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state['current_cue_out_scte35'] and state['current_cue_out_duration'] remain after #EXT-X-CUE-IN #248

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futzu opened this issue Apr 19, 2021 · 1 comment

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@futzu
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futzu commented Apr 19, 2021

simple-scte35.m3u8

#EXTM3U
#EXT-X-TARGETDURATION:10
#EXT-X-VERSION:3
#EXT-X-MEDIA-SEQUENCE:0
#EXT-OATCLS-SCTE35:/DAlAAAAAAAAAP/wFAUAAAABf+/+ANgNkv4AFJlwAAEBAQAA5xULLA==
#EXT-X-CUE-OUT:15.000
#EXTINF:8.844,
media0.ts
#EXT-X-CUE-OUT-CONT:ElapsedTime=8.844,Duration=15,SCTE35=/DAlAAAAAAAAAP/wFAUAAAABf+/+ANgNkv4AFJlwAAEBAQAA5xULLA==
#EXTINF:6.156,
media1.ts
#EXT-X-CUE-IN
#EXTINF:2.00,
media2.ts
#EXTINF:2.000,
media3.ts
  • Example
import m3u8
pl = m3u8.load('simple-scte35.m3u8')
for seg in pl.segments:
    print(vars(seg))

{'uri': 'media0.ts', 'duration': 8.844, 'title': '', '_base_uri': '', 'byterange': None, 'program_date_time': None, 'current_program_date_time': None, 'discontinuity': False, 'cue_out_start': True, 'cue_out': True, 'cue_in': False, 'scte35': '/DAlAAAAAAAAAP/wFAUAAAABf+/+ANgNkv4AFJlwAAEBAQAA5xULLA==', 'scte35_duration': '15.000', 'key': None, 'parts': [], 'init_section': None, 'dateranges': [], 'gap_tag': None}
{'uri': 'media1.ts', 'duration': 6.156, 'title': '', '_base_uri': '', 'byterange': None, 'program_date_time': None, 'current_program_date_time': None, 'discontinuity': False, 'cue_out_start': False, 'cue_out': True, 'cue_in': False, 'scte35': '/DAlAAAAAAAAAP/wFAUAAAABf+/+ANgNkv4AFJlwAAEBAQAA5xULLA==', 'scte35_duration': '15', 'key': None, 'parts': [], 'init_section': None, 'dateranges': [], 'gap_tag': None}
{'uri': 'media2.ts', 'duration': 2.0, 'title': '', '_base_uri': '', 'byterange': None, 'program_date_time': None, 'current_program_date_time': None, 'discontinuity': False, 'cue_out_start': False, 'cue_out': False, 'cue_in': True, 'scte35': '/DAlAAAAAAAAAP/wFAUAAAABf+/+ANgNkv4AFJlwAAEBAQAA5xULLA==', 'scte35_duration': '15', 'key': None, 'parts': [], 'init_section': None, 'dateranges': [], 'gap_tag': None}
{'uri': 'media3.ts', 'duration': 2.0, 'title': '', '_base_uri': '', 'byterange': None, 'program_date_time': None, 'current_program_date_time': None, 'discontinuity': False, 'cue_out_start': False, 'cue_out': False, 'cue_in': False, 'scte35': '/DAlAAAAAAAAAP/wFAUAAAABf+/+ANgNkv4AFJlwAAEBAQAA5xULLA==', 'scte35_duration': '15', 'key': None, 'parts': [], 'init_section': None, 'dateranges': [], 'gap_tag': None}
  • #EXT-X-CUE-IN is at third segment
  • scte35 and duration should not appear in the fourth segment
cat parser_patch.txt 
259a260,263
>     if segment['cue_in']:
>         #on cue_in, pop current_cue_out_duration & current_cue_out_scte35
>         state.pop('current_cue_out_duration')
>         state.pop('current_cue_out_scte35')



patch m3u8/parser.py parser_patch.txt

parser_patch.txt

import m3u8
pl = m3u8.load('simple-scte35.m3u8')
for seg in pl.segments:
    print(vars(seg))

{'uri': 'media0.ts', 'duration': 8.844, 'title': '', '_base_uri': '', 'byterange': None, 'program_date_time': None, 'current_program_date_time': None, 'discontinuity': False, 'cue_out_start': True, 'cue_out': True, 'cue_in': False, 'scte35': '/DAlAAAAAAAAAP/wFAUAAAABf+/+ANgNkv4AFJlwAAEBAQAA5xULLA==', 'scte35_duration': '15.000', 'key': None, 'parts': [], 'init_section': None, 'dateranges': [], 'gap_tag': None}
{'uri': 'media1.ts', 'duration': 6.156, 'title': '', '_base_uri': '', 'byterange': None, 'program_date_time': None, 'current_program_date_time': None, 'discontinuity': False, 'cue_out_start': False, 'cue_out': True, 'cue_in': False, 'scte35': '/DAlAAAAAAAAAP/wFAUAAAABf+/+ANgNkv4AFJlwAAEBAQAA5xULLA==', 'scte35_duration': '15', 'key': None, 'parts': [], 'init_section': None, 'dateranges': [], 'gap_tag': None}
{'uri': 'media2.ts', 'duration': 2.0, 'title': '', '_base_uri': '', 'byterange': None, 'program_date_time': None, 'current_program_date_time': None, 'discontinuity': False, 'cue_out_start': False, 'cue_out': False, 'cue_in': True, 'scte35': '/DAlAAAAAAAAAP/wFAUAAAABf+/+ANgNkv4AFJlwAAEBAQAA5xULLA==', 'scte35_duration': '15', 'key': None, 'parts': [], 'init_section': None, 'dateranges': [], 'gap_tag': None}
{'uri': 'media3.ts', 'duration': 2.0, 'title': '', '_base_uri': '', 'byterange': None, 'program_date_time': None, 'current_program_date_time': None, 'discontinuity': False, 'cue_out_start': False, 'cue_out': False, 'cue_in': False, 'scte35': None, 'scte35_duration': None, 'key': None, 'parts': [], 'init_section': None, 'dateranges': [], 'gap_tag': None}


@futzu
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futzu commented Nov 16, 2021

Six months. No reply.

That is super uncool.

@futzu futzu closed this as completed Nov 16, 2021
davemevans added a commit to davemevans/m3u8 that referenced this issue Dec 9, 2021
mauricioabreu pushed a commit to mauricioabreu/m3u8 that referenced this issue Jan 10, 2022
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