APM: Add build flag to allow building WebRTC without APM
This CL adds a build flag to allow building the non-test parts
of WebRTC without the audio processing module.
The CL also ensures that the WebRTC code correctly handles
the case when no APM is available.
Bug: webrtc:5298
Change-Id: I5c8b5d1f7115e5cce2af4c2b5ff701fa1c54e49e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/171509
Commit-Queue: Per Åhgren <peah@webrtc.org>
Reviewed-by: Sam Zackrisson <saza@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31133}
diff --git a/audio/audio_send_stream.cc b/audio/audio_send_stream.cc
index acdc73b..a44b55f 100644
--- a/audio/audio_send_stream.cc
+++ b/audio/audio_send_stream.cc
@@ -490,9 +490,11 @@
stats.typing_noise_detected = audio_state()->typing_noise_detected();
stats.ana_statistics = channel_send_->GetANAStatistics();
- RTC_DCHECK(audio_state_->audio_processing());
- stats.apm_statistics =
- audio_state_->audio_processing()->GetStatistics(has_remote_tracks);
+
+ AudioProcessing* ap = audio_state_->audio_processing();
+ if (ap) {
+ stats.apm_statistics = ap->GetStatistics(has_remote_tracks);
+ }
stats.report_block_datas = std::move(call_stats.report_block_datas);
