diff options
| -rw-r--r-- | src/libcamera/control_ids.yaml | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/libcamera/control_ids.yaml b/src/libcamera/control_ids.yaml index adea5f90..a0fbb772 100644 --- a/src/libcamera/control_ids.yaml +++ b/src/libcamera/control_ids.yaml @@ -275,12 +275,12 @@ controls: type: int32_t description: | Reports a Figure of Merit (FoM) to indicate how in-focus the frame is. - A larger FocusFoM value indicates a more in-focus frame. This control - depends on the IPA to gather ISP statistics from the defined focus - region, and combine them in a suitable way to generate a FocusFoM value. - In this respect, it is not necessarily aimed at providing a way to - implement a focus algorithm by the application, rather an indication of - how in-focus a frame is. + A larger FocusFoM value indicates a more in-focus frame. This singular + value may be based on a combination of statistics gathered from + multiple focus regions within an image. The number of focus regions and + method of combination is platform dependent. In this respect, it is not + necessarily aimed at providing a way to implement a focus algorithm by + the application, rather an indication of how in-focus a frame is. - ColourCorrectionMatrix: type: float @@ -333,8 +333,8 @@ controls: - FrameDurationLimits: type: int64_t description: | - The minimum and maximum (in that order) frame duration, - expressed in microseconds. + The minimum and maximum (in that order) frame duration, expressed in + microseconds. When provided by applications, the control specifies the sensor frame duration interval the pipeline has to use. This limits the largest @@ -343,7 +343,7 @@ controls: the sensor will not be able to raise the exposure time above 33ms. A fixed frame duration is achieved by setting the minimum and maximum values to be the same. Setting both values to 0 reverts to using the - IPA provided defaults. + camera defaults. The maximum frame duration provides the absolute limit to the shutter speed computed by the AE algorithm and it overrides any exposure mode |