camera: Single/Double (QtMultimediaCamera)

This commit is contained in:
zhupengfei 2018-06-02 22:13:54 +08:00
parent 3cb91338e9
commit 341c07156a
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GPG key ID: 85B82A3E62174206
4 changed files with 23 additions and 8 deletions

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@ -48,7 +48,7 @@ bool QtCameraSurface::present(const QVideoFrame& frame) {
QtMultimediaCamera::QtMultimediaCamera(const std::string& camera_name,
const Service::CAM::Flip& flip)
: QtCameraInterface(flip), handler(QtMultimediaCameraHandler::GetHandler()) {
: QtCameraInterface(flip), handler(QtMultimediaCameraHandler::GetHandler(camera_name)) {
if (handler->thread() == QThread::currentThread()) {
handler->CreateCamera(camera_name);
} else {
@ -94,7 +94,7 @@ void QtMultimediaCamera::SetFrameRate(Service::CAM::FrameRate frame_rate) {
auto framerate = FrameRateList[static_cast<int>(frame_rate)];
handler->settings.setMinimumFrameRate(framerate.minimumFrameRate);
handler->settings.setMinimumFrameRate(framerate.maximumFrameRate);
handler->settings.setMaximumFrameRate(framerate.maximumFrameRate);
}
QImage QtMultimediaCamera::QtReceiveFrame() {
@ -115,17 +115,25 @@ std::array<std::shared_ptr<QtMultimediaCameraHandler>, 3> QtMultimediaCameraHand
std::array<bool, 3> QtMultimediaCameraHandler::status;
std::unordered_map<std::string, std::shared_ptr<QtMultimediaCameraHandler>>
QtMultimediaCameraHandler::loaded;
void QtMultimediaCameraHandler::Init() {
for (auto& handler : handlers) {
handler = std::make_shared<QtMultimediaCameraHandler>();
}
}
std::shared_ptr<QtMultimediaCameraHandler> QtMultimediaCameraHandler::GetHandler() {
std::shared_ptr<QtMultimediaCameraHandler> QtMultimediaCameraHandler::GetHandler(
const std::string& camera_name) {
if (loaded.count(camera_name)) {
return loaded.at(camera_name);
}
for (int i = 0; i < handlers.size(); i++) {
if (!status[i]) {
NGLOG_INFO(Service_CAM, "Successfully got handler {}", i);
status[i] = true;
loaded.emplace(camera_name, handlers[i]);
return handlers[i];
}
}
@ -140,6 +148,12 @@ void QtMultimediaCameraHandler::ReleaseHandler(
NGLOG_INFO(Service_CAM, "Successfully released handler {}", i);
status[i] = false;
handlers[i]->started = false;
for (auto it = loaded.begin(); it != loaded.end(); it++) {
if (it->second == handlers[i]) {
loaded.erase(it);
break;
}
}
break;
}
}