git.sesse.net Git - ffmpeg/blob - 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     AVCSubDescriptor,
  52 };
  53
  54 enum MXFFrameLayout {
  55     FullFrame = 0,
  56     SeparateFields,
  57     OneField,
  58     MixedFields,
  59     SegmentedFrame,
  60 };
  61
  62 typedef struct MXFContentPackageRate {
  63     int rate;
  64     AVRational tb;
  65 } MXFContentPackageRate;
  66
  67 typedef struct KLVPacket {
  68     UID key;
  69     int64_t offset;
  70     uint64_t length;
  71     int64_t next_klv;
  72 } KLVPacket;
  73
  74 typedef enum {
  75     NormalWrap = 0,
  76     D10D11Wrap,
  77     RawAWrap,
  78     RawVWrap
  79 } MXFWrappingIndicatorType;
  80
  81 typedef struct MXFLocalTagPair {
  82     int local_tag;
  83     UID uid;
  84 } MXFLocalTagPair;
  85
  86 extern const uint8_t ff_mxf_random_index_pack_key[16];
  87
  88 #define FF_MXF_MasteringDisplay_PREFIX                  0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x0e,0x04,0x20,0x04,0x01,0x01
  89 #define FF_MXF_MasteringDisplayPrimaries                { FF_MXF_MasteringDisplay_PREFIX,0x01,0x00,0x00 }
  90 #define FF_MXF_MasteringDisplayWhitePointChromaticity   { FF_MXF_MasteringDisplay_PREFIX,0x02,0x00,0x00 }
  91 #define FF_MXF_MasteringDisplayMaximumLuminance         { FF_MXF_MasteringDisplay_PREFIX,0x03,0x00,0x00 }
  92 #define FF_MXF_MasteringDisplayMinimumLuminance         { FF_MXF_MasteringDisplay_PREFIX,0x04,0x00,0x00 }
  93
  94 #define FF_MXF_MASTERING_CHROMA_DEN 50000
  95 #define FF_MXF_MASTERING_LUMA_DEN   10000
  96
  97 typedef struct MXFCodecUL {
  98     UID uid;
  99     unsigned matching_len;
 100     int id;
 101     const char *desc;
 102     unsigned wrapping_indicator_pos;
 103     MXFWrappingIndicatorType wrapping_indicator_type;
 104 } MXFCodecUL;
 105
 106 extern const MXFCodecUL ff_mxf_data_definition_uls[];
 107 extern const MXFCodecUL ff_mxf_codec_uls[];
 108 extern const MXFCodecUL ff_mxf_pixel_format_uls[];
 109 extern const MXFCodecUL ff_mxf_codec_tag_uls[];
 110 extern const MXFCodecUL ff_mxf_color_primaries_uls[];
 111 extern const MXFCodecUL ff_mxf_color_trc_uls[];
 112 extern const MXFCodecUL ff_mxf_color_space_uls[];
 113
 114 int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt);
 115 int ff_mxf_get_content_package_rate(AVRational time_base);
 116
 117
 118 #define PRIxUID                             \
 119     "%02x.%02x.%02x.%02x."                  \
 120     "%02x.%02x.%02x.%02x."                  \
 121     "%02x.%02x.%02x.%02x."                  \
 122     "%02x.%02x.%02x.%02x"
 123
 124 #define UID_ARG(x) \
 125     (x)[0],  (x)[1],  (x)[2],  (x)[3],      \
 126     (x)[4],  (x)[5],  (x)[6],  (x)[7],      \
 127     (x)[8],  (x)[9],  (x)[10], (x)[11],     \
 128     (x)[12], (x)[13], (x)[14], (x)[15]      \
 129
 130 #ifdef DEBUG
 131 #define PRINT_KEY(pc, s, x)                         \
 132     av_log(pc, AV_LOG_VERBOSE,                      \
 133            "%s "                                    \
 134            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
 135            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
 136            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
 137            "0x%02x,0x%02x,0x%02x,0x%02x ",          \
 138             s, UID_ARG(x));                         \
 139     av_log(pc, AV_LOG_INFO,                         \
 140            "%s "                                    \
 141            "%02x.%02x.%02x.%02x."                   \
 142            "%02x.%02x.%02x.%02x."                   \
 143            "%02x.%02x.%02x.%02x."                   \
 144            "%02x.%02x.%02x.%02x\n",                 \
 145             s, UID_ARG(x))
 146 #else
 147 #define PRINT_KEY(pc, s, x) do { if(0)              \
 148     av_log(pc, AV_LOG_VERBOSE,                      \
 149            "%s "                                    \
 150            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
 151            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
 152            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
 153            "0x%02x,0x%02x,0x%02x,0x%02x ",          \
 154             s, UID_ARG(x));                         \
 155     }while(0)
 156 #endif
 157
 158 #endif /* AVFORMAT_MXF_H */