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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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* Copyright (C) 2009 Grigor Iliev * |
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* * |
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* 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 * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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|
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#include "PluginAU.h" |
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|
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#include "../../drivers/audio/AudioChannel.h" |
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|
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#if AU_DEBUG_DISPATCHER |
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#include <AUDebugDispatcher.h> |
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#endif |
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|
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COMPONENT_ENTRY(PluginAU) |
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|
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//namespace LinuxSampler { |
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|
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const midi_chan_t PluginAU::midiChns[16] = { |
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midi_chan_1, midi_chan_2, midi_chan_3, midi_chan_4, midi_chan_5, |
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midi_chan_6, midi_chan_7, midi_chan_8, midi_chan_9, midi_chan_10, |
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midi_chan_11, midi_chan_12, midi_chan_13, midi_chan_14, midi_chan_15, |
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midi_chan_16 |
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}; |
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|
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AUPreset PluginAU::factoryPresets[kFactoryPresetCount] = { |
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{ kOneSamplerChannel, CFSTR("LS: 1 Channel") }, |
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{ k16SamplerChannels, CFSTR("LS: 16 Channels") } |
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}; |
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|
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PluginAU::PluginAU(ComponentInstance inComponentInstance) |
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: MusicDeviceBase(inComponentInstance, 0, 1), Plugin(false) { |
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|
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#if AU_DEBUG_DISPATCHER |
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mDebugDispatcher = new AUDebugDispatcher(this); |
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#endif |
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charBufSize = 512; |
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charBuf = new char[charBufSize]; |
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InstallListeners(); |
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|
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SetAFactoryPresetAsCurrent(factoryPresets[kDefaultPreset]); |
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} |
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|
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PluginAU::~PluginAU() { |
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#if AU_DEBUG_DISPATCHER |
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delete mDebugDispatcher; |
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#endif |
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delete [] charBuf; |
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UninstallListeners(); |
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} |
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|
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void PluginAU::InstallListeners() { |
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AddPropertyListener(kAudioUnitProperty_ContextName, PropertyListenerCallback, this); |
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|
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} |
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|
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void PluginAU::UninstallListeners() { |
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RemovePropertyListener(kAudioUnitProperty_ContextName, PropertyListenerCallback, this, true); |
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} |
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|
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void PluginAU::PropertyListenerCallback ( |
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void* inRefCon, |
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AudioUnit ci, |
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AudioUnitPropertyID inID, |
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AudioUnitScope inScope, |
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AudioUnitElement inElement |
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) { |
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((PluginAU*)inRefCon)->PropertyChanged(inID, inScope, inElement); |
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} |
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|
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void PluginAU::PropertyChanged ( |
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AudioUnitPropertyID inID, |
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AudioUnitScope inScope, |
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AudioUnitElement inElement |
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) { |
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switch (inID) { |
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case kAudioUnitProperty_ContextName: |
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// TODO: |
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//GetStr(mContextName); |
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break; |
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} |
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} |
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|
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ComponentResult PluginAU::GetPropertyInfo ( |
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AudioUnitPropertyID inID, |
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AudioUnitScope inScope, |
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AudioUnitElement inElement, |
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UInt32& outDataSize, |
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Boolean& outWritable |
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) { |
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// TODO: |
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return MusicDeviceBase::GetPropertyInfo(inID, inScope, inElement, outDataSize, outWritable); |
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} |
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|
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ComponentResult PluginAU::GetProperty ( |
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AudioUnitPropertyID inID, |
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AudioUnitScope inScope, |
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AudioUnitElement inElement, |
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void* outData |
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) { |
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// TODO: |
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return MusicDeviceBase::GetProperty(inID, inScope, inElement, outData); |
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} |
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|
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ComponentResult PluginAU::SetProperty ( |
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AudioUnitPropertyID inID, |
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AudioUnitScope inScope, |
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AudioUnitElement inElement, |
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const void* inData, |
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UInt32 inDataSize |
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) { |
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switch (inID) { |
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case kAudioUnitProperty_AUHostIdentifier: |
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if(inData != NULL) { |
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AUHostIdentifier* host = (AUHostIdentifier*)inData; |
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hostName = GetHostNameByID(GetStr(host->hostName)); |
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} |
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break; |
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} |
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return MusicDeviceBase::SetProperty(inID, inScope, inElement, inData, inDataSize); |
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} |
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|
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ComponentResult PluginAU::GetPresets(CFArrayRef* outData) const { |
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if (outData == NULL) return noErr; |
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|
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CFMutableArrayRef presetsArray = CFArrayCreateMutable ( |
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NULL, kFactoryPresetCount, NULL |
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); |
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|
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for (int i = 0; i < kFactoryPresetCount; i++) { |
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CFArrayAppendValue(presetsArray, &factoryPresets[i] ); |
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} |
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|
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*outData = (CFArrayRef)presetsArray; |
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return noErr; |
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} |
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|
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OSStatus PluginAU::NewFactoryPresetSet(const AUPreset& inNewFactoryPreset) { |
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if(global == NULL) return noErr; |
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|
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switch(inNewFactoryPreset.presetNumber) { |
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case kOneSamplerChannel: |
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AddSamplerChannel("GIG", midi_chan_1); |
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break; |
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case k16SamplerChannels: |
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Set16SamplerChannelsPreset(); |
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break; |
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default: |
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return kAudioUnitErr_InvalidProperty; |
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} |
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|
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SetAFactoryPresetAsCurrent(inNewFactoryPreset); |
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return noErr; |
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} |
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|
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UInt32 PluginAU::SupportedNumChannels(const AUChannelInfo** outInfo) { |
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static AUChannelInfo plugChannelInfo = { 0, -1 }; |
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if (outInfo != NULL) *outInfo = &plugChannelInfo; |
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return 1; |
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} |
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|
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ComponentResult PluginAU::Initialize() { |
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MusicDeviceBase::Initialize(); |
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|
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// The timeconsuming tasks delayed until the pluging is to be used |
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PreInit(); |
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|
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if(pAudioDevice) { |
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RemoveChannels(); |
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global->pSampler->DestroyAudioOutputDevice(pAudioDevice); |
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pAudioDevice = NULL; |
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} |
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|
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if(pMidiDevice) { |
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global->pSampler->DestroyMidiInputDevice(pMidiDevice); |
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pMidiDevice = NULL; |
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} |
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|
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int srate = (int)GetStreamFormat(kAudioUnitScope_Output, 0).mSampleRate; |
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int chnNum = GetStreamFormat(kAudioUnitScope_Output, 0).NumberChannels(); |
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|
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Init(srate, GetMaxFramesPerSlice(), chnNum); |
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|
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if(hostName.empty()) { |
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hostName = GetHostNameByID(GetHostBundleID()); |
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} |
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|
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if(!hostName.empty()) { |
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for(int i = 0; i < pMidiDevice->PortCount(); i++) { |
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DeviceRuntimeParameter* param; |
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param = pMidiDevice->GetPort(i)->PortParameters()["NAME"]; |
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if(param != NULL) param->SetValue(hostName + " " + ToString(i + 1)); |
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|
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} |
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} |
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|
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if(!hostName.empty()) { |
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for(int i = 0; i < pAudioDevice->ChannelCount(); i++) { |
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DeviceRuntimeParameter* param; |
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param = pAudioDevice->Channel(i)->ChannelParameters()["NAME"]; |
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if(param != NULL) param->SetValue(hostName + " " + ToString(i + 1)); |
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|
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} |
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} |
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|
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NewFactoryPresetSet(factoryPresets[kDefaultPreset]); |
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|
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/*AudioChannelLayout* pLayout = CAAudioChannelLayout::Create(chnNum); |
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if(pLayout != NULL) { |
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for(int i = 0; i < chnNum; i++) { |
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pLayout->mChannelDescriptions[i].mChannelLabel = |
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} |
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SetAudioChannelLayout(kAudioUnitScope_Output, 0, pLayout); |
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}*/ |
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|
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return noErr; |
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} |
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|
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bool PluginAU::StreamFormatWritable(AudioUnitScope scope, AudioUnitElement element) { |
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return IsInitialized() ? false : true; |
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} |
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|
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OSStatus PluginAU::HandleMidiEvent ( |
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UInt8 inStatus, UInt8 inChannel, |
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UInt8 inData1, UInt8 inData2, |
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UInt32 inStartFrame |
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) { |
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if(!IsInitialized()) return kAudioUnitErr_Uninitialized; |
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MidiInputPort* port = pMidiDevice->Port(); |
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|
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switch (inStatus) { |
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case 0x90: |
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if(inData1 >= 0x80) break; |
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|
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if(inData2) { |
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port->DispatchNoteOn ( |
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inData1, inData2, inChannel, inStartFrame |
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); |
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} else { |
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port->DispatchNoteOff ( |
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inData1, inData2, inChannel, inStartFrame |
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); |
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} |
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break; |
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case 0x80: |
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if(inData1 >= 0x80) break; |
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port->DispatchNoteOff ( |
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inData1, inData2, inChannel, inStartFrame |
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); |
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break; |
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case 0xB0: |
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if(inData1 == 0) { |
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port->DispatchBankSelectMsb(inData2, inChannel); |
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} else if(inData1 == 32) { |
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port->DispatchBankSelectLsb(inData2, inChannel); |
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} |
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|
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port->DispatchControlChange ( |
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inData1, inData2, inChannel, inStartFrame |
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); |
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break; |
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case 0xC0: |
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if(inData1 < 0x80) port->DispatchProgramChange(inData1, inChannel); |
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break; |
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case 0xE0: |
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port->DispatchPitchbend((inData1 | inData2 << 7) - 8192, inChannel, inStartFrame); |
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break; |
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case 0xD0: |
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port->DispatchControlChange(128, inData1, inChannel); |
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break; |
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} |
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|
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return noErr; |
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} |
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|
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ComponentResult PluginAU::Render ( |
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AudioUnitRenderActionFlags& ioActionFlags, |
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const AudioTimeStamp& inTimeStamp, |
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UInt32 inNumberFrames |
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) { |
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float* buf; |
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int chnCount = GetOutput(0)->GetBufferList().mNumberBuffers; |
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for(int i = 0; i < chnCount; i++) { |
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buf = (float*)GetOutput(0)->GetBufferList().mBuffers[i].mData; |
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pAudioDevice->Channel(i)->SetBuffer(buf); |
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} |
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|
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pAudioDevice->Render(inNumberFrames); |
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return noErr; |
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} |
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|
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void PluginAU::Set16SamplerChannelsPreset() { |
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RemoveChannels(); |
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for(int i = 0; i < 16; i++) { |
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AddSamplerChannel("GIG", midiChns[i]); |
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} |
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} |
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|
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void PluginAU::AddSamplerChannel(const char* engine, midi_chan_t midiChn) { |
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SamplerChannel* channel = global->pSampler->AddSamplerChannel(); |
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channel->SetEngineType(engine); |
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channel->SetAudioOutputDevice(pAudioDevice); |
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channel->SetMidiInputDevice(pMidiDevice); |
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channel->SetMidiInputChannel(midiChn); |
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} |
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|
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OSStatus PluginAU::GetInstrumentCount(UInt32 &outInstCount) const { |
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// TODO: |
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return MusicDeviceBase::GetInstrumentCount(outInstCount); |
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} |
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|
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std::string PluginAU::GetHostNameByID(std::string Identifier) { |
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std::string name; |
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if(Identifier == "com.apple.logic.pro") { |
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name = "Logic Pro"; |
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} else if(Identifier == "com.apple.garageband") { |
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name = "GarageBand"; |
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} else if(Identifier == "com.ableton.live") { |
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name = "Ableton Live"; |
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} else if(Identifier == "com.apple.audio.aulab") { |
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name = "AULab"; |
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} |
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|
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return name; |
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} |
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|
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std::string PluginAU::GetHostBundleID() { |
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std::string id; |
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CFStringRef identifier; |
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CFBundleRef mainBundle = CFBundleGetMainBundle(); |
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if (mainBundle) { |
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identifier = CFBundleGetIdentifier(mainBundle); |
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id = GetStr(identifier); |
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} |
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|
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return id; |
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} |
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|
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std::string PluginAU::GetStr(CFStringRef s) { |
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if(s == NULL) return std::string(""); |
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|
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CFRetain(s); |
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CFIndex len = CFStringGetLength(s) + 1; |
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if(charBufSize < len) { |
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delete [] charBuf; |
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charBufSize *= 2; |
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if(charBufSize < len) charBufSize = len; |
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charBuf = new char[charBufSize]; |
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} |
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|
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std::string s2; |
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if(CFStringGetCString(s, charBuf, charBufSize, kCFStringEncodingASCII)) { |
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s2 = charBuf; |
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} |
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CFRelease(s); |
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|
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return s2; |
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} |
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|
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ComponentResult PluginAU::SaveState(CFPropertyListRef* outData) { |
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ComponentResult result = AUBase::SaveState(outData); |
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if(global == NULL || result != noErr) return result; |
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|
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void** d = const_cast<void**> (outData); |
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CFMutableDictionaryRef dict = static_cast<CFMutableDictionaryRef> (*d); |
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|
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std::string s = GetState(); |
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CFStringRef cfsState = CFStringCreateWithCString(NULL, s.c_str(), kCFStringEncodingASCII); |
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|
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CFDictionarySetValue(dict, CFSTR("org.linuxsampler.LinuxSamplerPluginAU"), cfsState); |
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CFRelease(cfsState); |
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|
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return noErr; |
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} |
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|
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ComponentResult PluginAU::RestoreState(CFPropertyListRef inData) { |
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ComponentResult result = AUBase::RestoreState(inData); |
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if(global == NULL || result != noErr) return result; |
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|
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CFDictionaryRef dict = static_cast<CFDictionaryRef>(inData); |
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|
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const void* d = CFDictionaryGetValue ( |
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dict, CFSTR("org.linuxsampler.LinuxSamplerPluginAU") |
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); |
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|
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CFStringRef str = static_cast<CFStringRef>(d); |
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if(str != NULL) SetState(GetStr(str)); |
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|
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return noErr; |
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} |
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|
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//} // namespace LinuxSampler |
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