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/* Copyright: © Copyright 2004 Apple Computer, Inc. All rights reserved. |
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. |
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("Apple") in consideration of your agreement to the following terms, and your |
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use, installation, modification or redistribution of this Apple software |
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constitutes acceptance of these terms. If you do not agree with these terms, |
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please do not use, install, modify or redistribute this Apple software. |
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In consideration of your agreement to abide by the following terms, and subject |
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to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs |
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copyrights in this original Apple software (the "Apple Software"), to use, |
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reproduce, modify and redistribute the Apple Software, with or without |
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modifications, in source and/or binary forms; provided that if you redistribute |
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the Apple Software in its entirety and without modifications, you must retain |
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this notice and the following text and disclaimers in all such redistributions of |
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the Apple Software. Neither the name, trademarks, service marks or logos of |
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Apple Computer, Inc. may be used to endorse or promote products derived from the |
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Apple Software 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 implied, |
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are granted by Apple herein, including but not limited to any patent rights that |
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may be infringed by your derivative works or by other works in which the Apple |
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Software may be incorporated. |
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO |
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WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED |
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WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN |
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COMBINATION WITH YOUR PRODUCTS. |
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR |
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION |
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OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT |
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(INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN |
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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/*============================================================================= |
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SMACsdec.h |
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=============================================================================*/ |
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#if !defined(__SMACsdec_h__) |
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#define __SMACsdec_h__ |
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//============================================================================= |
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// Includes |
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//============================================================================= |
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#include <CAConditionalMacros.h> |
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#if TARGET_API_MAC_OSX && !USE_QTML_HEADERS |
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#include <Carbon/Carbon.h> |
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#else |
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#include <Sound.h> |
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#endif |
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#if TARGET_API_MAC_OSX |
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#include "CAMutex.h" |
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#endif |
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#include "AudioCodec.h" |
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#include <stdio.h> |
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//#define CaptureDataToFile 1 |
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//============================================================================= |
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// SMACsdec |
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//============================================================================= |
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class SMACsdec |
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{ |
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// Construction/Destruction |
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public: |
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SMACsdec(ComponentInstance inSelf); |
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virtual ~SMACsdec(); |
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// Sound Component Methods |
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public: |
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virtual void SetSource(SoundSource inSourceID, ComponentInstance inSourceComponent); |
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virtual void SetOutput(SoundComponentData* inRequested, SoundComponentData** inActual); |
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virtual void PlaySourceBuffer(SoundSource inSourceID, SoundParamBlock* inPB, SInt32 inActions); |
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virtual void StopSource(SInt16 inNumberSources, SoundSource* inSources); |
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virtual void GetInfo(SoundSource inSourceID, OSType inSelector, void* outData); |
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virtual void SetInfo(SoundSource inSourceID, OSType inSelector, void* inData); |
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virtual void GetSourceData(SoundComponentData** outData); |
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// Implementation |
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protected: |
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virtual void GetCompressionInfo(CompressionInfo& outCompressionInfo) = 0; |
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virtual void GetDecompressionParams(void* outData) = 0; |
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virtual ComponentInstance SetDecompressionParams(const void* inData) = 0; |
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virtual void GetCurrentInputPacket(void*& outPacketData, UInt32& outPacketDataSize, UInt32& outPacketDataFrameSize); |
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virtual void ConsumeCurrentInputPacket(UInt32 inPacketDataByteSize, UInt32 inPacketDataFrameSize); |
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ComponentInstance mSelf; |
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ComponentInstance mSourceComponent; |
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AudioCodec mDecoder; |
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SoundSource mSourceID; |
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SoundComponentData* mSourceData; |
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SoundComponentData mOutputData; |
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UInt32 mPacketFrameSize; |
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float * mFloatBuffer; |
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Byte* mOutputBuffer; |
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Boolean mHasAltiVec; |
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#if TARGET_API_MAC_OSX |
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CAMutex* mThreadStateMutex; |
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#endif |
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#if CaptureDataToFile |
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SInt16 mOutputFileRefNum; |
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#endif |
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#if USE_DIRECT_ADEC |
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protected: |
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// pure virtual interface to redirect audio codec calls thru derived class |
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virtual ComponentResult DirectAudioCodecVersion(AudioCodec inCodec) |
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= NULL; |
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virtual ComponentResult DirectAudioCodecGetPropertyInfo(AudioCodec inCodec, |
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AudioCodecPropertyID inPropertyID, |
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UInt32* outSize, |
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Boolean* outWritable) |
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= NULL; |
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virtual ComponentResult DirectAudioCodecGetProperty(AudioCodec inCodec, |
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AudioCodecPropertyID inPropertyID, |
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UInt32* ioPropertyDataSize, |
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void* outPropertyData) |
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= NULL; |
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virtual ComponentResult DirectAudioCodecSetProperty(AudioCodec inCodec, |
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AudioCodecPropertyID inPropertyID, |
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UInt32 inPropertyDataSize, |
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const void* inPropertyData) |
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= NULL; |
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virtual ComponentResult DirectAudioCodecInitialize(AudioCodec inCodec, |
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const AudioStreamBasicDescription* inInputFormat, |
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const AudioStreamBasicDescription* inOutputFormat, |
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const void* inMagicCookie, |
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UInt32 inMagicCookieByteSize) |
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= NULL; |
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virtual ComponentResult DirectAudioCodecUninitialize(AudioCodec inCodec) |
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= NULL; |
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virtual ComponentResult DirectAudioCodecAppendInputData(AudioCodec inCodec, |
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const void* inInputData, |
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UInt32* ioInputDataByteSize, |
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UInt32* ioNumberPackets, |
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const AudioStreamPacketDescription* inPacketDescription) |
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= NULL; |
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virtual ComponentResult DirectAudioCodecProduceOutputPackets(AudioCodec inCodec, |
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void* outOutputData, |
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UInt32* ioOutputDataByteSize, |
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UInt32* ioNumberPackets, |
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AudioStreamPacketDescription* outPacketDescription, |
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UInt32* outStatus) |
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= NULL; |
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virtual ComponentResult DirectAudioCodecReset(AudioCodec inCodec) |
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= NULL; |
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virtual ComponentResult DirectAudioCodecClose(AudioCodec inCodec) |
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{ return noErr; } // not pure virtual, because it's called in our destructor |
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#endif |
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}; |
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#endif |
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