Move dead submodules in-tree

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

1 files changed, 47 insertions, 0 deletions

diff --git a/externals/oboe/src/flowgraph/ManyToMultiConverter.cpp b/externals/oboe/src/flowgraph/ManyToMultiConverter.cpp
new file mode 100644
index 0000000000..4f973bc3ff
--- /dev/null
+++ b/externals/oboe/src/flowgraph/ManyToMultiConverter.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2018 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 <unistd.h>
+
+#include "ManyToMultiConverter.h"
+
+using namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph;
+
+ManyToMultiConverter::ManyToMultiConverter(int32_t channelCount)
+        : inputs(channelCount)
+        , output(*this, channelCount) {
+    for (int i = 0; i < channelCount; i++) {
+        inputs[i] = std::make_unique<FlowGraphPortFloatInput>(*this, 1);
+    }
+}
+
+int32_t ManyToMultiConverter::onProcess(int32_t numFrames) {
+    int32_t channelCount = output.getSamplesPerFrame();
+
+    for (int ch = 0; ch < channelCount; ch++) {
+        const float *inputBuffer = inputs[ch]->getBuffer();
+        float *outputBuffer = output.getBuffer() + ch;
+
+        for (int i = 0; i < numFrames; i++) {
+            // read one, write into the proper interleaved output channel
+            float sample = *inputBuffer++;
+            *outputBuffer = sample;
+            outputBuffer += channelCount; // advance to next multichannel frame
+        }
+    }
+    return numFrames;
+}
+