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imgutils: add a function for copying image data from GPU mapped memory

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See https://software.intel.com/en-us/articles/copying-accelerated-video-decode-frame-buffers
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Anton Khirnov
2016-08-23 21:46:50 +02:00
parent 24da430324
commit d7bc52bf45
8 changed files with 219 additions and 14 deletions
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doc/APIchanges
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@@ -13,6 +13,10 @@ libavutil: 2015-08-28
API changes, most recent first:
2016-08-24 - xxxxxxx - lavu 55.21.0 - imgutils.h
Add av_image_copy_uc_from(), a version of av_image_copy() for copying
from GPU mapped memory.
2016-xx-xx - xxxxxxx - lavc 59.26.0 - vaapi.h
Deprecate struct vaapi_context and the vaapi.h installed header.
Callers should set AVCodecContext.hw_frames_ctx instead.