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#include "screenstreamer.h"
#include <QDebug>
#include <QLoggingCategory>
#include "flipperzero.h"
#include "protobufsession.h"
#include "guiresponseinterface.h"
#include "rpc/guistartscreenstreamoperation.h"
#include "rpc/guistopscreenstreamoperation.h"
#include "rpc/guisendinputoperation.h"
#include "pixmaps/default.h"
Q_LOGGING_CATEGORY(CATEGORY_SCREEN, "SCR")
using namespace Flipper;
using namespace Zero;
static constexpr int SCREEN_FRAME_WIDTH = 128;
static constexpr int SCREEN_FRAME_HEIGHT = 64;
// ScreenStream and VirtualDisplay formats differ
static QByteArray transposeImage(const QByteArray &in, int width, int height)
{
QByteArray out((width * height) / 8, 0x0);
for(auto y = 0; y < height; ++y) {
for(auto x = 0; x < width; ++x) {
const auto ii = (y * width + x) / 8;
const auto oi = y / 8 * width + x;
const auto iz = x % 8;
const auto oz = y % 8;
if(in[ii] & (1 << iz)) {
out[oi] = out[oi] | (1 << oz);
}
}
}
return out;
}
ScreenStreamer::ScreenStreamer(QObject *parent):
QObject(parent),
m_streamState(StreamState::Stopped),
m_device(nullptr)
{}
void ScreenStreamer::setDevice(FlipperZero *device)
{
if(device == m_device) {
return;
}
setStreamState(StreamState::Stopped);
m_device = device;
setScreenFrame({
transposeImage(QByteArray((char*)default_bits, sizeof(default_bits)), default_width, default_height),
QSize(SCREEN_FRAME_WIDTH, SCREEN_FRAME_HEIGHT),
Qt::LandscapeOrientation,
});
if(device) {
auto *rpc = device->rpc();
connect(rpc, &ProtobufSession::broadcastResponseReceived, this, &ScreenStreamer::onBroadcastResponseReceived);
connect(rpc, &ProtobufSession::sessionStateChanged, this, &ScreenStreamer::onProtobufSessionStateChanged);
}
}
void ScreenStreamer::sendInputEvent(InputEvent::Key key, InputEvent::Type type)
{
auto *operation = m_device->rpc()->guiSendInput(key, type);
connect(operation, &AbstractOperation::finished, this, [=]() {
if(operation->isError()) {
setStreamState(Stopped);
qCDebug(CATEGORY_SCREEN).noquote() << "Failed to send input event: " << operation->errorString();
}
});
}
bool ScreenStreamer::isEnabled() const
{
return m_streamState == Running || m_streamState == Paused;
}
void ScreenStreamer::setEnabled(bool set)
{
if(set) {
start();
} else {
stop();
}
}
bool ScreenStreamer::isPaused() const
{
return m_streamState == Paused;
}
void ScreenStreamer::setPaused(bool set)
{
if(set && m_streamState == Running) {
setStreamState(Paused);
} else if(!set && m_streamState == Paused) {
setStreamState(Running);
}
}
const ScreenFrame &ScreenStreamer::screenFrame() const
{
return m_screenData;
}
void ScreenStreamer::start()
{
if(!m_device) {
return;
} else if(m_streamState != StreamState::Stopped) {
qCDebug(CATEGORY_SCREEN) << "Screen streaming is already running";
return;
}
setStreamState(StreamState::Starting);
auto *operation = m_device->rpc()->guiStartScreenStream();
connect(operation, &AbstractOperation::finished, this, [=]() {
if(operation->isError()) {
setStreamState(Stopped);
qCDebug(CATEGORY_SCREEN).noquote() << "Failed to initiate screen streaming: " << operation->errorString();
} else {
setStreamState(Running);
}
});
}
void ScreenStreamer::stop()
{
if(!isEnabled()) {
qCDebug(CATEGORY_SCREEN) << "Screen streaming is already stopped";
return;
}
setStreamState(StreamState::Stopping);
auto *operation = m_device->rpc()->guiStopScreenStream();
connect(operation, &AbstractOperation::finished, this, [=]() {
if(operation->isError()) {
qCDebug(CATEGORY_SCREEN).noquote() << "Failed to stop screen streaming: " << operation->errorString();
}
setStreamState(Stopped);
});
}
void ScreenStreamer::onProtobufSessionStateChanged()
{
if(!m_device->rpc()->isSessionUp()) {
setStreamState(Stopped);
}
}
void ScreenStreamer::onBroadcastResponseReceived(QObject *response)
{
if(m_streamState != Running) {
return;
}
auto *screenFrameResponse = qobject_cast<GuiScreenFrameResponseInterface*>(response);
if(screenFrameResponse) {
setScreenFrame({
screenFrameResponse->screenFrame(),
QSize(SCREEN_FRAME_WIDTH, SCREEN_FRAME_HEIGHT),
screenFrameResponse->screenOrientation(),
});
}
}
void ScreenStreamer::setStreamState(StreamState newState)
{
if(newState == m_streamState) {
return;
}
m_streamState = newState;
emit streamStateChanged();
}
void ScreenStreamer::setScreenFrame(const ScreenFrame &frame)
{
m_screenData = frame;
emit screenFrameChanged();
}
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