[libcamera-devel] [PATCH 1/2] utils: gen-formats: Support big-endian DRM formats
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Sun Jan 31 19:43:51 CET 2021
DRM 4CCs are defined in little-endian, and can be declined in a
big-endian version by setting bit 31 (DRM_FORMAT_BIG_ENDIAN) in the 4CC
value.
Add support for such formats in the gen-formats.py script.
Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
utils/gen-formats.py | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/utils/gen-formats.py b/utils/gen-formats.py
index 60dcecc345d5..da79a8bbba3a 100755
--- a/utils/gen-formats.py
+++ b/utils/gen-formats.py
@@ -59,10 +59,13 @@ def generate_h(formats, drm_fourcc):
for format in formats:
name, format = format.popitem()
+ fourcc = drm_fourcc.fourcc(format['fourcc'])
+ if format.get('big-endian'):
+ fourcc += '| DRM_FORMAT_BIG_ENDIAN'
data = {
'name': name,
- 'fourcc': drm_fourcc.fourcc(format['fourcc']),
+ 'fourcc': fourcc,
'mod': '0, 0',
}
--
Regards,
Laurent Pinchart
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