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authorswurl <swurl@swurl.xyz>2025-05-31 02:33:02 -0400
committerswurl <swurl@swurl.xyz>2025-05-31 02:33:02 -0400
commit6c655321e6b04b8648802e296bb5ca11d290ae68 (patch)
tree5c906511e4a2910ce8b806bb9d763b524c28619e /externals/oboe/apps/OboeTester/app/src/main/cpp/TestRoutingCrash.cpp
parentc0cceff365f754f8859f4c9a0362ebdba7ea388b (diff)
Move dead submodules in-tree
Signed-off-by: swurl <swurl@swurl.xyz>
Diffstat (limited to 'externals/oboe/apps/OboeTester/app/src/main/cpp/TestRoutingCrash.cpp')
-rw-r--r--externals/oboe/apps/OboeTester/app/src/main/cpp/TestRoutingCrash.cpp111
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diff --git a/externals/oboe/apps/OboeTester/app/src/main/cpp/TestRoutingCrash.cpp b/externals/oboe/apps/OboeTester/app/src/main/cpp/TestRoutingCrash.cpp
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+++ b/externals/oboe/apps/OboeTester/app/src/main/cpp/TestRoutingCrash.cpp
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2023 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 <stdlib.h>
+#include <aaudio/AAudioExtensions.h>
+
+#include "common/OboeDebug.h"
+#include "oboe/AudioClock.h"
+#include "TestRoutingCrash.h"
+
+using namespace oboe;
+
+// open start start an Oboe stream
+int32_t TestRoutingCrash::start(bool useInput) {
+
+ mDataCallback = std::make_shared<MyDataCallback>(this);
+
+ // Disable MMAP because we are trying to crash a Legacy Stream.
+ bool wasMMapEnabled = AAudioExtensions::getInstance().isMMapEnabled();
+ AAudioExtensions::getInstance().setMMapEnabled(false);
+
+ AudioStreamBuilder builder;
+ oboe::Result result = builder.setFormat(oboe::AudioFormat::Float)
+#if 1
+ ->setPerformanceMode(oboe::PerformanceMode::LowLatency)
+#else
+ ->setPerformanceMode(oboe::PerformanceMode::None)
+#endif
+ ->setDirection(useInput ? oboe::Direction::Input : oboe::Direction::Output)
+ ->setChannelCount(kChannelCount)
+ ->setDataCallback(mDataCallback)
+ // Use VoiceCommunication so we can reroute it by setting SpeakerPhone ON/OFF.
+ ->setUsage(oboe::Usage::VoiceCommunication)
+ ->openStream(mStream);
+ if (result != oboe::Result::OK) {
+ return (int32_t) result;
+ }
+
+ AAudioExtensions::getInstance().setMMapEnabled(wasMMapEnabled);
+ return (int32_t) mStream->requestStart();
+}
+
+int32_t TestRoutingCrash::stop() {
+ oboe::Result result1 = mStream->requestStop();
+ oboe::Result result2 = mStream->close();
+ return (int32_t)((result1 != oboe::Result::OK) ? result1 : result2);
+}
+
+// Callback that sleeps then touches the audio buffer.
+DataCallbackResult TestRoutingCrash::MyDataCallback::onAudioReady(
+ AudioStream *audioStream,
+ void *audioData,
+ int32_t numFrames) {
+ float *floatData = (float *) audioData;
+
+ // If I call getTimestamp() here it does NOT crash!
+
+ // Simulate the timing of a heavy workload by sleeping.
+ // Otherwise the window for the crash is very narrow.
+ const double kDutyCycle = 0.7;
+ const double bufferTimeNanos = 1.0e9 * numFrames / (double) audioStream->getSampleRate();
+ const int64_t targetDurationNanos = (int64_t) (bufferTimeNanos * kDutyCycle);
+ if (targetDurationNanos > 0) {
+ AudioClock::sleepForNanos(targetDurationNanos);
+ }
+ const double kFilterCoefficient = 0.95; // low pass IIR filter
+ const double sleepMicros = targetDurationNanos * 0.0001;
+ mParent->averageSleepTimeMicros = ((1.0 - kFilterCoefficient) * sleepMicros)
+ + (kFilterCoefficient * mParent->averageSleepTimeMicros);
+
+ // If I call getTimestamp() here it crashes.
+ audioStream->getTimestamp(CLOCK_MONOTONIC); // Trigger a restoreTrack_l() in framework.
+
+ const int numSamples = numFrames * kChannelCount;
+ if (audioStream->getDirection() == oboe::Direction::Input) {
+ // Read buffer and write sum of samples to a member variable.
+ // We just want to touch the memory and not get optimized away by the compiler.
+ float sum = 0.0f;
+ for (int i = 0; i < numSamples; i++) {
+ sum += *floatData++;
+ }
+ mInputSum = sum;
+ } else {
+ // Fill mono buffer with a sine wave.
+ // If the routing occurred then the buffer may be dead and
+ // we may be writing into unallocated memory.
+ for (int i = 0; i < numSamples; i++) {
+ *floatData++ = sinf(mPhase) * 0.2f;
+ mPhase += kPhaseIncrement;
+ // Wrap the phase around in a circle.
+ if (mPhase >= M_PI) mPhase -= 2 * M_PI;
+ }
+ }
+
+ // If I call getTimestamp() here it does NOT crash!
+
+ return oboe::DataCallbackResult::Continue;
+}