path: root/libavformat/mxf.h (plain)
blob: f3db1f939bbd7ef96f35c6ee656023d3a447a7ad

1	/*
2	* MXF
3	* Copyright (c) 2006 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
4	*
5	* This file is part of FFmpeg.
6	*
7	* FFmpeg is free software; you can redistribute it and/or
8	* modify it under the terms of the GNU Lesser General Public
9	* License as published by the Free Software Foundation; either
10	* version 2.1 of the License, or (at your option) any later version.
11	*
12	* FFmpeg is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15	* Lesser General Public License for more details.
16	*
17	* You should have received a copy of the GNU Lesser General Public
18	* License along with FFmpeg; if not, write to the Free Software
19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20	*/
21	#ifndef AVFORMAT_MXF_H
22	#define AVFORMAT_MXF_H
23
24	#include "avformat.h"
25	#include "libavcodec/avcodec.h"
26	#include <stdint.h>
27
28	typedef uint8_t UID[16];
29
30	enum MXFMetadataSetType {
31	AnyType,
32	MaterialPackage,
33	SourcePackage,
34	SourceClip,
35	TimecodeComponent,
36	PulldownComponent,
37	Sequence,
38	MultipleDescriptor,
39	Descriptor,
40	Track,
41	CryptoContext,
42	Preface,
43	Identification,
44	ContentStorage,
45	SubDescriptor,
46	IndexTableSegment,
47	EssenceContainerData,
48	TypeBottom,// add metadata type before this
49	EssenceGroup,
50	TaggedValue,
51	};
52
53	enum MXFFrameLayout {
54	FullFrame = 0,
55	SeparateFields,
56	OneField,
57	MixedFields,
58	SegmentedFrame,
59	};
60
61	typedef struct KLVPacket {
62	UID key;
63	int64_t offset;
64	uint64_t length;
65	} KLVPacket;
66
67	typedef struct MXFCodecUL {
68	UID uid;
69	unsigned matching_len;
70	int id;
71	} MXFCodecUL;
72
73	typedef struct {
74	struct AVRational time_base;
75	int samples_per_frame[6];
76	} MXFSamplesPerFrame;
77
78	extern const MXFCodecUL ff_mxf_data_definition_uls[];
79	extern const MXFCodecUL ff_mxf_codec_uls[];
80	extern const MXFCodecUL ff_mxf_pixel_format_uls[];
81	extern const MXFCodecUL ff_mxf_codec_tag_uls[];
82
83	int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt);
84	const MXFSamplesPerFrame *ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base);
85
86	#define PRIxUID \
87	"%02x.%02x.%02x.%02x." \
88	"%02x.%02x.%02x.%02x." \
89	"%02x.%02x.%02x.%02x." \
90	"%02x.%02x.%02x.%02x"
91
92	#define UID_ARG(x) \
93	(x)[0], (x)[1], (x)[2], (x)[3], \
94	(x)[4], (x)[5], (x)[6], (x)[7], \
95	(x)[8], (x)[9], (x)[10], (x)[11], \
96	(x)[12], (x)[13], (x)[14], (x)[15] \
97
98	#ifdef DEBUG
99	#define PRINT_KEY(pc, s, x) \
100	av_log(pc, AV_LOG_VERBOSE, \
101	"%s " \
102	"0x%02x,0x%02x,0x%02x,0x%02x," \
103	"0x%02x,0x%02x,0x%02x,0x%02x," \
104	"0x%02x,0x%02x,0x%02x,0x%02x," \
105	"0x%02x,0x%02x,0x%02x,0x%02x ", \
106	s, UID_ARG(x)); \
107	av_log(pc, AV_LOG_INFO, \
108	"%s " \
109	"%02x.%02x.%02x.%02x." \
110	"%02x.%02x.%02x.%02x." \
111	"%02x.%02x.%02x.%02x." \
112	"%02x.%02x.%02x.%02x\n", \
113	s, UID_ARG(x))
114	#else
115	#define PRINT_KEY(pc, s, x) do { if(0) \
116	av_log(pc, AV_LOG_VERBOSE, \
117	"%s " \
118	"0x%02x,0x%02x,0x%02x,0x%02x," \
119	"0x%02x,0x%02x,0x%02x,0x%02x," \
120	"0x%02x,0x%02x,0x%02x,0x%02x," \
121	"0x%02x,0x%02x,0x%02x,0x%02x ", \
122	s, UID_ARG(x)); \
123	}while(0)
124	#endif
125
126	#endif /* AVFORMAT_MXF_H */
127