1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/*
* 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 OpenGL.GL
import OpenGL.GL3
let glDummy: @convention(c) () -> Void = {}
class LibmpvHelper {
var log: LogHelper
var mpv: OpaquePointer?
var mpvRenderContext: OpaquePointer?
var fbo: GLint = 1
let uninitLock = NSLock()
init(_ mpv: OpaquePointer, _ log: LogHelper) {
self.mpv = mpv
self.log = log
}
func initRender() {
let advanced: CInt = 1
let api = UnsafeMutableRawPointer(mutating: (MPV_RENDER_API_TYPE_OPENGL as NSString).utf8String)
let pAddress = mpv_opengl_init_params(get_proc_address: getProcAddress,
get_proc_address_ctx: nil)
TypeHelper.withUnsafeMutableRawPointers([pAddress, advanced]) { (pointers: [UnsafeMutableRawPointer?]) in
var params: [mpv_render_param] = [
mpv_render_param(type: MPV_RENDER_PARAM_API_TYPE, data: api),
mpv_render_param(type: MPV_RENDER_PARAM_OPENGL_INIT_PARAMS, data: pointers[0]),
mpv_render_param(type: MPV_RENDER_PARAM_ADVANCED_CONTROL, data: pointers[1]),
mpv_render_param()
]
if (mpv_render_context_create(&mpvRenderContext, mpv, ¶ms) < 0) {
log.error("Render context init has failed.")
exit(1)
}
}
}
let getProcAddress: (@convention(c) (UnsafeMutableRawPointer?, UnsafePointer<Int8>?)
-> UnsafeMutableRawPointer?) =
{
(ctx: UnsafeMutableRawPointer?, name: UnsafePointer<Int8>?)
-> UnsafeMutableRawPointer? in
let symbol: CFString = CFStringCreateWithCString(
kCFAllocatorDefault, name, kCFStringEncodingASCII)
let identifier = CFBundleGetBundleWithIdentifier("com.apple.opengl" as CFString)
let addr = CFBundleGetFunctionPointerForName(identifier, symbol)
if symbol as String == "glFlush" {
return unsafeBitCast(glDummy, to: UnsafeMutableRawPointer.self)
}
return addr
}
func setRenderUpdateCallback(_ callback: @escaping mpv_render_update_fn, context object: AnyObject) {
if mpvRenderContext == nil {
log.warning("Init mpv render context first.")
} else {
mpv_render_context_set_update_callback(mpvRenderContext, callback, TypeHelper.bridge(obj: object))
}
}
func setRenderControlCallback(_ callback: @escaping mp_render_cb_control_fn, context object: AnyObject) {
if mpvRenderContext == nil {
log.warning("Init mpv render context first.")
} else {
mp_render_context_set_control_callback(mpvRenderContext, callback, TypeHelper.bridge(obj: object))
}
}
func reportRenderFlip() {
if mpvRenderContext == nil { return }
mpv_render_context_report_swap(mpvRenderContext)
}
func isRenderUpdateFrame() -> Bool {
uninitLock.lock()
if mpvRenderContext == nil {
uninitLock.unlock()
return false
}
let flags: UInt64 = mpv_render_context_update(mpvRenderContext)
uninitLock.unlock()
return flags & UInt64(MPV_RENDER_UPDATE_FRAME.rawValue) > 0
}
func drawRender(_ surface: NSSize, _ depth: GLint, _ ctx: CGLContextObj, skip: Bool = false) {
uninitLock.lock()
if mpvRenderContext != nil {
var i: GLint = 0
let flip: CInt = 1
let skip: CInt = skip ? 1 : 0
let ditherDepth = depth
glGetIntegerv(GLenum(GL_DRAW_FRAMEBUFFER_BINDING), &i)
// CAOpenGLLayer has ownership of FBO zero yet can return it to us,
// so only utilize a newly received FBO ID if it is nonzero.
fbo = i != 0 ? i : fbo
let data = mpv_opengl_fbo(fbo: Int32(fbo),
w: Int32(surface.width),
h: Int32(surface.height),
internal_format: 0)
TypeHelper.withUnsafeMutableRawPointers([data, flip, ditherDepth, skip]) { (pointers: [UnsafeMutableRawPointer?]) in
var params: [mpv_render_param] = [
mpv_render_param(type: MPV_RENDER_PARAM_OPENGL_FBO, data: pointers[0]),
mpv_render_param(type: MPV_RENDER_PARAM_FLIP_Y, data: pointers[1]),
mpv_render_param(type: MPV_RENDER_PARAM_DEPTH, data: pointers[2]),
mpv_render_param(type: MPV_RENDER_PARAM_SKIP_RENDERING, data: pointers[3]),
mpv_render_param()
]
mpv_render_context_render(mpvRenderContext, ¶ms);
}
} else {
glClearColor(0, 0, 0, 1)
glClear(GLbitfield(GL_COLOR_BUFFER_BIT))
}
if !skip { CGLFlushDrawable(ctx) }
uninitLock.unlock()
}
func setRenderICCProfile(_ profile: NSColorSpace) {
if mpvRenderContext == nil { return }
guard var iccData = profile.iccProfileData else {
log.warning("Invalid ICC profile data.")
return
}
iccData.withUnsafeMutableBytes { (ptr: UnsafeMutableRawBufferPointer) in
guard let baseAddress = ptr.baseAddress, ptr.count > 0 else { return }
let u8Ptr = baseAddress.assumingMemoryBound(to: UInt8.self)
let iccBstr = bstrdup(nil, bstr(start: u8Ptr, len: ptr.count))
var icc = mpv_byte_array(data: iccBstr.start, size: iccBstr.len)
withUnsafeMutableBytes(of: &icc) { (ptr: UnsafeMutableRawBufferPointer) in
let params = mpv_render_param(type: MPV_RENDER_PARAM_ICC_PROFILE, data: ptr.baseAddress)
mpv_render_context_set_parameter(mpvRenderContext, params)
}
}
}
func setRenderLux(_ lux: Int) {
if mpvRenderContext == nil { return }
var light = lux
withUnsafeMutableBytes(of: &light) { (ptr: UnsafeMutableRawBufferPointer) in
let params = mpv_render_param(type: MPV_RENDER_PARAM_AMBIENT_LIGHT, data: ptr.baseAddress)
mpv_render_context_set_parameter(mpvRenderContext, params)
}
}
func uninit() {
mpv_render_context_set_update_callback(mpvRenderContext, nil, nil)
mp_render_context_set_control_callback(mpvRenderContext, nil, nil)
uninitLock.lock()
mpv_render_context_free(mpvRenderContext)
mpvRenderContext = nil
mpv_destroy(mpv)
mpv = nil
uninitLock.unlock()
}
}
|
