Add two headers.

This commit is contained in:
Steve Checkoway
2004-03-24 17:14:49 +00:00
parent 20eb3e1d6d
commit b3062e7c5a
2 changed files with 289 additions and 0 deletions
@@ -0,0 +1,71 @@
/* Copyright: © Copyright 2003 Apple Computer, Inc. All rights reserved.
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, 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 AppleÕs
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 Computer, 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.
*/
/*=============================================================================
CAConditionalMacros.h
=============================================================================*/
#if !defined(__CAConditionalMacros_h__)
#define __CAConditionalMacros_h__
//=============================================================================
// This file exists to make figuring out how to include system headers
// easier in a cross platform world. We throw in an include of the standard
// ConditionalMacros too.
//=============================================================================
// TargetConditionals.h defines the bare minimum we need
#include "TargetConditionals.h"
// Determine whether or not to use framework style includes for system headers
#if !defined(CoreAudio_Use_Framework_Includes)
#if TARGET_OS_MAC && TARGET_RT_MAC_MACHO
#define CoreAudio_Use_Framework_Includes 1
#else
#define CoreAudio_Use_Framework_Includes 0
#endif
#endif
// Include the regular ConditionalMacros.h too, since it has useful stuff that
// TargetConditionals.h lacks for some reason.
#if CoreAudio_Use_Framework_Includes
#include <CoreServices/../Frameworks/CarbonCore.framework/Headers/ConditionalMacros.h>
#else
#include "ConditionalMacros.h"
#endif
#endif
@@ -0,0 +1,218 @@
/* Copyright: © Copyright 2003 Apple Computer, Inc. All rights reserved.
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, 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 AppleÕs
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 Computer, 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.
*/
/*=============================================================================
FormatConverterClient.h
=============================================================================*/
#ifndef __FormatConverterClient_h__
#define __FormatConverterClient_h__
#include <AudioToolbox/AudioConverter.h>
#include <vector>
extern "C" void CAShow(void *);
// ____________________________________________________________________________
//
// FormatConverterClient
// C++ wrapper for an AudioConverter
class FormatConverterClient {
public:
FormatConverterClient() :
mConverter(NULL)
{
}
// ONLY NEEDED FOR Puma build - should be removed....
FormatConverterClient(const AudioStreamBasicDescription &src, const AudioStreamBasicDescription &dest) :
mConverter(NULL)
{
Initialize(src, dest);
}
virtual ~FormatConverterClient()
{
Destroy();
}
virtual OSStatus Initialize(const AudioStreamBasicDescription &src, const AudioStreamBasicDescription &dest)
{
OSStatus err;
Destroy();
err = AudioConverterNew(&src, &dest, &mConverter);
if (err) return err;
mInputFormat = src;
mOutputFormat = dest;
return noErr;
}
void Destroy()
{
if (mConverter) {
AudioConverterDispose(mConverter);
mConverter = NULL;
}
}
OSStatus Reset () const { return (mConverter ? AudioConverterReset (mConverter) : noErr); }
OSStatus SetProperty(AudioConverterPropertyID inPropertyID,
UInt32 inPropertyDataSize,
const void * inPropertyData)
{
return AudioConverterSetProperty(mConverter, inPropertyID, inPropertyDataSize, inPropertyData);
}
OSStatus GetProperty(AudioConverterPropertyID inPropertyID,
UInt32 & ioPropertyDataSize,
void * outPropertyData)
{
return AudioConverterGetProperty(mConverter, inPropertyID, &ioPropertyDataSize, outPropertyData);
}
OSStatus GetPropertyInfo(AudioConverterPropertyID inPropertyID,
UInt32 & outPropertyDataSize,
Boolean & outWritable)
{
return AudioConverterGetPropertyInfo(mConverter, inPropertyID, &outPropertyDataSize, &outWritable);
}
void SetQuality(UInt32 inQuality)
{
SetProperty(kAudioConverterSampleRateConverterQuality, sizeof(UInt32), &inQuality );
}
#if 0
OSStatus ConvertBuffer(void *src, UInt32 srcSize, void *dest, UInt32 destSize)
{
OSStatus err;
verify_noerr(err = AudioConverterConvertBuffer(mConverter, srcSize, src, &destSize, dest));
return err;
}
OSStatus FillBuffer( UInt32& ioOutputDataSize,
void* outOutputData)
{
OSStatus err;
verify_noerr(err = AudioConverterFillBuffer(mConverter, InputProc, this, &ioOutputDataSize, outOutputData));
return err;
}
#endif
OSStatus FillComplexBuffer( UInt32 & ioOutputDataPacketSize,
AudioBufferList & outOutputData,
AudioStreamPacketDescription* outPacketDescription)
{
OSStatus err;
err = AudioConverterFillComplexBuffer(mConverter, InputProc, this,
&ioOutputDataPacketSize, &outOutputData, outPacketDescription);
//printf("\n\nFillComplexBuffer returned %ld packets\n", ioOutputDataPacketSize);
//DumpBufferList(outOutputData);
return err;
}
const AudioStreamBasicDescription & GetInputFormat() { return mInputFormat; }
const AudioStreamBasicDescription & GetOutputFormat() { return mOutputFormat; }
protected:
virtual OSStatus FormatConverterInputProc(
UInt32 & ioNumberDataPackets,
AudioBufferList & ioData,
AudioStreamPacketDescription** outDataPacketDescription) = 0;
private:
static OSStatus InputProc( AudioConverterRef inAudioConverter,
UInt32* ioNumberDataPackets,
AudioBufferList* ioData,
AudioStreamPacketDescription** outDataPacketDescription,
void* inUserData)
{
OSStatus err;
try {
FormatConverterClient *This = (FormatConverterClient *)inUserData;
AudioBuffer *buf = ioData->mBuffers;
UInt32 nBytes = *ioNumberDataPackets * This->mInputFormat.mBytesPerPacket;
for (UInt32 i = ioData->mNumberBuffers; i--; ++buf) {
buf->mDataByteSize = nBytes;
}
//printf("\n\nInputProc - %ld packets, %ld bytes\n", *ioNumberDataPackets, nBytes);
err = This->FormatConverterInputProc(*ioNumberDataPackets, *ioData, outDataPacketDescription);
//DumpBufferList(*ioData);
} catch (OSStatus err) {
return err;
}
catch (...) {
return -1;
}
return err;
}
#if DEBUG
public:
void Show()
{
CAShow(mConverter);
}
static void DumpBufferList(AudioBufferList &abl)
{
printf("%ld buffers:\n", abl.mNumberBuffers);
AudioBuffer *buf = abl.mBuffers;
for (UInt32 i = 0; i < abl.mNumberBuffers; ++i, ++buf) {
printf("buffer[%ld]:\n", i);
DumpBuffer(buf);
}
}
static void DumpBuffer(AudioBuffer *buf)
{
printf(" channels=%ld, ptr=0x%X, size=%ld\n", buf->mNumberChannels, int(buf->mData), buf->mDataByteSize);
Float32 *p = static_cast<Float32 *>(buf->mData);
for (int i = buf->mDataByteSize / sizeof(Float32); i--; ++p)
printf("%f\n", *p);
}
#endif
protected:
AudioConverterRef mConverter;
AudioStreamBasicDescription mInputFormat, mOutputFormat;
};
#endif // __FormatConverterClient_h__