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 b7487f4f3c39b4b202e1ea7bb2de13902f2dee45)

Mark Thompson committed 9 years ago

Commit 0b1794a1 parent b22172f4 files · +76 −2Browse files

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@@ -15,6 +15,10 @@ libavutil: 2015-08-28 · 14 unmodified lines
15	15
16	16	API changes, most recent first:
17	17
	18	+2017-06-14 - xxxxxxx - lavu 55.65.100 - hwcontext.h
	19	+ Add AV_HWDEVICE_TYPE_NONE, av_hwdevice_find_type_by_name(),
	20	+ av_hwdevice_get_type_name() and av_hwdevice_iterate_types().
	21	+
18	22	2017-06-14 - xxxxxxx - lavu 55.64.100 - hwcontext.h
19	23	Add av_hwdevice_ctx_create_derived().
20	24

hwcontext: Make it easier to work with device types

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