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[downloader/hls] Handle MPEG-2 PES timestamp overflow
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@ -351,7 +351,16 @@ def pack_fragment(frag_content, frag_index):
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# add the cue to the window
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dedup_window.append(cue)
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elif isinstance(block, webvtt.Magic):
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# XXX: we do not handle MPEGTS overflow
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# take care of MPEG PES timestamp overflow
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if block.mpegts is None:
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block.mpegts = 0
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extra_state.setdefault('webvtt_mpegts_adjust', 0)
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block.mpegts += extra_state['webvtt_mpegts_adjust'] << 33
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if block.mpegts < extra_state.get('webvtt_mpegts_last', 0):
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extra_state['webvtt_mpegts_adjust'] += 1
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block.mpegts += 1 << 33
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extra_state['webvtt_mpegts_last'] = block.mpegts
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if frag_index == 1:
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extra_state['webvtt_mpegts'] = block.mpegts or 0
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extra_state['webvtt_local'] = block.local or 0
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