[libcamera-devel] [PATCH v5 5/6] libcamera: ipu3: Set pipe_mode based on stream configuration
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Sat Jun 22 22:30:14 CEST 2019
Hi Jacopo,
Thank you for the patch.
On Thu, Jun 20, 2019 at 05:31:43PM +0200, Jacopo Mondi wrote:
> Set the ImgU pipe_mode control based on the active stream configuration.
> Use 'Video' pipe mode unless the viewfinder stream is not active.
>
> Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> ---
> src/libcamera/pipeline/ipu3/ipu3.cpp | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
> index 1c0a9825b4cd..54a6735dfc87 100644
> --- a/src/libcamera/pipeline/ipu3/ipu3.cpp
> +++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
> @@ -22,6 +22,7 @@
> #include "media_device.h"
> #include "pipeline_handler.h"
> #include "utils.h"
> +#include "v4l2_controls.h"
> #include "v4l2_subdevice.h"
> #include "v4l2_videodevice.h"
>
> @@ -194,6 +195,12 @@ private:
> class PipelineHandlerIPU3 : public PipelineHandler
> {
> public:
> + static constexpr unsigned int V4L2_CID_IPU3_PIPE_MODE = 0x009819c1;
> + enum IPU3PipeModes {
> + IPU3PipeModeVideo = 0,
> + IPU3PipeModeStillCapture = 1,
> + };
> +
> PipelineHandlerIPU3(CameraManager *manager);
>
> CameraConfiguration *generateConfiguration(Camera *camera,
> @@ -559,6 +566,17 @@ int PipelineHandlerIPU3::configure(Camera *camera, CameraConfiguration *c)
> if (ret)
> return ret;
>
> + /* Apply the "pipe_mode" control to the ImgU subdevice. */
> + V4L2Controls ctrls;
> + ctrls.add(V4L2_CID_IPU3_PIPE_MODE, vfStream->active_ ?
> + IPU3PipeModeVideo :
> + IPU3PipeModeStillCapture);
> + ret = imgu->imgu_->setControls(&ctrls);
> + if (ret) {
> + LOG(IPU3, Error) << "Unable to set pipe_mode control";
> + return ret;
> + }
> +
> return 0;
> }
>
--
Regards,
Laurent Pinchart
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