webrtc_m130/webrtc/tools/agc/test_utils.h
kjellander@webrtc.org 2d2a1f9f05 Remove <(webrtc_root) from source file entries.
This required to move the AGC tools source files
into webrtc/tools and create a new agc_test_utils target.

Since audio_codec_speed_tests.gypi referenced sources above,
the best approach I could come up with was to add an audio_coding.gypi
file at a higher level and move the targets in there (+ the includes from
modules.gyp which is an improvement IMO).

I also added a PRESUBMIT.py check to prevent new source
entries being added with <(webrtc_root) in the path.

BUG=4185
R=andrew@webrtc.org, tina.legrand@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/37859004

Cr-Commit-Position: refs/heads/master@{#8197}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8197 4adac7df-926f-26a2-2b94-8c16560cd09d
2015-01-29 10:24:44 +00:00

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/*
* Copyright (c) 2012 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_TOOLS_AGC_TEST_UTILS_H_
#define WEBRTC_TOOLS_AGC_TEST_UTILS_H_
namespace webrtc {
class AudioFrame;
float MicLevel2Gain(int gain_range_db, int level);
float Db2Linear(float db);
void ApplyGainLinear(float gain, float last_gain, AudioFrame* frame);
void ApplyGain(float gain_db, float last_gain_db, AudioFrame* frame);
void SimulateMic(int gain_range_db, int mic_level, int last_mic_level,
AudioFrame* frame);
void SimulateMic(int gain_map[255], int mic_level, int last_mic_level,
AudioFrame* frame);
} // namespace webrtc
#endif // WEBRTC_TOOLS_AGC_TEST_UTILS_H_