[FFmpeg-trac] #7663(avcodec:open): ffmpeg-qsv: it will overflow when set maxrate more than 65535 Kbps

FFmpeg trac at avcodec.org
Thu Jan 10 23:29:40 EET 2019


#7663: ffmpeg-qsv: it will overflow when set maxrate more than 65535 Kbps
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             Reporter:  wangzj0601   |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  minor        |                Component:  avcodec
              Version:  unspecified  |               Resolution:
             Keywords:  qsv          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-----------------------------------

Comment (by uartie):

 MSDK provides `mfxInfoMFX::BRCParamMultiplier` for this reason.  So it
 should be used to enable higher bitrates.  We have the same issue in gst-
 msdk plugin, too, where a fix has already been proposed.  FFmpeg-qsv will
 need similar fix.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7663#comment:3>
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