diff options
Diffstat (limited to 'externals/oboe/apps/OboeTester/app/src/main/cpp/OboeTesterStreamCallback.cpp')
| -rw-r--r-- | externals/oboe/apps/OboeTester/app/src/main/cpp/OboeTesterStreamCallback.cpp | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/externals/oboe/apps/OboeTester/app/src/main/cpp/OboeTesterStreamCallback.cpp b/externals/oboe/apps/OboeTester/app/src/main/cpp/OboeTesterStreamCallback.cpp deleted file mode 100644 index 5109f67c95..0000000000 --- a/externals/oboe/apps/OboeTester/app/src/main/cpp/OboeTesterStreamCallback.cpp +++ /dev/null @@ -1,86 +0,0 @@ -/* - * Copyright 2020 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 <sched.h> -#include <cstring> - -#include "AudioStreamGateway.h" -#include "common/OboeDebug.h" -#include "oboe/Oboe.h" -#include "OboeStreamCallbackProxy.h" -#include "OboeTesterStreamCallback.h" -#include "OboeTools.h" -#include "synth/IncludeMeOnce.h" - -int32_t OboeTesterStreamCallback::mHangTimeMillis = 0; - -// Print if scheduler changes. -void OboeTesterStreamCallback::printScheduler() { -#if OBOE_ENABLE_LOGGING - int scheduler = sched_getscheduler(gettid()); - if (scheduler != mPreviousScheduler) { - int schedulerType = scheduler & 0xFFFF; // mask off high flags - LOGD("callback CPU scheduler = 0x%08x = %s", - scheduler, - ((schedulerType == SCHED_FIFO) ? "SCHED_FIFO" : - ((schedulerType == SCHED_OTHER) ? "SCHED_OTHER" : - ((schedulerType == SCHED_RR) ? "SCHED_RR" : "UNKNOWN"))) - ); - mPreviousScheduler = scheduler; - } -#endif -} - -// Sleep to cause an XRun. Then reschedule. -void OboeTesterStreamCallback::maybeHang(const int64_t startNanos) { - if (mHangTimeMillis == 0) return; - - if (startNanos > mNextTimeToHang) { - LOGD("%s() start sleeping", __func__); - // Take short naps until it is time to wake up. - int64_t nowNanos = startNanos; - int64_t wakeupNanos = startNanos + (mHangTimeMillis * NANOS_PER_MILLISECOND); - while (nowNanos < wakeupNanos && mHangTimeMillis > 0) { - int32_t sleepTimeMicros = (int32_t) ((wakeupNanos - nowNanos) / 1000); - if (sleepTimeMicros == 0) break; - // The usleep() function can fail if it sleeps for more than one second. - // So sleep for several small intervals. - // This also allows us to exit the loop if mHangTimeMillis gets set to zero. - const int32_t maxSleepTimeMicros = 100 * 1000; - sleepTimeMicros = std::min(maxSleepTimeMicros, sleepTimeMicros); - usleep(sleepTimeMicros); - nowNanos = getNanoseconds(); - } - // Calculate when we hang again. - const int32_t minDurationMillis = 500; - const int32_t maxDurationMillis = std::max(10000, mHangTimeMillis * 2); - int32_t durationMillis = mHangTimeMillis * 10; - durationMillis = std::max(minDurationMillis, std::min(maxDurationMillis, durationMillis)); - mNextTimeToHang = startNanos + (durationMillis * NANOS_PER_MILLISECOND); - LOGD("%s() slept for %d msec, durationMillis = %d", __func__, - (int)((nowNanos - startNanos) / 1e6L), - durationMillis); - } -} - -int64_t OboeTesterStreamCallback::getNanoseconds(clockid_t clockId) { - struct timespec time; - int result = clock_gettime(clockId, &time); - if (result < 0) { - return result; - } - return (time.tv_sec * 1e9) + time.tv_nsec; -}
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