82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/*
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* Media Bus API header
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*
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* Copyright (C) 2009, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef V4L2_MEDIABUS_H
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#define V4L2_MEDIABUS_H
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/*
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* These pixel codes uniquely identify data formats on the media bus. Mostly
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* they correspond to similarly named V4L2_PIX_FMT_* formats, format 0 is
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* reserved, V4L2_MBUS_FMT_FIXED shall be used by host-client pairs, where the
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* data format is fixed. Additionally, "2X8" means that one pixel is transferred
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* in two 8-bit samples, "BE" or "LE" specify in which order those samples are
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* transferred over the bus: "LE" means that the least significant bits are
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* transferred first, "BE" means that the most significant bits are transferred
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* first, and "PADHI" and "PADLO" define which bits - low or high, in the
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* incomplete high byte, are filled with padding bits.
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*/
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enum v4l2_mbus_pixelcode {
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V4L2_MBUS_FMT_FIXED = 1,
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V4L2_MBUS_FMT_YUYV8_2X8_LE,
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V4L2_MBUS_FMT_YVYU8_2X8_LE,
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V4L2_MBUS_FMT_YUYV8_2X8_BE,
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V4L2_MBUS_FMT_YVYU8_2X8_BE,
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V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE,
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V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE,
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V4L2_MBUS_FMT_RGB565_2X8_LE,
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V4L2_MBUS_FMT_RGB565_2X8_BE,
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V4L2_MBUS_FMT_SBGGR8_1X8,
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V4L2_MBUS_FMT_SBGGR10_1X10,
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V4L2_MBUS_FMT_GREY8_1X8,
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V4L2_MBUS_FMT_Y10_1X10,
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V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE,
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V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_LE,
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V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_BE,
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V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_BE,
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};
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/**
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* struct v4l2_mbus_framefmt - frame format on the media bus
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* @width: frame width
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* @height: frame height
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* @code: data format code
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* @field: used interlacing type
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* @colorspace: colorspace of the data
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*/
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struct v4l2_mbus_framefmt {
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__u32 width;
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__u32 height;
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enum v4l2_mbus_pixelcode code;
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enum v4l2_field field;
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enum v4l2_colorspace colorspace;
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};
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static inline void v4l2_fill_pix_format(struct v4l2_pix_format *pix_fmt,
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const struct v4l2_mbus_framefmt *mbus_fmt)
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{
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pix_fmt->width = mbus_fmt->width;
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pix_fmt->height = mbus_fmt->height;
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pix_fmt->field = mbus_fmt->field;
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pix_fmt->colorspace = mbus_fmt->colorspace;
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}
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static inline void v4l2_fill_mbus_format(struct v4l2_mbus_framefmt *mbus_fmt,
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const struct v4l2_pix_format *pix_fmt,
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enum v4l2_mbus_pixelcode code)
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{
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mbus_fmt->width = pix_fmt->width;
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mbus_fmt->height = pix_fmt->height;
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mbus_fmt->field = pix_fmt->field;
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mbus_fmt->colorspace = pix_fmt->colorspace;
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mbus_fmt->code = code;
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}
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#endif
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