X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=futatabi%2Fvideo_stream.h;h=422b1522a28a993d056d5eea2344a05ce13243c6;hb=94a228f7473325130704e96c82937b690703615b;hp=d522ab1e8f5a98f9494004599b9c1aa2a74a76c0;hpb=7833c9657adc431872bee7ae739c88e54518bd9d;p=nageru

diff --git a/futatabi/video_stream.h b/futatabi/video_stream.h
index d522ab1..422b152 100644
--- a/futatabi/video_stream.h
+++ b/futatabi/video_stream.h
@@ -121,7 +121,7 @@ private:
 		float alpha;
 		BorrowedInterpolatedFrameResources resources;
 		RefCountedGLsync fence;  // Set when the interpolated image is read back to the CPU.
-		GLuint flow_tex, output_tex, cbcr_tex;  // Released in the receiving thread; not really used for anything else.
+		GLuint flow_tex, output_tex, cbcr_tex;  // Released in the receiving thread; not really used for anything else. flow_tex will typically even be from a previous frame.
 		FrameOnDisk id;
 
 		std::function<void()> display_func;  // Called when the image is done decoding.
@@ -146,6 +146,10 @@ private:
 	std::unique_ptr<Interpolate> interpolate, interpolate_no_split;
 	std::unique_ptr<ChromaSubsampler> chroma_subsampler;
 
+	// Cached flow computation from previous frame, if any.
+	GLuint last_flow_tex = 0;
+	FrameOnDisk last_frame1, last_frame2;
+
 	std::vector<uint8_t> last_frame;
 };