mirror of
https://github.com/mpv-player/mpv
synced 2024-12-28 01:52:19 +00:00
1eb6cbd093
using the MPContext as ta parent was a bad idea and shouldn't be done in any circumstances there because it only supposed to be for internal usage. this had the undesired effect that the options group was freed but still used since the MPContext is freed afterwards. instead manually free options group.
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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