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save clean snapshot

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This commit is contained in:
Blake Blackshear 2021-06-19 08:38:42 -05:00
parent b134db48b3
commit 3a3b788c65
1 changed files with 38 additions and 0 deletions
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38
frigate/object_processing.py
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@ -192,6 +192,27 @@ class TrackedObject:
ret, jpg = cv2.imencode(".jpg", np.zeros((175, 175, 3), np.uint8))
return jpg.tobytes()
def get_clean_png(self):
if self.thumbnail_data is None:
return None
try:
best_frame = cv2.cvtColor(
self.frame_cache[self.thumbnail_data["frame_time"]],
cv2.COLOR_YUV2BGR_I420,
)
except KeyError:
logger.warning(
f"Unable to create clean png because frame {self.thumbnail_data['frame_time']} is not in the cache"
)
return None
ret, png = cv2.imencode(".png", best_frame)
if ret:
return png.tobytes()
else:
return None
def get_jpg_bytes(
self, timestamp=False, bounding_box=False, crop=False, height=None
):
@ -615,6 +636,23 @@ class TrackedObjectProcessor(threading.Thread):
) as j:
j.write(jpg_bytes)
event_data["has_snapshot"] = True
# write clean snapshot if enabled
if snapshot_config.clean_copy:
png_bytes = obj.get_clean_png()
if png_bytes is None:
logger.warning(
f"Unable to save clean snapshot for {obj.obj_data['id']}."
)
else:
with open(
os.path.join(
CLIPS_DIR,
f"{camera}-{obj.obj_data['id']}-clean.png",
),
"wb",
) as p:
p.write(png_bytes)
self.event_queue.put(("end", camera, event_data))
def snapshot(camera, obj: TrackedObject, current_frame_time):