[FFmpeg-trac] #11677(avformat:closed): ffplay does not properly sync LRC subtitles with 3-digit milliseconds

[FFmpeg]

#11677: ffplay does not properly sync LRC subtitles with 3-digit milliseconds
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             Reporter:  gbr          |                    Owner:  Kacper
                                     |  Michajłow <kasper93@…>
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:  avformat
              Version:  unspecified  |               Resolution:  fixed
             Keywords:  lrc          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Changes (by Kacper Michajłow <kasper93@…>):

 * owner:  (none) => Kacper Michajłow <kasper93@…>
 * resolution:   => fixed

Comment:

 In [changeset:"bc3cc0a6af44adc63caf4e5097fcfebd7a7475b4/ffmpeg"
 bc3cc0a6/ffmpeg]:
 {{{#!CommitTicketReference repository="ffmpeg"
 revision="bc3cc0a6af44adc63caf4e5097fcfebd7a7475b4"
 avformat/lrcdec: support arbitrary precision timestamp

 Apparently files with milliseconds exist in the wild. And since it cost
 nothing to support arbitrary number of digits, extend format to support
 that.

 Depending on number of digits, the time base of fractional part is
 changing. Most LRCs use 2 digits and centiseconds base, but subs with 3
 digits and miliseconds exist too.

 Set internal time base to AV_TIME_BASE, which in parcitice allows to
 hold microseconds with 6 digits. Totally artificial, but who knows maybe
 someone wants that.

 Fixes: #11677

 Signed-off-by: Kacper Michajłow <kasper93 at gmail.com>
 }}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/11677#comment:11>
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