312 lines
12 KiB
C
312 lines
12 KiB
C
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/*
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File: AudioFileComponentBase.h
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Abstract: Part of CoreAudio Utility Classes
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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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#ifndef __AudioFileComponentBase_h__
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#define __AudioFileComponentBase_h__
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#include "ComponentBase.h"
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#include "AudioFileFormat.h"
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struct AudioFileComponentLookup {
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static AudioComponentMethod Lookup (SInt16 selector);
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};
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template <class Implementor>
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class AudioFileComponentFactory : public APFactory<AudioFileComponentLookup, Implementor>
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{
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};
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/* subclass, override AudioFileComponentBase() and GetAudioFormat() and that's it. */
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class AudioFileComponentBase : public ComponentBase
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{
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public:
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AudioFileComponentBase(AudioComponentInstance inInstance);
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virtual ~AudioFileComponentBase();
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virtual AudioFileFormatBase* GetAudioFileFormatBase() const = 0;
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/* Public API Function Support */
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virtual OSStatus AFAPI_CreateURL(
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CFURLRef inFileRef,
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const AudioStreamBasicDescription *inFormat,
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UInt32 inFlags) { return kAudio_UnimplementedError; }
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virtual OSStatus AFAPI_OpenURL(
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CFURLRef inFileRef,
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SInt8 inPermissions,
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int inFD) { return kAudio_UnimplementedError; }
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virtual OSStatus AFAPI_Create(
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const FSRef *inParentRef,
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CFStringRef inFileName,
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const AudioStreamBasicDescription *inFormat,
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UInt32 inFlags,
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FSRef *outNewFileRef) { return kAudio_UnimplementedError; }
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virtual OSStatus AFAPI_Initialize(
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const FSRef *inFileRef,
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const AudioStreamBasicDescription *inFormat,
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UInt32 inFlags) { return kAudio_UnimplementedError; }
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virtual OSStatus AFAPI_Open(
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const FSRef *inFileRef,
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SInt8 inPermissions,
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SInt16 inRefNum) { return kAudio_UnimplementedError; }
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virtual OSStatus AFAPI_OpenWithCallbacks(
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void * inRefCon,
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AudioFile_ReadProc inReadFunc,
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AudioFile_WriteProc inWriteFunc,
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AudioFile_GetSizeProc inGetSizeFunc,
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AudioFile_SetSizeProc inSetSizeFunc)=0;
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virtual OSStatus AFAPI_InitializeWithCallbacks(
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void * inRefCon,
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AudioFile_ReadProc inReadFunc,
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AudioFile_WriteProc inWriteFunc,
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AudioFile_GetSizeProc inGetSizeFunc,
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AudioFile_SetSizeProc inSetSizeFunc,
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UInt32 inFileType,
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const AudioStreamBasicDescription *inFormat,
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UInt32 inFlags)=0;
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virtual OSStatus AFAPI_Close()=0;
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virtual OSStatus AFAPI_Optimize()=0;
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virtual OSStatus AFAPI_ReadBytes( Boolean inUseCache,
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SInt64 inStartingByte,
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UInt32 *ioNumBytes,
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void *outBuffer)=0;
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virtual OSStatus AFAPI_WriteBytes( Boolean inUseCache,
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SInt64 inStartingByte,
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UInt32 *ioNumBytes,
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const void *inBuffer)=0;
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virtual OSStatus AFAPI_ReadPackets( Boolean inUseCache,
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UInt32 *outNumBytes,
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AudioStreamPacketDescription *outPacketDescriptions,
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SInt64 inStartingPacket,
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UInt32 *ioNumPackets,
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void *outBuffer)=0;
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virtual OSStatus AFAPI_ReadPacketData( Boolean inUseCache,
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UInt32 *ioNumBytes,
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AudioStreamPacketDescription *outPacketDescriptions,
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SInt64 inStartingPacket,
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UInt32 *ioNumPackets,
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void *outBuffer)=0;
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virtual OSStatus AFAPI_WritePackets( Boolean inUseCache,
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UInt32 inNumBytes,
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const AudioStreamPacketDescription *inPacketDescriptions,
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SInt64 inStartingPacket,
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UInt32 *ioNumPackets,
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const void *inBuffer)=0;
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virtual OSStatus AFAPI_GetPropertyInfo( AudioFilePropertyID inPropertyID,
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UInt32 *outDataSize,
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UInt32 *isWritable)=0;
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virtual OSStatus AFAPI_GetProperty( AudioFilePropertyID inPropertyID,
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UInt32 *ioDataSize,
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void *ioPropertyData)=0;
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virtual OSStatus AFAPI_SetProperty( AudioFilePropertyID inPropertyID,
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UInt32 inDataSize,
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const void *inPropertyData)=0;
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virtual OSStatus AFAPI_GetGlobalInfoSize(
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AudioFilePropertyID inPropertyID,
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UInt32 inSpecifierSize,
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const void* inSpecifier,
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UInt32 *outPropertySize);
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virtual OSStatus AFAPI_GetGlobalInfo(
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AudioFilePropertyID inPropertyID,
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UInt32 inSpecifierSize,
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const void* inSpecifier,
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UInt32 *ioPropertySize,
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void *ioPropertyData);
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virtual OSStatus AFAPI_CountUserData( UInt32 inUserDataID,
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UInt32 *outNumberItems)=0;
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virtual OSStatus AFAPI_GetUserDataSize( UInt32 inUserDataID,
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UInt32 inIndex,
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UInt32 *outDataSize)=0;
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virtual OSStatus AFAPI_GetUserData( UInt32 inUserDataID,
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UInt32 inIndex,
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UInt32 *ioDataSize,
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void *ioUserData)=0;
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virtual OSStatus AFAPI_SetUserData( UInt32 inUserDataID,
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UInt32 inIndex,
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UInt32 inDataSize,
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const void *inUserData)=0;
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virtual OSStatus AFAPI_RemoveUserData( UInt32 inUserDataID,
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UInt32 inIndex)=0;
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#if !CA_USE_AUDIO_PLUGIN_ONLY
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static OSStatus ComponentEntryDispatch(ComponentParameters *p, AudioFileComponentBase *This);
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#endif
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protected:
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};
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class AudioFileObjectComponentBase : public AudioFileComponentBase
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{
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public:
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AudioFileObjectComponentBase(AudioComponentInstance inInstance);
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virtual ~AudioFileObjectComponentBase();
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virtual AudioFileFormat* GetAudioFormat() const = 0;
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virtual AudioFileFormatBase* GetAudioFileFormatBase() const { return GetAudioFormat(); }
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void SetAudioFileObject(AudioFileObject* inObject) { mAudioFileObject = inObject; }
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/* Public API Function Support */
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virtual OSStatus AFAPI_CreateURL(
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CFURLRef inFileRef,
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const AudioStreamBasicDescription *inFormat,
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UInt32 inFlags);
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virtual OSStatus AFAPI_OpenURL(
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CFURLRef inFileRef,
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SInt8 inPermissions,
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int inFD);
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virtual OSStatus AFAPI_OpenWithCallbacks(
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void * inRefCon,
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AudioFile_ReadProc inReadFunc,
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AudioFile_WriteProc inWriteFunc,
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AudioFile_GetSizeProc inGetSizeFunc,
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AudioFile_SetSizeProc inSetSizeFunc);
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virtual OSStatus AFAPI_InitializeWithCallbacks(
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void * inRefCon,
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AudioFile_ReadProc inReadFunc,
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AudioFile_WriteProc inWriteFunc,
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AudioFile_GetSizeProc inGetSizeFunc,
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AudioFile_SetSizeProc inSetSizeFunc,
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UInt32 inFileType,
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const AudioStreamBasicDescription *inFormat,
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UInt32 inFlags);
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virtual OSStatus AFAPI_Close();
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virtual OSStatus AFAPI_Optimize();
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virtual OSStatus AFAPI_ReadBytes( Boolean inUseCache,
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SInt64 inStartingByte,
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UInt32 *ioNumBytes,
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void *outBuffer);
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virtual OSStatus AFAPI_WriteBytes( Boolean inUseCache,
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SInt64 inStartingByte,
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UInt32 *ioNumBytes,
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const void *inBuffer);
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virtual OSStatus AFAPI_ReadPackets( Boolean inUseCache,
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UInt32 *outNumBytes,
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AudioStreamPacketDescription *outPacketDescriptions,
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SInt64 inStartingPacket,
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UInt32 *ioNumPackets,
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void *outBuffer);
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virtual OSStatus AFAPI_ReadPacketData( Boolean inUseCache,
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UInt32 *ioNumBytes,
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AudioStreamPacketDescription *outPacketDescriptions,
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SInt64 inStartingPacket,
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UInt32 *ioNumPackets,
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void *outBuffer);
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virtual OSStatus AFAPI_WritePackets( Boolean inUseCache,
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UInt32 inNumBytes,
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const AudioStreamPacketDescription *inPacketDescriptions,
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SInt64 inStartingPacket,
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UInt32 *ioNumPackets,
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const void *inBuffer);
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virtual OSStatus AFAPI_GetPropertyInfo( AudioFilePropertyID inPropertyID,
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UInt32 *outDataSize,
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UInt32 *isWritable);
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virtual OSStatus AFAPI_GetProperty( AudioFilePropertyID inPropertyID,
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UInt32 *ioDataSize,
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void *ioPropertyData);
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virtual OSStatus AFAPI_SetProperty( AudioFilePropertyID inPropertyID,
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UInt32 inDataSize,
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const void *inPropertyData);
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virtual OSStatus AFAPI_CountUserData( UInt32 inUserDataID,
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UInt32 *outNumberItems);
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virtual OSStatus AFAPI_GetUserDataSize( UInt32 inUserDataID,
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UInt32 inIndex,
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UInt32 *outDataSize);
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virtual OSStatus AFAPI_GetUserData( UInt32 inUserDataID,
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UInt32 inIndex,
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UInt32 *ioDataSize,
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void *ioUserData);
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virtual OSStatus AFAPI_SetUserData( UInt32 inUserDataID,
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UInt32 inIndex,
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UInt32 inDataSize,
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const void *inUserData);
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virtual OSStatus AFAPI_RemoveUserData( UInt32 inUserDataID,
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UInt32 inIndex);
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protected:
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AudioFileObject* mAudioFileObject;
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};
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#endif
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