audioproc_f with simulated mic analog gain

webrtc/modules/audio_processing/test/fake_rec_device_identity.h

+/*
+ *  Copyright (c) 2017 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_TEST_FAKE_REC_DEVICE_IDENTITY_H_

[peah-webrtc, 2017/05/23 22:13:20]

Sorry, but this is not what I meant. Please put these implementations in the
fake_recording_device.cc file instead. This approach adds a lot of boilerplate
code for something which is quite small. What I meant was that you instead of
the method pointers should use interfaces and only implement them locally.

When you move them into separate files there is a lot of boilerplate code, about
60 lines for each.
Previously each method for this was 5 lines long and with local interfaces, you
should have something fairly similar.

I think that until we really put something substantial in these implementations
which show that they become so large as to warrant a separate file, we should
simply put the implementations inside the fake_recording_device.cc  file.

[AleBzk, 2017/06/22 10:16:00]

Done.

+#define WEBRTC_MODULES_AUDIO_PROCESSING_TEST_FAKE_REC_DEVICE_IDENTITY_H_
+
+#include "webrtc/modules/audio_processing/test/fake_recording_device.h"
+
+namespace webrtc {
+namespace test {
+
+class FakeRecordingDeviceIdentity final : public FakeRecordingDevice {
+ public:
+  explicit FakeRecordingDeviceIdentity(int initial_mic_level);
+  ~FakeRecordingDeviceIdentity() override;
+
+ private:
+  void ModifySampleInt16(int16_t* sample) override;
+  void ModifySampleFloat(float* sample) override;
+};
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_TEST_FAKE_REC_DEVICE_IDENTITY_H_