Mark Thompson 0b1794a43e hwcontext: Make it easier to work with device types ...

Adds functions to convert to/from strings and a function to iterate
over all supported device types.  Also adds a new invalid type
AV_HWDEVICE_TYPE_NONE, which acts as a sentinel value.

(cherry picked from commit b7487f4f3c)

2017-06-14 22:26:29 +01:00

108 KiB

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