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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005, 2006 Christian Schoenebeck * |
* Copyright (C) 2005 - 2007 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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pLFO3 = new LFOSigned(1200.0f); // pitch EG (-1200..+1200 range) |
pLFO3 = new LFOSigned(1200.0f); // pitch EG (-1200..+1200 range) |
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KeyGroup = 0; |
KeyGroup = 0; |
40 |
SynthesisMode = 0; // set all mode bits to 0 first |
SynthesisMode = 0; // set all mode bits to 0 first |
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// select synthesis implementation (currently either pure C++ or MMX+SSE(1)) |
// select synthesis implementation (asm core is not supported ATM) |
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#if CONFIG_ASM && ARCH_X86 |
#if 0 // CONFIG_ASM && ARCH_X86 |
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SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE()); |
SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, Features::supportsMMX() && Features::supportsSSE()); |
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#else |
#else |
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SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false); |
SYNTHESIS_MODE_SET_IMPLEMENTATION(SynthesisMode, false); |
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int Voice::Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup) { |
int Voice::Trigger(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent, int PitchBend, ::gig::DimensionRegion* pDimRgn, type_t VoiceType, int iKeyGroup) { |
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this->pEngineChannel = pEngineChannel; |
this->pEngineChannel = pEngineChannel; |
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this->pDimRgn = pDimRgn; |
this->pDimRgn = pDimRgn; |
82 |
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Orphan = false; |
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|
84 |
#if CONFIG_DEVMODE |
#if CONFIG_DEVMODE |
85 |
if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // just a sanity check for debugging |
if (itNoteOnEvent->FragmentPos() > pEngine->MaxSamplesPerCycle) { // just a sanity check for debugging |
104 |
// -1.0..1.0). For 24 bit, we downscale from int32. |
// -1.0..1.0). For 24 bit, we downscale from int32. |
105 |
float volume = velocityAttenuation / (pSample->BitDepth == 16 ? 32768.0f : 32768.0f * 65536.0f); |
float volume = velocityAttenuation / (pSample->BitDepth == 16 ? 32768.0f : 32768.0f * 65536.0f); |
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|
|
107 |
volume *= pDimRgn->SampleAttenuation; |
volume *= pDimRgn->SampleAttenuation * pEngineChannel->GlobalVolume * GLOBAL_VOLUME; |
108 |
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|
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// the volume of release triggered samples depends on note length |
// the volume of release triggered samples depends on note length |
110 |
if (Type == type_release_trigger) { |
if (Type == type_release_trigger) { |
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|
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float subfragmentRate = pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE; |
float subfragmentRate = pEngine->SampleRate / CONFIG_DEFAULT_SUBFRAGMENT_SIZE; |
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CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate); |
CrossfadeSmoother.trigger(crossfadeVolume, subfragmentRate); |
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VolumeSmoother.trigger(pEngineChannel->GlobalVolume, subfragmentRate); |
VolumeSmoother.trigger(pEngineChannel->MidiVolume, subfragmentRate); |
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PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate); |
PanLeftSmoother.trigger(pEngineChannel->GlobalPanLeft, subfragmentRate); |
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PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate); |
PanRightSmoother.trigger(pEngineChannel->GlobalPanRight, subfragmentRate); |
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|
184 |
// calculate initial pitch value |
// calculate initial pitch value |
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{ |
{ |
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double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12]; |
double pitchbasecents = pDimRgn->FineTune + (int) pEngine->ScaleTuning[MIDIKey % 12]; |
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if (pDimRgn->PitchTrack) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
|
188 |
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// GSt behaviour: maximum transpose up is 40 semitones. If |
189 |
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// MIDI key is more than 40 semitones above unity note, |
190 |
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// the transpose is not done. |
191 |
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if (pDimRgn->PitchTrack && (MIDIKey - (int) pDimRgn->UnityNote) < 40) pitchbasecents += (MIDIKey - (int) pDimRgn->UnityNote) * 100; |
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|
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this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->SampleRate)); |
this->PitchBase = RTMath::CentsToFreqRatio(pitchbasecents) * (double(pSample->SamplesPerSecond) / double(pEngine->SampleRate)); |
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this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents |
this->PitchBend = RTMath::CentsToFreqRatio(((double) PitchBend / 8192.0) * 200.0); // pitchbend wheel +-2 semitones = 200 cents |
195 |
} |
} |
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else |
else |
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#else |
#else |
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{ |
{ |
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float finalVolume = pEngineChannel->GlobalVolume * crossfadeVolume * EG1.getLevel(); |
float finalVolume = pEngineChannel->MidiVolume * crossfadeVolume * EG1.getLevel(); |
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|
|
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finalSynthesisParameters.fFinalVolumeLeft = finalVolume * VolumeLeft * pEngineChannel->GlobalPanLeft; |
finalSynthesisParameters.fFinalVolumeLeft = finalVolume * VolumeLeft * pEngineChannel->GlobalPanLeft; |
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finalSynthesisParameters.fFinalVolumeRight = finalVolume * VolumeRight * pEngineChannel->GlobalPanRight; |
finalSynthesisParameters.fFinalVolumeRight = finalVolume * VolumeRight * pEngineChannel->GlobalPanRight; |
520 |
finalSynthesisParameters.filterLeft.SetType(pDimRgn->VCFType); |
finalSynthesisParameters.filterLeft.SetType(pDimRgn->VCFType); |
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finalSynthesisParameters.filterRight.SetType(pDimRgn->VCFType); |
finalSynthesisParameters.filterRight.SetType(pDimRgn->VCFType); |
522 |
#else // override filter type |
#else // override filter type |
523 |
FilterLeft.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
finalSynthesisParameters.filterLeft.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
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FilterRight.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
finalSynthesisParameters.filterRight.SetType(CONFIG_OVERRIDE_FILTER_TYPE); |
525 |
#endif // CONFIG_OVERRIDE_FILTER_TYPE |
#endif // CONFIG_OVERRIDE_FILTER_TYPE |
526 |
|
|
527 |
VCFCutoffCtrl.value = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller]; |
VCFCutoffCtrl.value = pEngineChannel->ControllerTable[VCFCutoffCtrl.controller]; |
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CrossfadeSmoother.update(Engine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]); |
CrossfadeSmoother.update(Engine::CrossfadeCurve[CrossfadeAttenuation(itEvent->Param.CC.Value)]); |
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} |
} |
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if (itEvent->Param.CC.Controller == 7) { // volume |
if (itEvent->Param.CC.Controller == 7) { // volume |
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VolumeSmoother.update(Engine::VolumeCurve[itEvent->Param.CC.Value] * CONFIG_GLOBAL_ATTENUATION); |
VolumeSmoother.update(Engine::VolumeCurve[itEvent->Param.CC.Value]); |
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} else if (itEvent->Param.CC.Controller == 10) { // panpot |
} else if (itEvent->Param.CC.Controller == 10) { // panpot |
730 |
PanLeftSmoother.update(Engine::PanCurve[128 - itEvent->Param.CC.Value]); |
PanLeftSmoother.update(Engine::PanCurve[128 - itEvent->Param.CC.Value]); |
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PanRightSmoother.update(Engine::PanCurve[itEvent->Param.CC.Value]); |
PanRightSmoother.update(Engine::PanCurve[itEvent->Param.CC.Value]); |
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* @param Skip - number of sample points to skip in output buffer |
* @param Skip - number of sample points to skip in output buffer |
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*/ |
*/ |
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void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) { |
void Voice::Synthesize(uint Samples, sample_t* pSrc, uint Skip) { |
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finalSynthesisParameters.pOutLeft = &pEngineChannel->pOutputLeft[Skip]; |
finalSynthesisParameters.pOutLeft = &pEngineChannel->pChannelLeft->Buffer()[Skip]; |
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finalSynthesisParameters.pOutRight = &pEngineChannel->pOutputRight[Skip]; |
finalSynthesisParameters.pOutRight = &pEngineChannel->pChannelRight->Buffer()[Skip]; |
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finalSynthesisParameters.pSrc = pSrc; |
finalSynthesisParameters.pSrc = pSrc; |
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|
|
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RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first(); |
RTList<Event>::Iterator itCCEvent = pEngineChannel->pEvents->first(); |
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RTList<Event>::Iterator itNoteEvent = pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents->first(); |
RTList<Event>::Iterator itNoteEvent = pEngineChannel->pMIDIKeyInfo[MIDIKey].pEvents->first(); |
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|
784 |
if (Skip) { // skip events that happened before this voice was triggered |
if (itTriggerEvent) { // skip events that happened before this voice was triggered |
785 |
while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent; |
while (itCCEvent && itCCEvent->FragmentPos() <= Skip) ++itCCEvent; |
786 |
while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent; |
while (itNoteEvent && itNoteEvent->FragmentPos() <= Skip) ++itNoteEvent; |
787 |
} |
} |
788 |
|
|
789 |
uint killPos; |
uint killPos; |
790 |
if (itKillEvent) killPos = RTMath::Min(itKillEvent->FragmentPos(), pEngine->MaxFadeOutPos); |
if (itKillEvent) { |
791 |
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int maxFadeOutPos = Samples - pEngine->MinFadeOutSamples; |
792 |
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if (maxFadeOutPos < 0) { |
793 |
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// There's not enough space in buffer to do a fade out |
794 |
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// from max volume (this can only happen for audio |
795 |
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// drivers that use Samples < MaxSamplesPerCycle). |
796 |
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// End the EG1 here, at pos 0, with a shorter max fade |
797 |
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// out time. |
798 |
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EG1.enterFadeOutStage(Samples / CONFIG_DEFAULT_SUBFRAGMENT_SIZE); |
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itKillEvent = Pool<Event>::Iterator(); |
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} else { |
801 |
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killPos = RTMath::Min(itKillEvent->FragmentPos(), maxFadeOutPos); |
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} |
803 |
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} |
804 |
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|
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uint i = Skip; |
uint i = Skip; |
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while (i < Samples) { |
while (i < Samples) { |
822 |
// process transition events (note on, note off & sustain pedal) |
// process transition events (note on, note off & sustain pedal) |
823 |
processTransitionEvents(itNoteEvent, iSubFragmentEnd); |
processTransitionEvents(itNoteEvent, iSubFragmentEnd); |
824 |
|
|
825 |
// if the voice was killed in this subfragment switch EG1 to fade out stage |
// if the voice was killed in this subfragment, or if the |
826 |
if (itKillEvent && killPos <= iSubFragmentEnd) { |
// filter EG is finished, switch EG1 to fade out stage |
827 |
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if ((itKillEvent && killPos <= iSubFragmentEnd) || |
828 |
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(SYNTHESIS_MODE_GET_FILTER(SynthesisMode) && |
829 |
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EG2.getSegmentType() == EGADSR::segment_end)) { |
830 |
EG1.enterFadeOutStage(); |
EG1.enterFadeOutStage(); |
831 |
itKillEvent = Pool<Event>::Iterator(); |
itKillEvent = Pool<Event>::Iterator(); |
832 |
} |
} |
939 |
* fading down the volume level to avoid clicks and regular processing |
* fading down the volume level to avoid clicks and regular processing |
940 |
* until the kill event actually occured! |
* until the kill event actually occured! |
941 |
* |
* |
942 |
* @see Kill() |
* If it's necessary to know when the voice's disk stream was actually |
943 |
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* deleted, then one can set the optional @a bRequestNotification |
944 |
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* parameter and this method will then return the handle of the disk |
945 |
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* stream (unique identifier) and one can use this handle to poll the |
946 |
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* disk thread if this stream has been deleted. In any case this method |
947 |
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* will return immediately and will not block until the stream actually |
948 |
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* was deleted. |
949 |
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* |
950 |
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* @param bRequestNotification - (optional) whether the disk thread shall |
951 |
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* provide a notification once it deleted |
952 |
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* the respective disk stream |
953 |
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* (default=false) |
954 |
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* @returns handle to the voice's disk stream or @c Stream::INVALID_HANDLE |
955 |
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* if the voice did not use a disk stream at all |
956 |
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* @see Kill() |
957 |
*/ |
*/ |
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void Voice::KillImmediately() { |
Stream::Handle Voice::KillImmediately(bool bRequestNotification) { |
959 |
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Stream::Handle hStream = Stream::INVALID_HANDLE; |
960 |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
if (DiskVoice && DiskStreamRef.State != Stream::state_unused) { |
961 |
pDiskThread->OrderDeletionOfStream(&DiskStreamRef); |
pDiskThread->OrderDeletionOfStream(&DiskStreamRef, bRequestNotification); |
962 |
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hStream = DiskStreamRef.hStream; |
963 |
} |
} |
964 |
Reset(); |
Reset(); |
965 |
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return hStream; |
966 |
} |
} |
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|
968 |
/** |
/** |