[FFmpeg-devel] [PATCH] libavcodec/qsvenc.c: Fix for too agressive height alignment during frame encoding which may be reason of superflous frame copying.

Ivan Uskov ivan.uskov at nablet.com
Thu Jul 9 17:34:25 CEST 2015

Hello Michael,

Please review the attached updated patch about height alignment.

The qsvenc_hevc.c compiles now thanks.
But same command line that I use for h264_qsv does fail for hevc_qsv
with error "[hevc_qsv @ 0x25a7620] Unexpected NAL type in the extradata: 52"
Here can be lot reasons including too old MXF library (I'm use 2015R4
but latest 2015R6).
It is just info, I will review qsvenc_hevc.c later when all known minor defects of qsvenc.c will fixed.

Thursday, July 9, 2015, 5:47:22 PM, you wrote:

MN> This change was merged by me and originates from libav. I tried to
MN> merge things so they work, apparently i failed for ‘ff_hevc_extract_rbsp’
MN> ill try to fix that but i dont have a libmfx setup here ATM so

MN> If you can check and if needed correct it, that would help alot!

MN> Thanks

MN> [...]

Best regards,
 Ivan                            mailto:ivan.uskov at nablet.com
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