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output the current frame from each active camera instead of last active

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This commit is contained in:
Blake Blackshear 2021-06-13 08:48:14 -05:00
parent a7ecc2af4b
commit e0eb247028
1 changed files with 16 additions and 10 deletions
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26
frigate/output.py
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@ -117,6 +117,7 @@ class BirdsEyeFrameManager:
)
self.cameras[camera] = {
"last_active_frame": 0.0,
"current_frame": 0.0,
"layout_frame": 0.0,
"channel_dims": {
"y": y,
@ -133,6 +134,7 @@ class BirdsEyeFrameManager:
self.last_output_time = 0.0
def clear_frame(self):
logger.debug(f"Clearing the birdseye frame")
self.frame[:] = self.blank_frame
def copy_to_position(self, position, camera=None, frame_time=None):
@ -165,16 +167,17 @@ class BirdsEyeFrameManager:
def update_frame(self):
# determine how many cameras are tracking objects within the last 30 seconds
now = datetime.datetime.now().timestamp()
active_cameras = set(
[
cam
for cam, cam_data in self.cameras.items()
if now - cam_data["last_active_frame"] < 30
if cam_data["last_active_frame"] > 0
and cam_data["current_frame"] - cam_data["last_active_frame"] < 30
]
)
logger.debug(f"Active cameras: {active_cameras}")
# if there are no active cameras
if len(active_cameras) == 0:
# if the layout is already cleared
@ -188,9 +191,11 @@ class BirdsEyeFrameManager:
# calculate layout dimensions
layout_dim = math.ceil(math.sqrt(len(active_cameras)))
logger.debug(f"New calculated layout dimensions: {layout_dim}")
# reset the layout if it needs to be different
if layout_dim != self.layout_dim:
logger.debug(f"Changing layout size from {self.layout_dim} to {layout_dim}")
self.layout_dim = layout_dim
self.camera_layout = [None] * layout_dim * layout_dim
@ -235,11 +240,11 @@ class BirdsEyeFrameManager:
self.copy_to_position(
position,
added_camera,
self.cameras[added_camera]["last_active_frame"],
self.cameras[added_camera]["current_frame"],
)
self.cameras[added_camera]["layout_frame"] = self.cameras[
added_camera
]["last_active_frame"]
]["current_frame"]
# if removing this camera with no replacement
else:
self.camera_layout[position] = None
@ -252,22 +257,22 @@ class BirdsEyeFrameManager:
self.copy_to_position(
position,
added_camera,
self.cameras[added_camera]["last_active_frame"],
self.cameras[added_camera]["current_frame"],
)
self.cameras[added_camera]["layout_frame"] = self.cameras[added_camera][
"last_active_frame"
"current_frame"
]
# if not an empty spot and the camera has a newer frame, copy it
elif (
not camera is None
and self.cameras[camera]["last_active_frame"]
and self.cameras[camera]["current_frame"]
!= self.cameras[camera]["layout_frame"]
):
self.copy_to_position(
position, camera, self.cameras[camera]["last_active_frame"]
position, camera, self.cameras[camera]["current_frame"]
)
self.cameras[camera]["layout_frame"] = self.cameras[camera][
"last_active_frame"
"current_frame"
]
return True
@ -275,6 +280,7 @@ class BirdsEyeFrameManager:
def update(self, camera, object_count, motion_count, frame_time, frame) -> bool:
# update the last active frame for the camera
self.cameras[camera]["current_frame"] = frame_time
if self.camera_active(object_count, motion_count):
last_active_frame = self.cameras[camera]["last_active_frame"]
# cleanup the old frame