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This CL breaks up the CheckQp() operation into several steps managed by the inner helper class CheckQpTask, making responding to high or low QP an asynchronous operation. Why? Reconfiguring the stream in response to QP overuse will in the future be handled on a separate task queue. See Call-Level Adaptation Processing for more details: https://docs.google.com/document/d/1ZyC26yOCknrrcYa839ZWLxD6o6Gig5A3lVTh4E41074/edit?usp=sharing Instead of "bool AdaptDown()" when high QP is reported, synchronously returning true or false depending on the result of adaptation, this CL introduces void QualityScalerQpUsageHandlerInterface::OnReportQpUsageHigh( rtc::scoped_refptr<QualityScalerQpUsageHandlerCallback>); Where QualityScalerQpUsageHandlerCallback::OnQpUsageHandled( bool clear_qp_samples); Instructs the QualityScaler whether to clear samples before checking QP the next time or to increase the frequency of checking (corresponding to AdaptDown's return value prior to this CL). QualityScaler no longer using AdaptationObserverInterface, this class is renamed and moved to overuse_frame_detector.h. The dependency between CheckQpTasks is made explicit with CheckQpTask::Result and variables like observed_enough_frames_, adapt_called_ and adapt_failed_ are moved there and given more descriptive names. Bug: webrtc:11521 Change-Id: I7faf795aeee5ded18ce75eb1617f88226e337228 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/173760 Reviewed-by: Evan Shrubsole <eshr@google.com> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Henrik Boström <hbos@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31140} |
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| .. | ||
| decoded_frames_history.cc | ||
| decoded_frames_history.h | ||
| decoded_frames_history_unittest.cc | ||
| frame_dropper.cc | ||
| frame_dropper.h | ||
| frame_dropper_unittest.cc | ||
| framerate_controller.cc | ||
| framerate_controller.h | ||
| framerate_controller_unittest.cc | ||
| ivf_file_reader.cc | ||
| ivf_file_reader.h | ||
| ivf_file_reader_unittest.cc | ||
| ivf_file_writer.cc | ||
| ivf_file_writer.h | ||
| ivf_file_writer_unittest.cc | ||
| quality_scaler.cc | ||
| quality_scaler.h | ||
| quality_scaler_unittest.cc | ||
| simulcast_rate_allocator.cc | ||
| simulcast_rate_allocator.h | ||
| simulcast_rate_allocator_unittest.cc | ||
| simulcast_test_fixture_impl.cc | ||
| simulcast_test_fixture_impl.h | ||
| simulcast_utility.cc | ||
| simulcast_utility.h | ||
| vp8_header_parser.cc | ||
| vp8_header_parser.h | ||
| vp9_uncompressed_header_parser.cc | ||
| vp9_uncompressed_header_parser.h | ||