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Side by Side Diff: webrtc/modules/audio_processing/agc/legacy/gain_control.h

Issue 1998183002: Clang format on AGC legacy code. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Created 4 years, 7 months ago
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1 /* 1 /*
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AGC_LEGACY_GAIN_CONTROL_H_ 11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AGC_LEGACY_GAIN_CONTROL_H_
12 #define WEBRTC_MODULES_AUDIO_PROCESSING_AGC_LEGACY_GAIN_CONTROL_H_ 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_AGC_LEGACY_GAIN_CONTROL_H_
13 13
14 #include "webrtc/typedefs.h" 14 #include "webrtc/typedefs.h"
15 15
16 // Errors 16 // Errors
17 #define AGC_UNSPECIFIED_ERROR 18000 17 #define AGC_UNSPECIFIED_ERROR 18000
18 #define AGC_UNSUPPORTED_FUNCTION_ERROR 18001 18 #define AGC_UNSUPPORTED_FUNCTION_ERROR 18001
19 #define AGC_UNINITIALIZED_ERROR 18002 19 #define AGC_UNINITIALIZED_ERROR 18002
20 #define AGC_NULL_POINTER_ERROR 18003 20 #define AGC_NULL_POINTER_ERROR 18003
21 #define AGC_BAD_PARAMETER_ERROR 18004 21 #define AGC_BAD_PARAMETER_ERROR 18004
22 22
23 // Warnings 23 // Warnings
24 #define AGC_BAD_PARAMETER_WARNING 18050 24 #define AGC_BAD_PARAMETER_WARNING 18050
25 25
26 enum 26 enum {
27 { 27 kAgcModeUnchanged,
28 kAgcModeUnchanged, 28 kAgcModeAdaptiveAnalog,
29 kAgcModeAdaptiveAnalog, 29 kAgcModeAdaptiveDigital,
30 kAgcModeAdaptiveDigital, 30 kAgcModeFixedDigital
31 kAgcModeFixedDigital
32 }; 31 };
33 32
34 enum 33 enum { kAgcFalse = 0, kAgcTrue };
35 {
36 kAgcFalse = 0,
37 kAgcTrue
38 };
39 34
40 typedef struct 35 typedef struct {
41 { 36 int16_t targetLevelDbfs; // default 3 (-3 dBOv)
42 int16_t targetLevelDbfs; // default 3 (-3 dBOv) 37 int16_t compressionGaindB; // default 9 dB
43 int16_t compressionGaindB; // default 9 dB 38 uint8_t limiterEnable; // default kAgcTrue (on)
44 uint8_t limiterEnable; // default kAgcTrue (on)
45 } WebRtcAgcConfig; 39 } WebRtcAgcConfig;
46 40
47 #if defined(__cplusplus) 41 #if defined(__cplusplus)
48 extern "C" 42 extern "C" {
49 {
50 #endif 43 #endif
51 44
52 /* 45 /*
53 * This function analyses the number of samples passed to 46 * This function analyses the number of samples passed to
54 * farend and produces any error code that could arise. 47 * farend and produces any error code that could arise.
55 * 48 *
56 * Input: 49 * Input:
57 * - agcInst : AGC instance. 50 * - agcInst : AGC instance.
58 * - samples : Number of samples in input vector. 51 * - samples : Number of samples in input vector.
59 * 52 *
(...skipping 11 matching lines...) Expand all
71 * 64 *
72 * Input: 65 * Input:
73 * - agcInst : AGC instance. 66 * - agcInst : AGC instance.
74 * - inFar : Far-end input speech vector 67 * - inFar : Far-end input speech vector
75 * - samples : Number of samples in input vector 68 * - samples : Number of samples in input vector
76 * 69 *
77 * Return value: 70 * Return value:
78 * : 0 - Normal operation. 71 * : 0 - Normal operation.
79 * : -1 - Error 72 * : -1 - Error
80 */ 73 */
81 int WebRtcAgc_AddFarend(void* agcInst, 74 int WebRtcAgc_AddFarend(void* agcInst, const int16_t* inFar, size_t samples);
82 const int16_t* inFar,
83 size_t samples);
84 75
85 /* 76 /*
86 * This function processes a 10 ms frame of microphone speech to determine 77 * This function processes a 10 ms frame of microphone speech to determine
87 * if there is active speech. The length of the input speech vector must be 78 * if there is active speech. The length of the input speech vector must be
88 * given in samples (80 when FS=8000, and 160 when FS=16000, FS=32000 or 79 * given in samples (80 when FS=8000, and 160 when FS=16000, FS=32000 or
89 * FS=48000). For very low input levels, the input signal is increased in level 80 * FS=48000). For very low input levels, the input signal is increased in level
90 * by multiplying and overwriting the samples in inMic[]. 81 * by multiplying and overwriting the samples in inMic[].
91 * 82 *
92 * This function should be called before any further processing of the 83 * This function should be called before any further processing of the
93 * near-end microphone signal. 84 * near-end microphone signal.
(...skipping 142 matching lines...) Expand 10 before | Expand all | Expand 10 after
236 * - maxLevel : Maximum possible mic level 227 * - maxLevel : Maximum possible mic level
237 * - agcMode : 0 - Unchanged 228 * - agcMode : 0 - Unchanged
238 * : 1 - Adaptive Analog Automatic Gain Control -3dBOv 229 * : 1 - Adaptive Analog Automatic Gain Control -3dBOv
239 * : 2 - Adaptive Digital Automatic Gain Control -3dBOv 230 * : 2 - Adaptive Digital Automatic Gain Control -3dBOv
240 * : 3 - Fixed Digital Gain 0dB 231 * : 3 - Fixed Digital Gain 0dB
241 * - fs : Sampling frequency 232 * - fs : Sampling frequency
242 * 233 *
243 * Return value : 0 - Ok 234 * Return value : 0 - Ok
244 * -1 - Error 235 * -1 - Error
245 */ 236 */
246 int WebRtcAgc_Init(void *agcInst, 237 int WebRtcAgc_Init(void* agcInst,
247 int32_t minLevel, 238 int32_t minLevel,
248 int32_t maxLevel, 239 int32_t maxLevel,
249 int16_t agcMode, 240 int16_t agcMode,
250 uint32_t fs); 241 uint32_t fs);
251 242
252 #if defined(__cplusplus) 243 #if defined(__cplusplus)
253 } 244 }
254 #endif 245 #endif
255 246
256 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_AGC_LEGACY_GAIN_CONTROL_H_ 247 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_AGC_LEGACY_GAIN_CONTROL_H_
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