469 lines
15 KiB
C++
469 lines
15 KiB
C++
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/*
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File: CAPersistence.cpp
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Abstract: CAPersistence.h
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Version: 1.1
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
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Inc. ("Apple") in consideration of your agreement to the following
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terms, and your use, installation, modification or redistribution of
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this Apple software constitutes acceptance of these terms. If you do
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not agree with these terms, please do not use, install, modify or
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redistribute this Apple software.
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In consideration of your agreement to abide by the following terms, and
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subject to these terms, Apple grants you a personal, non-exclusive
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license, under Apple's copyrights in this original Apple software (the
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"Apple Software"), to use, reproduce, modify and redistribute the Apple
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Software, with or without modifications, in source and/or binary forms;
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provided that if you redistribute the Apple Software in its entirety and
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without modifications, you must retain this notice and the following
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text and disclaimers in all such redistributions of the Apple Software.
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Neither the name, trademarks, service marks or logos of Apple Inc. may
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be used to endorse or promote products derived from the Apple Software
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without specific prior written permission from Apple. Except as
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expressly stated in this notice, no other rights or licenses, express or
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implied, are granted by Apple herein, including but not limited to any
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patent rights that may be infringed by your derivative works or by other
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works in which the Apple Software may be incorporated.
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE
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MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
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THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
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OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
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MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
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AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
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STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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Copyright (C) 2014 Apple Inc. All Rights Reserved.
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*/
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#include "CACFArray.h"
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#include "CACFDictionary.h"
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#include "CAAudioUnit.h"
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#include "CACFString.h"
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#include "CAAudioChannelLayout.h"
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#include "CAAUParameter.h"
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#include "CAAUMIDIMap.h"
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#include <CoreServices/../Frameworks/CarbonCore.framework/Headers/MacErrors.h>
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#pragma mark __CAStreamBasicDescription
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static const CFStringRef kSampleRate = CFSTR("sample rate");
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static const CFStringRef kFormat = CFSTR("format");
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static const CFStringRef kFormatFlags = CFSTR("format flags");
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static const CFStringRef kPacketBytes = CFSTR("packet bytes");
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static const CFStringRef kFramePackets = CFSTR("frame packets");
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static const CFStringRef kFrameBytes = CFSTR("frame bytes");
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static const CFStringRef kFrameChannels = CFSTR("frame channels");
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static const CFStringRef kChannelBits = CFSTR("channel bits");
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// This will return a value that should be used as the key for this struct
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// and a CFData object that contains the current state of this object
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OSStatus CAStreamBasicDescription::Save (CFPropertyListRef *outData) const
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{
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CACFDictionary dict(false);
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if (!dict.AddFloat64 (kSampleRate, mSampleRate)) goto error;
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if (!dict.AddUInt32 (kFormat, mFormatID)) goto error;
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if (!dict.AddUInt32 (kFormatFlags, mFormatFlags)) goto error;
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if (!dict.AddUInt32 (kPacketBytes, mBytesPerPacket)) goto error;
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if (!dict.AddUInt32 (kFramePackets, mFramesPerPacket)) goto error;
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if (!dict.AddUInt32 (kFrameBytes, mBytesPerFrame)) goto error;
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if (!dict.AddUInt32 (kFrameChannels, mChannelsPerFrame)) goto error;
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if (!dict.AddUInt32 (kChannelBits, mBitsPerChannel)) goto error;
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*outData = dict.GetDict();
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return noErr;
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error:
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dict.ShouldRelease (true);
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return paramErr;
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}
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// Given a CFData object generated by the save command, this will re-establish
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// the CAStreamBasicDescription
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OSStatus CAStreamBasicDescription::Restore (CFPropertyListRef& inData)
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{
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if (CFGetTypeID (inData) != CFDictionaryGetTypeID()) return paramErr;
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CACFDictionary dict(static_cast<CFDictionaryRef>(inData), false);
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if (!dict.GetFloat64 (kSampleRate, mSampleRate)) return paramErr;
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if (!dict.GetUInt32 (kFormat, mFormatID)) return paramErr;
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if (!dict.GetUInt32 (kFormatFlags, mFormatFlags)) return paramErr;
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if (!dict.GetUInt32 (kPacketBytes, mBytesPerPacket)) return paramErr;
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if (!dict.GetUInt32 (kFramePackets, mFramesPerPacket)) return paramErr;
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if (!dict.GetUInt32 (kFrameBytes, mBytesPerFrame)) return paramErr;
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if (!dict.GetUInt32 (kFrameChannels, mChannelsPerFrame)) return paramErr;
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if (!dict.GetUInt32 (kChannelBits, mBitsPerChannel)) return paramErr;
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return noErr;
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}
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#pragma mark __CAComponentDescription
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static const CFStringRef kType = CFSTR("type");
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static const CFStringRef kSubType = CFSTR("subtype");
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static const CFStringRef kManu = CFSTR("manufacturer");
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OSStatus CAComponentDescription::Save (CFPropertyListRef *outData) const
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{
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CACFDictionary dict(false);
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if (!dict.AddUInt32 (kType, componentType)) goto error;
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if (!dict.AddUInt32 (kSubType, componentSubType)) goto error;
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if (!dict.AddUInt32 (kManu, componentManufacturer)) goto error;
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*outData = dict.GetDict();
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return 0;
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error:
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dict.ShouldRelease (true);
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return paramErr;
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}
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OSStatus CAComponentDescription::Restore (CFPropertyListRef &inData)
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{
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if (CFGetTypeID (inData) != CFDictionaryGetTypeID()) return paramErr;
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CACFDictionary dict(static_cast<CFDictionaryRef>(inData), false);
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if (!dict.GetUInt32 (kType, componentType)) return paramErr;
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if (!dict.GetUInt32 (kSubType, componentSubType)) return paramErr;
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if (!dict.GetUInt32 (kManu, componentManufacturer)) return paramErr;
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componentFlags = 0;
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componentFlagsMask = 0;
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return 0;
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}
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#pragma mark __CAComponent
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OSStatus CAComponent::Save (CFPropertyListRef *outData) const
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{
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OSStatus result = mDesc.Save (outData);
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if (result) return result;
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//add the name string of the component for a human readable name...
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// this name string is *not* restored when restoring the component
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CFStringRef name = GetCompName ();
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if (name && *outData)
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CFDictionarySetValue ((CFMutableDictionaryRef)(*outData), CFSTR("name"), name);
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return noErr;
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}
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OSStatus CAComponent::Restore (CFPropertyListRef &inData)
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{
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if (mDesc.Restore (inData)) return paramErr;
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Clear();
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mComp = AudioComponentFindNext (NULL, &mDesc);
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// this will restore the current flags...
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if (mComp)
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AudioComponentGetDescription (Comp(), &mDesc);
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return noErr;
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}
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#pragma mark __CAAudioChannelLayout
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static const CFStringRef kACLTagKey = CFSTR("acl tag");
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static const CFStringRef kACLBitmapKey = CFSTR("chan bitmap");
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static const CFStringRef kACLLabelKey = CFSTR("label");
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static const CFStringRef kACLFlagsKey = CFSTR("flags");
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static const CFStringRef kACLCoords0Key = CFSTR("coords 0");
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static const CFStringRef kACLCoords1Key = CFSTR("coords 1");
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static const CFStringRef kACLCoords2Key = CFSTR("coords 2");
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static const CFStringRef kACLDescsKey = CFSTR("descriptions");
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OSStatus CAAudioChannelLayout::Save (CFPropertyListRef *outData) const
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{
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const AudioChannelLayout& layout = Layout();
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CACFDictionary dict (false);
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if (!dict.AddUInt32 (kACLTagKey, layout.mChannelLayoutTag))
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goto badadd;
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if (layout.mChannelBitmap && !dict.AddUInt32 (kACLBitmapKey, layout.mChannelBitmap))
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goto badadd;
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if (layout.mNumberChannelDescriptions)
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{
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CFMutableArrayRef descs = CFArrayCreateMutable (NULL, layout.mNumberChannelDescriptions, &kCFTypeArrayCallBacks);
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const AudioChannelDescription *desc = layout.mChannelDescriptions;
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for (unsigned int i = 0; i < layout.mNumberChannelDescriptions; ++i, ++desc)
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{
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CACFDictionary descDict (true);
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if (!descDict.AddUInt32 (kACLLabelKey, desc->mChannelLabel))
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{ CFRelease (descs); goto badadd; }
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if (!descDict.AddUInt32 (kACLFlagsKey, desc->mChannelFlags))
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{ CFRelease (descs); goto badadd; }
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if (!descDict.AddFloat32 (kACLCoords0Key, desc->mCoordinates[0]))
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{ CFRelease (descs); goto badadd; }
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if (!descDict.AddFloat32 (kACLCoords1Key, desc->mCoordinates[1]))
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{ CFRelease (descs); goto badadd; }
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if (!descDict.AddFloat32 (kACLCoords2Key, desc->mCoordinates[2]))
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{ CFRelease (descs); goto badadd; }
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CFArrayAppendValue (descs, descDict.AsPropertyList());
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}
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dict.AddArray (kACLDescsKey, descs);
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CFRelease (descs);
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}
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*outData = dict.GetDict();
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return noErr;
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badadd:
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dict.ShouldRelease(true);
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return paramErr;
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}
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OSStatus CAAudioChannelLayout::Restore (CFPropertyListRef &inData)
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{
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if (CFGetTypeID (inData) != CFDictionaryGetTypeID()) return paramErr;
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CACFDictionary dict(static_cast<CFDictionaryRef>(inData), false);
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RefCountedLayout *temp = NULL;
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AudioChannelLayout* layout;
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CFArrayRef descs = NULL;
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UInt32 numDescs = 0;
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if (dict.GetArray (kACLDescsKey, descs)) {
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numDescs = static_cast<OSStatus>(CFArrayGetCount (descs));
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}
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temp = RefCountedLayout::CreateWithNumberChannelDescriptions(numDescs);
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layout = temp->GetLayout();
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if (!dict.GetUInt32 (kACLTagKey, layout->mChannelLayoutTag))
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goto badget;
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if (dict.HasKey (kACLBitmapKey)) {
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if (!dict.GetUInt32 (kACLBitmapKey, layout->mChannelBitmap))
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goto badget;
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} else
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layout->mChannelBitmap = 0;
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layout->mNumberChannelDescriptions = numDescs;
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if (numDescs)
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{
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AudioChannelDescription *desc = layout->mChannelDescriptions;
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for (unsigned int i = 0; i < numDescs; ++i, ++desc)
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{
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CFDictionaryRef descDict = (CFDictionaryRef)CFArrayGetValueAtIndex (descs, i);
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CACFDictionary theDesc (descDict, false);
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if (!theDesc.GetUInt32 (kACLLabelKey, desc->mChannelLabel))
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goto badget;
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if (!theDesc.GetUInt32 (kACLFlagsKey, desc->mChannelFlags))
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goto badget;
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if (!theDesc.GetFloat32 (kACLCoords0Key, desc->mCoordinates[0]))
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goto badget;
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if (!theDesc.GetFloat32 (kACLCoords1Key, desc->mCoordinates[1]))
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goto badget;
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if (!theDesc.GetFloat32 (kACLCoords2Key, desc->mCoordinates[2]))
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goto badget;
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}
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}
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if (mLayout)
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mLayout->release();
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mLayout = temp;
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return noErr;
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badget:
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delete temp;
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return paramErr;
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}
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#pragma mark __AudioUnitParameter
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static const CFStringRef kAUScopeStr = CFSTR("scope");
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static const CFStringRef kAUElementIDStr = CFSTR("element ID");
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static const CFStringRef kAUParameterIDStr = CFSTR("paramID");
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void CAAUParameter::Save (CFPropertyListRef &outData) const
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{
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return CAAUParameter::Save (*this, outData);
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}
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// static functions to save/restore AudioUnitParameter
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void CAAUParameter::Save (const AudioUnitParameter &inParam, CFPropertyListRef &outData)
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{
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CACFDictionary dict(false);
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dict.AddUInt32 (kAUScopeStr, inParam.mScope);
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dict.AddUInt32 (kAUElementIDStr, inParam.mElement);
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dict.AddUInt32 (kAUParameterIDStr, inParam.mParameterID);
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outData = dict.AsPropertyList();
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}
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OSStatus CAAUParameter::Restore (const CFPropertyListRef inData, AudioUnitParameter &outParam)
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{
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if (CFGetTypeID (inData) != CFDictionaryGetTypeID()) return paramErr;
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CACFDictionary dict(static_cast<CFDictionaryRef>(inData), false);
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if (!dict.GetUInt32 (kAUScopeStr, outParam.mScope)) return paramErr;
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if (!dict.GetUInt32 (kAUElementIDStr, outParam.mElement)) return paramErr;
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if (!dict.GetUInt32 (kAUParameterIDStr, outParam.mParameterID)) return paramErr;
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return noErr;
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}
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#pragma mark __MIDIMap
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const CFStringRef kParamMIDIStr = CFSTR("param maps");
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const CFStringRef kMIDIFlagsStr = CFSTR("flags");
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const CFStringRef kMIDISubMinStr = CFSTR("sub min");
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const CFStringRef kMIDISubMaxStr = CFSTR("sub max");
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const CFStringRef kMIDIStatusStr = CFSTR("midi status byte");
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const CFStringRef kMIDIDataByteStr = CFSTR("midi data1 byte");
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const CFStringRef kAUStr = CFSTR("unit");
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static const CFStringRef kLocalElementIDStr = CFSTR("element ID");
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static const CFStringRef kLocalScopeStr = CFSTR("scope");
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static const CFStringRef kLocalParameterIDStr = CFSTR("paramID");
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void CAAUMIDIMap::Save(CFPropertyListRef &outData) const
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{
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CACFDictionary paramDict(false);
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paramDict.AddUInt32 (kLocalScopeStr, mScope);
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paramDict.AddUInt32 (kLocalElementIDStr, mElement);
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paramDict.AddUInt32 (kLocalParameterIDStr, mParameterID);
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paramDict.AddUInt32 (kMIDIFlagsStr, mFlags);
|
||
|
|
paramDict.AddFloat32 (kMIDISubMinStr, mSubRangeMin);
|
||
|
|
paramDict.AddFloat32 (kMIDISubMaxStr, mSubRangeMax);
|
||
|
|
|
||
|
|
UInt32 data = mStatus;
|
||
|
|
paramDict.AddUInt32 (kMIDIStatusStr, data);
|
||
|
|
|
||
|
|
data = mData1;
|
||
|
|
paramDict.AddUInt32 (kMIDIDataByteStr, data);
|
||
|
|
|
||
|
|
outData = paramDict.GetCFDictionary();
|
||
|
|
}
|
||
|
|
|
||
|
|
void CAAUMIDIMap::Restore(CFDictionaryRef inData)
|
||
|
|
{
|
||
|
|
CACFDictionary paramDict (inData, false);
|
||
|
|
|
||
|
|
if (!paramDict.GetUInt32 (kLocalScopeStr, mScope)) return;
|
||
|
|
if (!paramDict.GetUInt32 (kLocalElementIDStr, mElement)) return;
|
||
|
|
if (!paramDict.GetUInt32 (kLocalParameterIDStr, mParameterID)) return;
|
||
|
|
if (!paramDict.GetUInt32 (kMIDIFlagsStr, mFlags)) return;
|
||
|
|
if (!paramDict.GetFloat32 (kMIDISubMinStr, mSubRangeMin)) return;
|
||
|
|
if (!paramDict.GetFloat32 (kMIDISubMaxStr, mSubRangeMax)) return;
|
||
|
|
UInt32 data;
|
||
|
|
if (!paramDict.GetUInt32 (kMIDIStatusStr, data)) return;
|
||
|
|
mStatus = data;
|
||
|
|
if (!paramDict.GetUInt32 (kMIDIDataByteStr, data)) return;
|
||
|
|
mData1 = data;
|
||
|
|
}
|
||
|
|
|
||
|
|
void CAAUMIDIMap::SaveAsMapPList (AudioUnit inUnit, const AUParameterMIDIMapping* inMappings, UInt32 inNumMappings, CFPropertyListRef &outData, CFStringRef inName)
|
||
|
|
{
|
||
|
|
|
||
|
|
CACFDictionary mappingDict (false);
|
||
|
|
CACFArray maps (true);
|
||
|
|
|
||
|
|
for (UInt32 i = 0; i< inNumMappings; ++i)
|
||
|
|
{
|
||
|
|
CFPropertyListRef data;
|
||
|
|
CAAUMIDIMap paramMap(inMappings[i]);
|
||
|
|
paramMap.Save (data);
|
||
|
|
if (data)
|
||
|
|
{
|
||
|
|
maps.AppendCFType (data);
|
||
|
|
CFRelease(data);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (maps.GetNumberItems()) {
|
||
|
|
mappingDict.AddCFType (kParamMIDIStr, maps.GetCFArray());
|
||
|
|
|
||
|
|
// Add the AU info here - where this map came from
|
||
|
|
CAAudioUnit au (inUnit);
|
||
|
|
CFPropertyListRef data;
|
||
|
|
au.Comp().Save (&data);
|
||
|
|
|
||
|
|
mappingDict.AddCFType (kAUStr, data);
|
||
|
|
CFRelease(data);
|
||
|
|
|
||
|
|
if (!inName) inName = CFSTR("Untitled");
|
||
|
|
mappingDict.AddString (CFSTR("name"), inName);
|
||
|
|
|
||
|
|
mappingDict.AddUInt32 (CFSTR("version"), 1);
|
||
|
|
|
||
|
|
outData = mappingDict.AsPropertyList();
|
||
|
|
} else {
|
||
|
|
mappingDict.ShouldRelease(true);
|
||
|
|
outData = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
UInt32 CAAUMIDIMap::NumberOfMaps (const CFDictionaryRef inData)
|
||
|
|
{
|
||
|
|
CACFDictionary dict (inData, false);
|
||
|
|
|
||
|
|
if (dict.HasKey (kParamMIDIStr))
|
||
|
|
{
|
||
|
|
CFArrayRef cfArray;
|
||
|
|
dict.GetArray (kParamMIDIStr, cfArray);
|
||
|
|
|
||
|
|
CACFArray array (cfArray, false);
|
||
|
|
|
||
|
|
return array.GetNumberItems();
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void CAAUMIDIMap::RestoreFromMapPList (const CFDictionaryRef inData, AUParameterMIDIMapping* outMappings, UInt32 inNumMappings)
|
||
|
|
{
|
||
|
|
|
||
|
|
CACFDictionary dict (inData, false);
|
||
|
|
|
||
|
|
if (dict.HasKey (kParamMIDIStr))
|
||
|
|
{
|
||
|
|
CFArrayRef cfArray;
|
||
|
|
dict.GetArray (kParamMIDIStr, cfArray);
|
||
|
|
|
||
|
|
CACFArray array (cfArray, false);
|
||
|
|
|
||
|
|
UInt32 count = array.GetNumberItems();
|
||
|
|
if (count > inNumMappings)
|
||
|
|
count = inNumMappings;
|
||
|
|
|
||
|
|
for (unsigned int i = 0; i < count; ++i)
|
||
|
|
{
|
||
|
|
CFDictionaryRef paramsDictRef;
|
||
|
|
if (!array.GetDictionary(i, paramsDictRef))
|
||
|
|
return;
|
||
|
|
|
||
|
|
CAAUMIDIMap parameterMap;
|
||
|
|
parameterMap.Restore(paramsDictRef);
|
||
|
|
outMappings[i] = parameterMap;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|