From 1d9057cb9a754befc6f169bd06112f0ce61384ad Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Thu, 2 Nov 2017 20:03:53 +0100
Subject: osc: render seek ranges

Pretty fucking ugly, but I'm not a UI designer.

Of course only does something with --demuxer-seekable-cache.
---
 player/lua/osc.lua | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/player/lua/osc.lua b/player/lua/osc.lua
index cc0e0d0461..0ef0a8f668 100644
--- a/player/lua/osc.lua
+++ b/player/lua/osc.lua
@@ -594,6 +594,16 @@ function render_elements(master_ass)
                 end
             end
 
+            -- seek ranges
+            local seekRanges = element.slider.seekRangesF()
+            if not (seekRanges == nil) then
+                for _,range in pairs(seekRanges) do
+                    local pstart = get_slider_ele_pos_for(element, range["start"])
+                    local pend = get_slider_ele_pos_for(element, range["end"])
+                    elem_ass:rect_cw(pstart, 0, pend, 5)
+                end
+            end
+
             elem_ass:draw_stop()
 
             -- add tooltip
@@ -1746,6 +1756,22 @@ function osc_init()
             return ""
         end
     end
+    ne.slider.seekRangesF = function()
+        local cache_state = mp.get_property_native("demuxer-cache-state", nil)
+        if not cache_state then
+            return nil
+        end
+        local duration = mp.get_property_number("duration", nil)
+        if (duration == nil) or duration <= 0 then
+            return nil
+        end
+        local ranges = cache_state["seekable-ranges"]
+        for _, range in pairs(ranges) do
+            range["start"] = 100 * range["start"] / duration
+            range["end"] = 100 * range["end"] / duration
+        end
+        return ranges
+    end
     ne.eventresponder["mouse_move"] = --keyframe seeking when mouse is dragged
         function (element)
             -- mouse move events may pile up during seeking and may still get
-- 
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