mpv/video/out/cocoa_cb_common.swift

241 lines
6.9 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 {
var libmpv: LibmpvHelper
var layer: GLLayer?
@objc var isShuttingDown: Bool = false
enum State {
case uninitialized
case needsInit
case initialized
}
var backendState: State = .uninitialized
@objc init(_ mpvHandle: OpaquePointer) {
let newlog = mp_log_new(UnsafeMutablePointer<MPContext>(mpvHandle), mp_client_get_log(mpvHandle), "cocoacb")
libmpv = LibmpvHelper(mpvHandle, newlog)
super.init(newlog)
layer = GLLayer(cocoaCB: self)
}
func preinit(_ vo: UnsafeMutablePointer<vo>) {
mpv = MPVHelper(vo, log)
if backendState == .uninitialized {
backendState = .needsInit
guard let layer = self.layer else {
log.sendError("Something went wrong, no GLLayer was initialized")
exit(1)
}
initView(vo, layer)
initMisc(vo)
}
}
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(force: 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.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)
}
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.sendWarning("Couldn't update ICC Profile, no color space available")
return
}
libmpv.setRenderICCProfile(colorSpace)
if #available(macOS 10.11, *) {
layer?.colorspace = colorSpace.cgColorSpace
}
}
override func windowDidEndAnimation() {
layer?.update()
checkShutdown()
}
override func windowSetToFullScreen() {
layer?.update()
}
override func windowSetToWindow() {
layer?.update()
}
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, d ) -> Int32 in
let ccb = unsafeBitCast(ctx, to: CocoaCB.self)
// the data pointer can be a null pointer, the libmpv control callback
// provides nil instead of the 0 address like the usual control call of
// an internal vo, workaround to create a null pointer instead of nil
var data = UnsafeMutableRawPointer.init(bitPattern: 0).unsafelyUnwrapped
if let dunwrapped = d {
data = dunwrapped
}
guard let vo = v, let events = e else {
ccb.log.sendWarning("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(_ 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()
uninitCommon()
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()
default:
break
}
}
}