mirror of https://github.com/ekimekim/wubloader
stream_in_sync.py: ideas for streaming live two side-by-side syncronized streams
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from datetime import datetime, timedelta
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def pipe_stream(racer, start):
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"""Returns a pipe streaming racer's video, starting from given start timestamp."""
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# TODO this is basically a specialized version of fast_cut_segments with no end point
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# that polls for new segments.
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def sync_stream(racer, start):
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"""Returns a pipe streaming racer's video, starting from the point they started.
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Starts searching from given start timestamp.
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Blocks until start found.
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"""
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# TODO send pipe_stream(racer, start) to ffmpeg until blackdetect found,
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# then return pipe_stream(racer, start + blackdetect)
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def main(racer1, racer2, start=0):
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"""
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start:
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0: now
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< 0: seconds ago
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> 0: unix timestamp
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"""
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if start > 0:
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start = datetime.utcfromtimestamp(start)
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else:
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start = datetime.utcnow() + timedelta(seconds=start)
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stream1, stream2 = gevent.Pool.Group().map(lambda r: sync_stream(r, start), [racer1, racer2])
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# TODO multiplex stream1, stream2 and timer (using drawtext) into one video
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