AnotherFoxGuy/webrtc-audio-processing
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Update to current webrtc library

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This is from the upstream library commit id
3326535126e435f1ba647885ce43a8f0f3d317eb, corresponding to Chromium
88.0.4290.1.
This commit is contained in:
Arun Raghavan
2020-10-12 18:08:02 -04:00
parent b1b02581d3
commit bcec8b0b21
859 changed files with 76187 additions and 49580 deletions
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26
webrtc/common_audio/real_fourier_ooura.cc
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@ -8,13 +8,13 @@
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/common_audio/real_fourier_ooura.h"
#include "common_audio/real_fourier_ooura.h"
#include <cmath>
#include <algorithm>
#include <cmath>
#include "webrtc/base/checks.h"
#include "webrtc/common_audio/fft4g.h"
#include "common_audio/third_party/ooura/fft_size_256/fft4g.h"
#include "rtc_base/checks.h"
namespace webrtc {
@ -28,8 +28,8 @@ void Conjugate(complex<float>* array, size_t complex_length) {
}
size_t ComputeWorkIpSize(size_t fft_length) {
return static_cast<size_t>(2 + std::ceil(std::sqrt(
static_cast<float>(fft_length))));
return static_cast<size_t>(
2 + std::ceil(std::sqrt(static_cast<float>(fft_length))));
}
} // namespace
@ -45,11 +45,13 @@ RealFourierOoura::RealFourierOoura(int fft_order)
RTC_CHECK_GE(fft_order, 1);
}
RealFourierOoura::~RealFourierOoura() = default;
void RealFourierOoura::Forward(const float* src, complex<float>* dest) const {
{
// This cast is well-defined since C++11. See "Non-static data members" at:
// http://en.cppreference.com/w/cpp/numeric/complex
auto dest_float = reinterpret_cast<float*>(dest);
auto* dest_float = reinterpret_cast<float*>(dest);
std::copy(src, src + length_, dest_float);
WebRtc_rdft(length_, 1, dest_float, work_ip_.get(), work_w_.get());
}
@ -63,7 +65,7 @@ void RealFourierOoura::Forward(const float* src, complex<float>* dest) const {
void RealFourierOoura::Inverse(const complex<float>* src, float* dest) const {
{
auto dest_complex = reinterpret_cast<complex<float>*>(dest);
auto* dest_complex = reinterpret_cast<complex<float>*>(dest);
// The real output array is shorter than the input complex array by one
// complex element.
const size_t dest_complex_length = complex_length_ - 1;
@ -71,8 +73,8 @@ void RealFourierOoura::Inverse(const complex<float>* src, float* dest) const {
// Restore Ooura's conjugate definition.
Conjugate(dest_complex, dest_complex_length);
// Restore real[n/2] to imag[0].
dest_complex[0] = complex<float>(dest_complex[0].real(),
src[complex_length_ - 1].real());
dest_complex[0] =
complex<float>(dest_complex[0].real(), src[complex_length_ - 1].real());
}
WebRtc_rdft(length_, -1, dest, work_ip_.get(), work_w_.get());
@ -82,4 +84,8 @@ void RealFourierOoura::Inverse(const complex<float>* src, float* dest) const {
std::for_each(dest, dest + length_, [scale](float& v) { v *= scale; });
}
int RealFourierOoura::order() const {
return order_;
}
} // namespace webrtc