Send refresh frames every 100 ms or so, so that the client does not think we are...

[nageru] / jpeg_frame_view.h

diff --git a/jpeg_frame_view.h b/jpeg_frame_view.h
index 9a4621d46b3bc512b27a04613bc7cd42d6d8642f..b8e26c4a3a98f35170d73e8445098e11488d7d01 100644 (file)
--- a/jpeg_frame_view.h
+++ b/jpeg_frame_view.h
@@ -27,6 +27,19 @@ enum CacheMissBehavior {
        RETURN_NULLPTR_IF_NOT_IN_CACHE
 };
 
+// This is, well, a hack. We hope for no collisions.
+inline JPEGID create_jpegid_for_interpolated_fade(unsigned stream_idx, int64_t pts, unsigned secondary_stream_idx, int64_t secondary_pts)
+{
+       JPEGID id;
+       id.stream_idx = (stream_idx << 8) | secondary_stream_idx;
+
+       uint64_t rot = secondary_stream_idx;
+       rot = (rot << 32) | (rot >> 32);
+       id.pts = pts ^ int64_t(rot);
+       id.interpolated = true;
+       return id;
+}
+
 std::string filename_for_frame(unsigned stream_idx, int64_t pts);
 std::shared_ptr<Frame> decode_jpeg(const std::string &filename);
 std::shared_ptr<Frame> decode_jpeg_with_cache(JPEGID id, CacheMissBehavior cache_miss_behavior, bool *did_decode);
@@ -38,7 +51,7 @@ public:
        JPEGFrameView(QWidget *parent);
 
        void setFrame(unsigned stream_idx, int64_t pts, bool interpolated, int secondary_stream_idx = -1, int64_t secondary_pts = -1, float fade_alpha = 0.0f);
-       static void insert_interpolated_frame(unsigned stream_idx, int64_t pts, std::shared_ptr<Frame> frame);
+       static void insert_interpolated_frame(JPEGID id, std::shared_ptr<Frame> frame);
 
        void mousePressEvent(QMouseEvent *event) override;