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Fix shared memory frames being stuck when a camera capture crashed

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This commit is contained in:
Nicolas Mowen 2024-10-03 09:09:39 -06:00
parent b9e74ee9ab
commit 99bbc60948
1 changed files with 6 additions and 6 deletions
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12
frigate/video.py
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@ -94,6 +94,7 @@ def capture_frames(
ffmpeg_process,
config: CameraConfig,
shm_frame_count: int,
shm_frames: list[str],
frame_shape,
frame_manager: FrameManager,
frame_queue,
@ -108,8 +109,6 @@ def capture_frames(
skipped_eps = EventsPerSecond()
skipped_eps.start()
shm_frames: list[str] = []
while True:
fps.value = frame_rate.eps()
skipped_fps.value = skipped_eps.eps()
@ -154,10 +153,6 @@ def capture_frames(
# if the queue is full, skip this frame
skipped_eps.update()
# clear out frames
for frame in shm_frames:
frame_manager.delete(frame)
class CameraWatchdog(threading.Thread):
def __init__(
@ -176,6 +171,7 @@ class CameraWatchdog(threading.Thread):
self.camera_name = camera_name
self.config = config
self.shm_frame_count = shm_frame_count
self.shm_frames: list[str] = []
self.capture_thread = None
self.ffmpeg_detect_process = None
self.logpipe = LogPipe(f"ffmpeg.{self.camera_name}.detect")
@ -308,6 +304,7 @@ class CameraWatchdog(threading.Thread):
self.capture_thread = CameraCapture(
self.config,
self.shm_frame_count,
self.shm_frames,
self.ffmpeg_detect_process,
self.frame_shape,
self.frame_queue,
@ -348,6 +345,7 @@ class CameraCapture(threading.Thread):
self,
config: CameraConfig,
shm_frame_count: int,
shm_frames: list[str],
ffmpeg_process,
frame_shape,
frame_queue,
@ -359,6 +357,7 @@ class CameraCapture(threading.Thread):
self.name = f"capture:{config.name}"
self.config = config
self.shm_frame_count = shm_frame_count
self.shm_frames = shm_frames
self.frame_shape = frame_shape
self.frame_queue = frame_queue
self.fps = fps
@ -374,6 +373,7 @@ class CameraCapture(threading.Thread):
self.ffmpeg_process,
self.config,
self.shm_frame_count,
self.shm_frames,
self.frame_shape,
self.frame_manager,
self.frame_queue,