85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
#include <boostAsioLinkageFix.h>
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#include <cameraSession.h>
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#include <sessionModeConfigure.h>
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#include <stdexcept>
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namespace lcamera_dev {
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CameraSession::CameraSession(
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const CameraIdentityRecord& identity,
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const std::shared_ptr<libcamera::Camera>& camera)
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: s("lcameraDev::CameraSession", CameraSessionResources{identity, camera})
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{}
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void CameraSession::incrementRefcount()
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{
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++s.rsrc.refcount;
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}
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bool CameraSession::decrementRefcount()
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{
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if (s.rsrc.refcount <= 0)
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{
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throw std::logic_error(
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"lcameraDev: releaseDeviceCReq refcount underflow");
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}
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--s.rsrc.refcount;
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return s.rsrc.refcount == 0;
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}
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sscl::co::ViralNonPostingInvoker<LcameraDevConfiguredCameraMode>
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CameraSession::configureSessionModeCReq(
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const LcameraDevCameraModeRequest& request)
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{
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sscl::co::CoQutex::ReleaseHandle sessionGuard =
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co_await s.lock.getAcquireInvocationAndSuspensionPolicy();
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if (s.rsrc.isStreaming)
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{
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throw std::runtime_error(
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"lcameraDev: cannot configure session mode while streaming");
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}
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validateCameraModeRequest(request);
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rejectFullPlanarOptionalAtConfigureApi(request);
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if (s.rsrc.configuredMode.has_value()
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&& cameraModeRequestsEqual(s.rsrc.configuredRequest, request))
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{
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co_return *s.rsrc.configuredMode;
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}
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if (s.rsrc.configuredMode.has_value())
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{
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throw std::runtime_error(
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"lcameraDev: conflicting camera mode request on configured "
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"session");
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}
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std::shared_ptr<libcamera::CameraConfiguration> heldConfiguration;
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const LcameraDevConfiguredCameraMode resolvedMode =
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configureLibcameraSessionMode(
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s.rsrc.camera,
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request,
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heldConfiguration);
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const ConfigureSessionModeStatus status =
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applyModeRequestToSessionState(
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s.rsrc,
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request,
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resolvedMode,
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heldConfiguration);
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if (status != ConfigureSessionModeStatus::Configured)
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{
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throw std::logic_error(
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"lcameraDev: unexpected configure session mode status");
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}
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co_return *s.rsrc.configuredMode;
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}
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} // namespace lcamera_dev
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