avformat/mxfenc: use track count to generate component instance uuid
[ffmpeg.git] / libavformat / mxf.h
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     EssenceGroup,
49     TaggedValue,
50 };
51
52 enum MXFFrameLayout {
53     FullFrame = 0,
54     SeparateFields,
55     OneField,
56     MixedFields,
57     SegmentedFrame,
58 };
59
60 typedef struct KLVPacket {
61     UID key;
62     int64_t offset;
63     uint64_t length;
64 } KLVPacket;
65
66 typedef struct MXFCodecUL {
67     UID uid;
68     unsigned matching_len;
69     int id;
70 } MXFCodecUL;
71
72 typedef struct {
73     struct AVRational time_base;
74     int samples_per_frame[6];
75 } MXFSamplesPerFrame;
76
77 extern const MXFCodecUL ff_mxf_data_definition_uls[];
78 extern const MXFCodecUL ff_mxf_codec_uls[];
79 extern const MXFCodecUL ff_mxf_pixel_format_uls[];
80 extern const MXFCodecUL ff_mxf_codec_tag_uls[];
81
82 int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt);
83 const MXFSamplesPerFrame *ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base);
84
85 #define PRIxUID                             \
86     "%02x.%02x.%02x.%02x."                  \
87     "%02x.%02x.%02x.%02x."                  \
88     "%02x.%02x.%02x.%02x."                  \
89     "%02x.%02x.%02x.%02x"
90
91 #define UID_ARG(x) \
92     (x)[0],  (x)[1],  (x)[2],  (x)[3],      \
93     (x)[4],  (x)[5],  (x)[6],  (x)[7],      \
94     (x)[8],  (x)[9],  (x)[10], (x)[11],     \
95     (x)[12], (x)[13], (x)[14], (x)[15]      \
96
97 #ifdef DEBUG
98 #define PRINT_KEY(pc, s, x)                         \
99     av_log(pc, AV_LOG_VERBOSE,                      \
100            "%s "                                    \
101            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
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             s, UID_ARG(x));                         \
106     av_log(pc, AV_LOG_INFO,                         \
107            "%s "                                    \
108            "%02x.%02x.%02x.%02x."                   \
109            "%02x.%02x.%02x.%02x."                   \
110            "%02x.%02x.%02x.%02x."                   \
111            "%02x.%02x.%02x.%02x\n",                 \
112             s, UID_ARG(x))
113 #else
114 #define PRINT_KEY(pc, s, x) do { if(0)              \
115     av_log(pc, AV_LOG_VERBOSE,                      \
116            "%s "                                    \
117            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
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             s, UID_ARG(x));                         \
122     }while(0)
123 #endif
124
125 #endif /* AVFORMAT_MXF_H */