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clean up

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This commit is contained in:
Josh Hawkins 2026-05-03 12:17:25 -05:00
parent 14da821956
commit 513cc18715
1 changed files with 10 additions and 10 deletions
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20
frigate/util/ffmpeg.py
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@ -53,10 +53,10 @@ logger = logging.getLogger(__name__)
def inject_progress_flags(cmd: list[str]) -> list[str]:
"""Insert ``-progress pipe:2 -nostats`` immediately before the output path.
"""Insert `-progress pipe:2 -nostats` immediately before the output path.
``-progress pipe:2`` writes structured key=value lines to stderr;
``-nostats`` suppresses the noisy default stats output. The output path
`-progress pipe:2` writes structured key=value lines to stderr;
`-nostats` suppresses the noisy default stats output. The output path
is conventionally the last token in an FFmpeg argv.
"""
if not cmd:
@ -73,24 +73,24 @@ def run_ffmpeg_with_progress(
process_started: Optional[Callable[[sp.Popen], None]] = None,
use_low_priority: bool = True,
) -> tuple[int, str]:
"""Run an ffmpeg command, streaming progress via ``-progress pipe:2``.
"""Run an ffmpeg command, streaming progress via `-progress pipe:2`.
Args:
cmd: ffmpeg argv. Output path must be the last token.
expected_duration_seconds: Duration of the expected output clip in
seconds. Used to convert ffmpeg's ``out_time_us`` into a percent.
seconds. Used to convert ffmpeg's `out_time_us` into a percent.
on_progress: Optional callback invoked with a percent in [0, 100].
Called once with 0.0 at start, again on each ``out_time_us=``
stderr line, and once with 100.0 on ``progress=end``.
Called once with 0.0 at start, again on each `out_time_us=`
stderr line, and once with 100.0 on `progress=end`.
stdin_payload: Optional string written to ffmpeg stdin (used by
export for concat playlists).
process_started: Optional callback invoked with the live ``Popen``
process_started: Optional callback invoked with the live `Popen`
once spawned — lets callers store the ref for cancellation.
use_low_priority: When True, prepend ``nice -n PROCESS_PRIORITY_LOW``
use_low_priority: When True, prepend `nice -n PROCESS_PRIORITY_LOW`
so concat doesn't starve detection.
Returns:
Tuple of ``(returncode, captured_stderr)``. Stdout is left attached
Tuple of `(returncode, captured_stderr)`. Stdout is left attached
to the parent process to avoid buffer-full deadlocks.
"""
full_cmd = inject_progress_flags(cmd)