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py: cam_kms: Support multiplanar formats

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Support multiplanar formats in the kms renderer. Tested with RPi and
NV12.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Tomi Valkeinen 2022-05-18 16:13:20 +03:00 • committed by Laurent Pinchart
parent 1384cedf50
commit a4964c5df1
1 changed files with 10 additions and 3 deletions
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13
src/py/cam/cam_kms.py
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@ -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