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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "AudioNodeEngine.h"
#include "mozilla/AbstractThread.h"
#ifdef USE_NEON
# include "mozilla/arm.h"
# include "AudioNodeEngineNEON.h"
#endif
#ifdef USE_SSE2
# include "mozilla/SSE.h"
# include "AlignmentUtils.h"
# include "AudioNodeEngineSSE2.h"
#endif
#include "AudioBlock.h"
namespace mozilla {
already_AddRefed<ThreadSharedFloatArrayBufferList>
ThreadSharedFloatArrayBufferList::Create(uint32_t aChannelCount, size_t aLength,
const mozilla::fallible_t&) {
RefPtr<ThreadSharedFloatArrayBufferList> buffer =
new ThreadSharedFloatArrayBufferList(aChannelCount);
for (uint32_t i = 0; i < aChannelCount; ++i) {
float* channelData = js_pod_malloc<float>(aLength);
if (!channelData) {
return nullptr;
}
buffer->SetData(i, channelData, js_free, channelData);
}
return buffer.forget();
}
void WriteZeroesToAudioBlock(AudioBlock* aChunk, uint32_t aStart,
uint32_t aLength) {
MOZ_ASSERT(aStart + aLength <= WEBAUDIO_BLOCK_SIZE);
MOZ_ASSERT(!aChunk->IsNull(), "You should pass a non-null chunk");
if (aLength == 0) {
return;
}
for (uint32_t i = 0; i < aChunk->ChannelCount(); ++i) {
PodZero(aChunk->ChannelFloatsForWrite(i) + aStart, aLength);
}
}
void AudioBufferCopyWithScale(const float* aInput, float aScale, float* aOutput,
uint32_t aSize) {
if (aScale == 1.0f) {
PodCopy(aOutput, aInput, aSize);
} else {
for (uint32_t i = 0; i < aSize; ++i) {
aOutput[i] = aInput[i] * aScale;
}
}
}
void AudioBufferAddWithScale(const float* aInput, float aScale, float* aOutput,
uint32_t aSize) {
#ifdef USE_NEON
if (mozilla::supports_neon()) {
AudioBufferAddWithScale_NEON(aInput, aScale, aOutput, aSize);
return;
}
#endif
#ifdef USE_SSE2
if (mozilla::supports_sse2()) {
if (aScale == 1.0f) {
while (aSize && (!IS_ALIGNED16(aInput) || !IS_ALIGNED16(aOutput))) {
*aOutput += *aInput;
++aOutput;
++aInput;
--aSize;
}
} else {
while (aSize && (!IS_ALIGNED16(aInput) || !IS_ALIGNED16(aOutput))) {
*aOutput += *aInput * aScale;
++aOutput;
++aInput;
--aSize;
}
}
// we need to round aSize down to the nearest multiple of 16
uint32_t alignedSize = aSize & ~0x0F;
if (alignedSize > 0) {
AudioBufferAddWithScale_SSE(aInput, aScale, aOutput, alignedSize);
// adjust parameters for use with scalar operations below
aInput += alignedSize;
aOutput += alignedSize;
aSize -= alignedSize;
}
}
#endif
if (aScale == 1.0f) {
for (uint32_t i = 0; i < aSize; ++i) {
aOutput[i] += aInput[i];
}
} else {
for (uint32_t i = 0; i < aSize; ++i) {
aOutput[i] += aInput[i] * aScale;
}
}
}
void AudioBlockAddChannelWithScale(const float aInput[WEBAUDIO_BLOCK_SIZE],
float aScale,
float aOutput[WEBAUDIO_BLOCK_SIZE]) {
AudioBufferAddWithScale(aInput, aScale, aOutput, WEBAUDIO_BLOCK_SIZE);
}
void AudioBlockCopyChannelWithScale(const float* aInput, float aScale,
float* aOutput) {
if (aScale == 1.0f) {
memcpy(aOutput, aInput, WEBAUDIO_BLOCK_SIZE * sizeof(float));
} else {
#ifdef USE_NEON
if (mozilla::supports_neon()) {
AudioBlockCopyChannelWithScale_NEON(aInput, aScale, aOutput);
return;
}
#endif
#ifdef USE_SSE2
if (mozilla::supports_sse2()) {
AudioBlockCopyChannelWithScale_SSE(aInput, aScale, aOutput);
return;
}
#endif
for (uint32_t i = 0; i < WEBAUDIO_BLOCK_SIZE; ++i) {
aOutput[i] = aInput[i] * aScale;
}
}
}
void BufferComplexMultiply(const float* aInput, const float* aScale,
float* aOutput, uint32_t aSize) {
#ifdef USE_SSE2
if (mozilla::supports_sse()) {
BufferComplexMultiply_SSE(aInput, aScale, aOutput, aSize);
return;
}
#endif
for (uint32_t i = 0; i < aSize * 2; i += 2) {
float real1 = aInput[i];
float imag1 = aInput[i + 1];
float real2 = aScale[i];
float imag2 = aScale[i + 1];
float realResult = real1 * real2 - imag1 * imag2;
float imagResult = real1 * imag2 + imag1 * real2;
aOutput[i] = realResult;
aOutput[i + 1] = imagResult;
}
}
float AudioBufferPeakValue(const float* aInput, uint32_t aSize) {
float max = 0.0f;
for (uint32_t i = 0; i < aSize; i++) {
float mag = fabs(aInput[i]);
if (mag > max) {
max = mag;
}
}
return max;
}
void AudioBlockCopyChannelWithScale(const float aInput[WEBAUDIO_BLOCK_SIZE],
const float aScale[WEBAUDIO_BLOCK_SIZE],
float aOutput[WEBAUDIO_BLOCK_SIZE]) {
#ifdef USE_NEON
if (mozilla::supports_neon()) {
AudioBlockCopyChannelWithScale_NEON(aInput, aScale, aOutput);
return;
}
#endif
#ifdef USE_SSE2
if (mozilla::supports_sse2()) {
AudioBlockCopyChannelWithScale_SSE(aInput, aScale, aOutput);
return;
}
#endif
for (uint32_t i = 0; i < WEBAUDIO_BLOCK_SIZE; ++i) {
aOutput[i] = aInput[i] * aScale[i];
}
}
void AudioBlockInPlaceScale(float aBlock[WEBAUDIO_BLOCK_SIZE], float aScale) {
AudioBufferInPlaceScale(aBlock, aScale, WEBAUDIO_BLOCK_SIZE);
}
void AudioBlockInPlaceScale(float aBlock[WEBAUDIO_BLOCK_SIZE],
float aScale[WEBAUDIO_BLOCK_SIZE]) {
AudioBufferInPlaceScale(aBlock, aScale, WEBAUDIO_BLOCK_SIZE);
}
void AudioBufferInPlaceScale(float* aBlock, float aScale, uint32_t aSize) {
if (aScale == 1.0f) {
return;
}
#ifdef USE_NEON
if (mozilla::supports_neon()) {
AudioBufferInPlaceScale_NEON(aBlock, aScale, aSize);
return;
}
#endif
#ifdef USE_SSE2
if (mozilla::supports_sse2()) {
AudioBufferInPlaceScale_SSE(aBlock, aScale, aSize);
return;
}
#endif
for (uint32_t i = 0; i < aSize; ++i) {
*aBlock++ *= aScale;
}
}
void AudioBufferInPlaceScale(float* aBlock, float* aScale, uint32_t aSize) {
#ifdef USE_NEON
if (mozilla::supports_neon()) {
AudioBufferInPlaceScale_NEON(aBlock, aScale, aSize);
return;
}
#endif
#ifdef USE_SSE2
if (mozilla::supports_sse2()) {
AudioBufferInPlaceScale_SSE(aBlock, aScale, aSize);
return;
}
#endif
for (uint32_t i = 0; i < aSize; ++i) {
*aBlock++ *= *aScale++;
}
}
void AudioBlockPanMonoToStereo(const float aInput[WEBAUDIO_BLOCK_SIZE],
float aGainL[WEBAUDIO_BLOCK_SIZE],
float aGainR[WEBAUDIO_BLOCK_SIZE],
float aOutputL[WEBAUDIO_BLOCK_SIZE],
float aOutputR[WEBAUDIO_BLOCK_SIZE]) {
AudioBlockCopyChannelWithScale(aInput, aGainL, aOutputL);
AudioBlockCopyChannelWithScale(aInput, aGainR, aOutputR);
}
void AudioBlockPanMonoToStereo(const float aInput[WEBAUDIO_BLOCK_SIZE],
float aGainL, float aGainR,
float aOutputL[WEBAUDIO_BLOCK_SIZE],
float aOutputR[WEBAUDIO_BLOCK_SIZE]) {
AudioBlockCopyChannelWithScale(aInput, aGainL, aOutputL);
AudioBlockCopyChannelWithScale(aInput, aGainR, aOutputR);
}
void AudioBlockPanStereoToStereo(const float aInputL[WEBAUDIO_BLOCK_SIZE],
const float aInputR[WEBAUDIO_BLOCK_SIZE],
float aGainL, float aGainR, bool aIsOnTheLeft,
float aOutputL[WEBAUDIO_BLOCK_SIZE],
float aOutputR[WEBAUDIO_BLOCK_SIZE]) {
#ifdef USE_NEON
if (mozilla::supports_neon()) {
AudioBlockPanStereoToStereo_NEON(aInputL, aInputR, aGainL, aGainR,
aIsOnTheLeft, aOutputL, aOutputR);
return;
}
#endif
#ifdef USE_SSE2
if (mozilla::supports_sse2()) {
AudioBlockPanStereoToStereo_SSE(aInputL, aInputR, aGainL, aGainR,
aIsOnTheLeft, aOutputL, aOutputR);
return;
}
#endif
uint32_t i;
if (aIsOnTheLeft) {
for (i = 0; i < WEBAUDIO_BLOCK_SIZE; ++i) {
aOutputL[i] = aInputL[i] + aInputR[i] * aGainL;
aOutputR[i] = aInputR[i] * aGainR;
}
} else {
for (i = 0; i < WEBAUDIO_BLOCK_SIZE; ++i) {
aOutputL[i] = aInputL[i] * aGainL;
aOutputR[i] = aInputR[i] + aInputL[i] * aGainR;
}
}
}
void AudioBlockPanStereoToStereo(const float aInputL[WEBAUDIO_BLOCK_SIZE],
const float aInputR[WEBAUDIO_BLOCK_SIZE],
const float aGainL[WEBAUDIO_BLOCK_SIZE],
const float aGainR[WEBAUDIO_BLOCK_SIZE],
const bool aIsOnTheLeft[WEBAUDIO_BLOCK_SIZE],
float aOutputL[WEBAUDIO_BLOCK_SIZE],
float aOutputR[WEBAUDIO_BLOCK_SIZE]) {
#ifdef USE_NEON
if (mozilla::supports_neon()) {
AudioBlockPanStereoToStereo_NEON(aInputL, aInputR, aGainL, aGainR,
aIsOnTheLeft, aOutputL, aOutputR);
return;
}
#endif
uint32_t i;
for (i = 0; i < WEBAUDIO_BLOCK_SIZE; i++) {
if (aIsOnTheLeft[i]) {
aOutputL[i] = aInputL[i] + aInputR[i] * aGainL[i];
aOutputR[i] = aInputR[i] * aGainR[i];
} else {
aOutputL[i] = aInputL[i] * aGainL[i];
aOutputR[i] = aInputR[i] + aInputL[i] * aGainR[i];
}
}
}
float AudioBufferSumOfSquares(const float* aInput, uint32_t aLength) {
float sum = 0.0f;
#ifdef USE_SSE2
if (mozilla::supports_sse()) {
const float* alignedInput = ALIGNED16(aInput);
// use scalar operations for any unaligned data at the beginning
while (aInput != alignedInput) {
if (!aLength) {
return sum;
}
sum += *aInput * *aInput;
++aInput;
--aLength;
}
uint32_t vLength = (aLength >> 4) << 4;
sum += AudioBufferSumOfSquares_SSE(alignedInput, vLength);
// adjust aInput and aLength to use scalar operations for any
// remaining values
aInput = alignedInput + vLength;
aLength -= vLength;
}
#endif
while (aLength--) {
sum += *aInput * *aInput;
++aInput;
}
return sum;
}
void NaNToZeroInPlace(float* aSamples, size_t aCount) {
#ifdef USE_SSE2
if (mozilla::supports_sse2()) {
NaNToZeroInPlace_SSE(aSamples, aCount);
return;
}
#endif
for (size_t i = 0; i < aCount; i++) {
if (aSamples[i] != aSamples[i]) {
aSamples[i] = 0.0;
}
}
}
AudioNodeEngine::AudioNodeEngine(dom::AudioNode* aNode)
: mNode(aNode),
mNodeType(aNode ? aNode->NodeType() : nullptr),
mInputCount(aNode ? aNode->NumberOfInputs() : 1),
mOutputCount(aNode ? aNode->NumberOfOutputs() : 0),
mAbstractMainThread(aNode && aNode->GetAbstractMainThread()
? aNode->GetAbstractMainThread()
: AbstractThread::MainThread()) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_COUNT_CTOR(AudioNodeEngine);
}
void AudioNodeEngine::ProcessBlock(AudioNodeTrack* aTrack, GraphTime aFrom,
const AudioBlock& aInput,
AudioBlock* aOutput, bool* aFinished) {
MOZ_ASSERT(mInputCount <= 1 && mOutputCount <= 1);
*aOutput = aInput;
}
void AudioNodeEngine::ProcessBlocksOnPorts(AudioNodeTrack* aTrack,
GraphTime aFrom,
Span<const AudioBlock> aInput,
Span<AudioBlock> aOutput,
bool* aFinished) {
MOZ_ASSERT(mInputCount > 1 || mOutputCount > 1);
// Only produce one output port, and drop all other input ports.
aOutput[0] = aInput[0];
}
} // namespace mozilla