webrtc/api/audio_options.h
Ken MacKay 831ce5f171 Export more symbols to fix Chromecast component build
When building certain Chromecast build flavors in component build mode,
there are some link errors due to symbols not being exported. This CL
fixes those issues.

TBR: kwiberg@webrtc.org
Bug: None
Change-Id: I408f0a84b8ac4610cc6b5aa6ff58248ea82c9c66
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/161148
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29992}
2019-12-03 17:41:04 +00:00

85 lines
3.5 KiB
C++

/*
* 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.
*/
#ifndef API_AUDIO_OPTIONS_H_
#define API_AUDIO_OPTIONS_H_
#include <stdint.h>
#include <string>
#include "absl/types/optional.h"
#include "rtc_base/system/rtc_export.h"
namespace cricket {
// Options that can be applied to a VoiceMediaChannel or a VoiceMediaEngine.
// Used to be flags, but that makes it hard to selectively apply options.
// We are moving all of the setting of options to structs like this,
// but some things currently still use flags.
struct RTC_EXPORT AudioOptions {
AudioOptions();
~AudioOptions();
void SetAll(const AudioOptions& change);
bool operator==(const AudioOptions& o) const;
bool operator!=(const AudioOptions& o) const { return !(*this == o); }
std::string ToString() const;
// Audio processing that attempts to filter away the output signal from
// later inbound pickup.
absl::optional<bool> echo_cancellation;
#if defined(WEBRTC_IOS)
// Forces software echo cancellation on iOS. This is a temporary workaround
// (until Apple fixes the bug) for a device with non-functioning AEC. May
// improve performance on that particular device, but will cause unpredictable
// behavior in all other cases. See http://bugs.webrtc.org/8682.
absl::optional<bool> ios_force_software_aec_HACK;
#endif
// Audio processing to adjust the sensitivity of the local mic dynamically.
absl::optional<bool> auto_gain_control;
// Audio processing to filter out background noise.
absl::optional<bool> noise_suppression;
// Audio processing to remove background noise of lower frequencies.
absl::optional<bool> highpass_filter;
// Audio processing to swap the left and right channels.
absl::optional<bool> stereo_swapping;
// Audio receiver jitter buffer (NetEq) max capacity in number of packets.
absl::optional<int> audio_jitter_buffer_max_packets;
// Audio receiver jitter buffer (NetEq) fast accelerate mode.
absl::optional<bool> audio_jitter_buffer_fast_accelerate;
// Audio receiver jitter buffer (NetEq) minimum target delay in milliseconds.
absl::optional<int> audio_jitter_buffer_min_delay_ms;
// Audio receiver jitter buffer (NetEq) should handle retransmitted packets.
absl::optional<bool> audio_jitter_buffer_enable_rtx_handling;
// Audio processing to detect typing.
absl::optional<bool> typing_detection;
absl::optional<bool> experimental_agc;
absl::optional<bool> experimental_ns;
// Note that tx_agc_* only applies to non-experimental AGC.
absl::optional<bool> residual_echo_detector;
absl::optional<uint16_t> tx_agc_target_dbov;
absl::optional<uint16_t> tx_agc_digital_compression_gain;
absl::optional<bool> tx_agc_limiter;
// Enable combined audio+bandwidth BWE.
// TODO(pthatcher): This flag is set from the
// "googCombinedAudioVideoBwe", but not used anywhere. So delete it,
// and check if any other AudioOptions members are unused.
absl::optional<bool> combined_audio_video_bwe;
// Enable audio network adaptor.
absl::optional<bool> audio_network_adaptor;
// Config string for audio network adaptor.
absl::optional<std::string> audio_network_adaptor_config;
};
} // namespace cricket
#endif // API_AUDIO_OPTIONS_H_