[FFmpeg-trac] #6870(ffmpeg:new): Add regular P frames to hevc_qsv encoding option

[FFmpeg]

#6870: Add regular P frames to hevc_qsv encoding option
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             Reporter:  thx4ever  |                     Type:  enhancement
               Status:  new       |                 Priority:  important
            Component:  ffmpeg    |                  Version:  git-master
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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 I'm currently using latest git version and when encoding with
 IMSS2017 with sample_encode i can add a parameter like -gpb:off
 so encoder use regular P frames instead of GPB encoding.

 -gpb:<on,off> GPB control. Turn this option OFF to make HEVC encoder use
 regular P-frames instead of GPB.

 And the syntax example from sample_encode are:

 else if (0 == msdk_strcmp(strInput[i], MSDK_STRING("-gpb:on")))
         {
             pParams->nGPB = MFX_CODINGOPTION_ON;
         }
         else if (0 == msdk_strcmp(strInput[i], MSDK_STRING("-gpb:off")))
         {
             pParams->nGPB = MFX_CODINGOPTION_OFF;
         }

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Ticket URL: <https://trac.ffmpeg.org/ticket/6870>
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