_v6.cpp 2008-12-14 04:13:48 UTC (rev 35353)
@@ -689,6 +689,10 @@
_vm->_sound->bgStop();
return;
} else if (lastFrame == -9) {
+ probe16bitMusic(fileName);
+
+ warning("==> %s", fileName);
+
_vm->_sound->bgStop();
_vm->_sound->bgPlay(fileName, SOUND_WAV);
return;
@@ -902,4 +906,24 @@
return false;
}
+void Inter_v6::probe16bitMusic(char *fileName) {
+ int len = strlen(fileName);
+
+ if (len < 4)
+ return;
+
+ if (scumm_stricmp(fileName + len - 4, ".WA8"))
+ return;
+
+ fileName[len - 1] = 'V';
+
+ int16 handle;
+ if ((handle = _vm->_dataIO->openData(fileName)) >= 0) {
+ _vm->_dataIO->closeData(handle);
+ return;
+ }
+
+ fileName[len - 1] = '8';
+}
+
} // End of namespace Gob
Modified: scummvm/trunk/engines/gob/sound/sounddesc.cpp
===================================================================
--- scummvm/trunk/engines/gob/sound/sounddesc.cpp 2008-12-14 03:44:39 UTC (rev 35352)
+++ scummvm/trunk/engines/gob/sound/sounddesc.cpp 2008-12-14 04:13:48 UTC (rev 35353)
@@ -43,6 +43,7 @@
_frequency = 0;
_flag = 0;
_id = 0;
+ _mixerFlags = 0;
}
SoundDesc::~SoundDesc() {
@@ -86,9 +87,19 @@
}
void SoundDesc::convToSigned() {
- if (((_type == SOUND_SND) || (_type == SOUND_WAV)) && _data && _dataPtr)
+ if ((_type != SOUND_SND) && (_type != SOUND_WAV))
+ return;
+ if (!_data || !_dataPtr)
+ return;
+
+ if (_mixerFlags & Audio::Mixer::FLAG_16BITS) {
+ uint16 *data = (uint16 *) _dataPtr;
for (uint32 i = 0; i < _size; i++)
+ data[i] ^= 0x8000;
+ } else
+ for (uint32 i = 0; i < _size; i++)
_dataPtr[i] ^= 0x80;
+
}
int16 SoundDesc::calcFadeOutLength(int16 frequency) {
@@ -125,8 +136,8 @@
return false;
if (wavFlags & Audio::Mixer::FLAG_16BITS) {
- warning("TODO: SoundDesc::loadWAV() - 16bit");
- return false;
+ _mixerFlags |= Audio::Mixer::FLAG_16BITS;
+ wavSize >>= 1;
}
if (wavFlags & Audio::Mixer::FLAG_STEREO) {
Modified: scummvm/trunk/engines/gob/sound/sounddesc.h
===================================================================
--- scummvm/trunk/engines/gob/sound/sounddesc.h 2008-12-14 03:44:39 UTC (rev 35352)
+++ scummvm/trunk/engines/gob/sound/sounddesc.h 2008-12-14 04:13:48 UTC (rev 35353)
@@ -48,6 +48,7 @@
int16 _frequency;
int16 _flag;
int16 _id;
+ byte _mixerFlags;
byte *getData() { return _dataPtr; }
Modified: scummvm/trunk/engines/gob/sound/soundmixer.cpp
===================================================================
--- scummvm/trunk/engines/gob/sound/soundmixer.cpp 2008-12-14 03:44:39 UTC (rev 35352)
+++ scummvm/trunk/engines/gob/sound/soundmixer.cpp 2008-12-14 04:13:48 UTC (rev 35353)
@@ -32,7 +32,8 @@
_rate = _mixer->getOutputRate();
_end = true;
- _data = 0;
+ _data8 = 0;
+ _data16 = 0;
_length = 0;
_freq = 0;
_repCount = 0;
@@ -57,6 +58,13 @@
_mixer->stopHandle(_handle);
}
+inline int16 SoundMixer::getData(int offset) {
+ if (!_16bit)
+ return (int16) _data8[offset];
+ else
+ return (int16) _data16[offset];
+}
+
bool SoundMixer::isPlaying() const {
return !_end;
}
@@ -69,7 +77,8 @@
Common::StackLock slock(_mutex);
if (fadeLength <= 0) {
- _data = 0;
+ _data8 = 0;
+ _data16 = 0;
_end = true;
_playingSound = 0;
return;
@@ -97,7 +106,16 @@
sndDesc._repCount = repCount - 1;
sndDesc._frequency = frequency;
- _data = (int8 *) sndDesc.getData();
+ _16bit = (sndDesc._mixerFlags & Audio::Mixer::FLAG_16BITS) != 0;
+
+ if (_16bit) {
+ _data16 = (int16 *) sndDesc.getData();
+ _shift = 0;
+ } else {
+ _data8 = (int8 *) sndDesc.getData();
+ _shift = 8;
+ }
+
_length = sndDesc.size();
_freq = frequency;
@@ -110,7 +128,7 @@
_offsetInc = (_freq << FRAC_BITS) / _rate;
_last = _cur;
- _cur = _data[0];
+ _cur = getData(0);
_curFadeSamples = 0;
if (fadeLength == 0) {
@@ -152,7 +170,7 @@
Common::StackLock slock(_mutex);
for (int i = 0; i < numSamples; i++) {
- if (!_data)
+ if (!_data8 && !_data16)
return i;
if (_end || (_offset >= _length))
checkEndSample();
@@ -162,7 +180,7 @@
// Linear interpolation. See sound/rate.cpp
int16 val = (_last + (((_cur - _last) * _offsetFrac +
- FRAC_HALF) >> FRAC_BITS)) << 8;
+ FRAC_HALF) >> FRAC_BITS)) << _shift;
*buffer++ = (val * _fadeVol) >> 16;
_offsetFrac += _offsetInc;
@@ -170,7 +188,7 @@
// Was there an integral change?
if (fracToInt(_offsetFrac) > 0) {
_last = _cur;
- _cur = _data[_offset];
+ _cur = getData(_offset);
_offset += fracToInt(_offsetFrac);
_offsetFrac &= FRAC_LO_MASK;
}
@@ -192,7 +210,8 @@
void SoundMixer::endFade() {
if (_fadeVolStep > 0) {
- _data = 0;
+ _data8 = 0;
+ _data16 = 0;
_end = true;
_playingSound = 0;
} else {
Modified: scummvm/trunk/engines/gob/sound/soundmixer.h
===================================================================
--- scummvm/trunk/engines/gob/sound/soundmixer.h 2008-12-14 03:44:39 UTC (rev 35352)
+++ scummvm/trunk/engines/gob/sound/soundmixer.h 2008-12-14 04:13:48 UTC (rev 35353)
@@ -61,8 +61,12 @@
Audio::SoundHandle _handle;
Common::Mutex _mutex;
+ bool _16bit;
+ int _shift;
+
bool _end;
- int8 *_data;
+ int8 *_data8;
+ int16 *_data16;
uint32 _length;
uint32 _rate;
int32 _freq;
@@ -88,6 +92,9 @@
int16 frequency, int16 fadeLength);
virtual void checkEndSample();
virtual void endFade();
+
+private:
+ inline int16 getData(int offset);
};
} // End of namespace Gob
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