xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[media] videodev2.h: fix sYCC/AdobeYCC default quantization range

Browse Source 
The default quantization range of the Y'CbCr encodings of sRGB
and AdobeRGB are full range instead of limited range according to
the corresponding standards.

Fix this in the V4L2_MAP_QUANTIZATION_DEFAULT macro.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Hans Verkuil
2016-08-04 05:51:12 -03:00
committed by Mauro Carvalho Chehab
parent bee3d51156
commit 7e0739cd9c
2 changed files with 6 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
include/uapi/linux/videodev2.h
View File

@@ -345,8 +345,8 @@ enum v4l2_quantization {
/*
* The default for R'G'B' quantization is always full range, except
* for the BT2020 colorspace. For Y'CbCr the quantization is always
* limited range, except for COLORSPACE_JPEG, SYCC, XV601 or XV709:
* those are full range.
* limited range, except for COLORSPACE_JPEG, SRGB, ADOBERGB,
* XV601 or XV709: those are full range.
*/
V4L2_QUANTIZATION_DEFAULT = 0,
V4L2_QUANTIZATION_FULL_RANGE = 1,
@@ -361,7 +361,8 @@ enum v4l2_quantization {
#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb, colsp, ycbcr_enc) \
(((is_rgb) && (colsp) == V4L2_COLORSPACE_BT2020) ? V4L2_QUANTIZATION_LIM_RANGE : \
(((is_rgb) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \
(ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) ? \
(ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) || \
(colsp) == V4L2_COLORSPACE_ADOBERGB || (colsp) == V4L2_COLORSPACE_SRGB ? \
V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
enum v4l2_priority {