1.19. V4L2 Media Bus functions and data structures¶
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enum
v4l2_mbus_type¶ media bus type
Constants
V4L2_MBUS_PARALLEL- parallel interface with hsync and vsync
V4L2_MBUS_BT656- parallel interface with embedded synchronisation, can also be used for BT.1120
V4L2_MBUS_CSI1- MIPI CSI-1 serial interface
V4L2_MBUS_CCP2- CCP2 (Compact Camera Port 2)
V4L2_MBUS_CSI2- MIPI CSI-2 serial interface
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struct
v4l2_mbus_config¶ media bus configuration
Definition
struct v4l2_mbus_config {
enum v4l2_mbus_type type;
unsigned int flags;
};
Members
type- in: interface type
flags- in / out: configuration flags, depending on type
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void
v4l2_fill_pix_format(struct v4l2_pix_format * pix_fmt, const struct v4l2_mbus_framefmt * mbus_fmt)¶ Ancillary routine that fills a
struct v4l2_pix_formatfields from astruct v4l2_mbus_framefmt.
Parameters
struct v4l2_pix_format * pix_fmt- pointer to
struct v4l2_pix_formatto be filled const struct v4l2_mbus_framefmt * mbus_fmt- pointer to
struct v4l2_mbus_framefmtto be used as model
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void
v4l2_fill_mbus_format(struct v4l2_mbus_framefmt * mbus_fmt, const struct v4l2_pix_format * pix_fmt, u32 code)¶ Ancillary routine that fills a
struct v4l2_mbus_framefmtfrom astruct v4l2_pix_formatand a data format code.
Parameters
struct v4l2_mbus_framefmt * mbus_fmt- pointer to
struct v4l2_mbus_framefmtto be filled const struct v4l2_pix_format * pix_fmt- pointer to
struct v4l2_pix_formatto be used as model u32 code- data format code (from
enum v4l2_mbus_pixelcode)
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void
v4l2_fill_pix_format_mplane(struct v4l2_pix_format_mplane * pix_mp_fmt, const struct v4l2_mbus_framefmt * mbus_fmt)¶ Ancillary routine that fills a
struct v4l2_pix_format_mplanefields from a media bus structure.
Parameters
struct v4l2_pix_format_mplane * pix_mp_fmt- pointer to
struct v4l2_pix_format_mplaneto be filled const struct v4l2_mbus_framefmt * mbus_fmt- pointer to
struct v4l2_mbus_framefmtto be used as model
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void
v4l2_fill_mbus_format_mplane(struct v4l2_mbus_framefmt * mbus_fmt, const struct v4l2_pix_format_mplane * pix_mp_fmt)¶ Ancillary routine that fills a
struct v4l2_mbus_framefmtfrom astruct v4l2_pix_format_mplane.
Parameters
struct v4l2_mbus_framefmt * mbus_fmt- pointer to
struct v4l2_mbus_framefmtto be filled const struct v4l2_pix_format_mplane * pix_mp_fmt- pointer to
struct v4l2_pix_format_mplaneto be used as model