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SCI/newmusic: now adding digital sample data as separate channel for sci0 games (not yet playing)

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svn-id: r46629
This commit is contained in:
Martin Kiewitz 2009-12-27 12:17:43 +00:00
parent 19cb4ad6e0
commit e6ad7523c8
3 changed files with 41 additions and 24 deletions
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41
engines/sci/resource.cpp
View file

@ -1816,8 +1816,9 @@ SoundResource::SoundResource(uint32 resNumber, ResourceManager *resMan, SciVersi
_innerResource = resource; _innerResource = resource;
byte *data = resource->data, *data2; byte *data, *data2;
Channel *channel; byte *dataEnd;
Channel *channel, *sampleChannel;
switch (_soundVersion) { switch (_soundVersion) {
case SCI_VERSION_0_EARLY: case SCI_VERSION_0_EARLY:
@ -1825,12 +1826,15 @@ SoundResource::SoundResource(uint32 resNumber, ResourceManager *resMan, SciVersi
// SCI0 only has a header of 0x11/0x21 byte length and the actual midi track follows afterwards // SCI0 only has a header of 0x11/0x21 byte length and the actual midi track follows afterwards
_trackCount = 1; _trackCount = 1;
_tracks = new Track[_trackCount]; _tracks = new Track[_trackCount];
_tracks->nDigital = 0xFF; _tracks->digitalChannelNr = -1;
_tracks->type = TRACKTYPE_NONE; _tracks->type = TRACKTYPE_NONE;
_tracks->channelCount = 1; _tracks->channelCount = 1;
// Digital sample data included? -> Add an additional channel
if (resource->data[0] == 2)
_tracks->channelCount++;
_tracks->channels = new Channel[_tracks->channelCount]; _tracks->channels = new Channel[_tracks->channelCount];
channel = _tracks->channels; memset(_tracks->channels, 0, sizeof(Channel) * _tracks->channelCount);
channel = &_tracks->channels[0];
if (_soundVersion == SCI_VERSION_0_EARLY) { if (_soundVersion == SCI_VERSION_0_EARLY) {
channel->data = resource->data + 0x11; channel->data = resource->data + 0x11;
channel->size = resource->size - 0x11; channel->size = resource->size - 0x11;
@ -1838,15 +1842,28 @@ SoundResource::SoundResource(uint32 resNumber, ResourceManager *resMan, SciVersi
channel->data = resource->data + 0x21; channel->data = resource->data + 0x21;
channel->size = resource->size - 0x21; channel->size = resource->size - 0x21;
} }
if (_tracks->channelCount == 2) {
channel->number = 0; // Digital sample data included
channel->poly = 0; _tracks->digitalChannelNr = 1;
channel->time = channel->prev = 0; sampleChannel = &_tracks->channels[1];
channel->unk = 0; // we need to find 0xFC (channel terminator) within the data
data = channel->data;
dataEnd = channel->data + channel->size;
while ((data < dataEnd) && (*data != 0xfc))
data++;
// Skip any following 0xFCs as well
while ((data < dataEnd) && (*data == 0xfc))
data++;
// Now adjust channels accordingly
sampleChannel->data = data;
sampleChannel->size = channel->size - (data - channel->data);
channel->size = data - channel->data;
}
break; break;
case SCI_VERSION_1_EARLY: case SCI_VERSION_1_EARLY:
case SCI_VERSION_1_LATE: case SCI_VERSION_1_LATE:
data = resource->data;
// Count # of tracks // Count # of tracks
_trackCount = 0; _trackCount = 0;
while ((*data++) != 0xFF) { while ((*data++) != 0xFF) {
@ -1873,7 +1890,7 @@ SoundResource::SoundResource(uint32 resNumber, ResourceManager *resMan, SciVersi
} }
_tracks[trackNr].channels = new Channel[_tracks[trackNr].channelCount]; _tracks[trackNr].channels = new Channel[_tracks[trackNr].channelCount];
if (_tracks[trackNr].type != 0xF0) { // Digital track marker - not supported currently if (_tracks[trackNr].type != 0xF0) { // Digital track marker - not supported currently
_tracks[trackNr].nDigital = 0xFF; // No digital channel associated _tracks[trackNr].digitalChannelNr = -1; // No digital sound associated
for (channelNr = 0; channelNr < _tracks[trackNr].channelCount; channelNr++) { for (channelNr = 0; channelNr < _tracks[trackNr].channelCount; channelNr++) {
channel = &_tracks[trackNr].channels[channelNr]; channel = &_tracks[trackNr].channels[channelNr];
channel->unk = READ_LE_UINT16(data); channel->unk = READ_LE_UINT16(data);
@ -1883,7 +1900,7 @@ SoundResource::SoundResource(uint32 resNumber, ResourceManager *resMan, SciVersi
channel->poly = *(channel->data - 1); channel->poly = *(channel->data - 1);
channel->time = channel->prev = 0; channel->time = channel->prev = 0;
if (channel->number == 0xFE) // Digital channel if (channel->number == 0xFE) // Digital channel
_tracks[trackNr].nDigital = channelNr; _tracks[trackNr].digitalChannelNr = channelNr;
data += 6; data += 6;
} }
} else { } else {

2
engines/sci/resource.h
View file

@ -450,7 +450,7 @@ public:
struct Track { struct Track {
TrackType type; TrackType type;
byte nDigital; int16 digitalChannelNr;
byte channelCount; byte channelCount;
Channel *channels; Channel *channels;
}; };

8
engines/sci/sfx/music.cpp
View file

@ -304,13 +304,13 @@ void SciMusic::soundInitSnd(MusicEntry *pSnd) {
if (track) { if (track) {
// if MIDI device is selected but there is no digital track in sound resource // if MIDI device is selected but there is no digital track in sound resource
// try to use adlib's digital sample if possible // try to use adlib's digital sample if possible
if (_midiType <= MD_MT32 && track->nDigital == 0xFF && _bMultiMidi) { if (_midiType <= MD_MT32 && track->digitalChannelNr == -1 && _bMultiMidi) {
if (pSnd->soundRes->getTrackByType(SoundResource::TRACKTYPE_ADLIB)->nDigital != 0xFF) if (pSnd->soundRes->getTrackByType(SoundResource::TRACKTYPE_ADLIB)->digitalChannelNr != -1)
track = pSnd->soundRes->getTrackByType(SoundResource::TRACKTYPE_ADLIB); track = pSnd->soundRes->getTrackByType(SoundResource::TRACKTYPE_ADLIB);
} }
// play digital sample // play digital sample
if (track->nDigital != 0xFF) { if (track->digitalChannelNr != -1) {
byte *channelData = track->channels[track->nDigital].data; byte *channelData = track->channels[track->digitalChannelNr].data;
int rate = READ_LE_UINT16(channelData); int rate = READ_LE_UINT16(channelData);
uint32 size = READ_LE_UINT16(channelData + 2); uint32 size = READ_LE_UINT16(channelData + 2);
assert(READ_LE_UINT16(channelData + 4) == 0); // Possibly a compression flag assert(READ_LE_UINT16(channelData + 4) == 0); // Possibly a compression flag