code

Plugins/AndroidVulkanVideo_5.3/Source/AndroidVulkanVideo/Private/IAudioOut.h

@@ -0,0 +1,38 @@
+// ------------------------------------------------
+// Copyright Joe Marshall 2024- All Rights Reserved
+// ------------------------------------------------
+//
+// interface for audio output classes. This is used
+// so that AndroidVulkanVideoImpl doesn't need to
+// know about Unreal, so I can keep Unreal and
+// Android code separate.
+// ------------------------------------------------
+#pragma once
+
+#include <chrono>
+
+class IAudioOut
+{
+  public:
+    virtual ~IAudioOut() {};
+    virtual void init(int sampleRate, int channels) = 0;
+    virtual void initSilent() = 0;
+    virtual void close() = 0;
+    virtual void sendBuffer(uint8_t *buf, int bufSize, int64_t presentationTimeNS,
+                            bool reset = false) = 0;
+    virtual int64_t getPresentationTimeNS() = 0; // current presentation time
+    virtual bool setVolume(float level) = 0;
+    virtual void setPlaying(bool playing) = 0;
+    virtual bool setRate(float rate) = 0;
+
+    virtual int64_t getQueuedTimeNS() = 0;
+
+    virtual void onSeek(int64_t newPresentationTimeNS, bool resetAudio) = 0;
+    virtual void onHasVideoTime(int64_t newPresentationTimeNS) = 0;
+
+    typedef std::chrono::nanoseconds NsDuration;
+    typedef std::chrono::time_point<std::chrono::steady_clock, NsDuration> NsTime;
+
+    virtual NsTime getWaitTimeForPresentationTime(int64_t presentationTimeNS,
+                                                  int64_t maxDuration) = 0;
+};