1 files changed, 0 insertions, 106 deletions
diff --git a/externals/oboe/apps/OboeTester/app/src/main/cpp/analyzer/DataPathAnalyzer.h b/externals/oboe/apps/OboeTester/app/src/main/cpp/analyzer/DataPathAnalyzer.h
deleted file mode 100644
index deabaa96a3..0000000000
--- a/externals/oboe/apps/OboeTester/app/src/main/cpp/analyzer/DataPathAnalyzer.h
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Copyright (C) 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.
- */
-
-#ifndef ANALYZER_DATA_PATH_ANALYZER_H
-#define ANALYZER_DATA_PATH_ANALYZER_H
-
-#include <algorithm>
-#include <cctype>
-#include <iomanip>
-#include <iostream>
-#include <math.h>
-
-#include "BaseSineAnalyzer.h"
-#include "InfiniteRecording.h"
-#include "LatencyAnalyzer.h"
-
-/**
- * Output a steady sine wave and analyze the return signal.
- *
- * Use a cosine transform to measure the predicted magnitude and relative phase of the
- * looped back sine wave.
- */
-class DataPathAnalyzer : public BaseSineAnalyzer {
-public:
-
-    DataPathAnalyzer() : BaseSineAnalyzer() {
-        // Add a little bit of noise to reduce blockage by speaker protection and DRC.
-        setNoiseAmplitude(0.02);
-    }
-
-    double calculatePhaseError(double p1, double p2) {
-        double diff = p1 - p2;
-        // Wrap around the circle.
-        while (diff > M_PI) {
-            diff -= (2 * M_PI);
-        }
-        while (diff < -M_PI) {
-            diff += (2 * M_PI);
-        }
-        return diff;
-    }
-
-    /**
-     * @param frameData contains microphone data with sine signal feedback
-     * @param channelCount
-     */
-    result_code processInputFrame(const float *frameData, int /* channelCount */) override {
-        result_code result = RESULT_OK;
-
-        float sample = frameData[getInputChannel()];
-        mInfiniteRecording.write(sample);
-
-        if (transformSample(sample)) {
-            // Analyze magnitude and phase on every period.
-            if (mPhaseOffset != kPhaseInvalid) {
-                double diff = fabs(calculatePhaseError(mPhaseOffset, mPreviousPhaseOffset));
-                if (diff < mPhaseTolerance) {
-                    mMaxMagnitude = std::max(mMagnitude, mMaxMagnitude);
-                }
-                mPreviousPhaseOffset = mPhaseOffset;
-            }
-        }
-        return result;
-    }
-
-    std::string analyze() override {
-        std::stringstream report;
-        report << "DataPathAnalyzer ------------------\n";
-        report << LOOPBACK_RESULT_TAG "sine.magnitude     = " << std::setw(8)
-               << mMagnitude << "\n";
-        report << LOOPBACK_RESULT_TAG "frames.accumulated = " << std::setw(8)
-               << mFramesAccumulated << "\n";
-        report << LOOPBACK_RESULT_TAG "sine.period        = " << std::setw(8)
-               << mSinePeriod << "\n";
-        return report.str();
-    }
-
-    void reset() override {
-        BaseSineAnalyzer::reset();
-        mPreviousPhaseOffset = 999.0; // Arbitrary high offset to prevent early lock.
-        mMaxMagnitude = 0.0;
-    }
-
-    double getMaxMagnitude() {
-        return mMaxMagnitude;
-    }
-
-private:
-    double  mPreviousPhaseOffset = 0.0;
-    double  mPhaseTolerance = 2 * M_PI  / 48;
-    double  mMaxMagnitude = 0.0;
-};
-#endif // ANALYZER_DATA_PATH_ANALYZER_H