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fixing audio bug

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Ryzerth
2020-11-02 21:13:28 +01:00
parent 35c7f0e3cf
commit cee6af1e14
15 changed files with 50 additions and 75 deletions
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46
core/src/dsp/resampling.h
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@@ -23,19 +23,19 @@ namespace dsp {
_inSampleRate = inSampleRate;
_outSampleRate = outSampleRate;
int _gcd = std::gcd((int)_inSampleRate, (int)_outSampleRate);
_interp = _outSampleRate / _gcd;
_decim = _inSampleRate / _gcd;
tapCount = _window->getTapCount();
taps = (float*)volk_malloc(tapCount * sizeof(float), volk_get_alignment());
_window->createTaps(taps, tapCount);
for (int i = 0; i < tapCount / 2; i++) {
float tap = taps[tapCount - i - 1];
taps[tapCount - i - 1] = taps[i];
taps[i] = tap;
taps[tapCount - i - 1] = taps[i] * (float)_interp;
taps[i] = tap * (float)_interp;
}
int _gcd = std::gcd((int)_inSampleRate, (int)_outSampleRate);
_interp = _outSampleRate / _gcd;
_decim = _inSampleRate / _gcd;
buffer = (T*)volk_malloc(STREAM_BUFFER_SIZE * sizeof(T) * 2, volk_get_alignment());
bufStart = &buffer[tapCount];
generic_block<PolyphaseResampler<T>>::registerInput(_in);
@@ -80,6 +80,8 @@ namespace dsp {
}
void updateWindow(dsp::filter_window::generic_window* window) {
std::lock_guard<std::mutex> lck(generic_block<PolyphaseResampler<T>>::ctrlMtx);
generic_block<PolyphaseResampler<T>>::tempStop();
_window = window;
volk_free(taps);
tapCount = window->getTapCount();
@@ -87,9 +89,10 @@ namespace dsp {
window->createTaps(taps, tapCount);
for (int i = 0; i < tapCount / 2; i++) {
float tap = taps[tapCount - i - 1];
taps[tapCount - i - 1] = taps[i];
taps[i] = tap;
taps[tapCount - i - 1] = taps[i] * (float)_interp;
taps[i] = tap * (float)_interp;
}
generic_block<PolyphaseResampler<T>>::tempStart();
}
int calcOutSize(int in) {
@@ -97,10 +100,8 @@ namespace dsp {
}
int run() {
if constexpr (std::is_same_v<T, float>) { spdlog::warn("--------- RESAMP START --------"); }
count = _in->read();
if (count < 0) {
if constexpr (std::is_same_v<T, float>) { spdlog::warn("--------- RESAMP STOP --------"); }
return -1;
}
@@ -114,16 +115,21 @@ namespace dsp {
return -1;
}
int outIndex = 0;
if constexpr (std::is_same_v<T, float>) {
for (int i = 0; outIndex < outCount; i += _decim) {
out.data[outIndex] = 0;
for (int j = i % _interp; j < tapCount; j += _interp) {
out.data[outIndex] += buffer[((i - j) / _interp) + tapCount] * taps[j];
}
outIndex++;
}
}
// if constexpr (std::is_same_v<T, float>) {
// // for (int i = 0; outIndex < outCount; i += _decim) {
// // out.data[outIndex] = 0;
// // for (int j = i % _interp; j < tapCount; j += _interp) {
// // out.data[outIndex] += buffer[((i - j) / _interp) + tapCount] * taps[j];
// // }
// // outIndex++;
// // }
// for (int i = 0; i < outCount; i++) {
// out.data[i] = 1.0f;
// }
// }
if constexpr (std::is_same_v<T, complex_t>) {
static_assert(std::is_same_v<T, complex_t>);
spdlog::warn("{0}", outCount);
for (int i = 0; outIndex < outCount; i += _decim) {
out.data[outIndex].i = 0;
out.data[outIndex].q = 0;
@@ -134,7 +140,7 @@ namespace dsp {
outIndex++;
}
}
out.write(count);
out.write(outCount);
memmove(buffer, &buffer[count], tapCount * sizeof(T));