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Work around transcode failures in newer ffmpeg

Description

Work around transcode failures in newer ffmpeg

Sometimes ffmpeg 3.4 and 4.0 fail on transcodes with errors like
"1 frames left in the queue on closing"

Per https://trac.ffmpeg.org/ticket/6375 the workaround is to add
the param -max_muxing_queue_size with some suitably large number
which usually fixes most of them, allegedly.

Change-Id: I52e8d016f46ca489d4e388ec207355cb651e4d4b

Details

Provenance
brionAuthored on Jul 29 2018, 5:22 PM
Parents
rETMH057fd44d55b1: More conservative max bitrate for VP9 video transcodes
Branches
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ChangeId
I52e8d016f46ca489d4e388ec207355cb651e4d4b