1 files changed, 0 insertions, 81 deletions
diff --git a/externals/oboe/src/flowgraph/RampLinear.cpp b/externals/oboe/src/flowgraph/RampLinear.cpp
deleted file mode 100644
index 80ac72ad47..0000000000
--- a/externals/oboe/src/flowgraph/RampLinear.cpp
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright 2015 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 <algorithm>
-#include <unistd.h>
-#include "FlowGraphNode.h"
-#include "RampLinear.h"
-
-using namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph;
-
-RampLinear::RampLinear(int32_t channelCount)
-        : FlowGraphFilter(channelCount) {
-    mTarget.store(1.0f);
-}
-
-void RampLinear::setLengthInFrames(int32_t frames) {
-    mLengthInFrames = frames;
-}
-
-void RampLinear::setTarget(float target) {
-    mTarget.store(target);
-    // If the ramp has not been used then start immediately at this level.
-    if (mLastCallCount == kInitialCallCount) {
-        forceCurrent(target);
-    }
-}
-
-float RampLinear::interpolateCurrent() {
-    return mLevelTo - (mRemaining * mScaler);
-}
-
-int32_t RampLinear::onProcess(int32_t numFrames) {
-    const float *inputBuffer = input.getBuffer();
-    float *outputBuffer = output.getBuffer();
-    int32_t channelCount = output.getSamplesPerFrame();
-
-    float target = getTarget();
-    if (target != mLevelTo) {
-        // Start new ramp. Continue from previous level.
-        mLevelFrom = interpolateCurrent();
-        mLevelTo = target;
-        mRemaining = mLengthInFrames;
-        mScaler = (mLevelTo - mLevelFrom) / mLengthInFrames; // for interpolation
-    }
-
-    int32_t framesLeft = numFrames;
-
-    if (mRemaining > 0) { // Ramping? This doesn't happen very often.
-        int32_t framesToRamp = std::min(framesLeft, mRemaining);
-        framesLeft -= framesToRamp;
-        while (framesToRamp > 0) {
-            float currentLevel = interpolateCurrent();
-            for (int ch = 0; ch < channelCount; ch++) {
-                *outputBuffer++ = *inputBuffer++ * currentLevel;
-            }
-            mRemaining--;
-            framesToRamp--;
-        }
-    }
-
-    // Process any frames after the ramp.
-    int32_t samplesLeft = framesLeft * channelCount;
-    for (int i = 0; i < samplesLeft; i++) {
-        *outputBuffer++ = *inputBuffer++ * mLevelTo;
-    }
-
-    return numFrames;
-}