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lavu: add Vulkan hwcontext code

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This commit adds the necessary code to initialize and use a Vulkan device
within the hwcontext libavutil framework.
Currently direct mapping to VAAPI and DRM frames is functional, and
transfers to CUDA and native frames are supported.

Lets hope the future Vulkan video decode extension fits well within this
framework.
This commit is contained in:
Lynne 2019-08-28 21:58:10 +01:00
parent d7210ce7f5
commit a88449ffb2
11 changed files with 3145 additions and 1 deletions
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libavutil/hwcontext_internal.h
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@ -172,5 +172,6 @@ extern const HWContextType ff_hwcontext_type_vaapi;
extern const HWContextType ff_hwcontext_type_vdpau;
extern const HWContextType ff_hwcontext_type_videotoolbox;
extern const HWContextType ff_hwcontext_type_mediacodec;
extern const HWContextType ff_hwcontext_type_vulkan;
#endif /* AVUTIL_HWCONTEXT_INTERNAL_H */