Bump to WebRTC M120 release

Some API deprecation -- ExperimentalAgc and ExperimentalNs are gone. We're continuing to carry iSAC even though it's gone upstream, but maybe we'll want to drop that soon.
2023-12-12 10:42:58 -05:00
parent 9a202fb8c2
commit c6abf6cd3f
479 changed files with 20900 additions and 11996 deletions
--- a/webrtc/modules/audio_processing/agc2/gain_map_internal.h
+++ b/webrtc/modules/audio_processing/agc2/gain_map_internal.h
@ -0,0 +1,46 @@
+/*
+ *  Copyright (c) 2013 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 MODULES_AUDIO_PROCESSING_AGC2_GAIN_MAP_INTERNAL_H_
+#define MODULES_AUDIO_PROCESSING_AGC2_GAIN_MAP_INTERNAL_H_
+
+namespace webrtc {
+
+static constexpr int kGainMapSize = 256;
+// Maps input volumes, which are values in the [0, 255] range, to gains in dB.
+// The values below are generated with numpy as follows:
+// SI = 2                        # Initial slope.
+// SF = 0.25                     # Final slope.
+// D = 8/256                     # Quantization factor.
+// x = np.linspace(0, 255, 256)  # Input volumes.
+// y = (SF * x + (SI - SF) * (1 - np.exp(-D*x)) / D - 56).round()
+static const int kGainMap[kGainMapSize] = {
+    -56, -54, -52, -50, -48, -47, -45, -43, -42, -40, -38, -37, -35, -34, -33,
+    -31, -30, -29, -27, -26, -25, -24, -23, -22, -20, -19, -18, -17, -16, -15,
+    -14, -14, -13, -12, -11, -10, -9,  -8,  -8,  -7,  -6,  -5,  -5,  -4,  -3,
+    -2,  -2,  -1,  0,   0,   1,   1,   2,   3,   3,   4,   4,   5,   5,   6,
+    6,   7,   7,   8,   8,   9,   9,   10,  10,  11,  11,  12,  12,  13,  13,
+    13,  14,  14,  15,  15,  15,  16,  16,  17,  17,  17,  18,  18,  18,  19,
+    19,  19,  20,  20,  21,  21,  21,  22,  22,  22,  23,  23,  23,  24,  24,
+    24,  24,  25,  25,  25,  26,  26,  26,  27,  27,  27,  28,  28,  28,  28,
+    29,  29,  29,  30,  30,  30,  30,  31,  31,  31,  32,  32,  32,  32,  33,
+    33,  33,  33,  34,  34,  34,  35,  35,  35,  35,  36,  36,  36,  36,  37,
+    37,  37,  38,  38,  38,  38,  39,  39,  39,  39,  40,  40,  40,  40,  41,
+    41,  41,  41,  42,  42,  42,  42,  43,  43,  43,  44,  44,  44,  44,  45,
+    45,  45,  45,  46,  46,  46,  46,  47,  47,  47,  47,  48,  48,  48,  48,
+    49,  49,  49,  49,  50,  50,  50,  50,  51,  51,  51,  51,  52,  52,  52,
+    52,  53,  53,  53,  53,  54,  54,  54,  54,  55,  55,  55,  55,  56,  56,
+    56,  56,  57,  57,  57,  57,  58,  58,  58,  58,  59,  59,  59,  59,  60,
+    60,  60,  60,  61,  61,  61,  61,  62,  62,  62,  62,  63,  63,  63,  63,
+    64};
+
+}  // namespace webrtc
+
+#endif  // MODULES_AUDIO_PROCESSING_AGC2_GAIN_MAP_INTERNAL_H_