diff options
Diffstat (limited to 'src/libcamera/pipeline_handler.cpp')
| -rw-r--r-- | src/libcamera/pipeline_handler.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/libcamera/pipeline_handler.cpp b/src/libcamera/pipeline_handler.cpp index 4ecd6c49..c92ee782 100644 --- a/src/libcamera/pipeline_handler.cpp +++ b/src/libcamera/pipeline_handler.cpp @@ -11,6 +11,7 @@ #include <libcamera/camera.h> #include <libcamera/camera_manager.h> +#include "device_enumerator.h" #include "log.h" #include "media_device.h" #include "utils.h" @@ -116,6 +117,8 @@ PipelineHandler::PipelineHandler(CameraManager *manager) PipelineHandler::~PipelineHandler() { + for (std::shared_ptr<MediaDevice> media : mediaDevices_) + media->release(); }; /** @@ -150,6 +153,35 @@ PipelineHandler::~PipelineHandler() */ /** + * \brief Search and acquire a MediDevice matching a device pattern + * \param[in] enumerator Enumerator containing all media devices in the system + * \param[in] dm Device match pattern + * + * Search the device \a enumerator for an available media device matching the + * device match pattern \a dm. Matching media device that have previously been + * acquired by MediaDevice::acquire() are not considered. If a match is found, + * the media device is acquired and returned. The caller shall not release the + * device explicitly, it will be automatically released when the pipeline + * handler is destroyed. + * + * \return A pointer to the matching MediaDevice, or nullptr if no match is found + */ +MediaDevice *PipelineHandler::acquireMediaDevice(DeviceEnumerator *enumerator, + const DeviceMatch &dm) +{ + std::shared_ptr<MediaDevice> media = enumerator->search(dm); + if (!media) + return nullptr; + + if (!media->acquire()) + return nullptr; + + mediaDevices_.push_back(media); + + return media.get(); +} + +/** * \fn PipelineHandler::streamConfiguration() * \brief Retrieve a group of stream configurations for a specified camera * \param[in] camera The camera to fetch default configuration from |