330 lines
10 KiB
C++
330 lines
10 KiB
C++
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/*
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File: ACCodec.cpp
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Abstract: ACCodec.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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//=============================================================================
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// Includes
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//=============================================================================
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#include "ACCodec.h"
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//=============================================================================
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// ACCodec
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//=============================================================================
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ACCodec::ACCodec(AudioComponentInstance inInstance) : ComponentBase(inInstance)
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{
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}
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ACCodec::~ACCodec()
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{
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}
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#if !CA_USE_AUDIO_PLUGIN_ONLY && !TARGET_OS_IPHONE
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#if TARGET_OS_MAC
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#if __LP64__
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// comp instance, parameters in forward order
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#define PARAM(_typ, _name, _index, _nparams) \
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_typ _name = *(_typ *)((void*)&inParameters->params[_index + 1]);
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#else
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// parameters in reverse order, then comp instance
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#define PARAM(_typ, _name, _index, _nparams) \
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_typ _name = *(_typ *)((void*)&inParameters->params[_nparams - 1 - _index]);
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#endif
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#elif TARGET_OS_WIN32
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// (no comp instance), parameters in forward order
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#define PARAM(_typ, _name, _index, _nparams) \
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_typ _name = *(_typ *)&inParameters->params[_index];
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#endif
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OSStatus ACCodec::ComponentEntryDispatch(ComponentParameters *inParameters, ACCodec *inThis)
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{
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OSStatus theError = kAudioCodecNoError;
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try
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{
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switch (inParameters->what)
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{
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// these selectors don't use the object pointer
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case kComponentOpenSelect:
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case kComponentCloseSelect:
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theError = ComponentBase::ComponentEntryDispatch(inParameters, inThis);
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break;
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case kComponentCanDoSelect:
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{
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switch (GetSelectorForCanDo(inParameters))
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{
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case kAudioCodecGetPropertyInfoSelect:
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case kAudioCodecGetPropertySelect:
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case kAudioCodecSetPropertySelect:
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case kAudioCodecInitializeSelect:
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case kAudioCodecUninitializeSelect: // was missing -- why?
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case kAudioCodecAppendInputDataSelect:
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case kAudioCodecProduceOutputDataSelect:
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case kAudioCodecResetSelect:
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theError = 1;
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break;
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default:
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theError = ComponentBase::ComponentEntryDispatch(inParameters, inThis);
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break;
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}
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}
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break;
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default:
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// these selectors use the object pointer
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if(inThis != NULL)
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{
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switch (inParameters->what)
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{
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case kComponentVersionSelect:
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theError = inThis->Version();
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break;
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case kAudioCodecGetPropertyInfoSelect:
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{
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PARAM(AudioCodecPropertyID, inPropertyID, 0, 3);
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PARAM(UInt32 *, outSize, 1, 3);
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PARAM(Boolean *, outWritable, 2, 3);
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UInt32 theSize = 0;
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Boolean isWritable = false;
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inThis->GetPropertyInfo(inPropertyID, theSize, isWritable);
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if(outSize != NULL)
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{
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*outSize = theSize;
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}
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if(outWritable != NULL)
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{
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*outWritable = isWritable ? 1 : 0;
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}
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}
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break;
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case kAudioCodecGetPropertySelect:
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{
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PARAM(AudioCodecPropertyID, inPropertyID, 0, 3);
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PARAM(UInt32 *, ioPropertyDataSize, 1, 3);
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PARAM(void *, outPropertyData, 2, 3);
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if((ioPropertyDataSize != NULL) && (outPropertyData != NULL))
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{
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inThis->GetProperty(inPropertyID, *ioPropertyDataSize, outPropertyData);
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}
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else
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{
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theError = kAudio_ParamError;
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}
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}
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break;
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case kAudioCodecSetPropertySelect:
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{
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PARAM(AudioCodecPropertyID, inPropertyID, 0, 3);
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PARAM(UInt32, inPropertyDataSize, 1, 3);
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PARAM(const void *, inPropertyData, 2, 3);
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if(inPropertyData != NULL)
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{
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inThis->SetProperty(inPropertyID, inPropertyDataSize, inPropertyData);
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}
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else
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{
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theError = kAudio_ParamError;
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}
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}
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break;
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case kAudioCodecInitializeSelect:
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{
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PARAM(const AudioStreamBasicDescription *, inInputFormat, 0, 4);
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PARAM(const AudioStreamBasicDescription *, inOutputFormat, 1, 4);
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PARAM(const void *, inMagicCookie, 2, 4);
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PARAM(UInt32, inMagicCookieByteSize, 3, 4);
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inThis->Initialize(inInputFormat, inOutputFormat, inMagicCookie, inMagicCookieByteSize);
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}
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break;
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case kAudioCodecUninitializeSelect:
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{
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inThis->Uninitialize();
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}
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break;
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case kAudioCodecAppendInputDataSelect:
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{
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PARAM(const void *, inInputData, 0, 4);
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PARAM(UInt32 *, ioInputDataByteSize, 1, 4);
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PARAM(UInt32 *, ioNumberPackets, 2, 4);
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PARAM(const AudioStreamPacketDescription *, inPacketDescription, 3, 4);
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if((inInputData != NULL) && (ioInputDataByteSize != NULL))
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{
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if(ioNumberPackets != NULL)
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{
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inThis->AppendInputData(inInputData, *ioInputDataByteSize, *ioNumberPackets, inPacketDescription);
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}
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else
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{
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UInt32 theNumberPackets = 0;
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inThis->AppendInputData(inInputData, *ioInputDataByteSize, theNumberPackets, inPacketDescription);
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}
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}
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else
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{
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theError = kAudio_ParamError;
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}
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}
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break;
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case kAudioCodecProduceOutputDataSelect:
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{
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PARAM(void *, outOutputData, 0, 5);
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PARAM(UInt32 *, ioOutputDataByteSize, 1, 5);
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PARAM(UInt32 *, ioNumberPackets, 2, 5);
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PARAM(AudioStreamPacketDescription *, outPacketDescription, 3, 5);
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PARAM(UInt32 *, outStatus, 4, 5);
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if((outOutputData != NULL) && (ioOutputDataByteSize != NULL) && (ioNumberPackets != NULL) && (outStatus != NULL))
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{
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*outStatus = inThis->ProduceOutputPackets(outOutputData, *ioOutputDataByteSize, *ioNumberPackets, outPacketDescription);
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if(kAudioCodecProduceOutputPacketFailure == *outStatus)
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{
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theError = kAudio_ParamError;
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}
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}
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else
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{
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theError = kAudio_ParamError;
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}
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}
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break;
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#if AC_NON_INTERLEAVED_SUPPORT
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case kAudioCodecAppendInputBufferListSelect:
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{
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PARAM(const AudioBufferList *, inBufferList, 0, 4);
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PARAM(UInt32 *, ioNumberPackets, 1, 4);
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PARAM(const AudioStreamPacketDescription *, inPacketDescription, 2, 4);
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PARAM(UInt32 *, outBytesConsumed, 3, 4);
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if((inBufferList != NULL) && (outBytesConsumed != NULL))
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{
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if(ioNumberPackets != NULL)
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{
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inThis->AppendInputBufferList(inBufferList, *ioNumberPackets, inPacketDescription, outBytesConsumed);
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}
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else
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{
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UInt32 theNumberPackets = 0;
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inThis->AppendInputBufferList(inBufferList, theNumberPackets, inPacketDescription, outBytesConsumed);
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}
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}
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else
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{
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theError = kAudio_ParamError;
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}
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}
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break;
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case kAudioCodecProduceOutputBufferListSelect:
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{
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PARAM(AudioBufferList *, ioBufferList, 0, 4);
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PARAM(UInt32 *, ioNumberPackets, 1, 4);
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PARAM(AudioStreamPacketDescription *, outPacketDescription, 2, 4);
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PARAM(UInt32 *, outStatus, 3, 4);
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if((ioBufferList != NULL) && (ioNumberPackets != NULL) && (outStatus != NULL))
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{
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*outStatus = inThis->ProduceOutputBufferList(ioBufferList, *ioNumberPackets, outPacketDescription);
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if(kAudioCodecProduceOutputPacketFailure == *outStatus)
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{
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theError = kAudio_ParamError;
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}
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}
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else
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{
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theError = kAudio_ParamError;
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}
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}
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break;
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#endif // AC_NON_INTERLEAVED_SUPPORT
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case kAudioCodecResetSelect:
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{
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inThis->Reset();
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}
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break;
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default:
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theError = badComponentSelector;
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break;
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};
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}
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else
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{
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theError = kAudio_ParamError;
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}
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break;
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};
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}
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catch(OSStatus inErrorCode)
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{
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theError = inErrorCode;
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}
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catch(...)
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{
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theError = kAudioCodecUnspecifiedError;
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}
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return theError;
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}
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#endif // !CA_USE_AUDIO_PLUGIN_ONLY && !TARGET_OS_IPHONE
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