Line data    Source code

       1             : /*
       2             :  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
       3             :  *
       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
       6             :  *  tree. An additional intellectual property rights grant can be found
       7             :  *  in the file PATENTS.  All contributing project authors may
       8             :  *  be found in the AUTHORS file in the root of the source tree.
       9             :  */
      10             : 
      11             : #include "webrtc/modules/audio_processing/gain_control_for_experimental_agc.h"
      12             : 
      13             : #include "webrtc/base/checks.h"
      14             : #include "webrtc/base/criticalsection.h"
      15             : #include "webrtc/modules/audio_processing/include/audio_processing.h"
      16             : #include "webrtc/modules/audio_processing/logging/apm_data_dumper.h"
      17             : 
      18             : namespace webrtc {
      19             : 
      20             : int GainControlForExperimentalAgc::instance_counter_ = 0;
      21             : 
      22           0 : GainControlForExperimentalAgc::GainControlForExperimentalAgc(
      23             :     GainControl* gain_control,
      24           0 :     rtc::CriticalSection* crit_capture)
      25           0 :     : data_dumper_(new ApmDataDumper(instance_counter_)),
      26             :       real_gain_control_(gain_control),
      27             :       volume_(0),
      28           0 :       crit_capture_(crit_capture) {
      29           0 :   instance_counter_++;
      30           0 : }
      31             : 
      32             : GainControlForExperimentalAgc::~GainControlForExperimentalAgc() = default;
      33             : 
      34           0 : int GainControlForExperimentalAgc::Enable(bool enable) {
      35           0 :   return real_gain_control_->Enable(enable);
      36             : }
      37             : 
      38           0 : bool GainControlForExperimentalAgc::is_enabled() const {
      39           0 :   return real_gain_control_->is_enabled();
      40             : }
      41             : 
      42           0 : int GainControlForExperimentalAgc::set_stream_analog_level(int level) {
      43           0 :   rtc::CritScope cs_capture(crit_capture_);
      44           0 :   data_dumper_->DumpRaw("experimental_gain_control_set_stream_analog_level", 1,
      45           0 :                         &level);
      46           0 :   volume_ = level;
      47           0 :   return AudioProcessing::kNoError;
      48             : }
      49             : 
      50           0 : int GainControlForExperimentalAgc::stream_analog_level() {
      51           0 :   rtc::CritScope cs_capture(crit_capture_);
      52           0 :   data_dumper_->DumpRaw("experimental_gain_control_stream_analog_level", 1,
      53           0 :                         &volume_);
      54           0 :   return volume_;
      55             : }
      56             : 
      57           0 : int GainControlForExperimentalAgc::set_mode(Mode mode) {
      58           0 :   return AudioProcessing::kNoError;
      59             : }
      60             : 
      61           0 : GainControl::Mode GainControlForExperimentalAgc::mode() const {
      62           0 :   return GainControl::kAdaptiveAnalog;
      63             : }
      64             : 
      65           0 : int GainControlForExperimentalAgc::set_target_level_dbfs(int level) {
      66           0 :   return AudioProcessing::kNoError;
      67             : }
      68             : 
      69           0 : int GainControlForExperimentalAgc::target_level_dbfs() const {
      70           0 :   return real_gain_control_->target_level_dbfs();
      71             : }
      72             : 
      73           0 : int GainControlForExperimentalAgc::set_compression_gain_db(int gain) {
      74           0 :   return AudioProcessing::kNoError;
      75             : }
      76             : 
      77           0 : int GainControlForExperimentalAgc::compression_gain_db() const {
      78           0 :   return real_gain_control_->compression_gain_db();
      79             : }
      80             : 
      81           0 : int GainControlForExperimentalAgc::enable_limiter(bool enable) {
      82           0 :   return AudioProcessing::kNoError;
      83             : }
      84             : 
      85           0 : bool GainControlForExperimentalAgc::is_limiter_enabled() const {
      86           0 :   return real_gain_control_->is_limiter_enabled();
      87             : }
      88             : 
      89           0 : int GainControlForExperimentalAgc::set_analog_level_limits(int minimum,
      90             :                                                            int maximum) {
      91           0 :   return AudioProcessing::kNoError;
      92             : }
      93             : 
      94           0 : int GainControlForExperimentalAgc::analog_level_minimum() const {
      95           0 :   return real_gain_control_->analog_level_minimum();
      96             : }
      97             : 
      98           0 : int GainControlForExperimentalAgc::analog_level_maximum() const {
      99           0 :   return real_gain_control_->analog_level_maximum();
     100             : }
     101             : 
     102           0 : bool GainControlForExperimentalAgc::stream_is_saturated() const {
     103           0 :   return real_gain_control_->stream_is_saturated();
     104             : }
     105             : 
     106           0 : void GainControlForExperimentalAgc::SetMicVolume(int volume) {
     107           0 :   rtc::CritScope cs_capture(crit_capture_);
     108           0 :   volume_ = volume;
     109           0 : }
     110             : 
     111           0 : int GainControlForExperimentalAgc::GetMicVolume() {
     112           0 :   rtc::CritScope cs_capture(crit_capture_);
     113           0 :   return volume_;
     114             : }
     115             : 
     116           0 : void GainControlForExperimentalAgc::Initialize() {
     117           0 :   data_dumper_->InitiateNewSetOfRecordings();
     118           0 : }
     119             : 
     120             : }  // namespace webrtc