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media: v4l2-dv-timings: add v4l2_hdmi_colorimetry()

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Add the v4l2_hdmi_colorimetry() function so we have a single function
that determines the colorspace, YCbCr encoding, quantization range and
transfer function from the InfoFrame data.

Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Hans Verkuil 2018-02-15 12:55:29 -05:00 • committed by Mauro Carvalho Chehab
commit 357a856a6c
2 changed files with 162 additions and 0 deletions
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21
include/media/v4l2-dv-timings.h
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@ -212,5 +212,26 @@ static inline bool can_reduce_fps(struct v4l2_bt_timings *bt)
return false;
}
/**
* struct v4l2_hdmi_rx_colorimetry - describes the HDMI colorimetry information
* @colorspace: enum v4l2_colorspace, the colorspace
* @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
* @quantization: enum v4l2_quantization, colorspace quantization
* @xfer_func: enum v4l2_xfer_func, colorspace transfer function
*/
struct v4l2_hdmi_colorimetry {
enum v4l2_colorspace colorspace;
enum v4l2_ycbcr_encoding ycbcr_enc;
enum v4l2_quantization quantization;
enum v4l2_xfer_func xfer_func;
};
struct hdmi_avi_infoframe;
struct hdmi_vendor_infoframe;
struct v4l2_hdmi_colorimetry
v4l2_hdmi_rx_colorimetry(const struct hdmi_avi_infoframe *avi,
const struct hdmi_vendor_infoframe *hdmi,
unsigned int height);
#endif