#234: Add an operator to insert track durations in metadata
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Reporter: smimram | Owner: admin
Type: Bugs | Status: new
Priority: 1 | Milestone:
Component: Liquidsoap | Version:
Resolution: | Keywords:
Mac: 1 | Linux: 1
Netbsd: 1 | Other: 1
Freebsd: 1 |
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Comment (by mrpingouin):
It's called file.duration(). Note that it may use different techniques
based on the format, and your setup.
I see that we use {{{Mad.duration}}} for MP3: it fully decodes the file,
so it's exact but long.
And {{{Vorbis.File.Decoder.duration}}} for Ogg/Vorbis: it's based on
{{{ov_time_total}}}, which I don't know :)
I did some tests, here's the recipe: {{{liquidsoap -r FILE}}}. With an
MP3, you can see that it takes some time at the end to compute the
duration. With an OGG file, it's quite fast, but..
I leave the ticket open since it returned erroneous result (too short, or
infinity) for two files that I tested. Note that ogginfo got it right,
without reporting any oddity.
--
Ticket URL: <http://savonet.rastageeks.org/ticket/234#comment:1>
Savonet <http://savonet.rastageeks.org/>
Let's program our stream !
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