Arun Raghavan 753eada3aa Update audio_processing module
Corresponds to upstream commit 524e9b043e7e86fd72353b987c9d5f6a1ebf83e1

Update notes:

 * Pull in third party license file

 * Replace .gypi files with BUILD.gn to keep track of what changes
   upstream

 * Bunch of new filse pulled in as dependencies

 * Won't build yet due to changes needed on top of these
2015-10-15 16:18:45 +05:30

59 lines
1.5 KiB
C++

/*
* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_ARRAY_UTIL_H_
#define WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_ARRAY_UTIL_H_
#include <cmath>
namespace webrtc {
// Coordinates in meters.
template<typename T>
struct CartesianPoint {
CartesianPoint(T x, T y, T z) {
c[0] = x;
c[1] = y;
c[2] = z;
}
T x() const { return c[0]; }
T y() const { return c[1]; }
T z() const { return c[2]; }
T c[3];
};
using Point = CartesianPoint<float>;
template<typename T>
float Distance(CartesianPoint<T> a, CartesianPoint<T> b) {
return std::sqrt((a.x() - b.x()) * (a.x() - b.x()) +
(a.y() - b.y()) * (a.y() - b.y()) +
(a.z() - b.z()) * (a.z() - b.z()));
}
template <typename T>
struct SphericalPoint {
SphericalPoint(T azimuth, T elevation, T radius) {
s[0] = azimuth;
s[1] = elevation;
s[2] = radius;
}
T azimuth() const { return s[0]; }
T elevation() const { return s[1]; }
T distance() const { return s[2]; }
T s[3];
};
using SphericalPointf = SphericalPoint<float>;
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_ARRAY_UTIL_H_