rustdesk/src/server/video_service.rs
21pages d23fd902d7 vpx use webrtc parameter
Signed-off-by: 21pages <pages21@163.com>
2023-05-23 09:42:36 +08:00

1055 lines
32 KiB
Rust

// 24FPS (actually 23.976FPS) is what video professionals ages ago determined to be the
// slowest playback rate that still looks smooth enough to feel real.
// Our eyes can see a slight difference and even though 30FPS actually shows
// more information and is more realistic.
// 60FPS is commonly used in game, teamviewer 12 support this for video editing user.
// how to capture with mouse cursor:
// https://docs.microsoft.com/zh-cn/windows/win32/direct3ddxgi/desktop-dup-api?redirectedfrom=MSDN
// RECORD: The following Project has implemented audio capture, hardware codec and mouse cursor drawn.
// https://github.com/PHZ76/DesktopSharing
// dxgi memory leak issue
// https://stackoverflow.com/questions/47801238/memory-leak-in-creating-direct2d-device
// but per my test, it is more related to AcquireNextFrame,
// https://forums.developer.nvidia.com/t/dxgi-outputduplication-memory-leak-when-using-nv-but-not-amd-drivers/108582
// to-do:
// https://slhck.info/video/2017/03/01/rate-control.html
use super::{video_qos::VideoQoS, *};
#[cfg(all(windows, feature = "virtual_display_driver"))]
use crate::virtual_display_manager;
#[cfg(windows)]
use crate::{platform::windows::is_process_consent_running, privacy_win_mag};
#[cfg(windows)]
use hbb_common::get_version_number;
use hbb_common::{
protobuf::MessageField,
tokio::sync::{
mpsc::{unbounded_channel, UnboundedReceiver, UnboundedSender},
Mutex as TokioMutex,
},
};
#[cfg(not(windows))]
use scrap::Capturer;
use scrap::{
aom::AomEncoderConfig,
codec::{Encoder, EncoderCfg, HwEncoderConfig},
record::{Recorder, RecorderContext},
vpxcodec::{VpxEncoderConfig, VpxVideoCodecId},
CodecName, Display, TraitCapturer,
};
#[cfg(windows)]
use std::sync::Once;
use std::{
collections::HashSet,
io::ErrorKind::WouldBlock,
ops::{Deref, DerefMut},
time::{self, Duration, Instant},
};
pub const NAME: &'static str = "video";
lazy_static::lazy_static! {
pub static ref CURRENT_DISPLAY: Arc<Mutex<usize>> = Arc::new(Mutex::new(usize::MAX));
static ref LAST_ACTIVE: Arc<Mutex<Instant>> = Arc::new(Mutex::new(Instant::now()));
static ref SWITCH: Arc<Mutex<bool>> = Default::default();
static ref FRAME_FETCHED_NOTIFIER: (UnboundedSender<(i32, Option<Instant>)>, Arc<TokioMutex<UnboundedReceiver<(i32, Option<Instant>)>>>) = {
let (tx, rx) = unbounded_channel();
(tx, Arc::new(TokioMutex::new(rx)))
};
static ref PRIVACY_MODE_CONN_ID: Mutex<i32> = Mutex::new(0);
static ref IS_CAPTURER_MAGNIFIER_SUPPORTED: bool = is_capturer_mag_supported();
pub static ref VIDEO_QOS: Arc<Mutex<VideoQoS>> = Default::default();
pub static ref IS_UAC_RUNNING: Arc<Mutex<bool>> = Default::default();
pub static ref IS_FOREGROUND_WINDOW_ELEVATED: Arc<Mutex<bool>> = Default::default();
pub static ref LAST_SYNC_DISPLAYS: Arc<RwLock<Vec<DisplayInfo>>> = Default::default();
static ref ORIGINAL_RESOLUTIONS: Arc<RwLock<HashMap<String, (i32, i32)>>> = Default::default();
}
// Not virtual display
#[inline]
fn set_original_resolution_(display_name: &str, wh: (i32, i32)) -> (i32, i32) {
let mut original_resolutions = ORIGINAL_RESOLUTIONS.write().unwrap();
match original_resolutions.get(display_name) {
Some(r) => r.clone(),
None => {
original_resolutions.insert(display_name.to_owned(), wh.clone());
wh
}
}
}
// Not virtual display
#[inline]
fn get_original_resolution_(display_name: &str) -> Option<(i32, i32)> {
ORIGINAL_RESOLUTIONS
.read()
.unwrap()
.get(display_name)
.map(|r| r.clone())
}
// Not virtual display
#[inline]
fn get_or_set_original_resolution_(display_name: &str, wh: (i32, i32)) -> (i32, i32) {
let r = get_original_resolution_(display_name);
if let Some(r) = r {
return r;
}
set_original_resolution_(display_name, wh)
}
// Not virtual display
#[inline]
fn update_get_original_resolution_(display_name: &str, w: usize, h: usize) -> Resolution {
let wh = get_or_set_original_resolution_(display_name, (w as _, h as _));
Resolution {
width: wh.0,
height: wh.1,
..Default::default()
}
}
#[inline]
#[cfg(not(any(target_os = "android", target_os = "ios")))]
pub fn reset_resolutions() {
for (name, (w, h)) in ORIGINAL_RESOLUTIONS.read().unwrap().iter() {
if let Err(e) = crate::platform::change_resolution(name, *w as _, *h as _) {
log::error!(
"Failed to reset resolution of display '{}' to ({},{}): {}",
name,
w,
h,
e
);
}
}
}
#[inline]
fn is_capturer_mag_supported() -> bool {
#[cfg(windows)]
return scrap::CapturerMag::is_supported();
#[cfg(not(windows))]
false
}
#[inline]
pub fn capture_cursor_embedded() -> bool {
scrap::is_cursor_embedded()
}
#[inline]
pub fn notify_video_frame_fetched(conn_id: i32, frame_tm: Option<Instant>) {
FRAME_FETCHED_NOTIFIER.0.send((conn_id, frame_tm)).unwrap()
}
#[inline]
pub fn set_privacy_mode_conn_id(conn_id: i32) {
*PRIVACY_MODE_CONN_ID.lock().unwrap() = conn_id
}
#[inline]
pub fn get_privacy_mode_conn_id() -> i32 {
*PRIVACY_MODE_CONN_ID.lock().unwrap()
}
#[inline]
pub fn is_privacy_mode_supported() -> bool {
#[cfg(windows)]
return *IS_CAPTURER_MAGNIFIER_SUPPORTED
&& get_version_number(&crate::VERSION) > get_version_number("1.1.9");
#[cfg(not(windows))]
return false;
}
struct VideoFrameController {
cur: Instant,
send_conn_ids: HashSet<i32>,
}
impl VideoFrameController {
fn new() -> Self {
Self {
cur: Instant::now(),
send_conn_ids: HashSet::new(),
}
}
fn reset(&mut self) {
self.send_conn_ids.clear();
}
fn set_send(&mut self, tm: Instant, conn_ids: HashSet<i32>) {
if !conn_ids.is_empty() {
self.cur = tm;
self.send_conn_ids = conn_ids;
}
}
#[tokio::main(flavor = "current_thread")]
async fn try_wait_next(&mut self, fetched_conn_ids: &mut HashSet<i32>, timeout_millis: u64) {
if self.send_conn_ids.is_empty() {
return;
}
let timeout_dur = Duration::from_millis(timeout_millis as u64);
match tokio::time::timeout(timeout_dur, FRAME_FETCHED_NOTIFIER.1.lock().await.recv()).await
{
Err(_) => {
// break if timeout
// log::error!("blocking wait frame receiving timeout {}", timeout_millis);
}
Ok(Some((id, instant))) => {
if let Some(tm) = instant {
log::trace!("Channel recv latency: {}", tm.elapsed().as_secs_f32());
}
fetched_conn_ids.insert(id);
}
Ok(None) => {
// this branch would never be reached
}
}
}
}
pub fn new() -> GenericService {
let sp = GenericService::new(NAME, true);
sp.run(run);
sp
}
fn check_display_changed(
last_n: usize,
last_current: usize,
last_width: usize,
last_height: usize,
) -> bool {
#[cfg(target_os = "linux")]
{
// wayland do not support changing display for now
if !scrap::is_x11() {
return false;
}
}
let displays = match try_get_displays() {
Ok(d) => d,
_ => return false,
};
let n = displays.len();
if n != last_n {
return true;
};
for (i, d) in displays.iter().enumerate() {
if d.is_primary() {
if i != last_current {
return true;
};
if d.width() != last_width || d.height() != last_height {
return true;
};
}
}
return false;
}
// Capturer object is expensive, avoiding to create it frequently.
fn create_capturer(
privacy_mode_id: i32,
display: Display,
use_yuv: bool,
_current: usize,
_portable_service_running: bool,
) -> ResultType<Box<dyn TraitCapturer>> {
#[cfg(not(windows))]
let c: Option<Box<dyn TraitCapturer>> = None;
#[cfg(windows)]
let mut c: Option<Box<dyn TraitCapturer>> = None;
if privacy_mode_id > 0 {
#[cfg(windows)]
{
match scrap::CapturerMag::new(
display.origin(),
display.width(),
display.height(),
use_yuv,
) {
Ok(mut c1) => {
let mut ok = false;
let check_begin = Instant::now();
while check_begin.elapsed().as_secs() < 5 {
match c1.exclude("", privacy_win_mag::PRIVACY_WINDOW_NAME) {
Ok(false) => {
ok = false;
std::thread::sleep(std::time::Duration::from_millis(500));
}
Err(e) => {
bail!(
"Failed to exclude privacy window {} - {}, err: {}",
"",
privacy_win_mag::PRIVACY_WINDOW_NAME,
e
);
}
_ => {
ok = true;
break;
}
}
}
if !ok {
bail!(
"Failed to exclude privacy window {} - {} ",
"",
privacy_win_mag::PRIVACY_WINDOW_NAME
);
}
log::debug!("Create magnifier capture for {}", privacy_mode_id);
c = Some(Box::new(c1));
}
Err(e) => {
bail!(format!("Failed to create magnifier capture {}", e));
}
}
}
}
match c {
Some(c1) => return Ok(c1),
None => {
log::debug!("Create capturer dxgi|gdi");
#[cfg(windows)]
return crate::portable_service::client::create_capturer(
_current,
display,
use_yuv,
_portable_service_running,
);
#[cfg(not(windows))]
return Ok(Box::new(
Capturer::new(display, use_yuv).with_context(|| "Failed to create capturer")?,
));
}
};
}
// to-do: do not close if in privacy mode.
#[cfg(all(windows, feature = "virtual_display_driver"))]
fn ensure_close_virtual_device() -> ResultType<()> {
let num_displays = Display::all()?.len();
if num_displays > 1 {
let _res = virtual_display_manager::plug_out_headless();
}
Ok(())
}
// This function works on privacy mode. Windows only for now.
pub fn test_create_capturer(privacy_mode_id: i32, timeout_millis: u64) -> bool {
let test_begin = Instant::now();
while test_begin.elapsed().as_millis() < timeout_millis as _ {
if let Ok((_, current, display)) = get_current_display() {
if let Ok(_) = create_capturer(privacy_mode_id, display, true, current, false) {
return true;
}
}
std::thread::sleep(Duration::from_millis(300));
}
false
}
#[cfg(windows)]
fn check_uac_switch(privacy_mode_id: i32, capturer_privacy_mode_id: i32) -> ResultType<()> {
if capturer_privacy_mode_id != 0 {
if privacy_mode_id != capturer_privacy_mode_id {
if !is_process_consent_running()? {
bail!("consent.exe is running");
}
}
if is_process_consent_running()? {
bail!("consent.exe is running");
}
}
Ok(())
}
pub(super) struct CapturerInfo {
pub origin: (i32, i32),
pub width: usize,
pub height: usize,
pub ndisplay: usize,
pub current: usize,
pub privacy_mode_id: i32,
pub _capturer_privacy_mode_id: i32,
pub capturer: Box<dyn TraitCapturer>,
}
impl Deref for CapturerInfo {
type Target = Box<dyn TraitCapturer>;
fn deref(&self) -> &Self::Target {
&self.capturer
}
}
impl DerefMut for CapturerInfo {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.capturer
}
}
fn get_capturer(use_yuv: bool, portable_service_running: bool) -> ResultType<CapturerInfo> {
#[cfg(target_os = "linux")]
{
if !scrap::is_x11() {
return super::wayland::get_capturer();
}
}
let (ndisplay, current, display) = get_current_display()?;
let (origin, width, height) = (display.origin(), display.width(), display.height());
log::debug!(
"#displays={}, current={}, origin: {:?}, width={}, height={}, cpus={}/{}, name:{}",
ndisplay,
current,
&origin,
width,
height,
num_cpus::get_physical(),
num_cpus::get(),
display.name(),
);
let privacy_mode_id = *PRIVACY_MODE_CONN_ID.lock().unwrap();
#[cfg(not(windows))]
let capturer_privacy_mode_id = privacy_mode_id;
#[cfg(windows)]
let mut capturer_privacy_mode_id = privacy_mode_id;
#[cfg(windows)]
if capturer_privacy_mode_id != 0 {
if is_process_consent_running()? {
capturer_privacy_mode_id = 0;
}
}
log::debug!(
"Try create capturer with capturer privacy mode id {}",
capturer_privacy_mode_id,
);
if privacy_mode_id != 0 {
if privacy_mode_id != capturer_privacy_mode_id {
log::info!("In privacy mode, but show UAC prompt window for now");
} else {
log::info!("In privacy mode, the peer side cannot watch the screen");
}
}
let capturer = create_capturer(
capturer_privacy_mode_id,
display,
use_yuv,
current,
portable_service_running,
)?;
Ok(CapturerInfo {
origin,
width,
height,
ndisplay,
current,
privacy_mode_id,
_capturer_privacy_mode_id: capturer_privacy_mode_id,
capturer,
})
}
fn check_displays_new() -> Option<Vec<Display>> {
let displays = try_get_displays().ok()?;
let last_sync_displays = &*LAST_SYNC_DISPLAYS.read().unwrap();
if displays.len() != last_sync_displays.len() {
Some(displays)
} else {
for i in 0..displays.len() {
if displays[i].height() != (last_sync_displays[i].height as usize) {
return Some(displays);
}
if displays[i].width() != (last_sync_displays[i].width as usize) {
return Some(displays);
}
if displays[i].origin() != (last_sync_displays[i].x, last_sync_displays[i].y) {
return Some(displays);
}
}
None
}
}
fn check_get_displays_changed_msg() -> Option<Message> {
let displays = check_displays_new()?;
let (current, displays) = get_displays_2(&displays);
let mut pi = PeerInfo {
conn_id: crate::SYNC_PEER_INFO_DISPLAYS,
..Default::default()
};
pi.displays = displays.clone();
pi.current_display = current as _;
let mut msg_out = Message::new();
msg_out.set_peer_info(pi);
*LAST_SYNC_DISPLAYS.write().unwrap() = displays;
Some(msg_out)
}
fn run(sp: GenericService) -> ResultType<()> {
#[cfg(all(windows, feature = "virtual_display_driver"))]
ensure_close_virtual_device()?;
// ensure_inited() is needed because release_resource() may be called.
#[cfg(target_os = "linux")]
super::wayland::ensure_inited()?;
#[cfg(windows)]
let last_portable_service_running = crate::portable_service::client::running();
#[cfg(not(windows))]
let last_portable_service_running = false;
let mut c = get_capturer(true, last_portable_service_running)?;
let mut video_qos = VIDEO_QOS.lock().unwrap();
video_qos.set_size(c.width as _, c.height as _);
let mut spf = video_qos.spf();
let bitrate = video_qos.generate_bitrate()?;
let abr = video_qos.check_abr_config();
drop(video_qos);
log::info!("init bitrate={}, abr enabled:{}", bitrate, abr);
let encoder_cfg = match Encoder::negotiated_codec() {
scrap::CodecName::H264(name) | scrap::CodecName::H265(name) => {
EncoderCfg::HW(HwEncoderConfig {
name,
width: c.width,
height: c.height,
bitrate: bitrate as _,
})
}
name @ (scrap::CodecName::VP8 | scrap::CodecName::VP9) => {
EncoderCfg::VPX(VpxEncoderConfig {
width: c.width as _,
height: c.height as _,
bitrate,
codec: if name == scrap::CodecName::VP8 {
VpxVideoCodecId::VP8
} else {
VpxVideoCodecId::VP9
},
})
}
scrap::CodecName::AV1 => EncoderCfg::AOM(AomEncoderConfig {
width: c.width as _,
height: c.height as _,
bitrate: bitrate as _,
}),
};
let mut encoder;
match Encoder::new(encoder_cfg) {
Ok(x) => encoder = x,
Err(err) => bail!("Failed to create encoder: {}", err),
}
c.set_use_yuv(encoder.use_yuv());
if *SWITCH.lock().unwrap() {
log::debug!("Broadcasting display switch");
let mut misc = Misc::new();
let display_name = get_current_display_name().unwrap_or_default();
let original_resolution = get_original_resolution(&display_name, c.width, c.height);
misc.set_switch_display(SwitchDisplay {
display: c.current as _,
x: c.origin.0 as _,
y: c.origin.1 as _,
width: c.width as _,
height: c.height as _,
cursor_embedded: capture_cursor_embedded(),
#[cfg(not(any(target_os = "android", target_os = "ios")))]
resolutions: Some(SupportedResolutions {
resolutions: if display_name.is_empty() {
vec![]
} else {
crate::platform::resolutions(&display_name)
},
..SupportedResolutions::default()
})
.into(),
original_resolution,
..Default::default()
});
let mut msg_out = Message::new();
msg_out.set_misc(misc);
*SWITCH.lock().unwrap() = false;
sp.send(msg_out);
}
let mut frame_controller = VideoFrameController::new();
let start = time::Instant::now();
let mut last_check_displays = time::Instant::now();
#[cfg(windows)]
let mut try_gdi = 1;
#[cfg(windows)]
log::info!("gdi: {}", c.is_gdi());
let codec_name = Encoder::negotiated_codec();
let recorder = get_recorder(c.width, c.height, &codec_name);
#[cfg(windows)]
start_uac_elevation_check();
#[cfg(target_os = "linux")]
let mut would_block_count = 0u32;
while sp.ok() {
#[cfg(windows)]
check_uac_switch(c.privacy_mode_id, c._capturer_privacy_mode_id)?;
let mut video_qos = VIDEO_QOS.lock().unwrap();
if video_qos.check_if_updated() && video_qos.target_bitrate > 0 {
log::debug!(
"qos is updated, target_bitrate:{}, fps:{}",
video_qos.target_bitrate,
video_qos.fps
);
allow_err!(encoder.set_bitrate(video_qos.target_bitrate));
spf = video_qos.spf();
}
drop(video_qos);
if *SWITCH.lock().unwrap() {
bail!("SWITCH");
}
if c.current != *CURRENT_DISPLAY.lock().unwrap() {
*SWITCH.lock().unwrap() = true;
bail!("SWITCH");
}
if codec_name != Encoder::negotiated_codec() {
bail!("SWITCH");
}
#[cfg(windows)]
if last_portable_service_running != crate::portable_service::client::running() {
bail!("SWITCH");
}
check_privacy_mode_changed(&sp, c.privacy_mode_id)?;
#[cfg(windows)]
{
if crate::platform::windows::desktop_changed()
&& !crate::portable_service::client::running()
{
bail!("Desktop changed");
}
}
let now = time::Instant::now();
if last_check_displays.elapsed().as_millis() > 1000 {
last_check_displays = now;
// Capturer on macos does not return Err event the solution is changed.
#[cfg(target_os = "macos")]
if check_display_changed(c.ndisplay, c.current, c.width, c.height) {
log::info!("Displays changed");
*SWITCH.lock().unwrap() = true;
bail!("SWITCH");
}
if let Some(msg_out) = check_get_displays_changed_msg() {
sp.send(msg_out);
log::info!("Displays changed");
*SWITCH.lock().unwrap() = true;
bail!("SWITCH");
}
}
*LAST_ACTIVE.lock().unwrap() = now;
frame_controller.reset();
#[cfg(any(target_os = "android", target_os = "ios"))]
let res = match c.frame(spf) {
Ok(frame) => {
let time = now - start;
let ms = (time.as_secs() * 1000 + time.subsec_millis() as u64) as i64;
match frame {
scrap::Frame::RAW(data) => {
if data.len() != 0 {
let send_conn_ids =
handle_one_frame(&sp, data, ms, &mut encoder, recorder.clone())?;
frame_controller.set_send(now, send_conn_ids);
}
}
_ => {}
};
Ok(())
}
Err(err) => Err(err),
};
#[cfg(not(any(target_os = "android", target_os = "ios")))]
let res = match c.frame(spf) {
Ok(frame) => {
let time = now - start;
let ms = (time.as_secs() * 1000 + time.subsec_millis() as u64) as i64;
let send_conn_ids =
handle_one_frame(&sp, &frame, ms, &mut encoder, recorder.clone())?;
frame_controller.set_send(now, send_conn_ids);
#[cfg(windows)]
{
try_gdi = 0;
}
Ok(())
}
Err(err) => Err(err),
};
match res {
Err(ref e) if e.kind() == WouldBlock => {
#[cfg(windows)]
if try_gdi > 0 && !c.is_gdi() {
if try_gdi > 3 {
c.set_gdi();
try_gdi = 0;
log::info!("No image, fall back to gdi");
}
try_gdi += 1;
}
#[cfg(target_os = "linux")]
{
would_block_count += 1;
if !scrap::is_x11() {
if would_block_count >= 100 {
super::wayland::release_resource();
bail!("Wayland capturer none 100 times, try restart capture");
}
}
}
}
Err(err) => {
if check_display_changed(c.ndisplay, c.current, c.width, c.height) {
log::info!("Displays changed");
*SWITCH.lock().unwrap() = true;
bail!("SWITCH");
}
#[cfg(windows)]
if !c.is_gdi() {
c.set_gdi();
log::info!("dxgi error, fall back to gdi: {:?}", err);
continue;
}
return Err(err.into());
}
_ => {
#[cfg(target_os = "linux")]
{
would_block_count = 0;
}
}
}
let mut fetched_conn_ids = HashSet::new();
let timeout_millis = 3_000u64;
let wait_begin = Instant::now();
while wait_begin.elapsed().as_millis() < timeout_millis as _ {
check_privacy_mode_changed(&sp, c.privacy_mode_id)?;
#[cfg(windows)]
check_uac_switch(c.privacy_mode_id, c._capturer_privacy_mode_id)?;
frame_controller.try_wait_next(&mut fetched_conn_ids, 300);
// break if all connections have received current frame
if fetched_conn_ids.len() >= frame_controller.send_conn_ids.len() {
break;
}
}
let elapsed = now.elapsed();
// may need to enable frame(timeout)
log::trace!("{:?} {:?}", time::Instant::now(), elapsed);
if elapsed < spf {
std::thread::sleep(spf - elapsed);
}
}
#[cfg(target_os = "linux")]
if !scrap::is_x11() {
super::wayland::release_resource();
}
Ok(())
}
fn get_recorder(
width: usize,
height: usize,
codec_name: &CodecName,
) -> Arc<Mutex<Option<Recorder>>> {
#[cfg(not(target_os = "ios"))]
let recorder = if !Config::get_option("allow-auto-record-incoming").is_empty() {
use crate::hbbs_http::record_upload;
let tx = if record_upload::is_enable() {
let (tx, rx) = std::sync::mpsc::channel();
record_upload::run(rx);
Some(tx)
} else {
None
};
Recorder::new(RecorderContext {
server: true,
id: Config::get_id(),
default_dir: crate::ui_interface::default_video_save_directory(),
filename: "".to_owned(),
width,
height,
format: codec_name.into(),
tx,
})
.map_or(Default::default(), |r| Arc::new(Mutex::new(Some(r))))
} else {
Default::default()
};
#[cfg(target_os = "ios")]
let recorder: Arc<Mutex<Option<Recorder>>> = Default::default();
recorder
}
fn check_privacy_mode_changed(sp: &GenericService, privacy_mode_id: i32) -> ResultType<()> {
let privacy_mode_id_2 = *PRIVACY_MODE_CONN_ID.lock().unwrap();
if privacy_mode_id != privacy_mode_id_2 {
if privacy_mode_id_2 != 0 {
let msg_out = crate::common::make_privacy_mode_msg(
back_notification::PrivacyModeState::PrvOnByOther,
);
sp.send_to_others(msg_out, privacy_mode_id_2);
}
bail!("SWITCH");
}
Ok(())
}
#[inline]
fn handle_one_frame(
sp: &GenericService,
frame: &[u8],
ms: i64,
encoder: &mut Encoder,
recorder: Arc<Mutex<Option<Recorder>>>,
) -> ResultType<HashSet<i32>> {
sp.snapshot(|sps| {
// so that new sub and old sub share the same encoder after switch
if sps.has_subscribes() {
bail!("SWITCH");
}
Ok(())
})?;
let mut send_conn_ids: HashSet<i32> = Default::default();
if let Ok(msg) = encoder.encode_to_message(frame, ms) {
#[cfg(not(target_os = "ios"))]
recorder
.lock()
.unwrap()
.as_mut()
.map(|r| r.write_message(&msg));
send_conn_ids = sp.send_video_frame(msg);
}
Ok(send_conn_ids)
}
#[inline]
fn get_original_resolution(display_name: &str, w: usize, h: usize) -> MessageField<Resolution> {
#[cfg(all(windows, feature = "virtual_display_driver"))]
let is_virtual_display = crate::virtual_display_manager::is_virtual_display(&display_name);
#[cfg(not(all(windows, feature = "virtual_display_driver")))]
let is_virtual_display = false;
Some(if is_virtual_display {
Resolution {
width: 0,
height: 0,
..Default::default()
}
} else {
update_get_original_resolution_(&display_name, w, h)
})
.into()
}
pub(super) fn get_displays_2(all: &Vec<Display>) -> (usize, Vec<DisplayInfo>) {
let mut displays = Vec::new();
let mut primary = 0;
for (i, d) in all.iter().enumerate() {
if d.is_primary() {
primary = i;
}
let display_name = d.name();
let original_resolution = get_original_resolution(&display_name, d.width(), d.height());
displays.push(DisplayInfo {
x: d.origin().0 as _,
y: d.origin().1 as _,
width: d.width() as _,
height: d.height() as _,
name: display_name,
online: d.is_online(),
cursor_embedded: false,
original_resolution,
..Default::default()
});
}
let mut lock = CURRENT_DISPLAY.lock().unwrap();
if *lock >= displays.len() {
*lock = primary
}
(*lock, displays)
}
pub fn is_inited_msg() -> Option<Message> {
#[cfg(target_os = "linux")]
if !scrap::is_x11() {
return super::wayland::is_inited();
}
None
}
// switch to primary display if long time (30 seconds) no users
#[inline]
pub fn try_reset_current_display() {
if LAST_ACTIVE.lock().unwrap().elapsed().as_secs() >= 30 {
*CURRENT_DISPLAY.lock().unwrap() = usize::MAX;
}
*LAST_ACTIVE.lock().unwrap() = time::Instant::now();
}
pub async fn get_displays() -> ResultType<(usize, Vec<DisplayInfo>)> {
#[cfg(target_os = "linux")]
{
if !scrap::is_x11() {
return super::wayland::get_displays().await;
}
}
Ok(get_displays_2(&try_get_displays()?))
}
pub async fn switch_display(i: i32) {
let i = i as usize;
if let Ok((_, displays)) = get_displays().await {
if i < displays.len() {
*CURRENT_DISPLAY.lock().unwrap() = i;
}
}
}
#[inline]
pub fn refresh() {
#[cfg(target_os = "android")]
Display::refresh_size();
*SWITCH.lock().unwrap() = true;
}
fn get_primary() -> usize {
#[cfg(target_os = "linux")]
{
if !scrap::is_x11() {
return match super::wayland::get_primary() {
Ok(n) => n,
Err(_) => 0,
};
}
}
if let Ok(all) = try_get_displays() {
for (i, d) in all.iter().enumerate() {
if d.is_primary() {
return i;
}
}
}
0
}
#[inline]
pub async fn switch_to_primary() {
switch_display(get_primary() as _).await;
}
#[inline]
#[cfg(not(all(windows, feature = "virtual_display_driver")))]
fn try_get_displays() -> ResultType<Vec<Display>> {
Ok(Display::all()?)
}
#[cfg(all(windows, feature = "virtual_display_driver"))]
fn try_get_displays() -> ResultType<Vec<Display>> {
let mut displays = Display::all()?;
if displays.len() == 0 {
log::debug!("no displays, create virtual display");
if let Err(e) = virtual_display_manager::plug_in_headless() {
log::error!("plug in headless failed {}", e);
} else {
displays = Display::all()?;
}
} else if displays.len() > 1 {
// If more than one displays exists, close RustDeskVirtualDisplay
if virtual_display_manager::plug_out_headless() {
displays = Display::all()?;
}
}
Ok(displays)
}
pub(super) fn get_current_display_2(mut all: Vec<Display>) -> ResultType<(usize, usize, Display)> {
let mut current = *CURRENT_DISPLAY.lock().unwrap() as usize;
if all.len() == 0 {
bail!("No displays");
}
let n = all.len();
if current >= n {
current = 0;
for (i, d) in all.iter().enumerate() {
if d.is_primary() {
current = i;
break;
}
}
*CURRENT_DISPLAY.lock().unwrap() = current;
}
return Ok((n, current, all.remove(current)));
}
pub fn get_current_display() -> ResultType<(usize, usize, Display)> {
get_current_display_2(try_get_displays()?)
}
// `try_reset_current_display` is needed because `get_displays` may change the current display,
// which may cause the mismatch of current display and the current display name.
pub fn get_current_display_name() -> ResultType<String> {
Ok(get_current_display_2(try_get_displays()?)?.2.name())
}
#[cfg(windows)]
fn start_uac_elevation_check() {
static START: Once = Once::new();
START.call_once(|| {
if !crate::platform::is_installed() && !crate::platform::is_root() {
std::thread::spawn(|| loop {
std::thread::sleep(std::time::Duration::from_secs(1));
if let Ok(uac) = is_process_consent_running() {
*IS_UAC_RUNNING.lock().unwrap() = uac;
}
if !crate::platform::is_elevated(None).unwrap_or(false) {
if let Ok(elevated) = crate::platform::is_foreground_window_elevated() {
*IS_FOREGROUND_WINDOW_ELEVATED.lock().unwrap() = elevated;
}
}
});
}
});
}