/*
     File: ACPlugInDispatch.cpp
 Abstract: ACPlugInDispatch.h
  Version: 1.1
 
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*/
#if AUDIOCODECS_SUPPORT_PLUGINS
#include "ACPlugInDispatch.h"
#include "CAXException.h"
#include "ACCodec.h"
#include <new>

#define ACPI ((AudioComponentPlugInInstance *)self)
#define ACC	((ACCodec *)&ACPI->mInstanceStorage)

static OSStatus	GetPropertyInfo(void *self, AudioCodecPropertyID inPropertyID, UInt32 *outSize, Boolean *outWritable)
{
	OSStatus result = noErr;
	try {
		UInt32 size;
		Boolean writable;
		ACC->GetPropertyInfo(inPropertyID, size, writable);
		if (outSize) *outSize = size;
		if (outWritable) *outWritable = writable;
	}
	COMPONENT_CATCH
	return result;
}

static OSStatus	GetProperty(void *self, AudioCodecPropertyID inPropertyID, UInt32 *ioPropertyDataSize, void *outPropertyData)
{
	OSStatus result = noErr;
	try {
		ACC->GetProperty(inPropertyID, *ioPropertyDataSize, outPropertyData);
	}
	COMPONENT_CATCH
	return result;
}

static OSStatus	SetProperty(void *self, AudioCodecPropertyID inPropertyID, UInt32 inPropertyDataSize, const void *inPropertyData)
{
	OSStatus result = noErr;
	try {
		ACC->SetProperty(inPropertyID, inPropertyDataSize, inPropertyData);
	}
	COMPONENT_CATCH
	return result;
}


static OSStatus Initialize(void *self, const AudioStreamBasicDescription *inInputFormat, const AudioStreamBasicDescription *inOutputFormat, const void *inMagicCookie, UInt32 inMagicCookieByteSize)
{
	OSStatus result = noErr;
	try {
		ACC->Initialize(inInputFormat, inOutputFormat, inMagicCookie, inMagicCookieByteSize);
	}
	COMPONENT_CATCH
	return result;
}

static OSStatus Uninitialize(void *self)
{
	OSStatus result = noErr;
	try {
		ACC->Uninitialize();
	}
	COMPONENT_CATCH
	return result;
}

static OSStatus	AppendInputData(void *self, const void *inInputData, UInt32 *ioInputDataByteSize, UInt32 *ioNumberPackets, const AudioStreamPacketDescription *inPacketDescription)
{
	OSStatus result = noErr;
	try {
		UInt32 npackets = (ioNumberPackets != NULL) ? *ioNumberPackets : 0;
		ACC->AppendInputData(inInputData, *ioInputDataByteSize, npackets, inPacketDescription);
        if(ioNumberPackets != NULL)
            *ioNumberPackets = npackets;
	}
	COMPONENT_CATCH
	return result;
}

static OSStatus	ProduceOutputPackets(void *self, void *outOutputData, UInt32 *ioOutputDataByteSize, UInt32 *ioNumberPackets, AudioStreamPacketDescription *outPacketDescription, UInt32 *outStatus)
{
	OSStatus result = noErr;
	try {
		*outStatus = ACC->ProduceOutputPackets(outOutputData, *ioOutputDataByteSize, *ioNumberPackets, outPacketDescription);
		if (*outStatus == kAudioCodecProduceOutputPacketFailure)
			result = kAudio_ParamError;
	}
	COMPONENT_CATCH
	return result;
}

static OSStatus	Reset(void *self)
{
	OSStatus result = noErr;
	try {
		ACC->Reset();
	}
	COMPONENT_CATCH
	return result;
}

#if AC_NON_INTERLEAVED_SUPPORT
static OSStatus AppendInputBufferList(void *self, const AudioBufferList *ioBufferList, UInt32 *inNumberPackets, const AudioStreamPacketDescription *inPacketDescription, UInt32 *outBytesConsumed)
{
	OSStatus result = noErr;
	try {
		if((ioBufferList != NULL) && (outBytesConsumed != NULL))
		{
			if(inNumberPackets != NULL)
			{
				ACC->AppendInputBufferList(ioBufferList, *inNumberPackets, inPacketDescription, outBytesConsumed);
			}
			else
			{
				UInt32 theNumberPackets = 0;
				ACC->AppendInputBufferList(ioBufferList, theNumberPackets, inPacketDescription, outBytesConsumed);
			}
		}
		else
		{
			result = kAudio_ParamError;
		}
	}
	COMPONENT_CATCH
	return result;
}

static OSStatus ProduceOutputBufferList(void *self, AudioBufferList *ioBufferList, UInt32 *ioNumberPackets, AudioStreamPacketDescription *outPacketDescription, UInt32 *outStatus)
{
	OSStatus result = noErr;
	try {
		if((ioBufferList != NULL) && (ioNumberPackets != NULL) && (outStatus != NULL))
		{
			*outStatus = ACC->ProduceOutputBufferList(ioBufferList, *ioNumberPackets, outPacketDescription);
			if(kAudioCodecProduceOutputPacketFailure == *outStatus)
			{
				result = kAudio_ParamError;
			}
		}
		else
		{
			result = kAudio_ParamError;
		}
	}
	COMPONENT_CATCH
	return result;
}
#endif

#if TARGET_OS_IPHONE && AUDIOCONV_HAVE_AMC
// The ACTransformerCodecBase class is the base for ALL hardware codecs.
// No need to check for ImplementFeature...
#include "ACTransformerManager.h"
#define ACTM	((ACTransformerCodecBase*)&ACPI->mInstanceStorage)

static OSStatus	AcquireHardware(void *self)
{
	OSStatus result = noErr;
	try {
        ACTM->AcquireHardware();
	}
	COMPONENT_CATCH
	return result;
}

static OSStatus	ReleaseHardware(void *self)
{
	OSStatus result = noErr;
	try {
        ACTM->ReleaseHardware();
	}
	COMPONENT_CATCH
	return result;
}
#endif // TARGET_OS_IPHONE && AUDIOCONV_HAVE_AMC


AudioComponentMethod AudioCodecLookup::Lookup (SInt16 selector)
{
	switch (selector) {
		case kAudioCodecGetPropertyInfoSelect:			return (AudioComponentMethod)GetPropertyInfo;
		case kAudioCodecGetPropertySelect:				return (AudioComponentMethod)GetProperty;
		case kAudioCodecSetPropertySelect:				return (AudioComponentMethod)SetProperty;
		case kAudioCodecInitializeSelect:				return (AudioComponentMethod)Initialize;
		case kAudioCodecUninitializeSelect:				return (AudioComponentMethod)Uninitialize;
		case kAudioCodecAppendInputDataSelect:			return (AudioComponentMethod)AppendInputData;
		case kAudioCodecProduceOutputDataSelect:		return (AudioComponentMethod)ProduceOutputPackets;
		case kAudioCodecResetSelect:					return (AudioComponentMethod)Reset;
		default:
			break;
	}
	return NULL;
}

#if AC_NON_INTERLEAVED_SUPPORT
AudioComponentMethod AudioCodecNonInterleavedEncoderLookup::Lookup (SInt16 selector)
{
	AudioComponentMethod method = AudioCodecLookup::Lookup(selector);
	if (method)
		return method;
	
	if (selector == kAudioCodecAppendInputBufferListSelect)
		return (AudioComponentMethod)AppendInputBufferList;
	
	return NULL;
}

AudioComponentMethod AudioCodecNonInterleavedDecoderLookup::Lookup (SInt16 selector)
{
	AudioComponentMethod method = AudioCodecLookup::Lookup(selector);
	if (method)
		return method;
	
	if (selector == kAudioCodecProduceOutputBufferListSelect)
		return (AudioComponentMethod)ProduceOutputBufferList;
	
	return NULL;
}
#endif

#if TARGET_OS_IPHONE && AUDIOCONV_HAVE_AMC
#include "AudioCodecPriv.h"

AudioComponentMethod AudioCodecHWCodecLookup::Lookup (SInt16 selector)
{
	AudioComponentMethod method = AudioCodecLookup::Lookup(selector);
	if (method) return method;
	
	switch (selector) {
		case kAudioCodecAcquireHardwareSelect:			return (AudioComponentMethod)AcquireHardware;
		case kAudioCodecReleaseHardwareSelect:			return (AudioComponentMethod)ReleaseHardware;
		default:
			break;
	}
	return NULL;	
}
#endif // TARGET_OS_IPHONE && AUDIOCONV_HAVE_AMC

#endif // AUDIOCODECS_SUPPORT_PLUGINS