From 6c655321e6b04b8648802e296bb5ca11d290ae68 Mon Sep 17 00:00:00 2001 From: swurl Date: Sat, 31 May 2025 02:33:02 -0400 Subject: Move dead submodules in-tree Signed-off-by: swurl --- .../src/main/cpp/LatencyTuningCallback.cpp | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 externals/oboe/samples/hello-oboe/src/main/cpp/LatencyTuningCallback.cpp (limited to 'externals/oboe/samples/hello-oboe/src/main/cpp/LatencyTuningCallback.cpp') diff --git a/externals/oboe/samples/hello-oboe/src/main/cpp/LatencyTuningCallback.cpp b/externals/oboe/samples/hello-oboe/src/main/cpp/LatencyTuningCallback.cpp new file mode 100644 index 0000000000..7d53c43047 --- /dev/null +++ b/externals/oboe/samples/hello-oboe/src/main/cpp/LatencyTuningCallback.cpp @@ -0,0 +1,45 @@ +/** + * Copyright 2017 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "LatencyTuningCallback.h" + +oboe::DataCallbackResult LatencyTuningCallback::onAudioReady( + oboe::AudioStream *oboeStream, void *audioData, int32_t numFrames) { + if (oboeStream != mStream) { + mStream = oboeStream; + mLatencyTuner = std::make_unique(*oboeStream); + } + if (mBufferTuneEnabled + && mLatencyTuner + && oboeStream->getAudioApi() == oboe::AudioApi::AAudio) { + mLatencyTuner->tune(); + } + auto underrunCountResult = oboeStream->getXRunCount(); + int bufferSize = oboeStream->getBufferSizeInFrames(); + /** + * The following output can be seen by running a systrace. Tracing is preferable to logging + * inside the callback since tracing does not block. + * + * See https://developer.android.com/studio/profile/systrace-commandline.html + */ + if (Trace::isEnabled()) Trace::beginSection("numFrames %d, Underruns %d, buffer size %d", + numFrames, underrunCountResult.value(), bufferSize); + auto result = DefaultDataCallback::onAudioReady(oboeStream, audioData, numFrames); + if (Trace::isEnabled()) Trace::endSection(); + return result; +} + + -- cgit v1.2.3