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Fix shm count calculation

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This commit is contained in:
Nicolas Mowen 2024-09-02 17:58:52 -06:00
parent 50c28cc048
commit 3a09bafb07
1 changed files with 13 additions and 8 deletions
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21
frigate/app.py
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@ -610,16 +610,21 @@ class FrigateApp:
min_req_shm += 8 min_req_shm += 8
available_shm = total_shm - min_req_shm available_shm = total_shm - min_req_shm
cam_average_shm = 0 cam_total_frame_size = 0
for camera in self.config.cameras.values(): for camera in self.config.cameras.values():
cam_average_shm += round( if camera.enabled:
(camera.detect.width * camera.detect.height * 1.5 + 270480) / 1048576, cam_total_frame_size += round(
1, (camera.detect.width * camera.detect.height * 1.5 + 270480) / 1048576,
) 1,
)
self.shm_frame_count = max( self.shm_frame_count = min(
50, int(available_shm / (cam_average_shm / len(self.config.cameras))) 50, int(available_shm / (cam_total_frame_size))
)
logger.info(
f"Calculated total camera size {available_shm} / {cam_total_frame_size} :: {self.shm_frame_count} frames for each camera in SHM"
) )
logger.info( logger.info(
@ -628,7 +633,7 @@ class FrigateApp:
if self.shm_frame_count < 10: if self.shm_frame_count < 10:
logger.warning( logger.warning(
f"The current SHM size of {total_shm}MB is too small, recommend increasing it to at least {round(min_req_shm + (cam_average_shm * 10))}MB." f"The current SHM size of {total_shm}MB is too small, recommend increasing it to at least {round(min_req_shm + cam_total_frame_size)}MB."
) )
def init_auth(self) -> None: def init_auth(self) -> None: