mpv/video/out/cocoa_cb_common.swift

621 lines
22 KiB
Swift

/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
import Cocoa
import IOKit.pwr_mgt
class CocoaCB: NSObject {
var mpv: MPVHelper?
var libmpv: LibmpvHelper
var window: Window?
var titleBar: TitleBar?
var view: EventsView?
var layer: VideoLayer?
var link: CVDisplayLink?
var cursorVisibilityWanted: Bool = true
@objc var isShuttingDown: Bool = false
var title: String = "mpv" {
didSet { if let window = window { window.title = title } }
}
enum State {
case uninitialized
case needsInit
case initialized
}
var backendState: State = .uninitialized
let eventsLock = NSLock()
var events: Int = 0
var lightSensor: io_connect_t = 0
var lastLmu: UInt64 = 0
var lightSensorIOPort: IONotificationPortRef?
var displaySleepAssertion: IOPMAssertionID = IOPMAssertionID(0)
let queue: DispatchQueue = DispatchQueue(label: "io.mpv.queue")
@objc init(_ mpvHandle: OpaquePointer) {
libmpv = LibmpvHelper(mpvHandle, "cocoacb")
super.init()
layer = VideoLayer(cocoaCB: self)
libmpv.observeString("macos-title-bar-style")
libmpv.observeString("macos-title-bar-appearance")
libmpv.observeString("macos-title-bar-material")
libmpv.observeString("macos-title-bar-color")
}
func preinit(_ vo: UnsafeMutablePointer<vo>) {
mpv = MPVHelper(vo, "cocoacb")
if backendState == .uninitialized {
backendState = .needsInit
view = EventsView(cocoaCB: self)
view?.layer = layer
view?.wantsLayer = true
view?.layerContentsPlacement = .scaleProportionallyToFit
startDisplayLink(vo)
initLightSensor()
addDisplayReconfigureObserver()
}
}
func uninit() {
window?.orderOut(nil)
window?.close()
mpv = nil
}
func reconfig(_ vo: UnsafeMutablePointer<vo>) {
mpv?.vo = vo
if backendState == .needsInit {
DispatchQueue.main.sync { self.initBackend(vo) }
} else {
DispatchQueue.main.async {
self.updateWindowSize(vo)
self.layer?.update()
}
}
}
func initBackend(_ vo: UnsafeMutablePointer<vo>) {
NSApp.setActivationPolicy(.regular)
setAppIcon()
guard let opts: mp_vo_opts = mpv?.opts else {
libmpv.sendError("Something went wrong, no MPVHelper was initialized")
exit(1)
}
guard let view = self.view else {
libmpv.sendError("Something went wrong, no View was initialized")
exit(1)
}
guard let targetScreen = getScreenBy(id: Int(opts.screen_id)) ?? NSScreen.main else {
libmpv.sendError("Something went wrong, no Screen was found")
exit(1)
}
let wr = getWindowGeometry(forScreen: targetScreen, videoOut: vo)
window = Window(contentRect: wr, screen: targetScreen, view: view, cocoaCB: self)
guard let window = self.window else {
libmpv.sendError("Something went wrong, no Window was initialized")
exit(1)
}
updateICCProfile()
window.setOnTop(Bool(opts.ontop), Int(opts.ontop_level))
window.keepAspect = Bool(opts.keepaspect_window)
window.title = title
window.border = Bool(opts.border)
titleBar = TitleBar(frame: wr, window: window, cocoaCB: self)
window.isRestorable = false
window.isReleasedWhenClosed = false
window.makeMain()
window.makeKeyAndOrderFront(nil)
NSApp.activate(ignoringOtherApps: true)
if Bool(opts.fullscreen) {
DispatchQueue.main.async {
self.window?.toggleFullScreen(nil)
}
} else {
window.isMovableByWindowBackground = true
}
backendState = .initialized
}
func updateWindowSize(_ vo: UnsafeMutablePointer<vo>) {
guard let opts: mp_vo_opts = mpv?.opts,
let targetScreen = getScreenBy(id: Int(opts.screen_id)) ?? NSScreen.main else
{
libmpv.sendWarning("Couldn't update Window size, no Screen available")
return
}
let wr = getWindowGeometry(forScreen: targetScreen, videoOut: vo)
if !(window?.isVisible ?? false) &&
!(window?.isMiniaturized ?? false) &&
!NSApp.isHidden
{
window?.makeKeyAndOrderFront(nil)
}
layer?.atomicDrawingStart()
window?.updateSize(wr.size)
}
func setAppIcon() {
if let app = NSApp as? Application,
ProcessInfo.processInfo.environment["MPVBUNDLE"] != "true"
{
NSApp.applicationIconImage = app.getMPVIcon()
}
}
let linkCallback: CVDisplayLinkOutputCallback = {
(displayLink: CVDisplayLink,
inNow: UnsafePointer<CVTimeStamp>,
inOutputTime: UnsafePointer<CVTimeStamp>,
flagsIn: CVOptionFlags,
flagsOut: UnsafeMutablePointer<CVOptionFlags>,
displayLinkContext: UnsafeMutableRawPointer?) -> CVReturn in
let ccb = unsafeBitCast(displayLinkContext, to: CocoaCB.self)
ccb.libmpv.reportRenderFlip()
return kCVReturnSuccess
}
func startDisplayLink(_ vo: UnsafeMutablePointer<vo>) {
CVDisplayLinkCreateWithActiveCGDisplays(&link)
guard let opts: mp_vo_opts = mpv?.opts,
let screen = getScreenBy(id: Int(opts.screen_id)) ?? NSScreen.main,
let link = self.link else
{
libmpv.sendWarning("Couldn't start DisplayLink, no MPVHelper, Screen or DisplayLink available")
return
}
CVDisplayLinkSetCurrentCGDisplay(link, screen.displayID)
if #available(macOS 10.12, *) {
CVDisplayLinkSetOutputHandler(link) { link, now, out, inFlags, outFlags -> CVReturn in
self.libmpv.reportRenderFlip()
return kCVReturnSuccess
}
} else {
CVDisplayLinkSetOutputCallback(link, linkCallback, MPVHelper.bridge(obj: self))
}
CVDisplayLinkStart(link)
}
func stopDisplaylink() {
if let link = self.link, CVDisplayLinkIsRunning(link) {
CVDisplayLinkStop(link)
}
}
func updateDisplaylink() {
guard let screen = window?.screen, let link = self.link else {
libmpv.sendWarning("Couldn't update DisplayLink, no Screen or DisplayLink available")
return
}
CVDisplayLinkSetCurrentCGDisplay(link, screen.displayID)
queue.asyncAfter(deadline: DispatchTime.now() + 0.1) {
self.flagEvents(VO_EVENT_WIN_STATE)
}
}
func currentFps() -> Double {
if let link = self.link {
var actualFps = CVDisplayLinkGetActualOutputVideoRefreshPeriod(link)
let nominalData = CVDisplayLinkGetNominalOutputVideoRefreshPeriod(link)
if (nominalData.flags & Int32(CVTimeFlags.isIndefinite.rawValue)) < 1 {
let nominalFps = Double(nominalData.timeScale) / Double(nominalData.timeValue)
if actualFps > 0 {
actualFps = 1/actualFps
}
if fabs(actualFps - nominalFps) > 0.1 {
libmpv.sendVerbose("Falling back to nominal display refresh rate: \(nominalFps)")
return nominalFps
} else {
return actualFps
}
}
} else {
libmpv.sendWarning("No DisplayLink available")
}
libmpv.sendWarning("Falling back to standard display refresh rate: 60Hz")
return 60.0
}
func enableDisplaySleep() {
IOPMAssertionRelease(displaySleepAssertion)
displaySleepAssertion = IOPMAssertionID(0)
}
func disableDisplaySleep() {
if displaySleepAssertion != IOPMAssertionID(0) { return }
IOPMAssertionCreateWithName(
kIOPMAssertionTypePreventUserIdleDisplaySleep as CFString,
IOPMAssertionLevel(kIOPMAssertionLevelOn),
"io.mpv.video_playing_back" as CFString,
&displaySleepAssertion)
}
func updateCursorVisibility() {
setCursorVisiblility(cursorVisibilityWanted)
}
func setCursorVisiblility(_ visible: Bool) {
NSCursor.setHiddenUntilMouseMoves(!visible && (view?.canHideCursor() ?? false))
}
func updateICCProfile() {
guard let colorSpace = window?.screen?.colorSpace else {
libmpv.sendWarning("Couldn't update ICC Profile, no color space available")
return
}
libmpv.setRenderICCProfile(colorSpace)
if #available(macOS 10.11, *) {
layer?.colorspace = colorSpace.cgColorSpace
}
}
func lmuToLux(_ v: UInt64) -> Int {
// the polinomial approximation for apple lmu value -> lux was empirically
// derived by firefox developers (Apple provides no documentation).
// https://bugzilla.mozilla.org/show_bug.cgi?id=793728
let power_c4: Double = 1 / pow(10, 27)
let power_c3: Double = 1 / pow(10, 19)
let power_c2: Double = 1 / pow(10, 12)
let power_c1: Double = 1 / pow(10, 5)
let lum = Double(v)
let term4: Double = -3.0 * power_c4 * pow(lum, 4.0)
let term3: Double = 2.6 * power_c3 * pow(lum, 3.0)
let term2: Double = -3.4 * power_c2 * pow(lum, 2.0)
let term1: Double = 3.9 * power_c1 * lum
let lux = Int(ceil(term4 + term3 + term2 + term1 - 0.19))
return lux > 0 ? lux : 0
}
var lightSensorCallback: IOServiceInterestCallback = { (ctx, service, messageType, messageArgument) -> Void in
let ccb = unsafeBitCast(ctx, to: CocoaCB.self)
var outputs: UInt32 = 2
var values: [UInt64] = [0, 0]
var kr = IOConnectCallMethod(ccb.lightSensor, 0, nil, 0, nil, 0, &values, &outputs, nil, nil)
if kr == KERN_SUCCESS {
var mean = (values[0] + values[1]) / 2
if ccb.lastLmu != mean {
ccb.lastLmu = mean
ccb.libmpv.setRenderLux(ccb.lmuToLux(ccb.lastLmu))
}
}
}
func initLightSensor() {
let srv = IOServiceGetMatchingService(kIOMasterPortDefault, IOServiceMatching("AppleLMUController"))
if srv == IO_OBJECT_NULL {
libmpv.sendVerbose("Can't find an ambient light sensor")
return
}
lightSensorIOPort = IONotificationPortCreate(kIOMasterPortDefault)
IONotificationPortSetDispatchQueue(lightSensorIOPort, queue)
var n = io_object_t()
IOServiceAddInterestNotification(lightSensorIOPort, srv, kIOGeneralInterest, lightSensorCallback, MPVHelper.bridge(obj: self), &n)
let kr = IOServiceOpen(srv, mach_task_self_, 0, &lightSensor)
IOObjectRelease(srv)
if kr != KERN_SUCCESS {
libmpv.sendVerbose("Can't start ambient light sensor connection")
return
}
lightSensorCallback(MPVHelper.bridge(obj: self), 0, 0, nil)
}
func uninitLightSensor() {
if lightSensorIOPort != nil {
IONotificationPortDestroy(lightSensorIOPort)
IOObjectRelease(lightSensor)
}
}
var reconfigureCallback: CGDisplayReconfigurationCallBack = { (display, flags, userInfo) in
if flags.contains(.setModeFlag) {
let ccb = unsafeBitCast(userInfo, to: CocoaCB.self)
let displayID = ccb.window?.screen?.displayID ?? display
if displayID == display {
ccb.libmpv.sendVerbose("Detected display mode change, updating screen refresh rate");
ccb.flagEvents(VO_EVENT_WIN_STATE)
}
}
}
func addDisplayReconfigureObserver() {
CGDisplayRegisterReconfigurationCallback(reconfigureCallback, MPVHelper.bridge(obj: self))
}
func removeDisplayReconfigureObserver() {
CGDisplayRemoveReconfigurationCallback(reconfigureCallback, MPVHelper.bridge(obj: self))
}
func getTargetScreen(forFullscreen fs: Bool) -> NSScreen? {
let screenID = fs ? (mpv?.opts.fsscreen_id ?? 0) : (mpv?.opts.screen_id ?? 0)
return getScreenBy(id: Int(screenID))
}
func getScreenBy(id screenID: Int) -> NSScreen? {
if screenID >= NSScreen.screens.count {
libmpv.sendInfo("Screen ID \(screenID) does not exist, falling back to current device")
return nil
} else if screenID < 0 {
return nil
}
return NSScreen.screens[screenID]
}
func getWindowGeometry(forScreen targetScreen: NSScreen,
videoOut vo: UnsafeMutablePointer<vo>) -> NSRect {
let r = targetScreen.convertRectToBacking(targetScreen.frame)
var screenRC: mp_rect = mp_rect(x0: Int32(0),
y0: Int32(0),
x1: Int32(r.size.width),
y1: Int32(r.size.height))
var geo: vo_win_geometry = vo_win_geometry()
vo_calc_window_geometry2(vo, &screenRC, Double(targetScreen.backingScaleFactor), &geo)
// flip y coordinates
geo.win.y1 = Int32(r.size.height) - geo.win.y1
geo.win.y0 = Int32(r.size.height) - geo.win.y0
let wr = NSMakeRect(CGFloat(geo.win.x0), CGFloat(geo.win.y1),
CGFloat(geo.win.x1 - geo.win.x0),
CGFloat(geo.win.y0 - geo.win.y1))
return targetScreen.convertRectFromBacking(wr)
}
func flagEvents(_ ev: Int) {
eventsLock.lock()
events |= ev
eventsLock.unlock()
guard let vout = mpv?.vo else {
libmpv.sendWarning("vo nil in flagEvents")
return
}
vo_wakeup(vout)
}
func checkEvents() -> Int {
eventsLock.lock()
let ev = events
events = 0
eventsLock.unlock()
return ev
}
var controlCallback: mp_render_cb_control_fn = { ( vo, ctx, events, request, data ) -> Int32 in
let ccb = unsafeBitCast(ctx, to: CocoaCB.self)
guard let vout = vo else {
ccb.libmpv.sendWarning("Nil vo in Control Callback")
return VO_FALSE
}
switch mp_voctrl(request) {
case VOCTRL_CHECK_EVENTS:
if let ev = events {
ev.pointee = Int32(ccb.checkEvents())
return VO_TRUE
}
return VO_FALSE
case VOCTRL_VO_OPTS_CHANGED:
guard let mpv: MPVHelper = ccb.mpv else {
return VO_FALSE
}
var opt: UnsafeMutableRawPointer?
while mpv.nextChangedConfig(property: &opt) {
if opt! == UnsafeMutableRawPointer(&mpv.optsPtr.pointee.border) {
DispatchQueue.main.async {
ccb.window?.border = Bool(mpv.opts.border)
}
}
if opt! == UnsafeMutableRawPointer(&mpv.optsPtr.pointee.fullscreen) {
DispatchQueue.main.async {
ccb.window?.toggleFullScreen(nil)
}
}
if opt! == UnsafeMutableRawPointer(&mpv.optsPtr.pointee.ontop) {
DispatchQueue.main.async {
ccb.window?.setOnTop(Bool(mpv.opts.ontop), Int(mpv.opts.ontop_level))
}
}
if opt! == UnsafeMutableRawPointer(&mpv.optsPtr.pointee.keepaspect_window) {
DispatchQueue.main.async {
ccb.window?.keepAspect = Bool(mpv.opts.keepaspect_window)
}
}
if opt! == UnsafeMutableRawPointer(&mpv.optsPtr.pointee.window_minimized) {
DispatchQueue.main.async {
ccb.window?.setMinimized(Bool(mpv.opts.window_minimized))
}
}
if opt! == UnsafeMutableRawPointer(&mpv.optsPtr.pointee.window_maximized) {
DispatchQueue.main.async {
ccb.window?.setMaximized(Bool(mpv.opts.window_maximized))
}
}
}
return VO_TRUE
case VOCTRL_GET_DISPLAY_FPS:
if let fps = data?.assumingMemoryBound(to: CDouble.self) {
fps.pointee = ccb.currentFps()
return VO_TRUE
}
return VO_FALSE
case VOCTRL_GET_HIDPI_SCALE:
if let scaleFactor = data?.assumingMemoryBound(to: CDouble.self) {
let factor = ccb.window?.backingScaleFactor ??
ccb.getTargetScreen(forFullscreen: false)?.backingScaleFactor ??
NSScreen.main?.backingScaleFactor ?? 1.0
scaleFactor.pointee = Double(factor)
return VO_TRUE;
}
return VO_FALSE
case VOCTRL_RESTORE_SCREENSAVER:
ccb.enableDisplaySleep()
return VO_TRUE
case VOCTRL_KILL_SCREENSAVER:
ccb.disableDisplaySleep()
return VO_TRUE
case VOCTRL_SET_CURSOR_VISIBILITY:
if let cursorVisibility = data?.assumingMemoryBound(to: CBool.self) {
ccb.cursorVisibilityWanted = cursorVisibility.pointee
DispatchQueue.main.async {
ccb.setCursorVisiblility(ccb.cursorVisibilityWanted)
}
return VO_TRUE
}
return VO_FALSE
case VOCTRL_SET_UNFS_WINDOW_SIZE:
if let sizeData = data?.assumingMemoryBound(to: Int32.self) {
let size = UnsafeBufferPointer(start: sizeData, count: 2)
var rect = NSMakeRect(0, 0, CGFloat(size[0]), CGFloat(size[1]))
DispatchQueue.main.async {
if let screen = ccb.window?.currentScreen, !Bool(ccb.mpv?.opts.hidpi_window_scale ?? 1) {
rect = screen.convertRectFromBacking(rect)
}
ccb.window?.updateSize(rect.size)
}
return VO_TRUE
}
return VO_FALSE
case VOCTRL_GET_DISPLAY_NAMES:
if let dnames = data?.assumingMemoryBound(to: UnsafeMutablePointer<UnsafeMutablePointer<Int8>?>?.self) {
var array: UnsafeMutablePointer<UnsafeMutablePointer<Int8>?>? = nil
var count: Int32 = 0
let screen = ccb.window != nil ? ccb.window?.screen :
ccb.getTargetScreen(forFullscreen: false) ??
NSScreen.main
let displayName = screen?.displayName ?? "Unknown"
SWIFT_TARRAY_STRING_APPEND(nil, &array, &count, ta_xstrdup(nil, displayName))
SWIFT_TARRAY_STRING_APPEND(nil, &array, &count, nil)
dnames.pointee = array
return VO_TRUE
}
return VO_FALSE
case VOCTRL_UPDATE_WINDOW_TITLE:
if let titleData = data?.assumingMemoryBound(to: Int8.self) {
DispatchQueue.main.async {
ccb.title = String(cString: titleData)
}
return VO_TRUE
}
return VO_FALSE
case VOCTRL_PREINIT:
DispatchQueue.main.sync { ccb.preinit(vout) }
return VO_TRUE
case VOCTRL_UNINIT:
DispatchQueue.main.async { ccb.uninit() }
return VO_TRUE
case VOCTRL_RECONFIG:
ccb.reconfig(vout)
return VO_TRUE
default:
return VO_NOTIMPL
}
}
func shutdown(_ destroy: Bool = false) {
isShuttingDown = window?.isAnimating ?? false ||
window?.isInFullscreen ?? false && Bool(mpv?.opts.native_fs ?? 1)
if window?.isInFullscreen ?? false && !(window?.isAnimating ?? false) {
window?.close()
}
if isShuttingDown { return }
uninit()
setCursorVisiblility(true)
stopDisplaylink()
uninitLightSensor()
removeDisplayReconfigureObserver()
libmpv.deinitRender()
libmpv.deinitMPV(destroy)
}
func checkShutdown() {
if isShuttingDown {
shutdown(true)
}
}
@objc func processEvent(_ event: UnsafePointer<mpv_event>) {
switch event.pointee.event_id {
case MPV_EVENT_SHUTDOWN:
shutdown()
case MPV_EVENT_PROPERTY_CHANGE:
if backendState == .initialized {
handlePropertyChange(event)
}
default:
break
}
}
func handlePropertyChange(_ event: UnsafePointer<mpv_event>) {
let pData = OpaquePointer(event.pointee.data)
guard let property = UnsafePointer<mpv_event_property>(pData)?.pointee else {
return
}
switch String(cString: property.name) {
case "macos-title-bar-appearance":
if let data = LibmpvHelper.mpvStringArrayToString(property.data) {
titleBar?.set(appearance: data)
}
case "macos-title-bar-material":
if let data = LibmpvHelper.mpvStringArrayToString(property.data) {
titleBar?.set(material: data)
}
case "macos-title-bar-color":
if let data = LibmpvHelper.mpvStringArrayToString(property.data) {
titleBar?.set(color: data)
}
default:
break
}
}
}