constants.go RawHistoryFolder

1package spa
2
3// Media type constants for SPA media types.
4const (
5	MediaTypeUnknown     = 0
6	MediaTypeAudio       = 1
7	MediaTypeVideo       = 2
8	MediaTypeImage       = 3
9	MediaTypeBinary      = 4
10	MediaTypeStream      = 5
11	MediaTypeApplication = 6
12)
13
14// Direction constants for port directions.
15const (
16	DirectionInput  = 0
17	DirectionOutput = 1
18)
19
20// SPA pod types (spa/utils/type.h).
21const (
22	TypeId        = 3
23	TypeInt       = 4
24	TypeRectangle = 10
25	TypeFraction  = 11
26	TypeObject    = 15
27	TypeChoice    = 19
28
29	TypeObjectFormat       = 0x40003 // SPA_TYPE_OBJECT_Format
30	TypeObjectParamBuffers = 0x40004 // SPA_TYPE_OBJECT_ParamBuffers
31	TypeObjectParamMeta    = 0x40005 // SPA_TYPE_OBJECT_ParamMeta
32)
33
34// SPA choice types (spa/utils/defs.h).
35const (
36	ChoiceNone  = 0
37	ChoiceRange = 1
38	ChoiceEnum  = 3
39	ChoiceFlags = 4
40)
41
42// SPA param ids (spa/param/param.h).
43const (
44	ParamEnumFormat = 3
45	ParamFormat     = 4
46	ParamBuffers    = 5
47	ParamMeta       = 6
48)
49
50// SPA format property keys (spa/param/format.h).
51const (
52	FormatKeyMediaType      = 1
53	FormatKeyMediaSubtype   = 2
54	FormatKeyVideoFormat    = 0x20001
55	FormatKeyVideoModifier  = 0x20002
56	FormatKeyVideoSize      = 0x20003
57	FormatKeyVideoFramerate = 0x20004
58	FormatKeyVideoMaxRate   = 0x20005
59)
60
61// SPA media subtypes (spa/param/format.h).
62const MediaSubtypeRaw = 1
63
64// SPA buffers param keys (spa/param/buffers.h).
65const (
66	BuffersKeyBuffers  = 1
67	BuffersKeyBlocks   = 2
68	BuffersKeySize     = 3
69	BuffersKeyStride   = 4
70	BuffersKeyAlign    = 5
71	BuffersKeyDataType = 6
72)
73
74// SPA meta param keys (spa/param/buffers.h) and meta types (spa/buffer/meta.h).
75const (
76	MetaKeyType = 1
77	MetaKeySize = 2
78
79	MetaTypeHeader = 1  // SPA_META_Header
80	MetaHeaderSize = 32 // sizeof(struct spa_meta_header)
81)
82
83// SPA data types (spa/buffer/buffer.h) and flags.
84const (
85	DataMemFd  = 2
86	DataDmaBuf = 3
87
88	DataFlagReadWrite = 3 // SPA_DATA_FLAG_READWRITE
89
90	ChunkFlagCorrupted      = 1          // SPA_CHUNK_FLAG_CORRUPTED
91	MetaHeaderFlagCorrupted = 2          // SPA_META_HEADER_FLAG_CORRUPTED
92	IDInvalid               = 0xffffffff // SPA_ID_INVALID
93)
94
95// SPA raw video formats (spa/param/video/raw.h).
96type VideoFormat uint32
97
98const (
99	VideoFormatBGRx VideoFormat = 8
100	VideoFormatBGRA VideoFormat = 12
101)