mpv/video/out/cocoa_cb_common.swift

228 lines
6.7 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
class CocoaCB: Common, EventSubscriber {
var libmpv: LibmpvHelper
var layer: GLLayer?
var isShuttingDown: Bool = false
enum State {
case uninitialized
case needsInit
case initialized
}
var backendState: State = .uninitialized
init(_ mpv: OpaquePointer) {
let log = LogHelper(mp_log_new(UnsafeMutablePointer(mpv), mp_client_get_log(mpv), "cocoacb"))
let option = OptionHelper(UnsafeMutablePointer(mpv), mp_client_get_global(mpv))
libmpv = LibmpvHelper(mpv, log)
super.init(option, log)
layer = GLLayer(cocoaCB: self)
AppHub.shared.event?.subscribe(self, event: .init(name: "MPV_EVENT_SHUTDOWN"))
}
func preinit(_ vo: UnsafeMutablePointer<vo>) {
self.vo = vo
input = InputHelper(vo.pointee.input_ctx, option)
if backendState == .uninitialized {
backendState = .needsInit
guard let layer = self.layer else {
log.error("Something went wrong, no GLLayer was initialized")
exit(1)
}
initView(vo, layer)
initMisc(vo)
}
}
func uninit() {
window?.orderOut(nil)
window?.close()
}
func reconfig(_ vo: UnsafeMutablePointer<vo>) {
self.vo = vo
if backendState == .needsInit {
DispatchQueue.main.sync { self.initBackend(vo) }
} else if option.vo.auto_window_resize {
DispatchQueue.main.async {
self.updateWindowSize(vo)
self.layer?.update(force: true)
if self.option.vo.focus_on == 2 {
NSApp.activate(ignoringOtherApps: true)
}
}
}
}
func initBackend(_ vo: UnsafeMutablePointer<vo>) {
let previousActiveApp = getActiveApp()
initApp()
initWindow(vo, previousActiveApp)
updateICCProfile()
initWindowState()
backendState = .initialized
}
func updateWindowSize(_ vo: UnsafeMutablePointer<vo>) {
guard let targetScreen = getTargetScreen(forFullscreen: false) ?? NSScreen.main else
{
log.warning("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)
}
override func displayLinkCallback(_ displayLink: CVDisplayLink,
_ inNow: UnsafePointer<CVTimeStamp>,
_ inOutputTime: UnsafePointer<CVTimeStamp>,
_ flagsIn: CVOptionFlags,
_ flagsOut: UnsafeMutablePointer<CVOptionFlags>) -> CVReturn
{
libmpv.reportRenderFlip()
return kCVReturnSuccess
}
override func lightSensorUpdate() {
libmpv.setRenderLux(lmuToLux(lastLmu))
}
override func updateICCProfile() {
guard let colorSpace = window?.screen?.colorSpace else {
log.warning("Couldn't update ICC Profile, no color space available")
return
}
libmpv.setRenderICCProfile(colorSpace)
layer?.colorspace = colorSpace.cgColorSpace
}
override func windowDidEndAnimation() {
layer?.update()
checkShutdown()
}
override func windowSetToFullScreen() {
layer?.update(force: true)
}
override func windowSetToWindow() {
layer?.update(force: true)
}
override func windowDidUpdateFrame() {
layer?.update(force: true)
}
override func windowDidChangeScreen() {
layer?.update(force: true)
}
override func windowDidChangeScreenProfile() {
layer?.needsICCUpdate = true
}
override func windowDidChangeBackingProperties() {
layer?.contentsScale = window?.backingScaleFactor ?? 1
}
override func windowWillStartLiveResize() {
layer?.inLiveResize = true
}
override func windowDidEndLiveResize() {
layer?.inLiveResize = false
}
override func windowDidChangeOcclusionState() {
layer?.update(force: true)
}
var controlCallback: mp_render_cb_control_fn = { ( v, ctx, e, request, data ) -> Int32 in
let ccb = unsafeBitCast(ctx, to: CocoaCB.self)
guard let vo = v, let events = e else {
ccb.log.warning("Unexpected nil value in Control Callback")
return VO_FALSE
}
return ccb.control(vo, events: events, request: request, data: data)
}
override func control(_ vo: UnsafeMutablePointer<vo>,
events: UnsafeMutablePointer<Int32>,
request: UInt32,
data: UnsafeMutableRawPointer?) -> Int32
{
switch mp_voctrl(request) {
case VOCTRL_PREINIT:
DispatchQueue.main.sync { self.preinit(vo) }
return VO_TRUE
case VOCTRL_UNINIT:
DispatchQueue.main.async { self.uninit() }
return VO_TRUE
case VOCTRL_RECONFIG:
reconfig(vo)
return VO_TRUE
default:
break
}
return super.control(vo, events: events, request: request, data: data)
}
func shutdown() {
isShuttingDown = window?.isAnimating ?? false ||
window?.isInFullscreen ?? false && option.vo.native_fs
if window?.isInFullscreen ?? false && !(window?.isAnimating ?? false) {
window?.close()
}
if isShuttingDown { return }
uninit()
uninitCommon()
layer?.lockCglContext()
libmpv.uninit()
layer?.unlockCglContext()
}
func checkShutdown() {
if isShuttingDown {
shutdown()
}
}
func handle(event: EventHelper.Event) {
if event.name == String(describing: MPV_EVENT_SHUTDOWN) { shutdown() }
}
}