1 files changed, 0 insertions, 118 deletions
diff --git a/externals/oboe/samples/iolib/src/main/cpp/player/SampleBuffer.cpp b/externals/oboe/samples/iolib/src/main/cpp/player/SampleBuffer.cpp
deleted file mode 100644
index f3694b3c00..0000000000
--- a/externals/oboe/samples/iolib/src/main/cpp/player/SampleBuffer.cpp
+++ /dev/null
@@ -1,118 +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.
- */
-
-#include "SampleBuffer.h"
-
-// Resampler Includes
-#include <resampler/MultiChannelResampler.h>
-
-#include "wav/WavStreamReader.h"
-
-using namespace RESAMPLER_OUTER_NAMESPACE::resampler;
-
-namespace iolib {
-
-void SampleBuffer::loadSampleData(parselib::WavStreamReader* reader) {
-    mAudioProperties.channelCount = reader->getNumChannels();
-    mAudioProperties.sampleRate = reader->getSampleRate();
-
-    reader->positionToAudio();
-
-    mNumSamples = reader->getNumSampleFrames() * reader->getNumChannels();
-    mSampleData = new float[mNumSamples];
-
-    reader->getDataFloat(mSampleData, reader->getNumSampleFrames());
-}
-
-void SampleBuffer::unloadSampleData() {
-    if (mSampleData != nullptr) {
-        delete[] mSampleData;
-        mSampleData = nullptr;
-    }
-    mNumSamples = 0;
-}
-
-class ResampleBlock {
-public:
-    int32_t mSampleRate;
-    float*  mBuffer;
-    int32_t mNumSamples;
-};
-
-void resampleData(const ResampleBlock& input, ResampleBlock* output, int numChannels) {
-    // Calculate output buffer size
-    double temp =
-            ((double)input.mNumSamples * (double)output->mSampleRate) / (double)input.mSampleRate;
-
-    // round up
-    int32_t numOutFramesAllocated = (int32_t)(temp + 0.5);
-    // We iterate thousands of times through the loop. Roundoff error could accumulate
-    // so add a few more frames for padding
-    numOutFramesAllocated += 8;
-
-    MultiChannelResampler *resampler = MultiChannelResampler::make(
-            numChannels, // channel count
-            input.mSampleRate, // input sampleRate
-            output->mSampleRate, // output sampleRate
-            MultiChannelResampler::Quality::Medium); // conversion quality
-
-    float *inputBuffer = input.mBuffer;;     // multi-channel buffer to be consumed
-    float *outputBuffer = new float[numOutFramesAllocated];    // multi-channel buffer to be filled
-    output->mBuffer = outputBuffer;
-
-    int numOutputSamples = 0;
-    int inputSamplesLeft = input.mNumSamples;
-    while ((inputSamplesLeft > 0) && (numOutputSamples < numOutFramesAllocated)) {
-        if(resampler->isWriteNeeded()) {
-            resampler->writeNextFrame(inputBuffer);
-            inputBuffer += numChannels;
-            inputSamplesLeft -= numChannels;
-        } else {
-            resampler->readNextFrame(outputBuffer);
-            outputBuffer += numChannels;
-            numOutputSamples += numChannels;
-        }
-    }
-    output->mNumSamples = numOutputSamples;
-
-    delete resampler;
-}
-
-void SampleBuffer::resampleData(int sampleRate) {
-    if (mAudioProperties.sampleRate == sampleRate) {
-        // nothing to do
-        return;
-    }
-
-    ResampleBlock inputBlock;
-    inputBlock.mBuffer = mSampleData;
-    inputBlock.mNumSamples = mNumSamples;
-    inputBlock.mSampleRate = mAudioProperties.sampleRate;
-
-    ResampleBlock outputBlock;
-    outputBlock.mSampleRate = sampleRate;
-    iolib::resampleData(inputBlock, &outputBlock, mAudioProperties.channelCount);
-
-    // delete previous samples
-    delete[] mSampleData;
-
-    // install the resampled data
-    mSampleData = outputBlock.mBuffer;
-    mNumSamples = outputBlock.mNumSamples;
-    mAudioProperties.sampleRate = outputBlock.mSampleRate;
-}
-
-} // namespace iolib