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33 
34 #ifndef GMP_VIDEO_HOST_h_
35 #define GMP_VIDEO_HOST_h_
36 
37 #include "gmp-errors.h"
38 #include "gmp-video-frame-i420.h"
39 #include "gmp-video-frame-encoded.h"
40 #include "gmp-video-codec.h"
41 
42 // This interface must be called on the main thread only.
43 class GMPVideoHost {
44  public:
45   // Construct various video API objects. Host does not retain reference,
46   // caller is owner and responsible for deleting.
47   // MAIN THREAD ONLY
48   virtual GMPErr CreateFrame(GMPVideoFrameFormat aFormat,
49                              GMPVideoFrame** aFrame) = 0;
50   virtual GMPErr CreatePlane(GMPPlane** aPlane) = 0;
51 };
52 
53 #endif  // GMP_VIDEO_HOST_h_
54