Move dead submodules in-tree

Signed-off-by: swurl <swurl@swurl.xyz>

1 files changed, 67 insertions, 0 deletions

diff --git a/externals/oboe/apps/OboeTester/app/src/main/cpp/FullDuplexEcho.cpp b/externals/oboe/apps/OboeTester/app/src/main/cpp/FullDuplexEcho.cpp
new file mode 100644
index 0000000000..d54f669d24
--- /dev/null
+++ b/externals/oboe/apps/OboeTester/app/src/main/cpp/FullDuplexEcho.cpp
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2019 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 "common/OboeDebug.h"
+#include "FullDuplexEcho.h"
+
+oboe::Result  FullDuplexEcho::start() {
+    int32_t delayFrames = (int32_t) (kMaxDelayTimeSeconds * getOutputStream()->getSampleRate());
+    mDelayLine = std::make_unique<InterpolatingDelayLine>(delayFrames);
+    // Use peak detector for input streams
+    mNumChannels = getInputStream()->getChannelCount();
+    mPeakDetectors = std::make_unique<PeakDetector[]>(mNumChannels);
+    return FullDuplexStreamWithConversion::start();
+}
+
+double FullDuplexEcho::getPeakLevel(int index) {
+    if (mPeakDetectors == nullptr) {
+        LOGE("%s() called before setup()", __func__);
+        return -1.0;
+    } else if (index < 0 || index >= mNumChannels) {
+        LOGE("%s(), index out of range, 0 <= %d < %d", __func__, index, mNumChannels.load());
+        return -2.0;
+    }
+    return mPeakDetectors[index].getLevel();
+}
+
+oboe::DataCallbackResult FullDuplexEcho::onBothStreamsReadyFloat(
+        const float *inputData,
+        int   numInputFrames,
+        float *outputData,
+        int   numOutputFrames) {
+    int32_t framesToEcho = std::min(numInputFrames, numOutputFrames);
+    auto *inputFloat = const_cast<float *>(inputData);
+    float *outputFloat = outputData;
+    // zero out entire output array
+    memset(outputFloat, 0, static_cast<size_t>(numOutputFrames)
+            * static_cast<size_t>(getOutputStream()->getBytesPerFrame()));
+
+    int32_t inputStride = getInputStream()->getChannelCount();
+    int32_t outputStride = getOutputStream()->getChannelCount();
+    float delayFrames = mDelayTimeSeconds * getOutputStream()->getSampleRate();
+    while (framesToEcho-- > 0) {
+        *outputFloat = mDelayLine->process(delayFrames, *inputFloat); // mono delay
+
+        for (int iChannel = 0; iChannel < inputStride; iChannel++) {
+            float sample = * (inputFloat + iChannel);
+            mPeakDetectors[iChannel].process(sample);
+        }
+
+        inputFloat += inputStride;
+        outputFloat += outputStride;
+    }
+    return oboe::DataCallbackResult::Continue;
+};