Revert 237311 "Added an "enable-audio-processor" flag and WebRtc..."

trunk/src/content/renderer/media/media_stream_audio_processor_options.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "content/renderer/media/media_stream_audio_processor_options.h"
-
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "base/path_service.h"
-#include "base/strings/utf_string_conversions.h"
-#include "third_party/libjingle/source/talk/app/webrtc/mediaconstraintsinterface.h"
-#include "third_party/webrtc/modules/audio_processing/include/audio_processing.h"
-
-namespace content {
-
-bool GetPropertyFromConstraints(const MediaConstraintsInterface* constraints,
-                                const std::string& key) {
-  bool value = false;
-  return webrtc::FindConstraint(constraints, key, &value, NULL) && value;
-}
-
-void EnableEchoCancellation(AudioProcessing* audio_processing) {
-#if defined(OS_IOS)
-  // On iOS, VPIO provides built-in EC and AGC.
-  return;
-#elif defined(OS_ANDROID)
-  // Mobile devices are using AECM.
-  int err = audio_processing->echo_control_mobile()->Enable(true);
-  err |= audio_processing->echo_control_mobile()->set_routing_mode(
-      webrtc::EchoControlMobile::kSpeakerphone);
-  CHECK_EQ(err, 0);
-#else
-  int err = audio_processing->echo_cancellation()->Enable(true);
-  err |= audio_processing->echo_cancellation()->set_suppression_level(
-      webrtc::EchoCancellation::kHighSuppression);
-
-  // Enable the metrics for AEC.
-  err |= audio_processing->echo_cancellation()->enable_metrics(true);
-  err |= audio_processing->echo_cancellation()->enable_delay_logging(true);
-  CHECK_EQ(err, 0);
-#endif
-}
-
-void EnableNoiseSuppression(AudioProcessing* audio_processing) {
-  int err = audio_processing->noise_suppression()->set_level(
-      webrtc::NoiseSuppression::kHigh);
-  err |= audio_processing->noise_suppression()->Enable(true);
-  CHECK_EQ(err, 0);
-}
-
-void EnableHighPassFilter(AudioProcessing* audio_processing) {
-  CHECK_EQ(audio_processing->high_pass_filter()->Enable(true), 0);
-}
-
-// TODO(xians): stereo swapping
-void EnableTypingDetection(AudioProcessing* audio_processing) {
-  int err = audio_processing->voice_detection()->Enable(true);
-  err |= audio_processing->voice_detection()->set_likelihood(
-      webrtc::VoiceDetection::kVeryLowLikelihood);
-  CHECK_EQ(err, 0);
-}
-
-void EnableExperimentalEchoCancellation(AudioProcessing* audio_processing) {
-  webrtc::Config config;
-  config.Set<webrtc::DelayCorrection>(new webrtc::DelayCorrection(true));
-  audio_processing->SetExtraOptions(config);
-}
-
-void StartAecDump(AudioProcessing* audio_processing) {
-  // TODO(grunell): Figure out a more suitable directory for the audio dump
-  // data.
-  base::FilePath path;
-#if defined(CHROMEOS)
-  PathService::Get(base::DIR_TEMP, &path);
-#elif defined(ANDROID)
-  path = base::FilePath(FILE_PATH_LITERAL("sdcard"));
-#else
-  PathService::Get(base::DIR_EXE, &path);
-#endif
-  base::FilePath file = path.Append(FILE_PATH_LITERAL("audio.aecdump"));
-
-#if defined(OS_WIN)
-  const std::string file_name = WideToUTF8(file.value());
-#else
-  const std::string file_name = file.value();
-#endif
-  if (audio_processing->StartDebugRecording(file_name.c_str()))
-    DLOG(ERROR) << "Fail to start AEC debug recording";
-}
-
-void StopAecDump(AudioProcessing* audio_processing) {
-  if (audio_processing->StopDebugRecording())
-    DLOG(ERROR) << "Fail to stop AEC debug recording";
-}
-
-}  // namespace content