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authorswurl <swurl@swurl.xyz>2025-05-31 02:33:02 -0400
committerswurl <swurl@swurl.xyz>2025-05-31 02:33:02 -0400
commit6c655321e6b04b8648802e296bb5ca11d290ae68 (patch)
tree5c906511e4a2910ce8b806bb9d763b524c28619e /externals/oboe/src/common/DataConversionFlowGraph.h
parentc0cceff365f754f8859f4c9a0362ebdba7ea388b (diff)
Move dead submodules in-tree
Signed-off-by: swurl <swurl@swurl.xyz>
Diffstat (limited to 'externals/oboe/src/common/DataConversionFlowGraph.h')
-rw-r--r--externals/oboe/src/common/DataConversionFlowGraph.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/externals/oboe/src/common/DataConversionFlowGraph.h b/externals/oboe/src/common/DataConversionFlowGraph.h
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+/*
+ * 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