ffmpeg/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     Sequence,
  37     MultipleDescriptor,
  38     Descriptor,
  39     Track,
  40     CryptoContext,
  41     Preface,
  42     Identification,
  43     ContentStorage,
  44     SubDescriptor,
  45     IndexTableSegment,
  46     EssenceContainerData,
  47     TypeBottom,// add metadata type before this
  48 };
  49
  50 enum MXFFrameLayout {
  51     FullFrame = 0,
  52     SeparateFields,
  53     OneField,
  54     MixedFields,
  55     SegmentedFrame,
  56 };
  57
  58 typedef struct KLVPacket {
  59     UID key;
  60     int64_t offset;
  61     uint64_t length;
  62 } KLVPacket;
  63
  64 typedef struct MXFCodecUL {
  65     UID uid;
  66     unsigned matching_len;
  67     int id;
  68 } MXFCodecUL;
  69
  70 typedef struct {
  71     struct AVRational time_base;
  72     int samples_per_frame[6];
  73 } MXFSamplesPerFrame;
  74
  75 extern const MXFCodecUL ff_mxf_data_definition_uls[];
  76 extern const MXFCodecUL ff_mxf_codec_uls[];
  77 extern const MXFCodecUL ff_mxf_pixel_format_uls[];
  78
  79 int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt);
  80 const MXFSamplesPerFrame *ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base);
  81
  82 #define PRIxUID                             \
  83     "%02x.%02x.%02x.%02x."                  \
  84     "%02x.%02x.%02x.%02x."                  \
  85     "%02x.%02x.%02x.%02x."                  \
  86     "%02x.%02x.%02x.%02x"
  87
  88 #define UID_ARG(x) \
  89     (x)[0],  (x)[1],  (x)[2],  (x)[3],      \
  90     (x)[4],  (x)[5],  (x)[6],  (x)[7],      \
  91     (x)[8],  (x)[9],  (x)[10], (x)[11],     \
  92     (x)[12], (x)[13], (x)[14], (x)[15]      \
  93
  94 #ifdef DEBUG
  95 #define PRINT_KEY(pc, s, x)                         \
  96     av_log(pc, AV_LOG_VERBOSE,                      \
  97            "%s "                                    \
  98            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
  99            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
 100            "0x%02x,0x%02x,0x%02x,0x%02x,"           \
 101            "0x%02x,0x%02x,0x%02x,0x%02x ",          \
 102             s,                                      \
 103             (x)[0],  (x)[1],  (x)[2],  (x)[3],      \
 104             (x)[4],  (x)[5],  (x)[6],  (x)[7],      \
 105             (x)[8],  (x)[9],  (x)[10], (x)[11],     \
 106             (x)[12], (x)[13], (x)[14], (x)[15]);    \
 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,                                      \
 114             (x)[0],  (x)[1],  (x)[2],  (x)[3],      \
 115             (x)[4],  (x)[5],  (x)[6],  (x)[7],      \
 116             (x)[8],  (x)[9],  (x)[10], (x)[11],     \
 117             (x)[12], (x)[13], (x)[14], (x)[15])
 118 #else
 119 #define PRINT_KEY(pc, s, x)
 120 #endif
 121
 122 #endif /* AVFORMAT_MXF_H */