mirror of https://github.com/mpv-player/mpv
252 lines
9.3 KiB
Swift
252 lines
9.3 KiB
Swift
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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import Cocoa
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import OpenGL.GL
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import OpenGL.GL3
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let glDummy: @convention(c) () -> Void = {}
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class LibmpvHelper: LogHelper {
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var mpvHandle: OpaquePointer?
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var mpvRenderContext: OpaquePointer?
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var macOptsPtr: UnsafeMutableRawPointer?
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var macOpts: macos_opts = macos_opts()
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var fbo: GLint = 1
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let deinitLock = NSLock()
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init(_ mpv: OpaquePointer, _ name: String) {
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let newlog = mp_log_new(UnsafeMutablePointer<MPContext>(mpv), mp_client_get_log(mpv), name)
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super.init(newlog)
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mpvHandle = mpv
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guard let app = NSApp as? Application,
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let ptr = mp_get_config_group(nil,
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mp_client_get_global(mpvHandle),
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app.getMacOSConf()) else
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{
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sendError("macOS config group couldn't be retrieved'")
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exit(1)
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}
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macOptsPtr = ptr
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macOpts = UnsafeMutablePointer<macos_opts>(OpaquePointer(ptr)).pointee
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}
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func initRender() {
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var advanced: CInt = 1
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let api = UnsafeMutableRawPointer(mutating: (MPV_RENDER_API_TYPE_OPENGL as NSString).utf8String)
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var pAddress = mpv_opengl_init_params(get_proc_address: getProcAddress,
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get_proc_address_ctx: nil,
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extra_exts: nil)
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var params: [mpv_render_param] = [
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mpv_render_param(type: MPV_RENDER_PARAM_API_TYPE, data: api),
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mpv_render_param(type: MPV_RENDER_PARAM_OPENGL_INIT_PARAMS, data: &pAddress),
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mpv_render_param(type: MPV_RENDER_PARAM_ADVANCED_CONTROL, data: &advanced),
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mpv_render_param()
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]
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if (mpv_render_context_create(&mpvRenderContext, mpvHandle, ¶ms) < 0)
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{
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sendError("Render context init has failed.")
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exit(1)
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}
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}
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let getProcAddress: (@convention(c) (UnsafeMutableRawPointer?, UnsafePointer<Int8>?)
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-> UnsafeMutableRawPointer?) =
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{
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(ctx: UnsafeMutableRawPointer?, name: UnsafePointer<Int8>?)
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-> UnsafeMutableRawPointer? in
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let symbol: CFString = CFStringCreateWithCString(
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kCFAllocatorDefault, name, kCFStringEncodingASCII)
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let indentifier = CFBundleGetBundleWithIdentifier("com.apple.opengl" as CFString)
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let addr = CFBundleGetFunctionPointerForName(indentifier, symbol)
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if symbol as String == "glFlush" {
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return unsafeBitCast(glDummy, to: UnsafeMutableRawPointer.self)
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}
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return addr
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}
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func setRenderUpdateCallback(_ callback: @escaping mpv_render_update_fn, context object: AnyObject) {
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if mpvRenderContext == nil {
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sendWarning("Init mpv render context first.")
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} else {
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mpv_render_context_set_update_callback(mpvRenderContext, callback, MPVHelper.bridge(obj: object))
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}
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}
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func setRenderControlCallback(_ callback: @escaping mp_render_cb_control_fn, context object: AnyObject) {
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if mpvRenderContext == nil {
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sendWarning("Init mpv render context first.")
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} else {
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mp_render_context_set_control_callback(mpvRenderContext, callback, MPVHelper.bridge(obj: object))
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}
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}
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func reportRenderFlip() {
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if mpvRenderContext == nil { return }
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mpv_render_context_report_swap(mpvRenderContext)
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}
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func isRenderUpdateFrame() -> Bool {
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deinitLock.lock()
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if mpvRenderContext == nil {
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deinitLock.unlock()
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return false
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}
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let flags: UInt64 = mpv_render_context_update(mpvRenderContext)
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deinitLock.unlock()
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return flags & UInt64(MPV_RENDER_UPDATE_FRAME.rawValue) > 0
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}
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func drawRender(_ surface: NSSize, _ depth: GLint, _ ctx: CGLContextObj, skip: Bool = false) {
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deinitLock.lock()
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if mpvRenderContext != nil {
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var i: GLint = 0
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var flip: CInt = 1
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var skip: CInt = skip ? 1 : 0
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var ditherDepth = depth
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glGetIntegerv(GLenum(GL_DRAW_FRAMEBUFFER_BINDING), &i)
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// CAOpenGLLayer has ownership of FBO zero yet can return it to us,
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// so only utilize a newly received FBO ID if it is nonzero.
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fbo = i != 0 ? i : fbo
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var data = mpv_opengl_fbo(fbo: Int32(fbo),
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w: Int32(surface.width),
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h: Int32(surface.height),
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internal_format: 0)
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var params: [mpv_render_param] = [
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mpv_render_param(type: MPV_RENDER_PARAM_OPENGL_FBO, data: &data),
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mpv_render_param(type: MPV_RENDER_PARAM_FLIP_Y, data: &flip),
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mpv_render_param(type: MPV_RENDER_PARAM_DEPTH, data: &ditherDepth),
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mpv_render_param(type: MPV_RENDER_PARAM_SKIP_RENDERING, data: &skip),
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mpv_render_param()
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]
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mpv_render_context_render(mpvRenderContext, ¶ms);
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} else {
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glClearColor(0, 0, 0, 1)
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glClear(GLbitfield(GL_COLOR_BUFFER_BIT))
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}
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if !skip { CGLFlushDrawable(ctx) }
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deinitLock.unlock()
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}
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func setRenderICCProfile(_ profile: NSColorSpace) {
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if mpvRenderContext == nil { return }
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guard var iccData = profile.iccProfileData else {
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sendWarning("Invalid ICC profile data.")
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return
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}
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iccData.withUnsafeMutableBytes { (ptr: UnsafeMutableRawBufferPointer) in
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guard let baseAddress = ptr.baseAddress, ptr.count > 0 else { return }
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let u8Ptr = baseAddress.assumingMemoryBound(to: UInt8.self)
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let iccBstr = bstrdup(nil, bstr(start: u8Ptr, len: ptr.count))
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var icc = mpv_byte_array(data: iccBstr.start, size: iccBstr.len)
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let params = mpv_render_param(type: MPV_RENDER_PARAM_ICC_PROFILE, data: &icc)
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mpv_render_context_set_parameter(mpvRenderContext, params)
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}
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}
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func setRenderLux(_ lux: Int) {
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if mpvRenderContext == nil { return }
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var light = lux
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let params = mpv_render_param(type: MPV_RENDER_PARAM_AMBIENT_LIGHT, data: &light)
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mpv_render_context_set_parameter(mpvRenderContext, params)
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}
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func commandAsync(_ cmd: [String?], id: UInt64 = 1) {
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if mpvHandle == nil { return }
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var mCmd = cmd
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mCmd.append(nil)
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var cargs = mCmd.map { $0.flatMap { UnsafePointer<Int8>(strdup($0)) } }
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mpv_command_async(mpvHandle, id, &cargs)
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for ptr in cargs { free(UnsafeMutablePointer(mutating: ptr)) }
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}
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func observeString(_ property: String) {
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mpv_observe_property(mpvHandle, 0, property, MPV_FORMAT_STRING)
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}
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func observeFlag(_ property: String) {
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mpv_observe_property(mpvHandle, 0, property, MPV_FORMAT_FLAG)
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}
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// Unsafe function when called while using the render API
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func command(_ cmd: String) {
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if mpvHandle == nil { return }
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mpv_command_string(mpvHandle, cmd)
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}
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func getBoolProperty(_ name: String) -> Bool {
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if mpvHandle == nil { return false }
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var value = Int32()
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mpv_get_property(mpvHandle, name, MPV_FORMAT_FLAG, &value)
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return value > 0
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}
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func getIntProperty(_ name: String) -> Int {
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if mpvHandle == nil { return 0 }
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var value = Int64()
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mpv_get_property(mpvHandle, name, MPV_FORMAT_INT64, &value)
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return Int(value)
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}
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func getStringProperty(_ name: String) -> String? {
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guard let mpv = mpvHandle else { return nil }
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guard let value = mpv_get_property_string(mpv, name) else { return nil }
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let str = String(cString: value)
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mpv_free(value)
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return str
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}
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func deinitRender() {
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mpv_render_context_set_update_callback(mpvRenderContext, nil, nil)
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mp_render_context_set_control_callback(mpvRenderContext, nil, nil)
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deinitLock.lock()
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mpv_render_context_free(mpvRenderContext)
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mpvRenderContext = nil
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deinitLock.unlock()
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}
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func deinitMPV(_ destroy: Bool = false) {
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if destroy {
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mpv_destroy(mpvHandle)
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}
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ta_free(macOptsPtr)
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macOptsPtr = nil
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mpvHandle = nil
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log = nil
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}
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// *(char **) MPV_FORMAT_STRING on mpv_event_property
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class func mpvStringArrayToString(_ obj: UnsafeMutableRawPointer) -> String? {
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let cstr = UnsafeMutablePointer<UnsafeMutablePointer<Int8>>(OpaquePointer(obj))
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return String(cString: cstr[0])
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}
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// MPV_FORMAT_FLAG
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class func mpvFlagToBool(_ obj: UnsafeMutableRawPointer) -> Bool? {
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return UnsafePointer<Bool>(OpaquePointer(obj))?.pointee
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}
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}
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