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- minor cleanups

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This commit is contained in:
dmytro.bogovych
2019-01-31 12:28:33 +03:00
parent 694ced4d25
commit d535e5312b
7 changed files with 55 additions and 42 deletions
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8
src/engine/audio/Audio_DevicePair.cpp
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@@ -135,9 +135,9 @@ void DevicePair::onMicData(const Format& f, const void* buffer, int length)
for (int blockIndex = 0; blockIndex < blocks; blockIndex++)
{
int wasProcessed = 0;
size_t wasProcessed = 0;
int wasProduced = mMicResampler.resample(f.mRate, // Source rate
size_t wasProduced = mMicResampler.resample(f.mRate, // Source rate
mInputResampingData.data(), // Source data
(int)f.sizeFromTime(AUDIO_MIC_BUFFER_LENGTH), // Source size
wasProcessed,
@@ -196,8 +196,8 @@ void DevicePair::onSpkData(const Format& f, void* buffer, int length)
mAecSpkBuffer.add(mOutput10msBuffer.data(), mOutput10msBuffer.capacity());
// Resample these 10 milliseconds it to native format
int wasProcessed = 0;
int wasProduced = mSpkResampler.resample(AUDIO_SAMPLERATE, mOutput10msBuffer.data(), mOutput10msBuffer.capacity(), wasProcessed, f.mRate,
size_t wasProcessed = 0;
size_t wasProduced = mSpkResampler.resample(AUDIO_SAMPLERATE, mOutput10msBuffer.data(), mOutput10msBuffer.capacity(), wasProcessed, f.mRate,
mOutputNativeData.mutableData() + mOutputNativeData.filled(), mOutputNativeData.capacity() - mOutputNativeData.filled());
mOutputNativeData.setFilled(mOutputNativeData.filled() + wasProduced);
#ifdef CONSOLE_LOGGING

4
src/engine/audio/Audio_Mixer.cpp
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@@ -69,12 +69,12 @@ void Mixer::Stream::setActive(bool active)
void Mixer::Stream::addPcm(int rate, const void* input, int length)
{
// Resample to internal sample rate
unsigned outputSize = unsigned(0.5 + length * ((float)AUDIO_SAMPLERATE / rate));
size_t outputSize = size_t(0.5 + length * ((float)AUDIO_SAMPLERATE / rate));
if (mTempBuffer.size() < outputSize)
mTempBuffer.resize(outputSize);
Resampler* resampler = (rate == 8000) ? &mResampler8 : ((rate == 16000) ? &mResampler16 : ((rate == 32000) ? &mResampler32 : &mResampler48));
int inputProcessed = 0;
size_t inputProcessed = 0;
resampler->processBuffer(input, length, inputProcessed, mTempBuffer.mutableData(), outputSize);
// inputProcessed result value is ignored here - rate will be 8/16/32/48k, inputProcessed is equal to length

45
src/engine/audio/Audio_Resampler.cpp
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@@ -54,21 +54,22 @@ SpeexResampler::~SpeexResampler()
stop();
}
int SpeexResampler::processBuffer(const void* src, int sourceLength, int& sourceProcessed, void* dest, int destCapacity)
size_t SpeexResampler::processBuffer(const void* src, size_t sourceLength, size_t& sourceProcessed, void* dest, size_t destCapacity)
{
assert(mSourceRate != 0 && mDestRate != 0);
if (mDestRate == mSourceRate)
{
assert(destCapacity >= sourceLength);
memcpy(dest, src, (size_t)sourceLength);
memcpy(dest, src, sourceLength);
sourceProcessed = sourceLength;
return sourceLength;
}
if (!mContext)
{
mContext = speex_resampler_init(mChannels, mSourceRate, mDestRate, AUDIO_RESAMPLER_QUALITY, &mErrorCode);
mContext = speex_resampler_init(mChannels, mSourceRate, mDestRate,
AUDIO_RESAMPLER_QUALITY, &mErrorCode);
if (!mContext)
return 0;
}
@@ -83,20 +84,27 @@ int SpeexResampler::processBuffer(const void* src, int sourceLength, int& source
return 0;
}
unsigned outLen = getDestLength(sourceLength);
if (outLen > (unsigned)destCapacity)
size_t outLen = getDestLength(sourceLength);
if (outLen > destCapacity)
return 0; // Skip resampling if not enough space
assert((unsigned)destCapacity >= outLen);
assert(destCapacity >= outLen);
// Calculate number of samples - input length is in bytes
unsigned inLen = sourceLength / (sizeof(short) * mChannels);
outLen /= sizeof(short) * mChannels;
assert(mContext != NULL);
int speexCode = speex_resampler_process_interleaved_int((SpeexResamplerState *)mContext, (spx_int16_t*)src, &inLen,
(spx_int16_t*)dest, &outLen);
spx_uint32_t in_len = static_cast<spx_uint32_t>(inLen),
out_len = static_cast<spx_uint32_t>(outLen);
int speexCode = speex_resampler_process_interleaved_int((SpeexResamplerState *)mContext,
(spx_int16_t*)src, &in_len,
(spx_int16_t*)dest, &out_len);
assert(speexCode == RESAMPLER_ERR_SUCCESS);
inLen = static_cast<size_t>(in_len);
outLen = static_cast<size_t>(out_len);
// Return results in bytes
sourceProcessed = inLen * sizeof(short) * mChannels;
return outLen * sizeof(short) * mChannels;
@@ -112,18 +120,18 @@ int SpeexResampler::destRate()
return mDestRate;
}
int SpeexResampler::getDestLength(int sourceLen)
size_t SpeexResampler::getDestLength(size_t sourceLen)
{
return int(sourceLen * (float(mDestRate) / mSourceRate) + 0.5) / 2 * 2;
return size_t(sourceLen * (float(mDestRate) / mSourceRate) + 0.5f) / 2 * 2;
}
int SpeexResampler::getSourceLength(int destLen)
size_t SpeexResampler::getSourceLength(size_t destLen)
{
return int(destLen * (float(mSourceRate) / mDestRate) + 0.5) / 2 * 2;
return size_t(destLen * (float(mSourceRate) / mDestRate) + 0.5f) / 2 * 2;
}
// Returns instance + speex resampler size in bytes
int SpeexResampler::getSize() const
size_t SpeexResampler::getSize() const
{
return sizeof(*this) + 200; // 200 is approximate size of speex resample structure
}
@@ -214,14 +222,15 @@ UniversalResampler::~UniversalResampler()
}
int UniversalResampler::resample(int sourceRate, const void *sourceBuffer, int sourceLength, int& sourceProcessed, int destRate, void *destBuffer, int destCapacity)
size_t UniversalResampler::resample(int sourceRate, const void *sourceBuffer, size_t sourceLength,
size_t& sourceProcessed, int destRate, void *destBuffer, size_t destCapacity)
{
assert(destBuffer && sourceBuffer);
int result;
size_t result;
if (sourceRate == destRate)
{
assert(destCapacity >= sourceLength);
memcpy(destBuffer, sourceBuffer, (size_t)sourceLength);
memcpy(destBuffer, sourceBuffer, sourceLength);
sourceProcessed = sourceLength;
result = sourceLength;
}
@@ -238,7 +247,7 @@ void UniversalResampler::preload()
}
int UniversalResampler::getDestLength(int sourceRate, int destRate, int sourceLength)
size_t UniversalResampler::getDestLength(int sourceRate, int destRate, size_t sourceLength)
{
if (sourceRate == destRate)
return sourceLength;
@@ -246,7 +255,7 @@ int UniversalResampler::getDestLength(int sourceRate, int destRate, int sourceLe
return findResampler(sourceRate, destRate)->getDestLength(sourceLength);
}
int UniversalResampler::getSourceLength(int sourceRate, int destRate, int destLength)
size_t UniversalResampler::getSourceLength(int sourceRate, int destRate, size_t destLength)
{
if (sourceRate == destRate)
return destLength;

16
src/engine/audio/Audio_Resampler.h
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@@ -24,14 +24,15 @@ public:
void start(int channels, int sourceRate, int destRate);
void stop();
int processBuffer(const void* source, int sourceLength, int& sourceProcessed, void* dest, int destCapacity);
size_t processBuffer(const void* source, size_t sourceLength, size_t& sourceProcessed,
void* dest, size_t destCapacity);
int sourceRate();
int destRate();
int getDestLength(int sourceLen);
int getSourceLength(int destLen);
size_t getDestLength(size_t sourceLen);
size_t getSourceLength(size_t destLen);
// Returns instance + speex encoder size in bytes
int getSize() const;
size_t getSize() const;
protected:
void* mContext;
@@ -59,9 +60,10 @@ public:
UniversalResampler();
~UniversalResampler();
int resample(int sourceRate, const void* sourceBuffer, int sourceLength, int& sourceProcessed, int destRate, void* destBuffer, int destCapacity);
int getDestLength(int sourceRate, int destRate, int sourceLength);
int getSourceLength(int sourceRate, int destRate, int destLength);
size_t resample(int sourceRate, const void* sourceBuffer, size_t sourceLength, size_t& sourceProcessed,
int destRate, void* destBuffer, size_t destCapacity);
size_t getDestLength(int sourceRate, int destRate, size_t sourceLength);
size_t getSourceLength(int sourceRate, int destRate, size_t destLength);
protected:
typedef std::pair<int, int> RatePair;

5
src/engine/audio/Audio_WavFile.cpp
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@@ -204,8 +204,9 @@ unsigned WavFileReader::read(short* buffer, unsigned samples)
}
/*int readSamples = */fread(temp, 1, requiredBytes, mHandle);// / mChannels / (mBits / 8);
int processedBytes = 0;
int result = mResampler.processBuffer(temp, requiredBytes, processedBytes, buffer, samples * 2 * AUDIO_CHANNELS);
size_t processedBytes = 0;
size_t result = mResampler.processBuffer(temp, requiredBytes, processedBytes,
buffer, samples * 2 * AUDIO_CHANNELS);
return result / 2 / AUDIO_CHANNELS;
}