uvjustinandJason Hunter
5355fcaba8
* Add H.265 support to stream component * Change find_box to generator * Move fmp4 utilities to fmp4utils.py * Add minimum segments and segment durations * Remove MIN_SEGMENTS * Fix when container_options is None * Fix missing num_segments and update tests * Remove unnecessary mock attribute * Fix Segment construction in test_recorder_save * fix recorder with lookback Co-authored-by: Jason Hunter <hunterjm@gmail.com>
105 lines
2.8 KiB
Python
105 lines
2.8 KiB
Python
"""Provide functionality to record stream."""
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import threading
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from typing import List
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import av
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from homeassistant.core import callback
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from .core import PROVIDERS, Segment, StreamOutput
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@callback
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def async_setup_recorder(hass):
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"""Only here so Provider Registry works."""
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def recorder_save_worker(file_out: str, segments: List[Segment]):
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"""Handle saving stream."""
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first_pts = segments[0].start_pts[0]
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output = av.open(file_out, "w")
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output_v = None
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for segment in segments:
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# Seek to beginning and open segment
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segment.segment.seek(0)
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source = av.open(segment.segment, "r", format="mp4")
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source_v = source.streams.video[0]
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# Add output streams
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if not output_v:
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output_v = output.add_stream(template=source_v)
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context = output_v.codec_context
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context.flags |= "GLOBAL_HEADER"
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# Remux video
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for packet in source.demux(source_v):
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if packet is not None and packet.dts is not None:
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if packet.pts < segment.start_pts[0]:
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packet.pts += segment.start_pts[0]
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packet.dts += segment.start_pts[0]
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packet.pts -= first_pts
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packet.dts -= first_pts
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packet.stream = output_v
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output.mux(packet)
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source.close()
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output.close()
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@PROVIDERS.register("recorder")
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class RecorderOutput(StreamOutput):
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"""Represents HLS Output formats."""
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def __init__(self, stream, timeout: int = 30) -> None:
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"""Initialize recorder output."""
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super().__init__(stream, timeout)
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self.video_path = None
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self._segments = []
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@property
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def name(self) -> str:
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"""Return provider name."""
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return "recorder"
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@property
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def format(self) -> str:
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"""Return container format."""
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return "mp4"
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@property
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def audio_codec(self) -> str:
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"""Return desired audio codec."""
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return "aac"
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@property
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def video_codecs(self) -> tuple:
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"""Return desired video codecs."""
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return {"hevc", "h264"}
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def prepend(self, segments: List[Segment]) -> None:
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"""Prepend segments to existing list."""
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own_segments = self.segments
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segments = [s for s in segments if s.sequence not in own_segments]
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self._segments = segments + self._segments
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@callback
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def _timeout(self, _now=None):
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"""Handle recorder timeout."""
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self._unsub = None
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self.cleanup()
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def cleanup(self):
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"""Write recording and clean up."""
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thread = threading.Thread(
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name="recorder_save_worker",
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target=recorder_save_worker,
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args=(self.video_path, self._segments),
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)
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thread.start()
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self._segments = []
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self._stream.remove_provider(self)
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