MPV: speed up playback start

We initialize MPV with more options so it does not have to guess. This dramatically speeds up playback start.

Model/Player/Backends/MPVClient.swift

@@ -60,15 +60,41 @@ final class MPVClient: ObservableObject {
             checkError(mpv_set_option_string(mpv, "input-media-keys", "yes"))
         #endif
 
+        // CACHING //
+
         checkError(mpv_set_option_string(mpv, "cache-pause-initial", Defaults[.mpvCachePauseInital] ? "yes" : "no"))
         checkError(mpv_set_option_string(mpv, "cache-secs", Defaults[.mpvCacheSecs]))
         checkError(mpv_set_option_string(mpv, "cache-pause-wait", Defaults[.mpvCachePauseWait]))
+
+        // PLAYBACK //
         checkError(mpv_set_option_string(mpv, "keep-open", "yes"))
-        checkError(mpv_set_option_string(mpv, "hwdec", machine == "x86_64" ? "no" : "auto-safe"))
-        checkError(mpv_set_option_string(mpv, "vo", "libmpv"))
-        checkError(mpv_set_option_string(mpv, "demuxer-lavf-analyzeduration", "1"))
         checkError(mpv_set_option_string(mpv, "deinterlace", Defaults[.mpvDeinterlace] ? "yes" : "no"))
 
+        // GPU //
+
+        checkError(mpv_set_option_string(mpv, "hwdec", Defaults[.mpvHWdec]))
+        checkError(mpv_set_option_string(mpv, "vo", "libmpv"))
+
+        // We set set everything to OpenGL so MPV doesn't have to probe for other APIs.
+        checkError(mpv_set_option_string(mpv, "gpu-api", "opengl"))
+        checkError(mpv_set_option_string(mpv, "opengl-swapinterval", "0"))
+
+        #if !os(macOS)
+            checkError(mpv_set_option_string(mpv, "opengl-es", "yes"))
+        #endif
+
+        // We set this to ordered since we use OpenGL and Apple's implementation is ancient.
+        checkError(mpv_set_option_string(mpv, "dither", "ordered"))
+
+        // DEMUXER //
+
+        // We request to test for lavf first and skip probing other demuxer.
+        checkError(mpv_set_option_string(mpv, "demuxer", "lavf"))
+        checkError(mpv_set_option_string(mpv, "audio-demuxer", "lavf"))
+        checkError(mpv_set_option_string(mpv, "sub-demuxer", "lavf"))
+        checkError(mpv_set_option_string(mpv, "demuxer-lavf-analyzeduration", "1"))
+        checkError(mpv_set_option_string(mpv, "demuxer-lavf-probe-info", Defaults[.mpvDemuxerLavfProbeInfo]))
+
         checkError(mpv_initialize(mpv))
 
         let api = UnsafeMutableRawPointer(mutating: (MPV_RENDER_API_TYPE_OPENGL as NSString).utf8String)

Shared/Defaults.swift

@@ -266,8 +266,10 @@ extension Defaults.Keys {
     static let mpvEnableLogging = Key<Bool>("mpvEnableLogging", default: false)
     static let mpvCacheSecs = Key<String>("mpvCacheSecs", default: "120")
     static let mpvCachePauseWait = Key<String>("mpvCachePauseWait", default: "3")
-    static let mpvCachePauseInital = Key<Bool>("cache-pause-initial", default: true)
+    static let mpvCachePauseInital = Key<Bool>("mpvCachePauseInitial", default: false)
     static let mpvDeinterlace = Key<Bool>("mpvDeinterlace", default: false)
+    static let mpvHWdec = Key<String>("hwdec", default: "auto-safe")
+    static let mpvDemuxerLavfProbeInfo = Key<String>("mpvDemuxerLavfProbeInfo", default: "no")
 
     static let showCacheStatus = Key<Bool>("showCacheStatus", default: false)
     static let feedCacheSize = Key<String>("feedCacheSize", default: "50")

Shared/Settings/AdvancedSettings.swift

@@ -8,6 +8,8 @@ struct AdvancedSettings: View {
     @Default(.mpvCachePauseInital) private var mpvCachePauseInital
     @Default(.mpvDeinterlace) private var mpvDeinterlace
     @Default(.mpvEnableLogging) private var mpvEnableLogging
+    @Default(.mpvHWdec) private var mpvHWdec
+    @Default(.mpvDemuxerLavfProbeInfo) private var mpvDemuxerLavfProbeInfo
     @Default(.showCacheStatus) private var showCacheStatus
     @Default(.feedCacheSize) private var feedCacheSize
     @Default(.showPlayNowInBackendContextMenu) private var showPlayNowInBackendContextMenu
@@ -73,12 +75,14 @@ struct AdvancedSettings: View {
                 HStack {
                     Text("cache-pause-initial")
                     #if !os(tvOS)
-                        Link(destination: URL(string: "https://mpv.io/manual/stable/#options-cache-pause-initial")!) {
+                        Image(systemName: "link")
-                            Image(systemName: "link")
+                            .accessibilityAddTraits([.isButton, .isLink])
-                                .font(.footnote)
+                            .font(.footnote)
-                        }
+                            .onTapGesture {
+                                UIApplication.shared.open(URL(string: "https://mpv.io/manual/stable/#options-cache-pause-initial")!)
+                            }
                         #if os(macOS)
-                        .onHover(perform: onHover(_:))
+                            .onHover(perform: onHover(_:))
                         #endif
                     #endif
                 }
@@ -87,13 +91,16 @@ struct AdvancedSettings: View {
             HStack {
                 Text("cache-secs")
                 #if !os(tvOS)
-                    Link(destination: URL(string: "https://mpv.io/manual/stable/#options-cache-secs")!) {
+                    Image(systemName: "link")
-                        Image(systemName: "link")
+                        .accessibilityAddTraits([.isButton, .isLink])
-                            .font(.footnote)
+                        .font(.footnote)
-                        #if os(macOS)
+                        .onTapGesture {
-                            .onHover(perform: onHover(_:))
+                            UIApplication.shared.open(URL(string: "https://mpv.io/manual/stable/#options-cache-secs")!)
-                        #endif
+                        }
-                    }
+                    #if os(macOS)
+                        .onHover(perform: onHover(_:))
+                    #endif
+
                 #endif
                 TextField("cache-secs", text: $mpvCacheSecs)
                 #if !os(macOS)
@@ -106,10 +113,12 @@ struct AdvancedSettings: View {
                 Group {
                     Text("cache-pause-wait")
                     #if !os(tvOS)
-                        Link(destination: URL(string: "https://mpv.io/manual/stable/#options-cache-pause-wait")!) {
+                        Image(systemName: "link")
-                            Image(systemName: "link")
+                            .accessibilityAddTraits([.isButton, .isLink])
-                        }
+                            .font(.footnote)
-                        .font(.footnote)
+                            .onTapGesture {
+                                UIApplication.shared.open(URL(string: "https://mpv.io/manual/stable/#options-cache-pause-wait")!)
+                            }
                         #if os(macOS)
                             .onHover(perform: onHover(_:))
                         #endif
@@ -127,17 +136,69 @@ struct AdvancedSettings: View {
                 HStack {
                     Text("deinterlace")
                     #if !os(tvOS)
-                        Link(destination: URL(string: "https://mpv.io/manual/stable/#options-deinterlace")!) {
+                        Image(systemName: "link")
-                            Image(systemName: "link")
+                            .accessibilityAddTraits([.isButton, .isLink])
-                                .font(.footnote)
+                            .font(.footnote)
-                        }
+                            .onTapGesture {
+                                UIApplication.shared.open(URL(string: "https://mpv.io/manual/stable/#options-deinterlace")!)
+                            }
                         #if os(macOS)
-                        .onHover(perform: onHover(_:))
+                            .onHover(perform: onHover(_:))
                         #endif
                     #endif
                 }
             }
 
+            HStack {
+                Text("hwdec")
+
+                #if !os(tvOS)
+                    Image(systemName: "link")
+                        .accessibilityAddTraits([.isButton, .isLink])
+                        .font(.footnote)
+                        .onTapGesture {
+                            UIApplication.shared.open(URL(string: "https://mpv.io/manual/stable/#options-hwdec")!)
+                        }
+                    #if os(macOS)
+                        .onHover( /* perform: onHover(_:) */ )
+                    #endif
+                #endif
+
+                Picker("", selection: $mpvHWdec) {
+                    ForEach(["auto", "auto-safe", "auto-copy"], id: \.self) {
+                        Text($0)
+                    }
+                }
+                .pickerStyle(MenuPickerStyle())
+            }
+
+            if mpvEnableLogging {
+                logButton
+            }
+
+            HStack {
+                Text("demuxer-lavf-probe-info")
+
+                #if !os(tvOS)
+                    Image(systemName: "link")
+                        .accessibilityAddTraits([.isButton, .isLink])
+                        .font(.footnote)
+                        .onTapGesture {
+                            UIApplication.shared.open(URL(string: "https://mpv.io/manual/stable/#options-demuxer-lavf-probe-info")!)
+                        }
+                    #if os(macOS)
+                        .onHover( /* perform: onHover(_:) */ )
+                    #endif
+                #endif
+
+                Picker("", selection: $mpvDemuxerLavfProbeInfo) {
+                    ForEach(["yes", "no", "auto", "nostreams"], id: \.self) {
+                        Text($0)
+                    }
+                }
+                .pickerStyle(MenuPickerStyle())
+            }
+
             if mpvEnableLogging {
                 logButton
             }