130 lines
2.8 KiB
Rust
130 lines
2.8 KiB
Rust
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use crate::android::ffi::*;
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use crate::rgba_to_i420;
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use lazy_static::lazy_static;
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use std::io;
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use std::sync::Mutex;
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lazy_static! {
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static ref SCREEN_SIZE: Mutex<(u16, u16)> = Mutex::new((0, 0));
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}
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pub struct Capturer {
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display: Display,
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bgra: Vec<u8>,
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saved_raw_data: Vec<u128>, // for faster compare and copy
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}
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impl Capturer {
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pub fn new(display: Display, _yuv: bool) -> io::Result<Capturer> {
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Ok(Capturer {
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display,
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bgra: Vec::new(),
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saved_raw_data: Vec::new(),
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})
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}
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pub fn width(&self) -> usize {
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self.display.width() as usize
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}
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pub fn height(&self) -> usize {
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self.display.height() as usize
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}
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pub fn frame<'a>(&'a mut self, _timeout_ms: u32) -> io::Result<Frame<'a>> {
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if let Some(buf) = get_video_raw() {
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crate::would_block_if_equal(&mut self.saved_raw_data, buf)?;
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rgba_to_i420(self.width(), self.height(), buf, &mut self.bgra);
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Ok(Frame::RAW(&self.bgra))
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} else {
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return Err(io::ErrorKind::WouldBlock.into());
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}
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}
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}
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pub enum Frame<'a> {
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RAW(&'a [u8]),
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VP9(&'a [u8]),
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Empty,
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}
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pub struct Display {
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default: bool,
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rect: Rect,
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}
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#[derive(Copy, Clone, Debug, Hash, Eq, PartialEq)]
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struct Rect {
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pub x: i16,
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pub y: i16,
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pub w: u16,
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pub h: u16,
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}
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impl Display {
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pub fn primary() -> io::Result<Display> {
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let mut size = SCREEN_SIZE.lock().unwrap();
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if size.0 == 0 || size.1 == 0 {
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let (w, h) = get_size().unwrap_or((0, 0));
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size.0 = w;
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size.1 = h;
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}
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Ok(Display {
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default: true,
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rect: Rect {
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x: 0,
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y: 0,
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w: size.0,
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h: size.1,
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},
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})
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}
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pub fn all() -> io::Result<Vec<Display>> {
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Ok(vec![Display::primary()?])
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}
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pub fn width(&self) -> usize {
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self.rect.w as usize
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}
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pub fn height(&self) -> usize {
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self.rect.h as usize
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}
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pub fn origin(&self) -> (i32, i32) {
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let r = self.rect;
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(r.x as _, r.y as _)
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}
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pub fn is_online(&self) -> bool {
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true
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}
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pub fn is_primary(&self) -> bool {
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self.default
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}
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pub fn name(&self) -> String {
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"Android".into()
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}
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pub fn refresh_size() {
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let mut size = SCREEN_SIZE.lock().unwrap();
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let (w, h) = get_size().unwrap_or((0, 0));
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size.0 = w;
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size.1 = h;
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}
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}
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fn get_size() -> Option<(u16, u16)> {
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let res = call_main_service_get_by_name("screen_size").ok()?;
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if res.len() > 0 {
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let mut sp = res.split(":");
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let w = sp.next()?.parse::<u16>().ok()?;
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let h = sp.next()?.parse::<u16>().ok()?;
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return Some((w, h));
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}
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None
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}
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