k-space/camera-motion-detect
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Improved corrupt frame handling
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This commit is contained in:
Lauri Võsandi 2022-07-28 23:37:38 +03:00
parent 3d1aa220dd
commit 4814030936
1 changed files with 16 additions and 14 deletions
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8
camdetect.py
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@ -376,12 +376,14 @@ async def download(resp, queue):
blob = buf + data[:marker+2] blob = buf + data[:marker+2]
# Parse DCT coefficients # Parse DCT coefficients
try:
dct = loads(blob) dct = loads(blob)
except RuntimeError:
counter_frames.labels("corrupted").inc()
else:
now = datetime.utcnow() now = datetime.utcnow()
gauge_last_frame.labels("download").set(now.timestamp()) gauge_last_frame.labels("download").set(now.timestamp())
try: try:
# Convert Y component to 16 bit for easier handling
queue.put_nowait(( queue.put_nowait((
now, now,
blob, blob,
@ -395,7 +397,7 @@ async def download(resp, queue):
counter_receive_frames.inc() counter_receive_frames.inc()
# seek begin # seek begin
marker = data.find(b"\xff\xd8") marker = data.rfind(b"\xff\xd8")
if marker >= 0: if marker >= 0:
buf = data[marker:] buf = data[marker:]
else: else: