111 lines
4.2 KiB
C++
111 lines
4.2 KiB
C++
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/*
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File: CAComponentDescription.cpp
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Abstract: CAComponentDescription.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 "CAComponentDescription.h"
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#include "CAStreamBasicDescription.h"
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#include <ctype.h>
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void CAShowComponentDescription(const AudioComponentDescription *desc)
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{
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CAComponentDescription::_CAShowComponentDescription (desc, stdout);
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}
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void CAComponentDescription::_CAShowComponentDescription(const AudioComponentDescription *desc, FILE* file)
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{
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if (desc)
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{
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char str[24];
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fprintf (file, "AudioComponentDescription: %s - ", CAStringForOSType(desc->componentType, str, sizeof(str)));
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fprintf (file, "%s - ", CAStringForOSType(desc->componentSubType, str, sizeof(str)));
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fprintf (file, "%s", CAStringForOSType(desc->componentManufacturer, str, sizeof(str)));
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fprintf (file, ", 0x%X, 0x%X\n", (int)desc->componentFlags, (int)desc->componentFlagsMask);
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}
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}
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CAComponentDescription::CAComponentDescription (OSType inType, OSType inSubtype, OSType inManu)
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{
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componentType = inType;
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componentSubType = inSubtype;
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componentManufacturer = inManu;
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componentFlags = 0;
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componentFlagsMask = 0;
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}
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bool CAComponentDescription::IsAU () const
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{
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bool flag = IsEffect() || IsMusicDevice() || IsOffline();
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if (flag) return true;
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switch (componentType) {
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case kAudioUnitType_Output:
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case kAudioUnitType_FormatConverter:
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case kAudioUnitType_Mixer:
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return true;
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}
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return false;
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}
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inline bool _MatchTest (const OSType &inTypeA, const OSType &inTypeB)
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{
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return ((inTypeA == inTypeB) || (!inTypeA && !inTypeB) || (inTypeA && !inTypeB) || (!inTypeA && inTypeB));
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}
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bool CAComponentDescription::Matches (const AudioComponentDescription &desc) const
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{
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bool matches = false;
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// see if the type matches
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matches = _MatchTest (componentType, desc.componentType);
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if (matches)
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matches = _MatchTest (componentSubType, desc.componentSubType);
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if (matches)
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matches = _MatchTest (componentManufacturer, desc.componentManufacturer);
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return matches;
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}
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