From b88adca781294ab9fefcbf4dcf08b91592142462 Mon Sep 17 00:00:00 2001
From: Arkadiusz Fal <arek@arekf.net>
Date: Fri, 17 Jun 2022 13:43:11 +0200
Subject: [PATCH] Add buffering and cache length to stats

---
 Model/Player/Backends/MPVBackend.swift      | 8 ++++++++
 Model/Player/Backends/MPVClient.swift       | 8 ++++++++
 Shared/Player/Controls/PlayerControls.swift | 4 +++-
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/Model/Player/Backends/MPVBackend.swift b/Model/Player/Backends/MPVBackend.swift
index 37fcc291..29a4843b 100644
--- a/Model/Player/Backends/MPVBackend.swift
+++ b/Model/Player/Backends/MPVBackend.swift
@@ -80,6 +80,14 @@ final class MPVBackend: PlayerBackend {
         client?.hwDecoder ?? "unknown"
     }
 
+    var bufferingState: Double {
+        client?.bufferingState ?? 0
+    }
+
+    var cacheDuration: Double {
+        client?.cacheDuration ?? 0
+    }
+
     init(model: PlayerModel, controls: PlayerControlsModel? = nil) {
         self.model = model
         self.controls = controls
diff --git a/Model/Player/Backends/MPVClient.swift b/Model/Player/Backends/MPVClient.swift
index bbcf2bd5..16788a29 100644
--- a/Model/Player/Backends/MPVClient.swift
+++ b/Model/Player/Backends/MPVClient.swift
@@ -155,6 +155,14 @@ final class MPVClient: ObservableObject {
         mpv.isNil ? "unknown" : (getString("hwdec-current") ?? "unknown")
     }
 
+    var bufferingState: Double {
+        mpv.isNil ? 0.0 : getDouble("cache-buffering-state")
+    }
+
+    var cacheDuration: Double {
+        mpv.isNil ? 0.0 : getDouble("demuxer-cache-duration")
+    }
+
     var duration: CMTime {
         CMTime.secondsInDefaultTimescale(mpv.isNil ? -1 : getDouble("duration"))
     }
diff --git a/Shared/Player/Controls/PlayerControls.swift b/Shared/Player/Controls/PlayerControls.swift
index b12e270b..084243a0 100644
--- a/Shared/Player/Controls/PlayerControls.swift
+++ b/Shared/Player/Controls/PlayerControls.swift
@@ -115,7 +115,9 @@ struct PlayerControls: View {
             Group {
                 Text("hw decoder: \(player.mpvBackend.hwDecoder)")
                 Text("dropped: \(player.mpvBackend.frameDropCount)")
-                Text("output fps: \(player.mpvBackend.outputFps)")
+                Text("video: \(String(format: "%.2ffps", player.mpvBackend.outputFps))")
+                Text("buffering: \(String(format: "%.0f%%", player.mpvBackend.bufferingState))")
+                Text("cache: \(String(format: "%.2fs", player.mpvBackend.cacheDuration))")
             }
             .padding(4)
             #if os(macOS)