diff options
author | Walter van Niftrik | 2009-06-12 23:46:23 +0000 |
---|---|---|
committer | Walter van Niftrik | 2009-06-12 23:46:23 +0000 |
commit | 1fb78d577f5240db9fb0a5103bc9e7cb61dc39cd (patch) | |
tree | f4fa7ffeb9ea4fe48a13987023a9dc54c44a5319 /engines | |
parent | 019be026d948e91f0ac25921f7f2151ea967cc6c (diff) | |
download | scummvm-rg350-1fb78d577f5240db9fb0a5103bc9e7cb61dc39cd.tar.gz scummvm-rg350-1fb78d577f5240db9fb0a5103bc9e7cb61dc39cd.tar.bz2 scummvm-rg350-1fb78d577f5240db9fb0a5103bc9e7cb61dc39cd.zip |
SCI: Moved audio code from AudioResource to the sfx core.
svn-id: r41486
Diffstat (limited to 'engines')
-rw-r--r-- | engines/sci/engine/ksound.cpp | 94 | ||||
-rw-r--r-- | engines/sci/resource.cpp | 232 | ||||
-rw-r--r-- | engines/sci/resource.h | 44 | ||||
-rw-r--r-- | engines/sci/sfx/core.cpp | 203 | ||||
-rw-r--r-- | engines/sci/sfx/core.h | 20 |
5 files changed, 263 insertions, 330 deletions
diff --git a/engines/sci/engine/ksound.cpp b/engines/sci/engine/ksound.cpp index c912da020d..bb27589d84 100644 --- a/engines/sci/engine/ksound.cpp +++ b/engines/sci/engine/ksound.cpp @@ -975,49 +975,42 @@ reg_t kDoSound(EngineState *s, int funct_nr, int argc, reg_t *argv) { // Used for speech playback in CD games reg_t kDoAudio(EngineState *s, int funct_nr, int argc, reg_t *argv) { Audio::Mixer *mixer = g_system->getMixer(); - int sampleLen = 0; - - if (!s->_sound._audioResource) - s->_sound._audioResource = new AudioResource(s->resmgr, s->_version); switch (argv[0].toUint16()) { case kSciAudioWPlay: - case kSciAudioPlay: - s->_sound._audioResource->stop(); - - if (argc == 2) { // KQ5CD, KQ6 floppy - Audio::AudioStream *audioStream = s->_sound._audioResource->getAudioStream(argv[1].toUint16(), 65535, &sampleLen); - - if (audioStream) - mixer->playInputStream(Audio::Mixer::kSpeechSoundType, s->_sound._audioResource->getAudioHandle(), audioStream); - } else if (argc == 6) { // SQ4CD or newer - // Make a BE number - uint32 audioNumber = (((argv[2].toUint16() & 0xFF) << 24) & 0xFF000000) | - (((argv[3].toUint16() & 0xFF) << 16) & 0x00FF0000) | - (((argv[4].toUint16() & 0xFF) << 8) & 0x0000FF00) | - ( (argv[5].toUint16() & 0xFF) & 0x000000FF); - - Audio::AudioStream *audioStream = s->_sound._audioResource->getAudioStream(audioNumber, argv[1].toUint16(), &sampleLen); - - if (audioStream) - mixer->playInputStream(Audio::Mixer::kSpeechSoundType, s->_sound._audioResource->getAudioHandle(), audioStream); - } else { // Hopefully, this should never happen + case kSciAudioPlay: { + uint16 module; + uint32 number; + + s->_sound.stopAudio(); + + if (argc == 2) { + module = 65535; + number = argv[1].toUint16(); + } else if (argc == 6) { + module = argv[1].toUint16(); + number = ((argv[2].toUint16() & 0xff) << 24) | ((argv[3].toUint16() & 0xff) << 16) | + ((argv[4].toUint16() & 0xff) << 8) | (argv[5].toUint16() & 0xff); + } else { warning("kDoAudio: Play called with an unknown number of parameters (%d)", argc); + return NULL_REG; } - return make_reg(0, sampleLen); // return sample length in ticks + + return make_reg(0, s->_sound.startAudio(module, number)); // return sample length in ticks + } case kSciAudioStop: - s->_sound._audioResource->stop(); + s->_sound.stopAudio(); break; case kSciAudioPause: - s->_sound._audioResource->pause(); + s->_sound.pauseAudio(); break; case kSciAudioResume: - s->_sound._audioResource->resume(); + s->_sound.resumeAudio(); break; case kSciAudioPosition: - return make_reg(0, s->_sound._audioResource->getAudioPosition()); + return make_reg(0, s->_sound.getAudioPosition()); case kSciAudioRate: - s->_sound._audioResource->setAudioRate(argv[1].toUint16()); + s->_sound.setAudioRate(argv[1].toUint16()); break; case kSciAudioVolume: mixer->setVolumeForSoundType(Audio::Mixer::kSpeechSoundType, argv[1].toUint16()); @@ -1042,8 +1035,10 @@ reg_t kDoSync(EngineState *s, int funct_nr, int argc, reg_t *argv) { case kSciAudioSyncStart: { ResourceId id; - if (s->_sound._soundSync) - s->resmgr->unlockResource(s->_sound._soundSync); + if (s->_sound._syncResource) { + s->resmgr->unlockResource(s->_sound._syncResource); + s->_sound._syncResource = NULL; + } // Load sound sync resource and lock it if (argc == 3) { @@ -1056,10 +1051,11 @@ reg_t kDoSync(EngineState *s, int funct_nr, int argc, reg_t *argv) { return s->r_acc; } - s->_sound._soundSync = (ResourceSync *)s->resmgr->findResource(id, 1); + s->_sound._syncResource = s->resmgr->findResource(id, 1); - if (s->_sound._soundSync) { - s->_sound._soundSync->startSync(s, argv[1]); + if (s->_sound._syncResource) { + PUT_SEL32V(argv[1], syncCue, 0); + s->_sound._syncOffset = 0; } else { warning("DoSync: failed to find resource %s", id.toString().c_str()); // Notify the scripts to stop sound sync @@ -1067,20 +1063,32 @@ reg_t kDoSync(EngineState *s, int funct_nr, int argc, reg_t *argv) { } break; } - case kSciAudioSyncNext: - if (s->_sound._soundSync) { - s->_sound._soundSync->nextSync(s, argv[1]); + case kSciAudioSyncNext: { + Resource *res = s->_sound._syncResource; + if (res && (s->_sound._syncOffset < res->size - 1)) { + int16 syncCue = -1; + int16 syncTime = (int16)READ_LE_UINT16(res->data + s->_sound._syncOffset); + + s->_sound._syncOffset += 2; + + if ((syncTime != -1) && (s->_sound._syncOffset < res->size - 1)) { + syncCue = (int16)READ_LE_UINT16(res->data + s->_sound._syncOffset); + s->_sound._syncOffset += 2; + } + + PUT_SEL32V(argv[1], syncTime, syncTime); + PUT_SEL32V(argv[1], syncCue, syncCue); } break; + } case kSciAudioSyncStop: - if (s->_sound._soundSync) { - s->_sound._soundSync->stopSync(); - s->resmgr->unlockResource(s->_sound._soundSync); - s->_sound._soundSync = NULL; + if (s->_sound._syncResource) { + s->resmgr->unlockResource(s->_sound._syncResource); + s->_sound._syncResource = NULL; } break; default: - warning("kDoSync: Unhandled case %d", argv[0].toUint16()); + warning("DoSync: Unhandled subfunction %d", argv[0].toUint16()); } return s->r_acc; diff --git a/engines/sci/resource.cpp b/engines/sci/resource.cpp index ce08280812..3c377e8ef2 100644 --- a/engines/sci/resource.cpp +++ b/engines/sci/resource.cpp @@ -56,13 +56,6 @@ const char *sci_version_types[] = { const int sci_max_resource_nr[] = {65536, 1000, 2048, 2048, 2048, 65536, 65536, 65536}; -enum SolFlags { - kSolFlagCompressed = 1 << 0, - kSolFlagUnknown = 1 << 1, - kSolFlag16Bit = 1 << 2, - kSolFlagIsSigned = 1 << 3 -}; - static const char *sci_error_types[] = { "No error", "I/O error", @@ -888,15 +881,7 @@ void ResourceManager::processPatch(ResourceSource *source, ResourceType restype, } // Prepare destination, if neccessary if (_resMap.contains(resId) == false) { - // FIXME: code duplication - switch (restype) { - case kResourceTypeSync: - newrsc = new ResourceSync; - break; - default: - newrsc = new Resource; - break; - } + newrsc = new Resource; _resMap.setVal(resId, newrsc); } else newrsc = _resMap.getVal(resId); @@ -1059,15 +1044,7 @@ int ResourceManager::readResourceMapSCI1(ResourceSource *map) { resId = ResourceId((ResourceType)type, number); // adding new resource only if it does not exist if (_resMap.contains(resId) == false) { - switch (type) { - case kResourceTypeSync: - res = new ResourceSync; - break; - default: - res = new Resource; - break; - } - + res = new Resource; _resMap.setVal(resId, res); res->id = resId; res->source = getVolume(map, volume_nr); @@ -1081,11 +1058,7 @@ int ResourceManager::readResourceMapSCI1(ResourceSource *map) { void ResourceManager::addResource(ResourceId resId, ResourceSource *src, uint32 offset, uint32 size) { // Adding new resource only if it does not exist if (_resMap.contains(resId) == false) { - Resource *res; - if ((resId.type == kResourceTypeSync) || (resId.type == kResourceTypeSync36)) - res = new ResourceSync; - else - res = new Resource; + Resource *res = new Resource; _resMap.setVal(resId, res); res->id = resId; res->source = src; @@ -1458,203 +1431,4 @@ int ResourceManager::decompress(Resource *res, Common::File *file) { return error; } -void ResourceSync::startSync(EngineState *s, reg_t obj) { - _syncTime = _syncCue = -1; - PUT_SEL32V(obj, syncCue, 0); - _ptr = (uint16 *)data; - //syncStarted = true; // not used -} - -void ResourceSync::nextSync(EngineState *s, reg_t obj) { - if (_ptr) { - _syncTime = (int16)READ_LE_UINT16(_ptr); - if (_syncTime == -1) { - stopSync(); - } else { - _syncCue = (int16)READ_LE_UINT16(_ptr + 1); - _ptr += 2; - } - PUT_SEL32V(obj, syncTime, _syncTime); - PUT_SEL32V(obj, syncCue, _syncCue); - } -} -//-------------------------------- -void ResourceSync::stopSync() { - _ptr = 0; - _syncCue = -1; - //syncStarted = false; // not used -} - - -AudioResource::AudioResource(ResourceManager *resMgr, int sciVersion) { - _resMgr = resMgr; - _sciVersion = sciVersion; - _audioRate = 11025; -} - -int AudioResource::getAudioPosition() { - if (g_system->getMixer()->isSoundHandleActive(_audioHandle)) { - return g_system->getMixer()->getSoundElapsedTime(_audioHandle) * 6 / 100; // return elapsed time in ticks - } else { - return -1; // Sound finished - } -} - -// FIXME: Move this to sound/adpcm.cpp? -// Note that the 16-bit version is also used in coktelvideo.cpp -static const uint16 tableDPCM16[128] = { - 0x0000, 0x0008, 0x0010, 0x0020, 0x0030, 0x0040, 0x0050, 0x0060, 0x0070, 0x0080, - 0x0090, 0x00A0, 0x00B0, 0x00C0, 0x00D0, 0x00E0, 0x00F0, 0x0100, 0x0110, 0x0120, - 0x0130, 0x0140, 0x0150, 0x0160, 0x0170, 0x0180, 0x0190, 0x01A0, 0x01B0, 0x01C0, - 0x01D0, 0x01E0, 0x01F0, 0x0200, 0x0208, 0x0210, 0x0218, 0x0220, 0x0228, 0x0230, - 0x0238, 0x0240, 0x0248, 0x0250, 0x0258, 0x0260, 0x0268, 0x0270, 0x0278, 0x0280, - 0x0288, 0x0290, 0x0298, 0x02A0, 0x02A8, 0x02B0, 0x02B8, 0x02C0, 0x02C8, 0x02D0, - 0x02D8, 0x02E0, 0x02E8, 0x02F0, 0x02F8, 0x0300, 0x0308, 0x0310, 0x0318, 0x0320, - 0x0328, 0x0330, 0x0338, 0x0340, 0x0348, 0x0350, 0x0358, 0x0360, 0x0368, 0x0370, - 0x0378, 0x0380, 0x0388, 0x0390, 0x0398, 0x03A0, 0x03A8, 0x03B0, 0x03B8, 0x03C0, - 0x03C8, 0x03D0, 0x03D8, 0x03E0, 0x03E8, 0x03F0, 0x03F8, 0x0400, 0x0440, 0x0480, - 0x04C0, 0x0500, 0x0540, 0x0580, 0x05C0, 0x0600, 0x0640, 0x0680, 0x06C0, 0x0700, - 0x0740, 0x0780, 0x07C0, 0x0800, 0x0900, 0x0A00, 0x0B00, 0x0C00, 0x0D00, 0x0E00, - 0x0F00, 0x1000, 0x1400, 0x1800, 0x1C00, 0x2000, 0x3000, 0x4000 -}; - -static const byte tableDPCM8[8] = {0, 1, 2, 3, 6, 10, 15, 21}; - -static void deDPCM16(byte *soundBuf, Common::SeekableReadStream &audioStream, uint32 n) { - int16 *out = (int16 *) soundBuf; - - int32 s = 0; - for (uint32 i = 0; i < n; i++) { - byte b = audioStream.readByte(); - if (b & 0x80) - s -= tableDPCM16[b & 0x7f]; - else - s += tableDPCM16[b]; - - s = CLIP<int32>(s, -32768, 32767); - *out++ = TO_BE_16(s); - } -} - -static void deDPCM8Nibble(byte *soundBuf, int32 &s, byte b) { - if (b & 8) - s -= tableDPCM8[7 - (b & 7)]; - else - s += tableDPCM8[b & 7]; - s = CLIP<int32>(s, 0, 255); - *soundBuf = s; -} - -static void deDPCM8(byte *soundBuf, Common::SeekableReadStream &audioStream, uint32 n) { - int32 s = 0x80; - - for (uint i = 0; i < n; i++) { - byte b = audioStream.readByte(); - - deDPCM8Nibble(soundBuf++, s, b >> 4); - deDPCM8Nibble(soundBuf++, s, b & 0xf); - } -} - -// Sierra SOL audio file reader -// Check here for more info: http://wiki.multimedia.cx/index.php?title=Sierra_Audio -static bool readSOLHeader(Common::SeekableReadStream *audioStream, int headerSize, uint32 &size, uint16 &audioRate, byte &audioFlags) { - if (headerSize != 11 && headerSize != 12) { - warning("SOL audio header of size %i not supported", headerSize); - return false; - } - - audioStream->readUint32LE(); // skip "SOL" + 0 (4 bytes) - audioRate = audioStream->readUint16LE(); - audioFlags = audioStream->readByte(); - - size = audioStream->readUint32LE(); - return true; -} - -static byte* readSOLAudio(Common::SeekableReadStream *audioStream, uint32 &size, byte audioFlags, byte &flags) { - byte *buffer; - - // Convert the SOL stream flags to our own format - flags = 0; - if (audioFlags & kSolFlag16Bit) - flags |= Audio::Mixer::FLAG_16BITS; - if (!(audioFlags & kSolFlagIsSigned)) - flags |= Audio::Mixer::FLAG_UNSIGNED; - - if (audioFlags & kSolFlagCompressed) { - buffer = (byte *)malloc(size * 2); - - if (audioFlags & kSolFlag16Bit) - deDPCM16(buffer, *audioStream, size); - else - deDPCM8(buffer, *audioStream, size); - - size *= 2; - } else { - // We assume that the sound data is raw PCM - buffer = (byte *)malloc(size); - audioStream->read(buffer, size); - } - - return buffer; -} - -Audio::AudioStream* AudioResource::getAudioStream(uint32 audioNumber, uint32 volume, int *sampleLen) { - Audio::AudioStream *audioStream = 0; - uint32 size; - byte *data = 0; - byte flags = 0; - Sci::Resource* audioRes; - - if (volume == 65535) { - audioRes = _resMgr->findResource(ResourceId(kResourceTypeAudio, audioNumber), false); - if (!audioRes) { - warning("Failed to find audio entry %i", audioNumber); - return NULL; - } - } else { - audioRes = _resMgr->findResource(ResourceId(kResourceTypeAudio36, volume, audioNumber), false); - if (!audioRes) { - warning("Failed to find audio entry (%i, %i, %i, %i, %i)", volume, (audioNumber >> 24) & 0xff, - (audioNumber >> 16) & 0xff, (audioNumber >> 8) & 0xff, audioNumber & 0xff); - return NULL; - } - } - - byte audioFlags; - - if (audioRes->headerSize > 0) { - // SCI1.1 - Common::MemoryReadStream *headerStream = - new Common::MemoryReadStream(audioRes->header, audioRes->headerSize, false); - - if (readSOLHeader(headerStream, audioRes->headerSize, size, _audioRate, audioFlags)) { - Common::MemoryReadStream *dataStream = - new Common::MemoryReadStream(audioRes->data, audioRes->size, false); - data = readSOLAudio(dataStream, size, audioFlags, flags); - delete dataStream; - } - delete headerStream; - } else { - // SCI1 - size = audioRes->size; - data = (byte *)malloc(size); - assert(data); - memcpy(data, audioRes->data, size); - flags = Audio::Mixer::FLAG_UNSIGNED; - } - - if (data) { - audioStream = Audio::makeLinearInputStream(data, size, _audioRate, - flags | Audio::Mixer::FLAG_AUTOFREE, 0, 0); - if (audioStream) { - *sampleLen = (flags & Audio::Mixer::FLAG_16BITS ? size >> 1 : size) * 60 / _audioRate; - return audioStream; - } - } - - return NULL; -} - } // End of namespace Sci diff --git a/engines/sci/resource.h b/engines/sci/resource.h index e1a7dda921..77c92840ee 100644 --- a/engines/sci/resource.h +++ b/engines/sci/resource.h @@ -378,50 +378,6 @@ protected: int guessSciVersion(); }; -/** - * Used for lip and animation syncing in CD talkie games - */ -class ResourceSync : public Resource { -public: - ResourceSync() {} - ~ResourceSync() {} - - void startSync(EngineState *s, reg_t obj); - void nextSync(EngineState *s, reg_t obj); - void stopSync(); - -protected: - uint16 *_ptr; - int16 _syncTime, _syncCue; - //bool _syncStarted; // not used -}; - -/** - * Used for speech playback and digital music playback - * in CD talkie games - */ -class AudioResource { -public: - AudioResource(ResourceManager *resMgr, int sciVersion); - - void setAudioRate(uint16 audioRate) { _audioRate = audioRate; } - - Audio::SoundHandle* getAudioHandle() { return &_audioHandle; } - int getAudioPosition(); - - Audio::AudioStream* getAudioStream(uint32 audioNumber, uint32 volume, int *sampleLen); - - void stop() { g_system->getMixer()->stopHandle(_audioHandle); } - void pause() { g_system->getMixer()->pauseHandle(_audioHandle, true); } - void resume() { g_system->getMixer()->pauseHandle(_audioHandle, false); } - -private: - Audio::SoundHandle _audioHandle; - uint16 _audioRate; - ResourceManager *_resMgr; - int _sciVersion; -}; - } // End of namespace Sci #endif // SCI_SCICORE_RESOURCE_H diff --git a/engines/sci/sfx/core.cpp b/engines/sci/sfx/core.cpp index e37007bf8e..9bf7730fc9 100644 --- a/engines/sci/sfx/core.cpp +++ b/engines/sci/sfx/core.cpp @@ -348,11 +348,13 @@ SfxState::SfxState() { _flags = 0; _song = NULL; _suspended = 0; - _soundSync = 0; - _audioResource = 0; + _syncResource = NULL; + _audioRate = 11025; } SfxState::~SfxState() { + if (_syncResource) + _resMgr->unlockResource(_syncResource); } @@ -526,7 +528,7 @@ void SfxState::updateSingleSong() { debugMessage += " none\n"; } - debugC(2, kDebugLevelSound, debugMessage.c_str()); + debugC(2, kDebugLevelSound, "%s", debugMessage.c_str()); _song = newsong; thawTime(); /* Recover song delay time */ @@ -641,8 +643,8 @@ void SfxState::sfx_init(ResourceManager *resmgr, int flags) { _songlib._lib = 0; _song = NULL; _flags = flags; - _soundSync = NULL; - _audioResource = NULL; + _syncResource = NULL; + _syncOffset = 0; player = NULL; @@ -676,6 +678,8 @@ void SfxState::sfx_init(ResourceManager *resmgr, int flags) { delete player; player = NULL; } + + _resMgr = resmgr; } void SfxState::sfx_exit() { @@ -689,12 +693,6 @@ void SfxState::sfx_exit() { g_system->getMixer()->stopAll(); _songlib.freeSounds(); - - // Delete audio resources for CD talkie games - if (_audioResource) { - delete _audioResource; - _audioResource = 0; - } } void SfxState::sfx_suspend(bool suspend) { @@ -1004,4 +1002,187 @@ void SfxState::sfx_all_stop() { update(); } +int SfxState::startAudio(uint16 module, uint32 number) { + int sampleLen; + Audio::AudioStream *audioStream = getAudioStream(number, module, &sampleLen); + + if (audioStream) { + g_system->getMixer()->playInputStream(Audio::Mixer::kSpeechSoundType, &_audioHandle, audioStream); + return sampleLen; + } + + return 0; +} + +int SfxState::getAudioPosition() { + if (g_system->getMixer()->isSoundHandleActive(_audioHandle)) + return g_system->getMixer()->getSoundElapsedTime(_audioHandle) * 6 / 100; // return elapsed time in ticks + else + return -1; // Sound finished +} + +enum SolFlags { + kSolFlagCompressed = 1 << 0, + kSolFlagUnknown = 1 << 1, + kSolFlag16Bit = 1 << 2, + kSolFlagIsSigned = 1 << 3 +}; + +// FIXME: Move this to sound/adpcm.cpp? +// Note that the 16-bit version is also used in coktelvideo.cpp +static const uint16 tableDPCM16[128] = { + 0x0000, 0x0008, 0x0010, 0x0020, 0x0030, 0x0040, 0x0050, 0x0060, 0x0070, 0x0080, + 0x0090, 0x00A0, 0x00B0, 0x00C0, 0x00D0, 0x00E0, 0x00F0, 0x0100, 0x0110, 0x0120, + 0x0130, 0x0140, 0x0150, 0x0160, 0x0170, 0x0180, 0x0190, 0x01A0, 0x01B0, 0x01C0, + 0x01D0, 0x01E0, 0x01F0, 0x0200, 0x0208, 0x0210, 0x0218, 0x0220, 0x0228, 0x0230, + 0x0238, 0x0240, 0x0248, 0x0250, 0x0258, 0x0260, 0x0268, 0x0270, 0x0278, 0x0280, + 0x0288, 0x0290, 0x0298, 0x02A0, 0x02A8, 0x02B0, 0x02B8, 0x02C0, 0x02C8, 0x02D0, + 0x02D8, 0x02E0, 0x02E8, 0x02F0, 0x02F8, 0x0300, 0x0308, 0x0310, 0x0318, 0x0320, + 0x0328, 0x0330, 0x0338, 0x0340, 0x0348, 0x0350, 0x0358, 0x0360, 0x0368, 0x0370, + 0x0378, 0x0380, 0x0388, 0x0390, 0x0398, 0x03A0, 0x03A8, 0x03B0, 0x03B8, 0x03C0, + 0x03C8, 0x03D0, 0x03D8, 0x03E0, 0x03E8, 0x03F0, 0x03F8, 0x0400, 0x0440, 0x0480, + 0x04C0, 0x0500, 0x0540, 0x0580, 0x05C0, 0x0600, 0x0640, 0x0680, 0x06C0, 0x0700, + 0x0740, 0x0780, 0x07C0, 0x0800, 0x0900, 0x0A00, 0x0B00, 0x0C00, 0x0D00, 0x0E00, + 0x0F00, 0x1000, 0x1400, 0x1800, 0x1C00, 0x2000, 0x3000, 0x4000 +}; + +static const byte tableDPCM8[8] = {0, 1, 2, 3, 6, 10, 15, 21}; + +static void deDPCM16(byte *soundBuf, Common::SeekableReadStream &audioStream, uint32 n) { + int16 *out = (int16 *) soundBuf; + + int32 s = 0; + for (uint32 i = 0; i < n; i++) { + byte b = audioStream.readByte(); + if (b & 0x80) + s -= tableDPCM16[b & 0x7f]; + else + s += tableDPCM16[b]; + + s = CLIP<int32>(s, -32768, 32767); + *out++ = TO_BE_16(s); + } +} + +static void deDPCM8Nibble(byte *soundBuf, int32 &s, byte b) { + if (b & 8) + s -= tableDPCM8[7 - (b & 7)]; + else + s += tableDPCM8[b & 7]; + s = CLIP<int32>(s, 0, 255); + *soundBuf = s; +} + +static void deDPCM8(byte *soundBuf, Common::SeekableReadStream &audioStream, uint32 n) { + int32 s = 0x80; + + for (uint i = 0; i < n; i++) { + byte b = audioStream.readByte(); + + deDPCM8Nibble(soundBuf++, s, b >> 4); + deDPCM8Nibble(soundBuf++, s, b & 0xf); + } +} + +// Sierra SOL audio file reader +// Check here for more info: http://wiki.multimedia.cx/index.php?title=Sierra_Audio +static bool readSOLHeader(Common::SeekableReadStream *audioStream, int headerSize, uint32 &size, uint16 &audioRate, byte &audioFlags) { + if (headerSize != 11 && headerSize != 12) { + warning("SOL audio header of size %i not supported", headerSize); + return false; + } + + audioStream->readUint32LE(); // skip "SOL" + 0 (4 bytes) + audioRate = audioStream->readUint16LE(); + audioFlags = audioStream->readByte(); + + size = audioStream->readUint32LE(); + return true; +} + +static byte* readSOLAudio(Common::SeekableReadStream *audioStream, uint32 &size, byte audioFlags, byte &flags) { + byte *buffer; + + // Convert the SOL stream flags to our own format + flags = 0; + if (audioFlags & kSolFlag16Bit) + flags |= Audio::Mixer::FLAG_16BITS; + if (!(audioFlags & kSolFlagIsSigned)) + flags |= Audio::Mixer::FLAG_UNSIGNED; + + if (audioFlags & kSolFlagCompressed) { + buffer = (byte *)malloc(size * 2); + + if (audioFlags & kSolFlag16Bit) + deDPCM16(buffer, *audioStream, size); + else + deDPCM8(buffer, *audioStream, size); + + size *= 2; + } else { + // We assume that the sound data is raw PCM + buffer = (byte *)malloc(size); + audioStream->read(buffer, size); + } + + return buffer; +} + +Audio::AudioStream* SfxState::getAudioStream(uint32 number, uint32 volume, int *sampleLen) { + Audio::AudioStream *audioStream = 0; + uint32 size; + byte *data = 0; + byte flags = 0; + Sci::Resource* audioRes; + + if (volume == 65535) { + audioRes = _resMgr->findResource(ResourceId(kResourceTypeAudio, number), false); + if (!audioRes) { + warning("Failed to find audio entry %i", number); + return NULL; + } + } else { + audioRes = _resMgr->findResource(ResourceId(kResourceTypeAudio36, volume, number), false); + if (!audioRes) { + warning("Failed to find audio entry (%i, %i, %i, %i, %i)", volume, (number >> 24) & 0xff, + (number >> 16) & 0xff, (number >> 8) & 0xff, number & 0xff); + return NULL; + } + } + + byte audioFlags; + + if (audioRes->headerSize > 0) { + // SCI1.1 + Common::MemoryReadStream *headerStream = + new Common::MemoryReadStream(audioRes->header, audioRes->headerSize, false); + + if (readSOLHeader(headerStream, audioRes->headerSize, size, _audioRate, audioFlags)) { + Common::MemoryReadStream *dataStream = + new Common::MemoryReadStream(audioRes->data, audioRes->size, false); + data = readSOLAudio(dataStream, size, audioFlags, flags); + delete dataStream; + } + delete headerStream; + } else { + // SCI1 + size = audioRes->size; + data = (byte *)malloc(size); + assert(data); + memcpy(data, audioRes->data, size); + flags = Audio::Mixer::FLAG_UNSIGNED; + } + + if (data) { + audioStream = Audio::makeLinearInputStream(data, size, _audioRate, + flags | Audio::Mixer::FLAG_AUTOFREE, 0, 0); + if (audioStream) { + *sampleLen = (flags & Audio::Mixer::FLAG_16BITS ? size >> 1 : size) * 60 / _audioRate; + return audioStream; + } + } + + return NULL; +} + } // End of namespace Sci diff --git a/engines/sci/sfx/core.h b/engines/sci/sfx/core.h index 5db56bd864..e7eba85c99 100644 --- a/engines/sci/sfx/core.h +++ b/engines/sci/sfx/core.h @@ -50,8 +50,9 @@ public: // FIXME, make private SongLibrary _songlib; /**< Song library */ Song *_song; /**< Active song, or start of active song chain */ bool _suspended; /**< Whether we are suspended */ - ResourceSync *_soundSync; /**< Used by kDoSync for speech syncing in CD talkie games */ - AudioResource *_audioResource; /**< Used for audio resources in CD talkie games */ + Resource *_syncResource; /**< Used by kDoSync for speech syncing in CD talkie games */ + uint _syncOffset; + ResourceManager *_resMgr; public: SfxState(); @@ -164,6 +165,15 @@ public: Common::Error sfx_send_midi(SongHandle handle, int channel, int command, int arg1, int arg2); + // Functions for digital sound + void setAudioRate(uint16 rate) { _audioRate = rate; } + Audio::SoundHandle* getAudioHandle() { return &_audioHandle; } + int getAudioPosition(); + int startAudio(uint16 module, uint32 tuple); + void stopAudio() { g_system->getMixer()->stopHandle(_audioHandle); } + void pauseAudio() { g_system->getMixer()->pauseHandle(_audioHandle, true); } + void resumeAudio() { g_system->getMixer()->pauseHandle(_audioHandle, false); } + protected: void freezeTime(); void thawTime(); @@ -173,8 +183,12 @@ protected: void updateSingleSong(); void updateMultiSong(); void update(); -}; +private: + uint16 _audioRate; + Audio::SoundHandle _audioHandle; + Audio::AudioStream* getAudioStream(uint32 number, uint32 volume, int *sampleLen); +}; } // End of namespace Sci |