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author | Benedikt Peetz <benedikt.peetz@b-peetz.de> | 2024-08-23 12:57:19 +0200 |
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committer | Benedikt Peetz <benedikt.peetz@b-peetz.de> | 2024-08-23 12:58:02 +0200 |
commit | 0ae5018c33cc4bfe27583c9902472b499f4bd269 (patch) | |
tree | afc2fbfcb126215f47afbc32e555d203d4d6d88c /crates/libmpv2/examples/events.rs | |
parent | chore(yt_dlp/progress_hook): Also consider the `total_bytes_estimate` field (diff) | |
download | yt-0ae5018c33cc4bfe27583c9902472b499f4bd269.tar.gz yt-0ae5018c33cc4bfe27583c9902472b499f4bd269.zip |
refactor(libmpv2): Move to the `crates` directory
Diffstat (limited to 'crates/libmpv2/examples/events.rs')
-rw-r--r-- | crates/libmpv2/examples/events.rs | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/crates/libmpv2/examples/events.rs b/crates/libmpv2/examples/events.rs new file mode 100644 index 0000000..8f7c79f --- /dev/null +++ b/crates/libmpv2/examples/events.rs @@ -0,0 +1,93 @@ +// 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::{events::*, mpv_node::MpvNode, *}; + +use std::{collections::HashMap, env, thread, time::Duration}; + +const VIDEO_URL: &str = "https://www.youtube.com/watch?v=VLnWf1sQkjY"; + +fn main() -> Result<()> { + let path = env::args() + .nth(1) + .unwrap_or_else(|| String::from(VIDEO_URL)); + + // Create an `Mpv` and set some properties. + let mpv = Mpv::with_initializer(|init| { + init.set_property("vo", "null")?; + Ok(()) + }) + .unwrap(); + mpv.set_property("volume", 15)?; + + let mut ev_ctx = EventContext::new(mpv.ctx); + ev_ctx.disable_deprecated_events()?; + ev_ctx.observe_property("volume", Format::Int64, 0)?; + ev_ctx.observe_property("demuxer-cache-state", Format::Node, 0)?; + + crossbeam::scope(|scope| { + scope.spawn(|_| { + mpv.command("loadfile", &[&path, "append-play"]).unwrap(); + + thread::sleep(Duration::from_secs(3)); + + mpv.set_property("volume", 25).unwrap(); + + thread::sleep(Duration::from_secs(5)); + + // Trigger `Event::EndFile`. + mpv.command("playlist-next", &["force"]).unwrap(); + }); + scope.spawn(move |_| loop { + let ev = ev_ctx.wait_event(600.).unwrap_or(Err(Error::Null)); + + match ev { + Ok(Event::EndFile(r)) => { + println!("Exiting! Reason: {:?}", r); + break; + } + + Ok(Event::PropertyChange { + name: "demuxer-cache-state", + change: PropertyData::Node(mpv_node), + .. + }) => { + let ranges = seekable_ranges(mpv_node); + println!("Seekable ranges updated: {:?}", ranges); + } + Ok(e) => println!("Event triggered: {:?}", e), + Err(e) => println!("Event errored: {:?}", e), + } + }); + }) + .unwrap(); + Ok(()) +} + +fn seekable_ranges(demuxer_cache_state: MpvNode) -> Vec<(f64, f64)> { + let mut res = Vec::new(); + let props = demuxer_cache_state + .map() + .unwrap() + .collect::<HashMap<_, _>>(); + let ranges = props + .get("seekable-ranges") + .unwrap() + .clone() + .array() + .unwrap(); + for node in ranges { + let range = node.map().unwrap().collect::<HashMap<_, _>>(); + let start = range.get("start").unwrap().f64().unwrap(); + let end = range.get("end").unwrap().f64().unwrap(); + res.push((start, end)); + } + res +} |