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author | Max Horn | 2011-02-09 01:09:01 +0000 |
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committer | Max Horn | 2011-02-09 01:09:01 +0000 |
commit | 42ab839dd6c8a1570b232101eb97f4e54de57935 (patch) | |
tree | 3b763d8913a87482b793e0348c88b9a5f40eecc9 /sound/softsynth/mt32/partialManager.cpp | |
parent | 386203a3d6ce1abf457c9110d695408ec5f01b85 (diff) | |
download | scummvm-rg350-42ab839dd6c8a1570b232101eb97f4e54de57935.tar.gz scummvm-rg350-42ab839dd6c8a1570b232101eb97f4e54de57935.tar.bz2 scummvm-rg350-42ab839dd6c8a1570b232101eb97f4e54de57935.zip |
AUDIO: Rename sound/ dir to audio/
svn-id: r55850
Diffstat (limited to 'sound/softsynth/mt32/partialManager.cpp')
-rw-r--r-- | sound/softsynth/mt32/partialManager.cpp | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/sound/softsynth/mt32/partialManager.cpp b/sound/softsynth/mt32/partialManager.cpp deleted file mode 100644 index 3d3b6302db..0000000000 --- a/sound/softsynth/mt32/partialManager.cpp +++ /dev/null @@ -1,272 +0,0 @@ -/* Copyright (c) 2003-2005 Various contributors - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include <string.h> - -#include "mt32emu.h" - -using namespace MT32Emu; - -PartialManager::PartialManager(Synth *useSynth) { - this->synth = useSynth; - for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) - partialTable[i] = new Partial(synth); -} - -PartialManager::~PartialManager(void) { - for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) - delete partialTable[i]; -} - -void PartialManager::getPerPartPartialUsage(int usage[9]) { - memset(usage, 0, 9 * sizeof (int)); - for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) { - if (partialTable[i]->isActive()) - usage[partialTable[i]->getOwnerPart()]++; - } -} - -void PartialManager::clearAlreadyOutputed() { - for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) - partialTable[i]->alreadyOutputed = false; -} - -void PartialManager::ageAll() { - for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) - partialTable[i]->age++; -} - -bool PartialManager::shouldReverb(int i) { - return partialTable[i]->shouldReverb(); -} - -bool PartialManager::produceOutput(int i, Bit16s *buffer, Bit32u bufferLength) { - return partialTable[i]->produceOutput(buffer, bufferLength); -} - -void PartialManager::deactivateAll() { - for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) { - partialTable[i]->deactivate(); - } -} - -unsigned int PartialManager::setReserve(Bit8u *rset) { - unsigned int pr = 0; - for (int x = 0; x < 9; x++) { - for (int y = 0; y < rset[x]; y++) { - partialReserveTable[pr] = x; - pr++; - } - } - return pr; -} - -Partial *PartialManager::allocPartial(int partNum) { - Partial *outPartial = NULL; - - // Use the first inactive partial reserved for the specified part (if there are any) - // Otherwise, use the last inactive partial, if any - for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) { - if (!partialTable[i]->isActive()) { - outPartial = partialTable[i]; - if (partialReserveTable[i] == partNum) - break; - } - } - if (outPartial != NULL) { - outPartial->activate(partNum); - outPartial->age = 0; - } - return outPartial; -} - -unsigned int PartialManager::getFreePartialCount(void) { - int count = 0; - memset(partialPart, 0, sizeof(partialPart)); - for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) { - if (!partialTable[i]->isActive()) - count++; - else - partialPart[partialTable[i]->getOwnerPart()]++; - } - return count; -} - -/* -bool PartialManager::freePartials(unsigned int needed, int partNum) { - int i; - int myPartPrior = (int)mt32ram.system.reserveSettings[partNum]; - if (myPartPrior<partialPart[partNum]) { - //This can have more parts, must kill off those with less priority - int most, mostPart; - while (needed > 0) { - int selectPart = -1; - //Find the worst offender with more partials than allocated and kill them - most = -1; - mostPart = -1; - int diff; - - for (i=0;i<9;i++) { - diff = partialPart[i] - (int)mt32ram.system.reserveSettings[i]; - - if (diff>0) { - if (diff>most) { - most = diff; - mostPart = i; - } - } - } - selectPart = mostPart; - if (selectPart == -1) { - // All parts are within the allocated limits, you suck - // Look for first partial not of this part that's decaying perhaps? - return false; - } - bool found; - int oldest; - int oldnum; - while (partialPart[selectPart] > (int)mt32ram.system.reserveSettings[selectPart]) { - oldest = -1; - oldnum = -1; - found = false; - for (i = 0; i < MT32EMU_MAX_PARTIALS; i++) { - if (partialTable[i]->isActive) { - if (partialTable[i]->ownerPart == selectPart) { - found = true; - if (partialTable[i]->age > oldest) { - oldest = partialTable[i]->age; - oldnum = i; - } - } - } - } - if (!found) break; - partialTable[oldnum]->deactivate(); - --partialPart[selectPart]; - --needed; - } - - } - return true; - - } else { - //This part has reached its max, must kill off its own - bool found; - int oldest; - int oldnum; - while (needed > 0) { - oldest = -1; - oldnum = -1; - found = false; - for (i = 0; i < MT32EMU_MAX_PARTIALS; i++) { - if (partialTable[i]->isActive) { - if (partialTable[i]->ownerPart == partNum) { - found = true; - if (partialTable[i]->age > oldest) { - oldest = partialTable[i]->age; - oldnum = i; - } - } - } - } - if (!found) break; - partialTable[oldnum]->deactivate(); - --needed; - } - // Couldn't free enough partials, sorry - if (needed>0) return false; - return true; - } - -} -*/ -bool PartialManager::freePartials(unsigned int needed, int partNum) { - if (needed == 0) { - return true; - } - // Reclaim partials reserved for this part - // Kill those that are already decaying first - /* - for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) { - if (partialReserveTable[i] == partNum) { - if (partialTable[i]->ownerPart != partNum) { - if (partialTable[i]->partCache->envs[AMPENV].decaying) { - partialTable[i]->isActive = false; - --needed; - if (needed == 0) - return true; - } - } - } - }*/ - // Then kill those with the lowest part priority -- oldest at the moment - while (needed > 0) { - Bit32u prior = 0; - int priornum = -1; - - for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) { - if (partialReserveTable[i] == partNum && partialTable[i]->isActive() && partialTable[i]->getOwnerPart() != partNum) { - /* - if (mt32ram.system.reserveSettings[partialTable[i]->ownerPart] < prior) { - prior = mt32ram.system.reserveSettings[partialTable[i]->ownerPart]; - priornum = i; - }*/ - if (partialTable[i]->age >= prior) { - prior = partialTable[i]->age; - priornum = i; - } - } - } - if (priornum != -1) { - partialTable[priornum]->deactivate(); - --needed; - } else { - break; - } - } - - // Kill off the oldest partials within this part - while (needed > 0) { - Bit32u oldest = 0; - int oldlist = -1; - for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) { - if (partialTable[i]->getOwnerPart() == partNum && partialTable[i]->isActive()) { - if (partialTable[i]->age >= oldest) { - oldest = partialTable[i]->age; - oldlist = i; - } - } - } - if (oldlist != -1) { - partialTable[oldlist]->deactivate(); - --needed; - } else { - break; - } - } - return needed == 0; -} - -const Partial *PartialManager::getPartial(unsigned int partialNum) const { - if (partialNum > MT32EMU_MAX_PARTIALS - 1) - return NULL; - return partialTable[partialNum]; -} |