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#include "ScreenshareManager.hpp"
#include "../../render/OpenGL.hpp"
#include "../../Compositor.hpp"
#include "../../render/Renderer.hpp"
#include "../EventManager.hpp"
#include "../eventLoop/EventLoopManager.hpp"
#include "../../event/EventBus.hpp"
using namespace Screenshare;
CScreenshareSession::CScreenshareSession(PHLMONITOR monitor, wl_client* client) : m_type(SHARE_MONITOR), m_monitor(monitor), m_client(client) {
if UNLIKELY (!m_monitor)
return;
init();
}
CScreenshareSession::CScreenshareSession(PHLWINDOW window, wl_client* client) : m_type(SHARE_WINDOW), m_window(window), m_client(client) {
if UNLIKELY (!m_window)
return;
m_listeners.windowDestroyed = m_window->m_events.unmap.listen([this]() { stop(); });
m_listeners.windowSizeChanged = m_window->m_events.resize.listen([this]() {
calculateConstraints();
m_events.constraintsChanged.emit();
});
m_listeners.windowMonitorChanged = m_window->m_events.monitorChanged.listen([this]() {
m_listeners.monitorDestroyed = monitor()->m_events.disconnect.listen([this]() { stop(); });
m_listeners.monitorModeChanged = monitor()->m_events.modeChanged.listen([this]() {
calculateConstraints();
m_events.constraintsChanged.emit();
});
calculateConstraints();
m_events.constraintsChanged.emit();
});
init();
}
CScreenshareSession::CScreenshareSession(PHLMONITOR monitor, CBox captureRegion, wl_client* client) :
m_type(SHARE_REGION), m_monitor(monitor), m_captureBox(captureRegion), m_client(client) {
if UNLIKELY (!m_monitor)
return;
init();
}
CScreenshareSession::~CScreenshareSession() {
stop();
uintptr_t ptr = m_type == SHARE_WINDOW && !m_window.expired() ? (uintptr_t)m_window.get() : (m_monitor.expired() ? (uintptr_t)nullptr : (uintptr_t)m_monitor.get());
LOGM(Log::TRACE, "Destroyed screenshare session for ({}): {}, {:x}", m_type, m_name, ptr);
}
void CScreenshareSession::stop() {
if (m_stopped)
return;
m_stopped = true;
m_events.stopped.emit();
screenshareEvents(false);
}
bool CScreenshareSession::isActive() {
return !m_stopped;
}
void CScreenshareSession::init() {
uintptr_t ptr = m_type == SHARE_WINDOW && !m_window.expired() ? (uintptr_t)m_window.get() : (m_monitor.expired() ? (uintptr_t)nullptr : (uintptr_t)m_monitor.get());
LOGM(Log::TRACE, "Created screenshare session for ({}): {}, {:x}", m_type, m_name, ptr);
m_shareStopTimer = makeShared<CEventLoopTimer>(
std::chrono::milliseconds(500),
[this](SP<CEventLoopTimer> self, void* data) {
// if this fires, then it's been half a second since the last frame, so we aren't sharing
screenshareEvents(false);
},
nullptr);
if (g_pEventLoopManager)
g_pEventLoopManager->addTimer(m_shareStopTimer);
// scale capture box since it's in logical coords
m_captureBox.scale(monitor()->m_scale);
m_listeners.monitorDestroyed = monitor()->m_events.disconnect.listen([this]() { stop(); });
m_listeners.monitorModeChanged = monitor()->m_events.modeChanged.listen([this]() {
calculateConstraints();
m_events.constraintsChanged.emit();
});
calculateConstraints();
}
void CScreenshareSession::calculateConstraints() {
const auto PMONITOR = monitor();
if (!PMONITOR) {
stop();
return;
}
// TODO: maybe support more that just monitor format in the future?
m_formats.clear();
m_formats.push_back(NFormatUtils::alphaFormat(PMONITOR->getPreferredReadFormat()));
m_formats.push_back(PMONITOR->getPreferredReadFormat()); // some clients don't like alpha formats
// TODO: hack, we can't bit flip so we'll format flip heh, GL_BGRA_EXT won't work here
for (auto& format : m_formats) {
if (format == DRM_FORMAT_XRGB2101010 || format == DRM_FORMAT_ARGB2101010)
format = DRM_FORMAT_XBGR2101010;
}
switch (m_type) {
case SHARE_MONITOR:
m_bufferSize = PMONITOR->m_pixelSize;
m_name = PMONITOR->m_name;
break;
case SHARE_WINDOW:
m_bufferSize = (m_window->m_realSize->value() * PMONITOR->m_scale).round();
m_name = m_window->m_title;
break;
case SHARE_REGION:
m_bufferSize = PMONITOR->m_transform % 2 == 0 ? m_captureBox.size() : Vector2D{m_captureBox.h, m_captureBox.w};
m_name = PMONITOR->m_name;
break;
case SHARE_NONE:
default:
LOGM(Log::ERR, "Invalid share type?? This shouldn't happen");
stop();
return;
}
LOGM(Log::TRACE, "constraints changed for {}", m_name);
}
void CScreenshareSession::screenshareEvents(bool startSharing) {
if (startSharing && !m_sharing) {
m_sharing = true;
g_pEventManager->postEvent(SHyprIPCEvent{.event = "screencast", .data = std::format("1,{}", m_type)});
g_pEventManager->postEvent(SHyprIPCEvent{.event = "screencastv2", .data = std::format("1,{},{}", m_type, m_name)});
LOGM(Log::INFO, "Started screenshare session for ({}): {}", m_type, m_name);
Event::bus()->m_events.screenshare.state.emit(true, m_type, m_name);
} else if (!startSharing && m_sharing) {
m_sharing = false;
g_pEventManager->postEvent(SHyprIPCEvent{.event = "screencast", .data = std::format("0,{}", m_type)});
g_pEventManager->postEvent(SHyprIPCEvent{.event = "screencastv2", .data = std::format("0,{},{}", m_type, m_name)});
LOGM(Log::INFO, "Stopped screenshare session for ({}): {}", m_type, m_name);
Event::bus()->m_events.screenshare.state.emit(false, m_type, m_name);
}
}
const std::vector<DRMFormat>& CScreenshareSession::allowedFormats() const {
return m_formats;
}
Vector2D CScreenshareSession::bufferSize() const {
return m_bufferSize;
}
PHLMONITOR CScreenshareSession::monitor() const {
if (m_type == SHARE_WINDOW && m_window.expired())
return nullptr;
PHLMONITORREF mon = m_type == SHARE_WINDOW ? m_window->m_monitor : m_monitor;
return mon.expired() ? nullptr : mon.lock();
}
UP<CScreenshareFrame> CScreenshareSession::nextFrame(bool overlayCursor) {
UP<CScreenshareFrame> frame = makeUnique<CScreenshareFrame>(m_self, overlayCursor, !m_sharing);
frame->m_self = frame;
Screenshare::mgr()->m_pendingFrames.emplace_back(frame);
// there is now a pending frame, so block ds
g_pHyprRenderer->m_directScanoutBlocked = true;
return frame;
}
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