[libcamera-devel] [RFC 1/7] libcamera: camera_configuration: Return config index
Niklas Söderlund
niklas.soderlund at ragnatech.se
Fri Sep 4 08:11:07 CEST 2020
Hi Jacopo,
Thanks for your work.
On 2020-09-02 15:08:40 +0200, Jacopo Mondi wrote:
> When adding a new StreamConfiguration to a CameraConfiguration instance
> it might be useful to know how what is the index of the newly added item
> to be able to retrieve it later.
>
> Return the index of the newly inserted item, which corresponds to the
> 0-indexed number of items in the CameraConfiguration::config_ vector,
> from CameraConfiguration::addConfiguration().
>
> Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
> ---
> include/libcamera/camera.h | 2 +-
> src/libcamera/camera.cpp | 5 ++++-
> 2 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/include/libcamera/camera.h b/include/libcamera/camera.h
> index 272c12c3c473..53c32afa23a5 100644
> --- a/include/libcamera/camera.h
> +++ b/include/libcamera/camera.h
> @@ -39,7 +39,7 @@ public:
>
> virtual ~CameraConfiguration();
>
> - void addConfiguration(const StreamConfiguration &cfg);
> + int addConfiguration(const StreamConfiguration &cfg);
> virtual Status validate() = 0;
>
> StreamConfiguration &at(unsigned int index);
> diff --git a/src/libcamera/camera.cpp b/src/libcamera/camera.cpp
> index 4a9c19c33cfb..9a8923620e24 100644
> --- a/src/libcamera/camera.cpp
> +++ b/src/libcamera/camera.cpp
> @@ -104,10 +104,13 @@ CameraConfiguration::~CameraConfiguration()
> /**
> * \brief Add a stream configuration to the camera configuration
> * \param[in] cfg The stream configuration
> + * \return The index of the newly added stream configuration
> */
> -void CameraConfiguration::addConfiguration(const StreamConfiguration &cfg)
> +int CameraConfiguration::addConfiguration(const StreamConfiguration &cfg)
> {
> config_.push_back(cfg);
> +
> + return config_.size() - 1;
> }
>
> /**
> --
> 2.28.0
>
> _______________________________________________
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> libcamera-devel at lists.libcamera.org
> https://lists.libcamera.org/listinfo/libcamera-devel
--
Regards,
Niklas Söderlund
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