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/* FAudio - XAudio Reimplementation for FNA
*
* Copyright (c) 2011-2018 Ethan Lee, Luigi Auriemma, and the MonoGame Team
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from
* the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software in a
* product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*
* Ethan "flibitijibibo" Lee <flibitijibibo@flibitijibibo.com>
*
*/
#include "FAPOBase.h"
#include "FAudio_internal.h"
/* FAPOBase Interface */
void CreateFAPOBase(
FAPOBase *fapo,
const FAPORegistrationProperties *pRegistrationProperties,
uint8_t *pParameterBlocks,
uint32_t uParameterBlockByteSize,
uint8_t fProducer
) {
CreateFAPOBaseWithCustomAllocatorEXT(
fapo,
pRegistrationProperties,
pParameterBlocks,
uParameterBlockByteSize,
fProducer,
FAudio_malloc,
FAudio_free,
FAudio_realloc
);
}
void CreateFAPOBaseWithCustomAllocatorEXT(
FAPOBase *fapo,
const FAPORegistrationProperties *pRegistrationProperties,
uint8_t *pParameterBlocks,
uint32_t uParameterBlockByteSize,
uint8_t fProducer,
FAudioMallocFunc customMalloc,
FAudioFreeFunc customFree,
FAudioReallocFunc customRealloc
) {
/* Base Classes/Interfaces */
#define ASSIGN_VT(name) \
fapo->base.name = (name##Func) FAPOBase_##name;
ASSIGN_VT(AddRef)
ASSIGN_VT(Release)
ASSIGN_VT(GetRegistrationProperties)
ASSIGN_VT(IsInputFormatSupported)
ASSIGN_VT(IsOutputFormatSupported)
ASSIGN_VT(Initialize)
ASSIGN_VT(Reset)
ASSIGN_VT(LockForProcess)
ASSIGN_VT(UnlockForProcess)
ASSIGN_VT(CalcInputFrames)
ASSIGN_VT(CalcOutputFrames)
ASSIGN_VT(SetParameters)
ASSIGN_VT(GetParameters)
#undef ASSIGN_VT
/* Public Virtual Functions */
fapo->OnSetParameters = (OnSetParametersFunc)
FAPOBase_OnSetParameters;
/* Private Variables */
fapo->m_pRegistrationProperties = pRegistrationProperties; /* FIXME */
fapo->m_pfnMatrixMixFunction = NULL; /* FIXME */
fapo->m_pfl32MatrixCoefficients = NULL; /* FIXME */
fapo->m_nSrcFormatType = 0; /* FIXME */
fapo->m_fIsScalarMatrix = 0; /* FIXME: */
fapo->m_fIsLocked = 0;
fapo->m_pParameterBlocks = pParameterBlocks;
fapo->m_pCurrentParameters = pParameterBlocks;
fapo->m_pCurrentParametersInternal = pParameterBlocks;
fapo->m_uCurrentParametersIndex = 0;
fapo->m_uParameterBlockByteSize = uParameterBlockByteSize;
fapo->m_fNewerResultsReady = 0;
fapo->m_fProducer = fProducer;
/* Allocator Callbacks */
fapo->pMalloc = customMalloc;
fapo->pFree = customFree;
fapo->pRealloc = customRealloc;
/* Protected Variables */
fapo->m_lReferenceCount = 1;
}
int32_t FAPOBase_AddRef(FAPOBase *fapo)
{
fapo->m_lReferenceCount += 1;
return fapo->m_lReferenceCount;
}
int32_t FAPOBase_Release(FAPOBase *fapo)
{
fapo->m_lReferenceCount -= 1;
if (fapo->m_lReferenceCount == 0)
{
fapo->Destructor(fapo);
return 0;
}
return fapo->m_lReferenceCount;
}
uint32_t FAPOBase_GetRegistrationProperties(
FAPOBase *fapo,
FAPORegistrationProperties **ppRegistrationProperties
) {
*ppRegistrationProperties = (FAPORegistrationProperties*) fapo->pMalloc(
sizeof(FAPORegistrationProperties)
);
FAudio_memcpy(
*ppRegistrationProperties,
fapo->m_pRegistrationProperties,
sizeof(FAPORegistrationProperties)
);
return 0;
}
uint32_t FAPOBase_IsInputFormatSupported(
FAPOBase *fapo,
const FAudioWaveFormatEx *pOutputFormat,
const FAudioWaveFormatEx *pRequestedInputFormat,
FAudioWaveFormatEx **ppSupportedInputFormat
) {
if ( pRequestedInputFormat->wFormatTag != FAPOBASE_DEFAULT_FORMAT_TAG ||
pRequestedInputFormat->nChannels < FAPOBASE_DEFAULT_FORMAT_MIN_CHANNELS ||
pRequestedInputFormat->nChannels > FAPOBASE_DEFAULT_FORMAT_MAX_CHANNELS ||
pRequestedInputFormat->nSamplesPerSec < FAPOBASE_DEFAULT_FORMAT_MIN_FRAMERATE ||
pRequestedInputFormat->nSamplesPerSec > FAPOBASE_DEFAULT_FORMAT_MAX_FRAMERATE ||
pRequestedInputFormat->wBitsPerSample != FAPOBASE_DEFAULT_FORMAT_BITSPERSAMPLE )
{
if (ppSupportedInputFormat != NULL)
{
(*ppSupportedInputFormat)->wFormatTag =
FAPOBASE_DEFAULT_FORMAT_TAG;
(*ppSupportedInputFormat)->nChannels = FAudio_clamp(
pRequestedInputFormat->nChannels,
FAPOBASE_DEFAULT_FORMAT_MIN_CHANNELS,
FAPOBASE_DEFAULT_FORMAT_MAX_CHANNELS
);
(*ppSupportedInputFormat)->nSamplesPerSec = FAudio_clamp(
pRequestedInputFormat->nSamplesPerSec,
FAPOBASE_DEFAULT_FORMAT_MIN_FRAMERATE,
FAPOBASE_DEFAULT_FORMAT_MAX_FRAMERATE
);
(*ppSupportedInputFormat)->wBitsPerSample =
FAPOBASE_DEFAULT_FORMAT_BITSPERSAMPLE;
}
return FAPO_E_FORMAT_UNSUPPORTED;
}
return 0;
}
uint32_t FAPOBase_IsOutputFormatSupported(
FAPOBase *fapo,
const FAudioWaveFormatEx *pInputFormat,
const FAudioWaveFormatEx *pRequestedOutputFormat,
FAudioWaveFormatEx **ppSupportedOutputFormat
) {
if ( pRequestedOutputFormat->wFormatTag != FAPOBASE_DEFAULT_FORMAT_TAG ||
pRequestedOutputFormat->nChannels < FAPOBASE_DEFAULT_FORMAT_MIN_CHANNELS ||
pRequestedOutputFormat->nChannels > FAPOBASE_DEFAULT_FORMAT_MAX_CHANNELS ||
pRequestedOutputFormat->nSamplesPerSec < FAPOBASE_DEFAULT_FORMAT_MIN_FRAMERATE ||
pRequestedOutputFormat->nSamplesPerSec > FAPOBASE_DEFAULT_FORMAT_MAX_FRAMERATE ||
pRequestedOutputFormat->wBitsPerSample != FAPOBASE_DEFAULT_FORMAT_BITSPERSAMPLE )
{
if (ppSupportedOutputFormat != NULL)
{
(*ppSupportedOutputFormat)->wFormatTag =
FAPOBASE_DEFAULT_FORMAT_TAG;
(*ppSupportedOutputFormat)->nChannels = FAudio_clamp(
pRequestedOutputFormat->nChannels,
FAPOBASE_DEFAULT_FORMAT_MIN_CHANNELS,
FAPOBASE_DEFAULT_FORMAT_MAX_CHANNELS
);
(*ppSupportedOutputFormat)->nSamplesPerSec = FAudio_clamp(
pRequestedOutputFormat->nSamplesPerSec,
FAPOBASE_DEFAULT_FORMAT_MIN_FRAMERATE,
FAPOBASE_DEFAULT_FORMAT_MAX_FRAMERATE
);
(*ppSupportedOutputFormat)->wBitsPerSample =
FAPOBASE_DEFAULT_FORMAT_BITSPERSAMPLE;
}
return FAPO_E_FORMAT_UNSUPPORTED;
}
return 0;
}
uint32_t FAPOBase_Initialize(
FAPOBase *fapo,
const void* pData,
uint32_t DataByteSize
) {
return 0;
}
void FAPOBase_Reset(FAPOBase *fapo)
{
}
uint32_t FAPOBase_LockForProcess(
FAPOBase *fapo,
uint32_t InputLockedParameterCount,
const FAPOLockForProcessBufferParameters *pInputLockedParameters,
uint32_t OutputLockedParameterCount,
const FAPOLockForProcessBufferParameters *pOutputLockedParameters
) {
/* Verify parameter counts... */
if ( InputLockedParameterCount < fapo->m_pRegistrationProperties->MinInputBufferCount ||
InputLockedParameterCount > fapo->m_pRegistrationProperties->MaxInputBufferCount ||
OutputLockedParameterCount < fapo->m_pRegistrationProperties->MinOutputBufferCount ||
OutputLockedParameterCount > fapo->m_pRegistrationProperties->MaxOutputBufferCount )
{
return FAUDIO_E_INVALID_ARG;
}
/* Validate input/output formats */
#define VERIFY_FORMAT_FLAG(flag, prop) \
if ( (fapo->m_pRegistrationProperties->Flags & flag) && \
(pInputLockedParameters->pFormat->prop != pOutputLockedParameters->pFormat->prop) ) \
{ \
return FAUDIO_E_INVALID_ARG; \
}
VERIFY_FORMAT_FLAG(FAPO_FLAG_CHANNELS_MUST_MATCH, nChannels)
VERIFY_FORMAT_FLAG(FAPO_FLAG_FRAMERATE_MUST_MATCH, nSamplesPerSec)
VERIFY_FORMAT_FLAG(FAPO_FLAG_BITSPERSAMPLE_MUST_MATCH, wBitsPerSample)
#undef VERIFY_FORMAT_FLAG
if ( (fapo->m_pRegistrationProperties->Flags & FAPO_FLAG_BUFFERCOUNT_MUST_MATCH) &&
(InputLockedParameterCount != OutputLockedParameterCount) )
{
return FAUDIO_E_INVALID_ARG;
}
fapo->m_fIsLocked = 1;
return 0;
}
void FAPOBase_UnlockForProcess(FAPOBase *fapo)
{
fapo->m_fIsLocked = 0;
}
uint32_t FAPOBase_CalcInputFrames(FAPOBase *fapo, uint32_t OutputFrameCount)
{
return OutputFrameCount;
}
uint32_t FAPOBase_CalcOutputFrames(FAPOBase *fapo, uint32_t InputFrameCount)
{
return InputFrameCount;
}
uint32_t FAPOBase_ValidateFormatDefault(
FAPOBase *fapo,
FAudioWaveFormatEx *pFormat,
uint8_t fOverwrite
) {
if ( pFormat->wFormatTag != FAPOBASE_DEFAULT_FORMAT_TAG ||
pFormat->nChannels < FAPOBASE_DEFAULT_FORMAT_MIN_CHANNELS ||
pFormat->nChannels > FAPOBASE_DEFAULT_FORMAT_MAX_CHANNELS ||
pFormat->nSamplesPerSec < FAPOBASE_DEFAULT_FORMAT_MIN_FRAMERATE ||
pFormat->nSamplesPerSec > FAPOBASE_DEFAULT_FORMAT_MAX_FRAMERATE ||
pFormat->wBitsPerSample != FAPOBASE_DEFAULT_FORMAT_BITSPERSAMPLE )
{
if (fOverwrite)
{
pFormat->wFormatTag =
FAPOBASE_DEFAULT_FORMAT_TAG;
pFormat->nChannels = FAudio_clamp(
pFormat->nChannels,
FAPOBASE_DEFAULT_FORMAT_MIN_CHANNELS,
FAPOBASE_DEFAULT_FORMAT_MAX_CHANNELS
);
pFormat->nSamplesPerSec = FAudio_clamp(
pFormat->nSamplesPerSec,
FAPOBASE_DEFAULT_FORMAT_MIN_FRAMERATE,
FAPOBASE_DEFAULT_FORMAT_MAX_FRAMERATE
);
pFormat->wBitsPerSample =
FAPOBASE_DEFAULT_FORMAT_BITSPERSAMPLE;
}
return FAPO_E_FORMAT_UNSUPPORTED;
}
return 0;
}
uint32_t FAPOBase_ValidateFormatPair(
FAPOBase *fapo,
const FAudioWaveFormatEx *pSupportedFormat,
FAudioWaveFormatEx *pRequestedFormat,
uint8_t fOverwrite
) {
if ( pRequestedFormat->wFormatTag != FAPOBASE_DEFAULT_FORMAT_TAG ||
pRequestedFormat->nChannels < FAPOBASE_DEFAULT_FORMAT_MIN_CHANNELS ||
pRequestedFormat->nChannels > FAPOBASE_DEFAULT_FORMAT_MAX_CHANNELS ||
pRequestedFormat->nSamplesPerSec < FAPOBASE_DEFAULT_FORMAT_MIN_FRAMERATE ||
pRequestedFormat->nSamplesPerSec > FAPOBASE_DEFAULT_FORMAT_MAX_FRAMERATE ||
pRequestedFormat->wBitsPerSample != FAPOBASE_DEFAULT_FORMAT_BITSPERSAMPLE )
{
if (fOverwrite)
{
pRequestedFormat->wFormatTag =
FAPOBASE_DEFAULT_FORMAT_TAG;
pRequestedFormat->nChannels = FAudio_clamp(
pRequestedFormat->nChannels,
FAPOBASE_DEFAULT_FORMAT_MIN_CHANNELS,
FAPOBASE_DEFAULT_FORMAT_MAX_CHANNELS
);
pRequestedFormat->nSamplesPerSec = FAudio_clamp(
pRequestedFormat->nSamplesPerSec,
FAPOBASE_DEFAULT_FORMAT_MIN_FRAMERATE,
FAPOBASE_DEFAULT_FORMAT_MAX_FRAMERATE
);
pRequestedFormat->wBitsPerSample =
FAPOBASE_DEFAULT_FORMAT_BITSPERSAMPLE;
}
return FAPO_E_FORMAT_UNSUPPORTED;
}
return 0;
}
void FAPOBase_ProcessThru(
FAPOBase *fapo,
void* pInputBuffer,
float *pOutputBuffer,
uint32_t FrameCount,
uint16_t InputChannelCount,
uint16_t OutputChannelCount,
uint8_t MixWithOutput
) {
uint32_t i, co, ci;
float *input = (float*) pInputBuffer;
if (MixWithOutput)
{
/* TODO: SSE */
for (i = 0; i < FrameCount; i += 1)
for (co = 0; co < OutputChannelCount; co += 1)
for (ci = 0; ci < InputChannelCount; ci += 1)
{
/* Add, don't overwrite! */
pOutputBuffer[i * OutputChannelCount + co] +=
input[i * InputChannelCount + ci];
pOutputBuffer[i * OutputChannelCount + co] = FAudio_clamp(
pOutputBuffer[i * OutputChannelCount + co],
-FAUDIO_MAX_VOLUME_LEVEL,
FAUDIO_MAX_VOLUME_LEVEL
);
}
}
else
{
/* TODO: SSE */
for (i = 0; i < FrameCount; i += 1)
for (co = 0; co < OutputChannelCount; co += 1)
for (ci = 0; ci < InputChannelCount; ci += 1)
{
/* Overwrite, don't add! */
pOutputBuffer[i * OutputChannelCount + co] =
input[i * InputChannelCount + ci];
pOutputBuffer[i * OutputChannelCount + co] = FAudio_clamp(
pOutputBuffer[i * OutputChannelCount + co],
-FAUDIO_MAX_VOLUME_LEVEL,
FAUDIO_MAX_VOLUME_LEVEL
);
}
}
}
void FAPOBase_SetParameters(
FAPOBase *fapo,
const void* pParameters,
uint32_t ParameterByteSize
) {
FAudio_assert(!fapo->m_fProducer);
/* User callback for validation */
fapo->OnSetParameters(
fapo,
pParameters,
ParameterByteSize
);
/* Increment parameter block index... */
fapo->m_uCurrentParametersIndex += 1;
if (fapo->m_uCurrentParametersIndex == 3)
{
fapo->m_uCurrentParametersIndex = 0;
}
fapo->m_pCurrentParametersInternal = fapo->m_pParameterBlocks + (
fapo->m_uParameterBlockByteSize *
fapo->m_uCurrentParametersIndex
);
/* Copy to what will eventually be the next parameter update */
FAudio_memcpy(
fapo->m_pCurrentParametersInternal,
pParameters,
ParameterByteSize
);
}
void FAPOBase_GetParameters(
FAPOBase *fapo,
void* pParameters,
uint32_t ParameterByteSize
) {
/* Copy what's current as of the last Process */
FAudio_memcpy(
pParameters,
fapo->m_pCurrentParameters,
ParameterByteSize
);
}
void FAPOBase_OnSetParameters(
FAPOBase *fapo,
const void* parameters,
uint32_t parametersSize
) {
}
uint8_t FAPOBase_ParametersChanged(FAPOBase *fapo)
{
/* Internal will get updated when SetParameters is called */
return fapo->m_pCurrentParametersInternal != fapo->m_pCurrentParameters;
}
uint8_t* FAPOBase_BeginProcess(FAPOBase *fapo)
{
/* Set the latest block as "current", this is what Process will use now */
fapo->m_pCurrentParameters = fapo->m_pCurrentParametersInternal;
return fapo->m_pCurrentParameters;
}
void FAPOBase_EndProcess(FAPOBase *fapo)
{
/* I'm 100% sure my parameter block increment is wrong... */
}
/* vim: set noexpandtab shiftwidth=8 tabstop=8: */
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