Merge pull request #1386 from MerryMage/audio-core-skeleton

Audio Core: Skeleton

1 files changed, 34 insertions, 0 deletions

diff --git a/src/audio_core/sink.h b/src/audio_core/sink.h
new file mode 100644
index 000000000..cad21a85e
--- /dev/null
+++ b/src/audio_core/sink.h
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+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+
+#include "common/common_types.h"
+
+namespace AudioCore {
+
+/**
+ * This class is an interface for an audio sink. An audio sink accepts samples in stereo signed PCM16 format to be output.
+ * Sinks *do not* handle resampling and expect the correct sample rate. They are dumb outputs.
+ */
+class Sink {
+public:
+    virtual ~Sink() = default;
+
+    /// The native rate of this sink. The sink expects to be fed samples that respect this. (Units: samples/sec)
+    virtual unsigned GetNativeSampleRate() const = 0;
+
+    /**
+     * Feed stereo samples to sink.
+     * @param samples Samples in interleaved stereo PCM16 format. Size of vector must be multiple of two.
+     */
+    virtual void EnqueueSamples(const std::vector<s16>& samples) = 0;
+
+    /// Samples enqueued that have not been played yet.
+    virtual std::size_t SamplesInQueue() const = 0;
+};
+
+} // namespace