From 6c655321e6b04b8648802e296bb5ca11d290ae68 Mon Sep 17 00:00:00 2001
From: swurl <swurl@swurl.xyz>
Date: Sat, 31 May 2025 02:33:02 -0400
Subject: Move dead submodules in-tree

Signed-off-by: swurl <swurl@swurl.xyz>
---
 .../oboe/src/common/DataConversionFlowGraph.h      | 86 ++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 externals/oboe/src/common/DataConversionFlowGraph.h

(limited to 'externals/oboe/src/common/DataConversionFlowGraph.h')

diff --git a/externals/oboe/src/common/DataConversionFlowGraph.h b/externals/oboe/src/common/DataConversionFlowGraph.h
new file mode 100644
index 0000000000..0cde1f353c
--- /dev/null
+++ b/externals/oboe/src/common/DataConversionFlowGraph.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#ifndef OBOE_OBOE_FLOW_GRAPH_H
+#define OBOE_OBOE_FLOW_GRAPH_H
+
+#include <memory>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <flowgraph/ChannelCountConverter.h>
+#include <flowgraph/MonoToMultiConverter.h>
+#include <flowgraph/MultiToMonoConverter.h>
+#include <flowgraph/SampleRateConverter.h>
+#include <oboe/Definitions.h>
+#include "AudioSourceCaller.h"
+#include "FixedBlockWriter.h"
+
+namespace oboe {
+
+class AudioStream;
+class AudioSourceCaller;
+
+/**
+ * Convert PCM channels, format and sample rate for optimal latency.
+ */
+class DataConversionFlowGraph : public FixedBlockProcessor {
+public:
+
+    DataConversionFlowGraph()
+    : mBlockWriter(*this) {}
+
+    void setSource(const void *buffer, int32_t numFrames);
+
+    /** Connect several modules together to convert from source to sink.
+     * This should only be called once for each instance.
+     *
+     * @param sourceFormat
+     * @param sourceChannelCount
+     * @param sinkFormat
+     * @param sinkChannelCount
+     * @return
+     */
+    oboe::Result configure(oboe::AudioStream *sourceStream, oboe::AudioStream *sinkStream);
+
+    int32_t read(void *buffer, int32_t numFrames, int64_t timeoutNanos);
+
+    int32_t write(void *buffer, int32_t numFrames);
+
+    int32_t onProcessFixedBlock(uint8_t *buffer, int32_t numBytes) override;
+
+    DataCallbackResult getDataCallbackResult() {
+        return mCallbackResult;
+    }
+
+private:
+    std::unique_ptr<flowgraph::FlowGraphSourceBuffered>    mSource;
+    std::unique_ptr<AudioSourceCaller>                 mSourceCaller;
+    std::unique_ptr<flowgraph::MonoToMultiConverter>   mMonoToMultiConverter;
+    std::unique_ptr<flowgraph::MultiToMonoConverter>   mMultiToMonoConverter;
+    std::unique_ptr<flowgraph::ChannelCountConverter>  mChannelCountConverter;
+    std::unique_ptr<resampler::MultiChannelResampler>  mResampler;
+    std::unique_ptr<flowgraph::SampleRateConverter>    mRateConverter;
+    std::unique_ptr<flowgraph::FlowGraphSink>              mSink;
+
+    FixedBlockWriter                                   mBlockWriter;
+    DataCallbackResult                                 mCallbackResult = DataCallbackResult::Continue;
+    AudioStream                                       *mFilterStream = nullptr;
+    std::unique_ptr<uint8_t[]>                         mAppBuffer;
+};
+
+}
+#endif //OBOE_OBOE_FLOW_GRAPH_H
-- 
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