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mxf.h
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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 
48  TypeBottom,// add metadata type before this
51 };
52 
54  FullFrame = 0,
59 };
60 
61 typedef struct KLVPacket {
63  int64_t offset;
64  uint64_t length;
65 } KLVPacket;
66 
67 typedef struct MXFCodecUL {
69  unsigned matching_len;
70  int id;
71 } MXFCodecUL;
72 
73 typedef struct {
74  struct AVRational time_base;
75  int samples_per_frame[6];
77 
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);
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 */
MXFMetadataSetType
Definition: mxf.h:30
const char * s
Definition: avisynth_c.h:631
static enum AVPixelFormat pix_fmt
Definition: mxf.h:39
Definition: mxf.h:34
UID key
Definition: mxf.h:62
int64_t offset
Definition: mxf.h:63
const MXFCodecUL ff_mxf_data_definition_uls[]
SMPTE RP224 http://www.smpte-ra.org/mdd/index.html.
Definition: mxf.c:28
int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt)
Definition: mxf.c:118
int id
Definition: mxf.h:70
Format I/O context.
Definition: avformat.h:1314
uint8_t UID[16]
Definition: mxf.h:28
uint8_t
Definition: mxf.h:61
Definition: mxf.h:42
unsigned matching_len
Definition: mxf.h:69
Definition: mxf.h:56
uint64_t length
Definition: mxf.h:64
Definition: mxf.h:40
const MXFCodecUL ff_mxf_pixel_format_uls[]
Definition: mxf.c:76
const MXFCodecUL ff_mxf_codec_uls[]
Definition: mxf.c:36
const MXFCodecUL ff_mxf_codec_tag_uls[]
Definition: mxf.c:82
Libavcodec external API header.
Definition: mxf.h:54
rational number numerator/denominator
Definition: rational.h:43
Definition: mxf.h:67
Definition: mxf.h:48
Main libavformat public API header.
Definition: mxf.h:37
const MXFSamplesPerFrame * ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base)
Definition: mxf.c:151
MXFFrameLayout
Definition: mxf.h:53
UID uid
Definition: mxf.h:68
AVPixelFormat
Pixel format.
Definition: pixfmt.h:61
Definition: mxf.h:31