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libcamera: V4L2VideoDevice: Add tryFormat

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Add tryFormat and its variations (meta, single-plane, multi-plane) to
V4L2VideoDevice.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Paul Elder 2020-07-04 17:51:27 +09:00
parent 5791fdc1cb
commit f1b449476c
2 changed files with 42 additions and 15 deletions
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7
include/libcamera/internal/v4l2_videodevice.h
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@ -186,6 +186,7 @@ public:
const V4L2Capability &caps() const { return caps_; }
int getFormat(V4L2DeviceFormat *format);
int tryFormat(V4L2DeviceFormat *format);
int setFormat(V4L2DeviceFormat *format);
std::map<V4L2PixelFormat, std::vector<SizeRange>> formats(uint32_t code = 0);
@ -217,13 +218,13 @@ protected:
private:
int getFormatMeta(V4L2DeviceFormat *format);
int setFormatMeta(V4L2DeviceFormat *format);
int trySetFormatMeta(V4L2DeviceFormat *format, bool set);
int getFormatMultiplane(V4L2DeviceFormat *format);
int setFormatMultiplane(V4L2DeviceFormat *format);
int trySetFormatMultiplane(V4L2DeviceFormat *format, bool set);
int getFormatSingleplane(V4L2DeviceFormat *format);
int setFormatSingleplane(V4L2DeviceFormat *format);
int trySetFormatSingleplane(V4L2DeviceFormat *format, bool set);
std::vector<V4L2PixelFormat> enumPixelformats(uint32_t code);
std::vector<SizeRange> enumSizes(V4L2PixelFormat pixelFormat);