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Diffstat (limited to 'libs/appleutility/CoreAudio/AudioCodecs/ACPublic/ACCodec.h')
| -rw-r--r-- | libs/appleutility/CoreAudio/AudioCodecs/ACPublic/ACCodec.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/libs/appleutility/CoreAudio/AudioCodecs/ACPublic/ACCodec.h b/libs/appleutility/CoreAudio/AudioCodecs/ACPublic/ACCodec.h new file mode 100644 index 0000000000..b0d93165ab --- /dev/null +++ b/libs/appleutility/CoreAudio/AudioCodecs/ACPublic/ACCodec.h @@ -0,0 +1,115 @@ +/* + File: ACCodec.h + Abstract: Part of CoreAudio Utility Classes + Version: 1.1 + + Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple + Inc. ("Apple") in consideration of your agreement to the following + terms, and your use, installation, modification or redistribution of + this Apple software constitutes acceptance of these terms. If you do + not agree with these terms, please do not use, install, modify or + redistribute this Apple software. + + In consideration of your agreement to abide by the following terms, and + subject to these terms, Apple grants you a personal, non-exclusive + license, under Apple's copyrights in this original Apple software (the + "Apple Software"), to use, reproduce, modify and redistribute the Apple + Software, with or without modifications, in source and/or binary forms; + provided that if you redistribute the Apple Software in its entirety and + without modifications, you must retain this notice and the following + text and disclaimers in all such redistributions of the Apple Software. + Neither the name, trademarks, service marks or logos of Apple Inc. may + be used to endorse or promote products derived from the Apple Software + without specific prior written permission from Apple. Except as + expressly stated in this notice, no other rights or licenses, express or + implied, are granted by Apple herein, including but not limited to any + patent rights that may be infringed by your derivative works or by other + works in which the Apple Software may be incorporated. + + The Apple Software is provided by Apple on an "AS IS" basis. APPLE + MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION + THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND + OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. + + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, + MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED + AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), + STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + Copyright (C) 2014 Apple Inc. All Rights Reserved. + +*/ +#if !defined(__ACCodec_h__) +#define __ACCodec_h__ + +//============================================================================= +// Includes +//============================================================================= + + + +#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__) + #include <AudioUnit/AudioCodec.h> +#else + #include "AudioCodec.h" +#endif + +#include "ComponentBase.h" + +//============================================================================= +// ACCodec +// +// A totally abstract base class for implementing components that conform to +// the AudioCodec API. +//============================================================================= + +class ACCodec : public ComponentBase +{ + +// Construction/Destruction +public: + ACCodec(AudioComponentInstance inInstance); + virtual ~ACCodec(); + +#if !CA_USE_AUDIO_PLUGIN_ONLY && !TARGET_OS_IPHONE + static OSStatus ComponentEntryDispatch(ComponentParameters *p, ACCodec *This); +#endif + +// Property Management +public: + virtual void GetPropertyInfo(AudioCodecPropertyID inPropertyID, UInt32& outSize, Boolean& outWritable) = 0; + virtual void GetProperty(AudioCodecPropertyID inPropertyID, UInt32& ioPropertyDataSize, void* outPropertyData) = 0; + virtual void SetProperty(AudioCodecPropertyID inPropertyID, UInt32 inPropertyDataSize, const void* inPropertyData) = 0; + +// Data Handling +public: + virtual void Initialize(const AudioStreamBasicDescription* inInputFormat, const AudioStreamBasicDescription* inOutputFormat, const void* inMagicCookie, UInt32 inMagicCookieByteSize) = 0; + virtual void Uninitialize() = 0; + virtual void Reset() = 0; + + virtual void AppendInputData(const void* inInputData, UInt32& ioInputDataByteSize, UInt32& ioNumberPackets, const AudioStreamPacketDescription* inPacketDescription) = 0; + virtual void AppendInputBufferList(const AudioBufferList *ioBufferList, UInt32& ioNumberPackets, const AudioStreamPacketDescription *inPacketDescription, UInt32 *outBytesConsumed) = 0; + + virtual UInt32 ProduceOutputPackets(void* outOutputData, UInt32& ioOutputDataByteSize, UInt32& ioNumberPackets, AudioStreamPacketDescription* outPacketDescription) = 0; + virtual UInt32 ProduceOutputBufferList(AudioBufferList *ioBufferList, UInt32& ioNumberPackets, AudioStreamPacketDescription *outPacketDescription) = 0; + +// Component Support +public: +// used internally + virtual bool ImplementsFeature(UInt32 feature) const = 0; +}; + +// when throwing static_cast to OSStatus so the catch will grab the error code correctly +#define CODEC_THROW(err) \ + throw static_cast<OSStatus>(err) + +#define CODEC_THROW_IF(cond, err) \ + if(bool(cond)) CODEC_THROW(err); + + +#endif |