[libcamera-devel] [PATCH v3 09/18] py: cam_kms: support multiplanar formats
Tomi Valkeinen
tomi.valkeinen at ideasonboard.com
Wed May 18 15:13:20 CEST 2022
Support multiplanar formats in the kms renderer. Tested with RPi and
NV12.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
---
src/py/cam/cam_kms.py | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/src/py/cam/cam_kms.py b/src/py/cam/cam_kms.py
index ae6be277..f1844717 100644
--- a/src/py/cam/cam_kms.py
+++ b/src/py/cam/cam_kms.py
@@ -10,6 +10,7 @@ FMT_MAP = {
'YUYV': pykms.PixelFormat.YUYV,
'ARGB8888': pykms.PixelFormat.ARGB8888,
'XRGB8888': pykms.PixelFormat.XRGB8888,
+ 'NV12': pykms.PixelFormat.NV12,
}
@@ -133,10 +134,16 @@ class KMSRenderer:
for fb in ctx['allocator'].buffers(stream):
w, h = cfg.size
- stride = cfg.stride
- fd = fb.fd(0)
+ fds = []
+ strides = []
+ offsets = []
+ for i in range(fb.num_planes):
+ fds.append(fb.fd(i))
+ strides.append(cfg.stride)
+ offsets.append(fb.offset(i))
+
drmfb = pykms.DmabufFramebuffer(self.card, w, h, fmt,
- [fd], [stride], [0])
+ fds, strides, offsets)
self.cam_2_drm[fb] = drmfb
idx += 1
--
2.34.1
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