avformat/mxfdec: store next_klv in KLVPacket
[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     TapeDescriptor,
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     int64_t next_klv;
66 } KLVPacket;
67
68 typedef struct MXFCodecUL {
69     UID uid;
70     unsigned matching_len;
71     int id;
72     const char *desc;
73 } MXFCodecUL;
74
75 typedef struct {
76     struct AVRational time_base;
77     int samples_per_frame[6];
78 } MXFSamplesPerFrame;
79
80 extern const MXFCodecUL ff_mxf_data_definition_uls[];
81 extern const MXFCodecUL ff_mxf_codec_uls[];
82 extern const MXFCodecUL ff_mxf_pixel_format_uls[];
83 extern const MXFCodecUL ff_mxf_codec_tag_uls[];
84
85 int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt);
86 const MXFSamplesPerFrame *ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base);
87
88 #define PRIxUID                             \
89     "%02x.%02x.%02x.%02x."                  \
90     "%02x.%02x.%02x.%02x."                  \
91     "%02x.%02x.%02x.%02x."                  \
92     "%02x.%02x.%02x.%02x"
93
94 #define UID_ARG(x) \
95     (x)[0],  (x)[1],  (x)[2],  (x)[3],      \
96     (x)[4],  (x)[5],  (x)[6],  (x)[7],      \
97     (x)[8],  (x)[9],  (x)[10], (x)[11],     \
98     (x)[12], (x)[13], (x)[14], (x)[15]      \
99
100 #ifdef DEBUG
101 #define PRINT_KEY(pc, s, x)                         \
102     av_log(pc, AV_LOG_VERBOSE,                      \
103            "%s "                                    \
104            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
105            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
106            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
107            "0x%02x,0x%02x,0x%02x,0x%02x ",          \
108             s, UID_ARG(x));                         \
109     av_log(pc, AV_LOG_INFO,                         \
110            "%s "                                    \
111            "%02x.%02x.%02x.%02x."                   \
112            "%02x.%02x.%02x.%02x."                   \
113            "%02x.%02x.%02x.%02x."                   \
114            "%02x.%02x.%02x.%02x\n",                 \
115             s, UID_ARG(x))
116 #else
117 #define PRINT_KEY(pc, s, x) do { if(0)              \
118     av_log(pc, AV_LOG_VERBOSE,                      \
119            "%s "                                    \
120            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
121            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
122            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
123            "0x%02x,0x%02x,0x%02x,0x%02x ",          \
124             s, UID_ARG(x));                         \
125     }while(0)
126 #endif
127
128 #endif /* AVFORMAT_MXF_H */