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Add API and WebUI to export recordings (#6550)
* Add ability to export frigate clips * Add http endpoint * Add dir to nginx * Add webUI * Formatting * Cleanup unused * Optimize timelapse * Fix pts * Use JSON body for params * Use hwaccel to encode when available * Print ffmpeg command when fail * Print ffmpeg command when fail * Add separate ffmpeg preset for timelapse * Add docs outlining the export directory * Add export docs * Use '' * Fix playlist max time * Lower max playlist time * Add api docs for export * isort fixes
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Original file line number | Diff line number | Diff line change |
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"""Export recordings to storage.""" | ||
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import datetime | ||
import logging | ||
import os | ||
import subprocess as sp | ||
import threading | ||
from enum import Enum | ||
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from frigate.config import FrigateConfig | ||
from frigate.const import EXPORT_DIR, MAX_PLAYLIST_SECONDS | ||
from frigate.ffmpeg_presets import ( | ||
EncodeTypeEnum, | ||
parse_preset_hardware_acceleration_encode, | ||
) | ||
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logger = logging.getLogger(__name__) | ||
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class PlaybackFactorEnum(str, Enum): | ||
realtime = "realtime" | ||
timelapse_25x = "timelapse_25x" | ||
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class RecordingExporter(threading.Thread): | ||
"""Exports a specific set of recordings for a camera to storage as a single file.""" | ||
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def __init__( | ||
self, | ||
config: FrigateConfig, | ||
camera: str, | ||
start_time: int, | ||
end_time: int, | ||
playback_factor: PlaybackFactorEnum, | ||
) -> None: | ||
threading.Thread.__init__(self) | ||
self.config = config | ||
self.camera = camera | ||
self.start_time = start_time | ||
self.end_time = end_time | ||
self.playback_factor = playback_factor | ||
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def get_datetime_from_timestamp(self, timestamp: int) -> str: | ||
"""Convenience fun to get a simple date time from timestamp.""" | ||
return datetime.datetime.fromtimestamp(timestamp).strftime("%Y_%m_%d_%I:%M") | ||
|
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def run(self) -> None: | ||
logger.debug( | ||
f"Beginning export for {self.camera} from {self.start_time} to {self.end_time}" | ||
) | ||
file_name = f"{EXPORT_DIR}/in_progress.{self.camera}@{self.get_datetime_from_timestamp(self.start_time)}__{self.get_datetime_from_timestamp(self.end_time)}.mp4" | ||
final_file_name = f"{EXPORT_DIR}/{self.camera}_{self.get_datetime_from_timestamp(self.start_time)}__{self.get_datetime_from_timestamp(self.end_time)}.mp4" | ||
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if (self.end_time - self.start_time) <= MAX_PLAYLIST_SECONDS: | ||
playlist_lines = f"https://127.0.0.1:5000/vod/{self.camera}/start/{self.start_time}/end/{self.end_time}/index.m3u8" | ||
ffmpeg_input = ( | ||
f"-y -protocol_whitelist pipe,file,http,tcp -i {playlist_lines}" | ||
) | ||
else: | ||
playlist_lines = [] | ||
playlist_start = self.start_time | ||
|
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while playlist_start < self.end_time: | ||
playlist_lines.append( | ||
f"file 'https://127.0.0.1:5000/vod/{self.camera}/start/{playlist_start}/end/{min(playlist_start + MAX_PLAYLIST_SECONDS, self.end_time)}/index.m3u8'" | ||
) | ||
playlist_start += MAX_PLAYLIST_SECONDS | ||
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ffmpeg_input = "-y -protocol_whitelist pipe,file,http,tcp -f concat -safe 0 -i /dev/stdin" | ||
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if self.playback_factor == PlaybackFactorEnum.realtime: | ||
ffmpeg_cmd = ( | ||
f"ffmpeg -hide_banner {ffmpeg_input} -c copy {file_name}" | ||
).split(" ") | ||
elif self.playback_factor == PlaybackFactorEnum.timelapse_25x: | ||
ffmpeg_cmd = ( | ||
parse_preset_hardware_acceleration_encode( | ||
self.config.ffmpeg.hwaccel_args, | ||
ffmpeg_input, | ||
f"-vf setpts=0.04*PTS -r 30 -an {file_name}", | ||
EncodeTypeEnum.timelapse, | ||
) | ||
).split(" ") | ||
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p = sp.run( | ||
ffmpeg_cmd, | ||
input="\n".join(playlist_lines), | ||
encoding="ascii", | ||
capture_output=True, | ||
) | ||
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if p.returncode != 0: | ||
logger.error( | ||
f"Failed to export recording for command {' '.join(ffmpeg_cmd)}" | ||
) | ||
logger.error(p.stderr) | ||
return | ||
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logger.debug(f"Updating finalized export {file_name}") | ||
os.rename(file_name, final_file_name) | ||
logger.debug(f"Finished exporting {file_name}") |
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