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hwcontext: Improve allocation in derived contexts

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Use the flags argument of av_hwframe_ctx_create_derived() to pass the
mapping flags which will be used on allocation.  Also, set the format
and hardware context on the allocated frame automatically - the user
should not be required to do this themselves.
This commit is contained in:
Mark Thompson
2017-03-04 23:57:40 +00:00
parent e1c5d56b18
commit c5714b51aa
5 changed files with 26 additions and 3 deletions
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doc/APIchanges
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@ -13,6 +13,10 @@ libavutil: 2017-03-23
API changes, most recent first:
2017-04-30 - xxxxxxx - lavu 56.1.1 - hwcontext.h
av_hwframe_ctx_create_derived() now takes some AV_HWFRAME_MAP_* combination
as its flags argument (which was previously unused).
2017-04-xx - xxxxxxx - lavu 56.1.0 - spherical.h
Add av_spherical_projection_name() and av_spherical_from_name().