Move dead submodules in-tree

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

1 files changed, 58 insertions, 0 deletions

diff --git a/externals/oboe/samples/hello-oboe/src/main/cpp/SoundGenerator.h b/externals/oboe/samples/hello-oboe/src/main/cpp/SoundGenerator.h
new file mode 100644
index 0000000000..1ffae37f0f
--- /dev/null
+++ b/externals/oboe/samples/hello-oboe/src/main/cpp/SoundGenerator.h
@@ -0,0 +1,58 @@
+/*
+ * 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.
+ */
+
+#ifndef SAMPLES_SOUNDGENERATOR_H
+#define SAMPLES_SOUNDGENERATOR_H
+
+
+#include <Oscillator.h>
+#include <TappableAudioSource.h>
+
+/**
+ * Generates a fixed frequency tone for each channel.
+ * Implements RenderableTap (sound source with toggle) which is required for AudioEngines.
+ */
+class SoundGenerator : public TappableAudioSource {
+    static constexpr size_t kSharedBufferSize = 1024;
+public:
+    /**
+     * Create a new SoundGenerator object.
+     *
+     * @param sampleRate - The output sample rate.
+     * @param maxFrames - The maximum number of audio frames which will be rendered, this is used to
+     * calculate this object's internal buffer size.
+     * @param channelCount - The number of channels in the output, one tone will be created for each
+     * channel, the output will be interlaced.
+     *
+     */
+    SoundGenerator(int32_t sampleRate, int32_t channelCount);
+    ~SoundGenerator() = default;
+
+    SoundGenerator(SoundGenerator&& other) = default;
+    SoundGenerator& operator= (SoundGenerator&& other) = default;
+
+    // Switch the tones on
+    void tap(bool isOn) override;
+
+    void renderAudio(float *audioData, int32_t numFrames) override;
+
+private:
+    std::unique_ptr<Oscillator[]> mOscillators;
+    std::unique_ptr<float[]> mBuffer = std::make_unique<float[]>(kSharedBufferSize);
+};
+
+
+#endif //SAMPLES_SOUNDGENERATOR_H