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-rw-r--r--externals/oboe/src/flowgraph/MonoBlend.cpp46
1 files changed, 0 insertions, 46 deletions
diff --git a/externals/oboe/src/flowgraph/MonoBlend.cpp b/externals/oboe/src/flowgraph/MonoBlend.cpp
deleted file mode 100644
index 4fd75e19df..0000000000
--- a/externals/oboe/src/flowgraph/MonoBlend.cpp
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright 2021 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 "MonoBlend.h"
-
-using namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph;
-
-MonoBlend::MonoBlend(int32_t channelCount)
- : FlowGraphFilter(channelCount)
- , mInvChannelCount(1. / channelCount)
-{
-}
-
-int32_t MonoBlend::onProcess(int32_t numFrames) {
- int32_t channelCount = output.getSamplesPerFrame();
- const float *inputBuffer = input.getBuffer();
- float *outputBuffer = output.getBuffer();
-
- for (size_t i = 0; i < numFrames; ++i) {
- float accum = 0;
- for (size_t j = 0; j < channelCount; ++j) {
- accum += *inputBuffer++;
- }
- accum *= mInvChannelCount;
- for (size_t j = 0; j < channelCount; ++j) {
- *outputBuffer++ = accum;
- }
- }
-
- return numFrames;
-}