VolumeShaper: Update Direct/Offload to use media time
Test: atest --host monotonicframecounter_tests
Test: atest VolumeShaperTest
Bug: 253083520
Merged-In: I0d8d73e70ed52c760cd483ebdb62e0f10b7f642d
Change-Id: I0d8d73e70ed52c760cd483ebdb62e0f10b7f642d
diff --git a/services/audioflinger/timing/MonotonicFrameCounter.cpp b/services/audioflinger/timing/MonotonicFrameCounter.cpp
new file mode 100644
index 0000000..286f549
--- /dev/null
+++ b/services/audioflinger/timing/MonotonicFrameCounter.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+// #define LOG_NDEBUG 0
+#define LOG_TAG "MonotonicFrameCounter"
+
+#include <utils/Log.h>
+#include "MonotonicFrameCounter.h"
+
+namespace android::audioflinger {
+
+int64_t MonotonicFrameCounter::updateAndGetMonotonicFrameCount(
+ int64_t newFrameCount, int64_t newTime) {
+ if (newFrameCount < 0 || newTime < 0) {
+ const auto result = getLastReportedFrameCount();
+ ALOGW("%s: invalid (frame, time) pair newFrameCount:%lld newFrameCount:%lld,"
+ " using %lld as frameCount",
+ __func__, (long long) newFrameCount, (long long)newFrameCount,
+ (long long)result);
+ return result;
+ }
+ if (newFrameCount < mLastReceivedFrameCount) {
+ const auto result = getLastReportedFrameCount();
+ ALOGW("%s: retrograde newFrameCount:%lld < mLastReceivedFrameCount:%lld,"
+ " ignoring, returning %lld as frameCount",
+ __func__, (long long) newFrameCount, (long long)mLastReceivedFrameCount,
+ (long long)result);
+ return result;
+ }
+ // Input looks fine.
+ // For better granularity, we could consider extrapolation on newTime.
+ mLastReceivedFrameCount = newFrameCount;
+ return getLastReportedFrameCount();
+}
+
+int64_t MonotonicFrameCounter::onFlush() {
+ ALOGV("%s: Updating mOffsetFrameCount:%lld with mLastReceivedFrameCount:%lld",
+ __func__, (long long)mOffsetFrameCount, (long long)mLastReceivedFrameCount);
+ mOffsetFrameCount += mLastReceivedFrameCount;
+ mLastReceivedFrameCount = 0;
+ return mOffsetFrameCount;
+}
+
+} // namespace android::audioflinger