108 lines
2.7 KiB
Python
Executable File
108 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python3
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# pylint: skip-file
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import argparse
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import bisect
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import select
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import sys
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import termios
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import time
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import tty
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from collections import defaultdict
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import cereal.messaging as messaging
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from tools.lib.framereader import FrameReader
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from tools.lib.logreader import LogReader
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IGNORE = ['initData', 'sentinel']
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def input_ready():
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return select.select([sys.stdin], [], [], 0) == ([sys.stdin], [], [])
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def replay(route, loop):
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route = route.replace('|', '/')
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lr = LogReader(f"cd:/{route}/rlog.bz2")
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fr = FrameReader(f"cd:/{route}/fcamera.hevc", readahead=True)
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# Build mapping from frameId to segmentId from encodeIdx, type == fullHEVC
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msgs = [m for m in lr if m.which() not in IGNORE]
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msgs = sorted(msgs, key=lambda m: m.logMonoTime)
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times = [m.logMonoTime for m in msgs]
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frame_idx = {m.encodeIdx.frameId: m.encodeIdx.segmentId for m in msgs if m.which() == 'encodeIdx' and m.encodeIdx.type == 'fullHEVC'}
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socks = {}
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lag = 0
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i = 0
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max_i = len(msgs) - 2
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while True:
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msg = msgs[i].as_builder()
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next_msg = msgs[i + 1]
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start_time = time.time()
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w = msg.which()
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if w == 'frame':
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try:
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img = fr.get(frame_idx[msg.frame.frameId], pix_fmt="rgb24")
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img = img[0][:, :, ::-1] # Convert RGB to BGR, which is what the camera outputs
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msg.frame.image = img.flatten().tobytes()
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except (KeyError, ValueError):
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pass
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if w not in socks:
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socks[w] = messaging.pub_sock(w)
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try:
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if socks[w]:
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socks[w].send(msg.to_bytes())
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except messaging.messaging_pyx.MultiplePublishersError:
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socks[w] = None
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lag += (next_msg.logMonoTime - msg.logMonoTime) / 1e9
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lag -= time.time() - start_time
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dt = max(lag, 0)
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lag -= dt
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time.sleep(dt)
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if lag < -1.0 and i % 1000 == 0:
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print(f"{-lag:.2f} s behind")
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if input_ready():
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key = sys.stdin.read(1)
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# Handle pause
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if key == " ":
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while True:
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if input_ready() and sys.stdin.read(1) == " ":
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break
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time.sleep(0.01)
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# Handle seek
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dt = defaultdict(int, s=10, S=-10)[key]
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new_time = msgs[i].logMonoTime + dt * 1e9
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i = bisect.bisect_left(times, new_time)
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i = (i + 1) % max_i if loop else min(i + 1, max_i)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("--loop", action='store_true')
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parser.add_argument("segment")
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args = parser.parse_args()
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orig_settings = termios.tcgetattr(sys.stdin)
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tty.setcbreak(sys.stdin)
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try:
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replay(args.segment, args.loop)
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termios.tcsetattr(sys.stdin, termios.TCSADRAIN, orig_settings)
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except Exception:
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termios.tcsetattr(sys.stdin, termios.TCSADRAIN, orig_settings)
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raise
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