52 lines
1.3 KiB
Rust
52 lines
1.3 KiB
Rust
extern crate scrap;
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fn main() {
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use scrap::{Capturer, Display};
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use std::io::ErrorKind::WouldBlock;
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use std::io::Write;
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use std::process::{Command, Stdio};
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let d = Display::primary().unwrap();
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let (w, h) = (d.width(), d.height());
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let child = Command::new("ffplay")
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.args(&[
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"-f",
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"rawvideo",
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"-pixel_format",
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"bgr0",
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"-video_size",
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&format!("{}x{}", w, h),
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"-framerate",
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"60",
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"-",
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])
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.stdin(Stdio::piped())
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.spawn()
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.expect("This example requires ffplay.");
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let mut capturer = Capturer::new(d, false).unwrap();
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let mut out = child.stdin.unwrap();
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loop {
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match capturer.frame(0) {
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Ok(frame) => {
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// Write the frame, removing end-of-row padding.
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let stride = frame.len() / h;
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let rowlen = 4 * w;
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for row in frame.chunks(stride) {
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let row = &row[..rowlen];
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out.write_all(row).unwrap();
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}
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}
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Err(ref e) if e.kind() == WouldBlock => {
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// Wait for the frame.
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}
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Err(_) => {
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// We're done here.
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break;
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}
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}
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}
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}
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