hwcontext_qsv: Support derivation from child devices

Multimedia / FFmpeg - Mark Thompson [jkqxz.net] - 14 June 2017 17:27 EDT

(cherry picked from commit aa51bb3d2756ed912ee40645efccf5f4a9609696)

045ff8d hwcontext_qsv: Support derivation from child devices
libavutil/hwcontext_qsv.c | 113 ++++++++++++++++++++++++++++++++++------------
1 file changed, 84 insertions(+), 29 deletions(-)

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