| /* | 
 |  *  Copyright (c) 2018 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. | 
 |  */ | 
 |  | 
 | #include "api/audio_options.h" | 
 |  | 
 | #include <optional> | 
 | #include <string> | 
 |  | 
 | #include "api/array_view.h" | 
 | #include "rtc_base/strings/string_builder.h" | 
 |  | 
 | namespace webrtc { | 
 | namespace { | 
 |  | 
 | template <class T> | 
 | void ToStringIfSet(SimpleStringBuilder* result, | 
 |                    const char* key, | 
 |                    const std::optional<T>& val) { | 
 |   if (val) { | 
 |     (*result) << key << ": " << *val << ", "; | 
 |   } | 
 | } | 
 |  | 
 | template <typename T> | 
 | void SetFrom(std::optional<T>* s, const std::optional<T>& o) { | 
 |   if (o) { | 
 |     *s = o; | 
 |   } | 
 | } | 
 |  | 
 | }  // namespace | 
 |  | 
 | AudioOptions::AudioOptions() = default; | 
 | AudioOptions::~AudioOptions() = default; | 
 |  | 
 | void AudioOptions::SetAll(const AudioOptions& change) { | 
 |   SetFrom(&echo_cancellation, change.echo_cancellation); | 
 | #if defined(WEBRTC_IOS) | 
 |   SetFrom(&ios_force_software_aec_HACK, change.ios_force_software_aec_HACK); | 
 | #endif | 
 |   SetFrom(&auto_gain_control, change.auto_gain_control); | 
 |   SetFrom(&noise_suppression, change.noise_suppression); | 
 |   SetFrom(&highpass_filter, change.highpass_filter); | 
 |   SetFrom(&stereo_swapping, change.stereo_swapping); | 
 |   SetFrom(&audio_jitter_buffer_max_packets, | 
 |           change.audio_jitter_buffer_max_packets); | 
 |   SetFrom(&audio_jitter_buffer_fast_accelerate, | 
 |           change.audio_jitter_buffer_fast_accelerate); | 
 |   SetFrom(&audio_jitter_buffer_min_delay_ms, | 
 |           change.audio_jitter_buffer_min_delay_ms); | 
 |   SetFrom(&audio_network_adaptor, change.audio_network_adaptor); | 
 |   SetFrom(&audio_network_adaptor_config, change.audio_network_adaptor_config); | 
 |   SetFrom(&init_recording_on_send, change.init_recording_on_send); | 
 | } | 
 |  | 
 | bool AudioOptions::operator==(const AudioOptions& o) const { | 
 |   return echo_cancellation == o.echo_cancellation && | 
 | #if defined(WEBRTC_IOS) | 
 |          ios_force_software_aec_HACK == o.ios_force_software_aec_HACK && | 
 | #endif | 
 |          auto_gain_control == o.auto_gain_control && | 
 |          noise_suppression == o.noise_suppression && | 
 |          highpass_filter == o.highpass_filter && | 
 |          stereo_swapping == o.stereo_swapping && | 
 |          audio_jitter_buffer_max_packets == o.audio_jitter_buffer_max_packets && | 
 |          audio_jitter_buffer_fast_accelerate == | 
 |              o.audio_jitter_buffer_fast_accelerate && | 
 |          audio_jitter_buffer_min_delay_ms == | 
 |              o.audio_jitter_buffer_min_delay_ms && | 
 |          audio_network_adaptor == o.audio_network_adaptor && | 
 |          audio_network_adaptor_config == o.audio_network_adaptor_config && | 
 |          init_recording_on_send == o.init_recording_on_send; | 
 | } | 
 |  | 
 | std::string AudioOptions::ToString() const { | 
 |   char buffer[1024]; | 
 |   SimpleStringBuilder result(buffer); | 
 |   result << "AudioOptions {"; | 
 |   ToStringIfSet(&result, "aec", echo_cancellation); | 
 | #if defined(WEBRTC_IOS) | 
 |   ToStringIfSet(&result, "ios_force_software_aec_HACK", | 
 |                 ios_force_software_aec_HACK); | 
 | #endif | 
 |   ToStringIfSet(&result, "agc", auto_gain_control); | 
 |   ToStringIfSet(&result, "ns", noise_suppression); | 
 |   ToStringIfSet(&result, "hf", highpass_filter); | 
 |   ToStringIfSet(&result, "swap", stereo_swapping); | 
 |   ToStringIfSet(&result, "audio_jitter_buffer_max_packets", | 
 |                 audio_jitter_buffer_max_packets); | 
 |   ToStringIfSet(&result, "audio_jitter_buffer_fast_accelerate", | 
 |                 audio_jitter_buffer_fast_accelerate); | 
 |   ToStringIfSet(&result, "audio_jitter_buffer_min_delay_ms", | 
 |                 audio_jitter_buffer_min_delay_ms); | 
 |   ToStringIfSet(&result, "audio_network_adaptor", audio_network_adaptor); | 
 |   ToStringIfSet(&result, "init_recording_on_send", init_recording_on_send); | 
 |   result << "}"; | 
 |   return result.str(); | 
 | } | 
 |  | 
 | }  // namespace webrtc |