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Enable event snapshot API to honour query params after event ends (#22375)

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* Enable event snapshot API to honour query params

* fix unused imports

* Fixes

* Run ruff check --fix

* Web changes

* Further config and web fixes

* Further docs tweak

* Fix missing quality default in MediaEventsSnapshotQueryParams

* Manual events: don't save annotated jpeg; store frame time

* Remove unnecessary grayscale helper

* Add caveat to docs on snapshot_frame_time pre-0.18

* JPG snapshot should not be treated as clean

* Ensure tracked details uses uncropped, bbox'd snapshot

* Ensure all UI pages / menu actions use uncropped, bbox'd

* web lint

* Add missed config helper text

* Expect  SnapshotsConfig not Any

* docs: Remove pre-0.18 note

* Specify timestamp=0 in the UI

* Move tests out of http media

* Correct missed settings.json wording

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>

* Revert to default None for quality

* Correct camera snapshot config wording

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>

* Fix quality=0 handling

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>

* Fix quality=0 handling #2

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>

* ReRun generate_config_translations

---------

Co-authored-by: leccelecce <example@example.com>
Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>
This commit is contained in:
leccelecce
2026-03-22 19:33:04 +00:00
committed by GitHub
parent b6c03c99de
commit ec7040bed5
32 changed files with 797 additions and 475 deletions
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47
frigate/data_processing/post/object_descriptions.py
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@@ -20,7 +20,7 @@ from frigate.genai import GenAIClient
from frigate.models import Event
from frigate.types import TrackedObjectUpdateTypesEnum
from frigate.util.builtin import EventsPerSecond, InferenceSpeed
from frigate.util.file import get_event_thumbnail_bytes
from frigate.util.file import get_event_thumbnail_bytes, load_event_snapshot_image
from frigate.util.image import create_thumbnail, ensure_jpeg_bytes
if TYPE_CHECKING:
@@ -224,39 +224,28 @@ class ObjectDescriptionProcessor(PostProcessorApi):
def _read_and_crop_snapshot(self, event: Event) -> bytes | None:
"""Read, decode, and crop the snapshot image."""
snapshot_file = os.path.join(CLIPS_DIR, f"{event.camera}-{event.id}.jpg")
if not os.path.isfile(snapshot_file):
logger.error(
f"Cannot load snapshot for {event.id}, file not found: {snapshot_file}"
)
return None
try:
with open(snapshot_file, "rb") as image_file:
snapshot_image = image_file.read()
img, _ = load_event_snapshot_image(event)
if img is None:
logger.error(f"Cannot load snapshot for {event.id}, file not found")
return None
img = cv2.imdecode(
np.frombuffer(snapshot_image, dtype=np.int8),
cv2.IMREAD_COLOR,
)
# Crop snapshot based on region
# provide full image if region doesn't exist (manual events)
height, width = img.shape[:2]
x1_rel, y1_rel, width_rel, height_rel = event.data.get(
"region", [0, 0, 1, 1]
)
x1, y1 = int(x1_rel * width), int(y1_rel * height)
# Crop snapshot based on region
# provide full image if region doesn't exist (manual events)
height, width = img.shape[:2]
x1_rel, y1_rel, width_rel, height_rel = event.data.get(
"region", [0, 0, 1, 1]
)
x1, y1 = int(x1_rel * width), int(y1_rel * height)
cropped_image = img[
y1 : y1 + int(height_rel * height),
x1 : x1 + int(width_rel * width),
]
cropped_image = img[
y1 : y1 + int(height_rel * height),
x1 : x1 + int(width_rel * width),
]
_, buffer = cv2.imencode(".jpg", cropped_image)
_, buffer = cv2.imencode(".jpg", cropped_image)
return buffer.tobytes()
return buffer.tobytes()
except Exception:
return None