Move dead submodules in-tree

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

externals/oboe/src/opensles/AudioStreamOpenSLES.h

@@ -0,0 +1,145 @@
+/*
+ * Copyright 2015 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_AUDIO_STREAM_OPENSL_ES_H_
+#define OBOE_AUDIO_STREAM_OPENSL_ES_H_
+
+#include <memory>
+
+#include "oboe/Oboe.h"
+#include "common/MonotonicCounter.h"
+#include "opensles/AudioStreamBuffered.h"
+#include "opensles/EngineOpenSLES.h"
+
+namespace oboe {
+
+constexpr int kBitsPerByte = 8;
+constexpr int kBufferQueueLengthDefault = 2; // double buffered for callbacks
+constexpr int kBufferQueueLengthMax = 8; // AudioFlinger won't use more than 8
+
+/**
+ * INTERNAL USE ONLY
+ *
+ * A stream that wraps OpenSL ES.
+ *
+ * Do not instantiate this class directly.
+ * Use an OboeStreamBuilder to create one.
+ */
+
+class AudioStreamOpenSLES : public AudioStreamBuffered {
+public:
+
+    AudioStreamOpenSLES();
+    explicit AudioStreamOpenSLES(const AudioStreamBuilder &builder);
+
+    virtual ~AudioStreamOpenSLES() = default;
+
+    virtual Result open() override;
+
+    /**
+     * Query the current state, eg. OBOE_STREAM_STATE_PAUSING
+     *
+     * @return state or a negative error.
+     */
+    StreamState getState() override { return mState.load(); }
+
+    AudioApi getAudioApi() const override {
+        return AudioApi::OpenSLES;
+    }
+
+    /**
+     * Process next OpenSL ES buffer.
+     * Called by by OpenSL ES framework.
+     *
+     * This is public, but don't call it directly.
+     *
+     * @return whether the current stream should be stopped.
+     */
+    bool processBufferCallback(SLAndroidSimpleBufferQueueItf bq);
+
+    Result waitForStateChange(StreamState currentState,
+                              StreamState *nextState,
+                              int64_t timeoutNanoseconds) override;
+
+protected:
+
+    /**
+     * Finish setting up the stream. Common for INPUT and OUTPUT.
+     *
+     * @param configItf
+     * @return SL_RESULT_SUCCESS if OK.
+     */
+    SLresult finishCommonOpen(SLAndroidConfigurationItf configItf);
+
+    // This must be called under mLock.
+    Result close_l();
+
+    SLuint32 channelCountToChannelMaskDefault(int channelCount) const;
+
+    virtual Result onBeforeDestroy() { return Result::OK; }
+    virtual Result onAfterDestroy() { return Result::OK; }
+
+    static SLuint32 getDefaultByteOrder();
+
+    int32_t getBufferDepth(SLAndroidSimpleBufferQueueItf bq);
+
+    int32_t calculateOptimalBufferQueueLength();
+    int32_t estimateNativeFramesPerBurst();
+
+    SLresult enqueueCallbackBuffer(SLAndroidSimpleBufferQueueItf bq);
+
+    SLresult configurePerformanceMode(SLAndroidConfigurationItf configItf);
+
+    PerformanceMode convertPerformanceMode(SLuint32 openslMode) const;
+    SLuint32 convertPerformanceMode(PerformanceMode oboeMode) const;
+
+    void logUnsupportedAttributes();
+
+    /**
+     * Internal use only.
+     * Use this instead of directly setting the internal state variable.
+     */
+    void setState(StreamState state) {
+        mState.store(state);
+    }
+
+    int64_t getFramesProcessedByServer();
+
+    // OpenSLES stuff
+    SLObjectItf                   mObjectInterface = nullptr;
+    SLAndroidSimpleBufferQueueItf mSimpleBufferQueueInterface = nullptr;
+    int                           mBufferQueueLength = 0;
+
+    int32_t                       mBytesPerCallback = oboe::kUnspecified;
+    MonotonicCounter              mPositionMillis; // for tracking OpenSL ES service position
+
+private:
+
+    constexpr static int kDoubleBufferCount = 2;
+
+    SLresult registerBufferQueueCallback();
+    SLresult updateStreamParameters(SLAndroidConfigurationItf configItf);
+    Result configureBufferSizes(int32_t sampleRate);
+
+    std::unique_ptr<uint8_t[]>    mCallbackBuffer[kBufferQueueLengthMax];
+    int                           mCallbackBufferIndex = 0;
+    std::atomic<StreamState>      mState{StreamState::Uninitialized};
+
+};
+
+} // namespace oboe
+
+#endif // OBOE_AUDIO_STREAM_OPENSL_ES_H_