[libcamera-devel] [PATCH v5 12/12] py: cam: Add option to set stream orientation
Jacopo Mondi
jacopo.mondi at ideasonboard.com
Fri Sep 1 17:02:15 CEST 2023
Add a '--orientation|-o' option to the Python version of the cam test
application to set an orientation to the image stream.
Supported values are:
- Rot180: Rotate 180 degrees
- Flip: vertical flip
- Mirror: horizontal flip
Signed-off-by: Jacopo Mondi <jacopo.mondi at ideasonboard.com>
---
src/py/cam/cam.py | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/src/py/cam/cam.py b/src/py/cam/cam.py
index a2a115c164b4..84d8ca1716fd 100755
--- a/src/py/cam/cam.py
+++ b/src/py/cam/cam.py
@@ -23,6 +23,7 @@ class CameraContext:
opt_metadata: bool
opt_save_frames: bool
opt_capture: int
+ opt_orientation: str
stream_names: dict[libcam.Stream, str]
streams: list[libcam.Stream]
@@ -146,6 +147,20 @@ class CameraContext:
if 'pixelformat' in stream_opts:
stream_config.pixel_format = libcam.PixelFormat(stream_opts['pixelformat'])
+ if self.opt_orientation is not None:
+ orientation_map = {
+ 'Rot180': libcam.Orientation.Rotate180,
+ 'Mirror': libcam.Orientation.Rotate0Flip,
+ 'Flip': libcam.Orientation.Rotate180Flip,
+ }
+
+ orient = orientation_map.get(self.opt_orientation, None)
+ if orient is None:
+ print('Bad orientation: ', self.opt_orientation)
+ sys.exit(-1)
+
+ camconfig.orientation = orient
+
stat = camconfig.validate()
if stat == libcam.CameraConfiguration.Status.Invalid:
@@ -385,6 +400,7 @@ def main():
parser.add_argument('--metadata', nargs=0, type=bool, action=CustomAction, help='Print the metadata for completed requests')
parser.add_argument('--strict-formats', type=bool, nargs=0, action=CustomAction, help='Do not allow requested stream format(s) to be adjusted')
parser.add_argument('-s', '--stream', nargs='+', action=CustomAction)
+ parser.add_argument('-o', '--orientation', help='Desired image orientation (Rot180, Mirror, Flip)')
args = parser.parse_args()
cm = libcam.CameraManager.singleton()
@@ -408,6 +424,10 @@ def main():
ctx.opt_metadata = args.metadata.get(cam_idx, False)
ctx.opt_strict_formats = args.strict_formats.get(cam_idx, False)
ctx.opt_stream = args.stream.get(cam_idx, ['role=viewfinder'])
+ if args.orientation is not None:
+ ctx.opt_orientation = args.orientation
+ else:
+ ctx.opt_orientation = None
contexts.append(ctx)
for ctx in contexts:
--
2.40.1
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