#1642: -f segment: automagically generate #EXTM3U tags to -segment_list
generated
playlists
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Reporter: kelexel | Owner:
Type: enhancement | Status: reopened
Priority: normal | Component: avformat
Version: git-master | Resolution:
Keywords: segment, | Blocked By:
HLS, m3u8 | Reproduced by developer: 1
Blocking: |
Analyzed by developer: 1 |
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Comment (by saste):
Replying to [comment:22 kelexel]:
> Confirmed.
>
> If you add #EXT-X-ALLOW-CACHE:0 in the top of the playlist, it (as long
as mpegts files) are not cached by the client.
>
> So if broadcaster drops, and ffmpeg transcoding stops, and broadcaster
comes back, and ffmpeg transcoding is restarted, hitting refresh on the
clients will fetch a fresh playlist instead of the locally cached one.
>
> May I suggest a -segment_no_cache setting that would append #EXT-X
-ALLOW-CACHE:0 to the top of the playlist ?
Not sure about this. I could automatically set #EXT-X-ALLOW-CACHE to 0 if
live=1, or adopt a new flag to add to live, so that it would be
-segment_list_flags +live-cache (in this case it would be better to set
flags rather than separate _live, _cache options etc to have a shorter
command line and ease extensibility).
Also, now that I think at it, I wonder if live/cache should be rather
considered *segment* flags rather than *segment list* flags (but I tend to
prefer the latter).
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1642#comment:23>
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