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Sam Zackrisson cf7f7f9fa0 AEC3: Add hysteresis period before entering stereo processing 
Even if playout audio is only very briefly stereo, the AEC will enter stereo processing mode. To save CPU and improve AEC performance, this CL adds a hysteresis period before treating playout as stereo.

The feature is enabled by default in the AEC3 config.

Bug: chromium:1295710
Change-Id: I29116ab2e7823e25a02aa3b66a1c619f1d966d9e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/258479
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Sam Zackrisson <saza@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36503}
2022-04-08 17:01:08 +00:00
..
adaptation Use backticks not vertical bars to denote variables in comments for /api 2021-07-26 18:27:34 +00:00
audio AEC3: Add hysteresis period before entering stereo processing 2022-04-08 17:01:08 +00:00
audio_codecs Remove //rtc_base:stringutils from public deps 2022-04-05 22:42:19 +00:00
call Use backticks not vertical bars to denote variables in comments for /api 2021-07-26 18:27:34 +00:00
crypto Rename rtc_base/ssl_stream_adapter.h constants. 2021-07-26 16:33:54 +00:00
g3doc Update links to point at main branch 2021-07-22 16:41:26 +00:00
metronome Introduce Sync-Decoding based on Metronome 2022-02-14 11:14:00 +00:00
neteq Remove //rtc_base:stringutils from public deps 2022-04-05 22:42:19 +00:00
numerics Use backticks not vertical bars to denote variables in comments for /api 2021-07-26 18:27:34 +00:00
rtc_event_log Prepare for new event log parser. 2022-01-18 16:13:13 +00:00
stats Extend RTCIceCandidateStats with non-standard network_adapter_type 2022-03-02 11:13:18 +00:00
task_queue Allow specifying delayed task precision of dcsctp::Timer. 2022-01-26 18:40:24 +00:00
test Change MockRtpSender to not inherit from RefCountedObject. 2022-03-28 09:58:50 +00:00
transport Remove //rtc_base:macromagic from public deps 2022-04-05 12:36:12 +00:00
units Rename UNIT_TEST to WEBRTC_UNIT_TEST 2020-12-10 11:04:58 +00:00
video rename functions to be moved to libyuv 2022-04-06 21:48:43 +00:00
video_codecs Reduce libvpx VP9 complexity setting on <= 2 core machines. 2022-04-06 16:08:00 +00:00
voip Remove usage of INFO alias for LS_INFO in log messages 2021-11-04 13:46:17 +00:00
array_view.h Fix array_view nested namespace. 2021-08-16 14:38:57 +00:00
array_view_unittest.cc rtc::ArrayView reverse iterators 2020-10-21 08:57:13 +00:00
async_dns_resolver.h Use AsyncDnsResolver in UDPPort class 2021-10-06 05:15:11 +00:00
async_resolver_factory.h (4) Rename files to snake_case: update BUILD.gn, include paths, header guards, and DEPS entries 2019-01-11 17:11:39 +00:00
audio_options.cc Remove typing detection 2022-03-23 10:23:54 +00:00
audio_options.h Remove typing detection 2022-03-23 10:23:54 +00:00
BUILD.gn Remove //rtc_base:stringutils from public deps 2022-04-05 22:42:19 +00:00
candidate.cc ice: fix comment about relay preference 2021-09-30 07:45:19 +00:00
candidate.h Extend RTCIceCandidateStats with non-standard network_adapter_type 2022-03-02 11:13:18 +00:00
create_peerconnection_factory.cc Add an rtc::SocketFactory* member to PeerConnectionFactoryDependencies 2022-02-04 15:01:41 +00:00
create_peerconnection_factory.h Async audio processing API 2020-10-02 12:33:34 +00:00
crypto_params.h Revert "Remove code supporting the SDES crypto mode in SDP" 2021-11-04 14:46:27 +00:00
data_channel_interface.cc datachannel: Add a MaxSendQueueSize() accessor in the API 2021-10-18 11:24:06 +00:00
data_channel_interface.h datachannel: Don't close a data channel when the queue is full 2021-11-04 11:40:28 +00:00
DEPS WebRTC-DeprecateGlobalFieldTrialString/Enabled/ - part 13/inf 2022-03-30 10:57:49 +00:00
dtls_transport_interface.cc Make DTLS role visible on DtlsTransport interface 2022-02-10 11:04:36 +00:00
dtls_transport_interface.h Make DTLS role visible on DtlsTransport interface 2022-02-10 11:04:36 +00:00
dtmf_sender_interface.h Use backticks not vertical bars to denote variables in comments for /api 2021-07-26 18:27:34 +00:00
fec_controller.h Use backticks not vertical bars to denote variables in comments for /api 2021-07-26 18:27:34 +00:00
fec_controller_override.h Define FecControllerOverride and plumb it down to VideoEncoder 2019-06-28 15:57:22 +00:00
field_trials.cc WebRTC-DeprecateGlobalFieldTrialString/Enabled/ - part 13/inf 2022-03-30 10:57:49 +00:00
field_trials.h WebRTC-DeprecateGlobalFieldTrialString/Enabled/ - part 13/inf 2022-03-30 10:57:49 +00:00
field_trials_unittest.cc WebRTC-DeprecateGlobalFieldTrialString/Enabled/ - part 13/inf 2022-03-30 10:57:49 +00:00
field_trials_view.h WebRTC-DeprecateGlobalFieldTrialString/Enabled/ - part 12/inf 2022-03-29 10:14:00 +00:00
frame_transformer_interface.h Add Direction indicator to TransformableFrames 2021-09-27 17:40:36 +00:00
function_view.h Move rtc::FunctionView to the public API 2019-03-21 15:23:05 +00:00
function_view_unittest.cc Format almost everything. 2019-07-08 13:45:15 +00:00
ice_transport_factory.cc WebRTC-DeprecateGlobalFieldTrialString/Enabled/ - part 6/inf 2022-03-16 12:11:34 +00:00
ice_transport_factory.h Use backticks not vertical bars to denote variables in comments 2021-08-10 10:40:03 +00:00
ice_transport_interface.h WebRTC-DeprecateGlobalFieldTrialString/Enabled/ - part 12/inf 2022-03-29 10:14:00 +00:00
jsep.cc Reland "Remove old-style OnFailure callbacks" 2020-02-21 14:07:57 +00:00
jsep.h Use backticks not vertical bars to denote variables in comments 2021-08-10 10:40:03 +00:00
jsep_ice_candidate.cc Use unique_ptr in JsepCandidateCollection 2019-07-31 01:48:07 +00:00
jsep_ice_candidate.h Remove RTC_DISALLOW_COPY_AND_ASSIGN more. 2022-01-20 11:00:18 +00:00
jsep_session_description.h Remove RTC_DISALLOW_COPY_AND_ASSIGN more. 2022-01-20 11:00:18 +00:00
media_stream_interface.cc New target for api/rtp_parameters.h and api/media_types.h. 2019-08-29 09:04:32 +00:00
media_stream_interface.h Update pc/ to not use implicit T* --> scoped_refptr<T> conversion 2022-01-04 16:19:33 +00:00
media_stream_track.h Move pc/media_stream_track.h to the api/ directory 2020-10-12 07:28:01 +00:00
media_types.cc Prepare to rename RTC_NOTREACHED to RTC_DCHECK_NOTREACHED 2021-11-15 21:44:59 +00:00
media_types.h Revert "Define cricket::MediaType in terms of webrtc::MediaType" 2021-05-12 17:06:58 +00:00
network_state_predictor.h Add base class NetworkPredictor and NetworkPredictorFactory and wire up. 2019-04-10 12:38:58 +00:00
notifier.h Add SequenceChecker on Notifier 2022-03-02 22:35:46 +00:00
OWNERS Remove inactive owners. 2021-08-31 14:27:49 +00:00
packet_socket_factory.h Prepare to rename RTC_NOTREACHED to RTC_DCHECK_NOTREACHED 2021-11-15 21:44:59 +00:00
peer_connection_interface.cc Deprecate RemoveTrack (old signature) 2022-01-04 20:44:07 +00:00
peer_connection_interface.h Make requesting SDES available only on Fuchsia builds 2022-04-05 06:12:50 +00:00
priority.h Pass datachannel priority in DC open messages 2020-05-17 10:57:27 +00:00
README.md Move style guide and abseil-in-webrtc into g3doc subfolder 2021-05-13 14:43:10 +00:00
ref_counted_base.h Remove RTC_DISALLOW_COPY_AND_ASSIGN more. 2022-01-20 11:00:18 +00:00
rtc_error.cc Return an error when datachannel closes due to network error 2019-12-08 17:33:54 +00:00
rtc_error.h Fix use-after-move in RTCErrorOr 2021-12-14 21:16:18 +00:00
rtc_error_unittest.cc Format almost everything. 2019-07-08 13:45:15 +00:00
rtc_event_log_output.h Use backticks not vertical bars to denote variables in comments for /api 2021-07-26 18:27:34 +00:00
rtc_event_log_output_file.cc Format almost everything. 2019-07-08 13:45:15 +00:00
rtc_event_log_output_file.h Format almost everything. 2019-07-08 13:45:15 +00:00
rtc_event_log_output_file_unittest.cc Rename several more tests that use EXPECT_DEATH to *DeathTest. 2020-05-18 16:10:04 +00:00
rtp_headers.cc Remove framemarking RTP extension. 2020-06-15 11:18:00 +00:00
rtp_headers.h Update rsid and mid spec links from draft to release version 2021-03-22 12:24:00 +00:00
rtp_packet_info.cc Make local to capturer clock offset a separate entry in PacketInfo. 2021-05-20 13:42:57 +00:00
rtp_packet_info.h Use backticks not vertical bars to denote variables in comments 2021-08-10 10:40:03 +00:00
rtp_packet_info_unittest.cc Make local to capturer clock offset a separate entry in PacketInfo. 2021-05-20 13:42:57 +00:00
rtp_packet_infos.h Extend make_ref_counted to interoperate with RefCountedNonVirtual 2022-01-11 16:06:34 +00:00
rtp_packet_infos_unittest.cc Use Timestamp to represent packet receive timestamps 2021-05-04 13:16:54 +00:00
rtp_parameters.cc Change SetLocalContent in channel classes to avoid Invoke. 2022-01-06 12:52:35 +00:00
rtp_parameters.h Change SetLocalContent in channel classes to avoid Invoke. 2022-01-06 12:52:35 +00:00
rtp_parameters_unittest.cc Change SetLocalContent in channel classes to avoid Invoke. 2022-01-06 12:52:35 +00:00
rtp_receiver_interface.cc Insert frame transformer between Depacketizer and Decoder. 2020-03-02 08:33:44 +00:00
rtp_receiver_interface.h Use backticks not vertical bars to denote variables in comments for /api 2021-07-26 18:27:34 +00:00
rtp_sender_interface.cc Insert frame transformer between Encoded and Packetizer. 2020-02-28 07:43:13 +00:00
rtp_sender_interface.h Enable Chromium to stop including api/proxy.h indirectly. 2021-05-21 09:35:35 +00:00
rtp_transceiver_direction.h RtpTransceiverInterface: add header_extensions_to_offer() 2020-03-16 13:16:42 +00:00
rtp_transceiver_interface.cc Reland "Remove some default implementations in api/rtp_transcever_interface" 2022-01-19 11:32:24 +00:00
rtp_transceiver_interface.h Reland "Remove some default implementations in api/rtp_transcever_interface" 2022-01-19 11:32:24 +00:00
scoped_refptr.h Reland "Delete implicit conversion from raw pointer to scoped_ref_ptr" 2022-02-08 08:40:44 +00:00
scoped_refptr_unittest.cc Update api/ to not use implicit T* --> scoped_refptr<T> conversion 2022-01-12 11:26:05 +00:00
sctp_transport_interface.cc Format almost everything. 2019-07-08 13:45:15 +00:00
sctp_transport_interface.h Reland "Fix unsynchronized access to mid_to_transport_ in JsepTransportController" 2021-02-10 13:40:22 +00:00
sequence_checker.h Fix an example in SequenceChecker documentation 2021-04-19 15:58:15 +00:00
sequence_checker_unittest.cc Reland "Refactor the PlatformThread API." 2021-05-07 14:14:43 +00:00
set_local_description_observer_interface.h Use backticks not vertical bars to denote variables in comments 2021-08-10 10:40:03 +00:00
set_remote_description_observer_interface.h Use backticks not vertical bars to denote variables in comments 2021-08-10 10:40:03 +00:00
stats_types.cc Remove typing detection 2022-03-23 10:23:54 +00:00
stats_types.h Remove typing detection 2022-03-23 10:23:54 +00:00
turn_customizer.h Use backticks not vertical bars to denote variables in comments for /api 2021-07-26 18:27:34 +00:00
uma_metrics.h count webrtc pranswer usage 2021-06-11 12:59:37 +00:00
video_track_source_constraints.h Route min/max FPS constraints to VideoStreamEncoder. 2021-10-14 06:49:05 +00:00
video_track_source_proxy_factory.h Use backticks not vertical bars to denote variables in comments for /api 2021-07-26 18:27:34 +00:00
webrtc_key_value_config.h WebRTC-DeprecateGlobalFieldTrialString/Enabled/ - part 12/inf 2022-03-29 10:14:00 +00:00
wrapping_async_dns_resolver.cc Add CreateAsyncDnsResolver to PacketSocketFactory API 2021-10-01 16:12:50 +00:00
wrapping_async_dns_resolver.h Add CreateAsyncDnsResolver to PacketSocketFactory API 2021-10-01 16:12:50 +00:00

README.md

How to write code in the api/ directory

Mostly, just follow the regular style guide, but:

  • Note that api/ code is not exempt from the “.h and .cc files come in pairs” rule, so if you declare something in api/path/to/foo.h, it should be defined in api/path/to/foo.cc.
  • Headers in api/ should, if possible, not #include headers outside api/. It’s not always possible to avoid this, but be aware that it adds to a small mountain of technical debt that we’re trying to shrink.
  • .cc files in api/, on the other hand, are free to #include headers outside api/.

That is, the preferred way for api/ code to access non-api/ code is to call it from a .cc file, so that users of our API headers won’t transitively #include non-public headers.

For headers in api/ that need to refer to non-public types, forward declarations are often a lesser evil than including non-public header files. The usual rules still apply, though.

.cc files in api/ should preferably be kept reasonably small. If a substantial implementation is needed, consider putting it with our non-public code, and just call it from the api/ .cc file.