hwcontext: Add device derivation
authorMark Thompson <sw@jkqxz.net>
Sat, 4 Mar 2017 23:57:28 +0000 (23:57 +0000)
committerMark Thompson <sw@jkqxz.net>
Wed, 14 Jun 2017 21:25:57 +0000 (22:25 +0100)
commitb22172f6f3530b8bd9d1d2c38a31b1e9c3729e42
tree481a74e995b2bd82dba7eebee805eac5e2708598
parent92bd08974541611731b2d58723826ea26ecbe47d
hwcontext: Add device derivation

Creates a new device context from another of a different type which
refers to the same underlying hardware.

(cherry picked from commit b266ad56fe0e4ce5bb70118ba2e2b1dabfaf76ce)
doc/APIchanges
libavutil/hwcontext.c
libavutil/hwcontext.h
libavutil/hwcontext_internal.h
libavutil/version.h