[FFmpeg-trac] #4690(undetermined:new): Windows - Transcoding raw video to mjpeg+matroska: CPU usage increases over time
FFmpeg
trac at avcodec.org
Tue Jun 30 13:12:38 CEST 2015
#4690: Windows - Transcoding raw video to mjpeg+matroska: CPU usage increases over
time
-------------------------------------+-------------------------------------
Reporter: | Type: defect
MariusSchipper | Priority: normal
Status: new | Version:
Component: | unspecified
undetermined | Blocked By:
Keywords: mjpeg | Reproduced by developer: 0
matroska CPU |
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
When transcoding from raw video to mjpeg encapsulated in matroska on
Windows 7 64bit OS, then CPU usage increases over time. After 12 hours,
approx. 2-4 times more CPU time is necessary to get the same amount of
work done.
How to reproduce:
{{{
ffmpeg -f lavfi -i testsrc=size=720x576:rate=50 -pix_fmt yuv420p -vcodec
mjpeg -s 360x288 -qscale:v 5 -f matroska - | ffplay -i -
ffmpeg version: Static from 30-06-2015 via Zeranoe.com
}}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/4690>
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