avformat/mxfenc: correctly set content package rate in system element
[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 enum {
69     NormalWrap = 0,
70     D10D11Wrap,
71     RawAWrap,
72     RawVWrap
73 } MXFWrappingIndicatorType;
74
75 typedef struct MXFCodecUL {
76     UID uid;
77     unsigned matching_len;
78     int id;
79     const char *desc;
80     unsigned wrapping_indicator_pos;
81     MXFWrappingIndicatorType wrapping_indicator_type;
82 } MXFCodecUL;
83
84 typedef struct {
85     struct AVRational time_base;
86     int samples_per_frame[6];
87 } MXFSamplesPerFrame;
88
89 extern const MXFCodecUL ff_mxf_data_definition_uls[];
90 extern const MXFCodecUL ff_mxf_codec_uls[];
91 extern const MXFCodecUL ff_mxf_pixel_format_uls[];
92 extern const MXFCodecUL ff_mxf_codec_tag_uls[];
93
94 int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt);
95 const MXFSamplesPerFrame *ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base);
96 int ff_mxf_get_content_package_rate(AVRational time_base);
97
98
99 #define PRIxUID                             \
100     "%02x.%02x.%02x.%02x."                  \
101     "%02x.%02x.%02x.%02x."                  \
102     "%02x.%02x.%02x.%02x."                  \
103     "%02x.%02x.%02x.%02x"
104
105 #define UID_ARG(x) \
106     (x)[0],  (x)[1],  (x)[2],  (x)[3],      \
107     (x)[4],  (x)[5],  (x)[6],  (x)[7],      \
108     (x)[8],  (x)[9],  (x)[10], (x)[11],     \
109     (x)[12], (x)[13], (x)[14], (x)[15]      \
110
111 #ifdef DEBUG
112 #define PRINT_KEY(pc, s, x)                         \
113     av_log(pc, AV_LOG_VERBOSE,                      \
114            "%s "                                    \
115            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
116            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
117            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
118            "0x%02x,0x%02x,0x%02x,0x%02x ",          \
119             s, UID_ARG(x));                         \
120     av_log(pc, AV_LOG_INFO,                         \
121            "%s "                                    \
122            "%02x.%02x.%02x.%02x."                   \
123            "%02x.%02x.%02x.%02x."                   \
124            "%02x.%02x.%02x.%02x."                   \
125            "%02x.%02x.%02x.%02x\n",                 \
126             s, UID_ARG(x))
127 #else
128 #define PRINT_KEY(pc, s, x) do { if(0)              \
129     av_log(pc, AV_LOG_VERBOSE,                      \
130            "%s "                                    \
131            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
132            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
133            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
134            "0x%02x,0x%02x,0x%02x,0x%02x ",          \
135             s, UID_ARG(x));                         \
136     }while(0)
137 #endif
138
139 #endif /* AVFORMAT_MXF_H */