yattee/Shared/Player/MPV/MPVOGLView.swift

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Swift
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import GLKit
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import Logging
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import OpenGLES
final class MPVOGLView: GLKView {
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private var logger = Logger(label: "stream.yattee.mpv.oglview")
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private var defaultFBO: GLint?
var mpvGL: UnsafeMutableRawPointer?
var needsDrawing = true
override init(frame: CGRect) {
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guard let context = EAGLContext(api: .openGLES3) else {
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print("Failed to initialize OpenGLES 2.0 context")
exit(1)
}
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logger.info("frame size: \(frame.width) x \(frame.height)")
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super.init(frame: frame, context: context)
contentMode = .redraw
EAGLContext.setCurrent(context)
drawableColorFormat = .RGBA8888
drawableDepthFormat = .formatNone
drawableStencilFormat = .formatNone
defaultFBO = -1
isOpaque = false
fillBlack()
}
func fillBlack() {
glClearColor(0, 0, 0, 0)
glClear(UInt32(GL_COLOR_BUFFER_BIT))
}
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override func draw(_: CGRect) {
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glGetIntegerv(UInt32(GL_FRAMEBUFFER_BINDING), &defaultFBO!)
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var dims: [GLint] = [0, 0, 0, 0]
glGetIntegerv(GLenum(GL_VIEWPORT), &dims)
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if mpvGL != nil {
var data = mpv_opengl_fbo(
fbo: Int32(defaultFBO!),
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w: Int32(dims[2]),
h: Int32(dims[3]),
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internal_format: 0
)
var flip: CInt = 1
withUnsafeMutablePointer(to: &flip) { flip in
withUnsafeMutablePointer(to: &data) { data in
var params = [
mpv_render_param(type: MPV_RENDER_PARAM_OPENGL_FBO, data: data),
mpv_render_param(type: MPV_RENDER_PARAM_FLIP_Y, data: flip),
mpv_render_param()
]
mpv_render_context_render(OpaquePointer(mpvGL), &params)
}
}
}
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
}