From 0a343369bad108e7a2267345adb71aa8687a4ddb Mon Sep 17 00:00:00 2001
From: der richter <der.richter@gmx.de>
Date: Thu, 8 Feb 2024 01:05:25 +0100
Subject: [PATCH] mac/remote: add playback rate info

also rate limit the position to update at max once per second.
---
 osdep/macos/remote_command_center.swift | 7 +++++--
 osdep/macosx_events.m                   | 1 +
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/osdep/macos/remote_command_center.swift b/osdep/macos/remote_command_center.swift
index e3060516ed..4eb112d936 100644
--- a/osdep/macos/remote_command_center.swift
+++ b/osdep/macos/remote_command_center.swift
@@ -46,6 +46,7 @@ class RemoteCommandCenter: NSObject {
     var isPaused: Bool = false { didSet { updateInfoCenter() } }
     var duration: Double = 0 { didSet { updateInfoCenter() } }
     var position: Double = 0 { didSet { updateInfoCenter() } }
+    var rate: Double = 0 { didSet { updateInfoCenter() } }
 
     var infoCenter: MPNowPlayingInfoCenter { get { return MPNowPlayingInfoCenter.default() } }
     var commandCenter: MPRemoteCommandCenter { get { return MPRemoteCommandCenter.shared() } }
@@ -139,7 +140,7 @@ class RemoteCommandCenter: NSObject {
 
     func updateInfoCenter() {
         nowPlayingInfo.merge([
-            MPNowPlayingInfoPropertyPlaybackRate: NSNumber(value: !isPaused),
+            MPNowPlayingInfoPropertyPlaybackRate: NSNumber(value: isPaused ? 0 : rate),
             MPNowPlayingInfoPropertyElapsedPlaybackTime: NSNumber(value: position),
             MPMediaItemPropertyPlaybackDuration: NSNumber(value: duration),
         ]) { (_, new) in new }
@@ -184,11 +185,13 @@ class RemoteCommandCenter: NSObject {
             isPaused = LibmpvHelper.mpvFlagToBool(property.data) ?? false
         case "time-pos" where property.format == MPV_FORMAT_DOUBLE:
             let newPosition = max(LibmpvHelper.mpvDoubleToDouble(property.data) ?? 0, 0)
-            if Int(floor(newPosition) - floor(position)) != 0 {
+            if Int((floor(newPosition) - floor(position)) / rate) != 0 {
                 position = newPosition
             }
         case "duration" where property.format == MPV_FORMAT_DOUBLE:
             duration = LibmpvHelper.mpvDoubleToDouble(property.data) ?? 0
+        case "speed" where property.format == MPV_FORMAT_DOUBLE:
+            rate = LibmpvHelper.mpvDoubleToDouble(property.data) ?? 1
         default:
             break
         }
diff --git a/osdep/macosx_events.m b/osdep/macosx_events.m
index 33ea265797..6ffff3d161 100644
--- a/osdep/macosx_events.m
+++ b/osdep/macosx_events.m
@@ -156,6 +156,7 @@ void cocoa_set_mpv_handle(struct mpv_handle *ctx)
     if ([[EventsResponder sharedInstance] setMpvHandle:ctx]) {
         mpv_observe_property(ctx, 0, "duration", MPV_FORMAT_DOUBLE);
         mpv_observe_property(ctx, 0, "time-pos", MPV_FORMAT_DOUBLE);
+        mpv_observe_property(ctx, 0, "speed", MPV_FORMAT_DOUBLE);
         mpv_observe_property(ctx, 0, "pause", MPV_FORMAT_FLAG);
         mpv_set_wakeup_callback(ctx, wakeup, NULL);
     }