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The `recommended_stream_analog_level()` getter is used to retrieve both the applied and the recommended input volume. This behavior is error-prone since the caller must know what is returned based on the point in the code (namely, before/after the AGC has changed the last applied input volume into a recommended level). This CL is a first step to make clarity on which input volume is handled in different parts of APM. Next in the pipeline: make `recommended_stream_analog_level()` a trivial getter that always returns the recommended level. Main changes: - When `recommended_stream_analog_level()` is called but `set_stream_analog_level()` is not called, APM logs an error and returns a fall-back volume (which should not be applied since, when `set_stream_analog_level()` is not called, no external input volume is expected to be present - When APM is used without calling the `*_stream_analog_level()` methods (e.g., when the caller does not provide any input volume), the recorded AEC dumps won't store `Stream::applied_input_level` Other changes: - Removed `AudioProcessingImpl::capture_::prev_analog_mic_level` - Removed redundant code in `GainController2` around detecting input volume changes (already done by APM) - Adapted the `audioproc_f` and `unpack_aecdump` tools - Data dumps clean-up: the applied and the recommended input volumes are now recorded in an AGC implementation agnostic way Bug: webrtc:7494, b/241923537 Change-Id: I3cb4a731fd9f3dc19bf6ac679b7ed8c969ea283b Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/271544 Reviewed-by: Per Åhgren <peah@webrtc.org> Reviewed-by: Hanna Silen <silen@webrtc.org> Commit-Queue: Alessio Bazzica <alessiob@webrtc.org> Cr-Commit-Position: refs/heads/main@{#38054} |
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| .. | ||
| aec_dump.cc | ||
| aec_dump.h | ||
| audio_frame_proxies.cc | ||
| audio_frame_proxies.h | ||
| audio_frame_view.h | ||
| audio_processing.cc | ||
| audio_processing.h | ||
| audio_processing_statistics.cc | ||
| audio_processing_statistics.h | ||
| mock_audio_processing.h | ||