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// yt - A fully featured command line YouTube client
//
// Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This file is part of Yt.
//
// You should have received a copy of the License along with this program.
// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
use libmpv2::{
render::{OpenGLInitParams, RenderContext, RenderParam, RenderParamApiType},
Mpv,
};
use std::{env, ffi::c_void};
fn get_proc_address(display: &sdl2::VideoSubsystem, name: &str) -> *mut c_void {
display.gl_get_proc_address(name) as *mut c_void
}
const VIDEO_URL: &str = "test-data/jellyfish.mp4";
#[derive(Debug)]
enum UserEvent {
MpvEventAvailable,
RedrawRequested,
}
fn main() {
let (window, mut events_loop, event_subsystem, video, _context) = create_sdl2_context();
let path = env::args()
.nth(1)
.unwrap_or_else(|| String::from(VIDEO_URL));
let mut mpv = Mpv::with_initializer(|init| {
init.set_property("vo", "libmpv")?;
Ok(())
})
.unwrap();
let mut render_context = RenderContext::new(
unsafe { mpv.ctx.as_mut() },
vec![
RenderParam::ApiType(RenderParamApiType::OpenGl),
RenderParam::InitParams(OpenGLInitParams {
get_proc_address,
ctx: video,
}),
],
)
.expect("Failed creating render context");
event_subsystem
.register_custom_event::<UserEvent>()
.unwrap();
mpv.event_context_mut().disable_deprecated_events().unwrap();
let event_sender = event_subsystem.event_sender();
render_context.set_update_callback(move || {
event_sender
.push_custom_event(UserEvent::RedrawRequested)
.unwrap();
});
let event_sender = event_subsystem.event_sender();
mpv.event_context_mut().set_wakeup_callback(move || {
event_sender
.push_custom_event(UserEvent::MpvEventAvailable)
.unwrap();
});
mpv.command("loadfile", &[&path, "replace"]).unwrap();
'render: loop {
for event in events_loop.poll_iter() {
use sdl2::event::Event;
if event.is_user_event() {
match event.as_user_event_type::<UserEvent>().unwrap() {
UserEvent::RedrawRequested => {
let (width, height) = window.drawable_size();
render_context
.render::<sdl2::VideoSubsystem>(0, width as _, height as _, true)
.expect("Failed to draw on sdl2 window");
window.gl_swap_window();
}
UserEvent::MpvEventAvailable => loop {
match mpv.event_context_mut().wait_event(0.0) {
Some(Ok(libmpv2::events::Event::EndFile(_))) => {
break 'render;
}
Some(Ok(mpv_event)) => {
eprintln!("MPV event: {:?}", mpv_event);
}
Some(Err(err)) => {
eprintln!("MPV Error: {}", err);
break 'render;
}
None => break,
}
},
}
}
match event {
Event::Quit { .. } => {
break 'render;
}
_ => (),
}
}
}
}
fn create_sdl2_context() -> (
sdl2::video::Window,
sdl2::EventPump,
sdl2::EventSubsystem,
sdl2::VideoSubsystem,
sdl2::video::GLContext,
) {
let sdl = sdl2::init().unwrap();
let video = sdl.video().unwrap();
let event_subsystem = sdl.event().unwrap();
let gl_attr = video.gl_attr();
gl_attr.set_context_profile(sdl2::video::GLProfile::Core);
gl_attr.set_context_version(3, 3);
gl_attr.set_context_flags().forward_compatible().set();
let window = video
.window("OpenGL mpv", 960, 540)
.opengl()
.resizable()
.build()
.unwrap();
let gl_context = window.gl_create_context().unwrap();
let event_loop = sdl.event_pump().unwrap();
(window, event_loop, event_subsystem, video, gl_context)
}
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