hrtf_kernel.cc | Explore in Territory

/*
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#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "third_party/blink/renderer/platform/audio/hrtf_kernel.h"

#include <algorithm>
#include <memory>
#include <utility>

#include "third_party/blink/renderer/platform/audio/audio_channel.h"
#include "third_party/blink/renderer/platform/wtf/math_extras.h"

namespace blink {

namespace {

// Takes the input AudioChannel as an input impulse response and calculates the
// average group delay.  This represents the initial delay before the most
// energetic part of the impulse response.  The sample-frame delay is removed
// from the impulseP impulse response, and this value  is returned.  The length
// of the passed in AudioChannel must be a power of 2.
float ExtractAverageGroupDelay(AudioChannel* channel,
                               unsigned analysis_fft_size) { … }

}  // namespace

HRTFKernel::HRTFKernel(AudioChannel* channel,
                       unsigned fft_size,
                       float sample_rate)
    : … { … }

// Interpolates two kernels with x: 0 -> 1 and returns the result.
std::unique_ptr<HRTFKernel> HRTFKernel::CreateInterpolatedKernel(
    HRTFKernel* kernel1,
    HRTFKernel* kernel2,
    float x) { … }

}  // namespace blink
chromium/third_party/blink/renderer/platform/audio/hrtf_kernel.cc
