FFmpeg
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mxf.c
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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 
22 #include "libavutil/common.h"
23 #include "mxf.h"
24 
25 /**
26  * SMPTE RP224 http://www.smpte-ra.org/mdd/index.html
27  */
29  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x01,0x00,0x00,0x00 }, 13, AVMEDIA_TYPE_VIDEO },
30  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x02,0x00,0x00,0x00 }, 13, AVMEDIA_TYPE_AUDIO },
31  { { 0x80,0x7D,0x00,0x60,0x08,0x14,0x3E,0x6F,0x6F,0x3C,0x8C,0xE1,0x6C,0xEF,0x11,0xD2 }, 16, AVMEDIA_TYPE_VIDEO }, /* LegacyPicture Avid Media Composer MXF */
32  { { 0x80,0x7D,0x00,0x60,0x08,0x14,0x3E,0x6F,0x78,0xE1,0xEB,0xE1,0x6C,0xEF,0x11,0xD2 }, 16, AVMEDIA_TYPE_AUDIO }, /* LegacySound Avid Media Composer MXF */
33  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AVMEDIA_TYPE_DATA },
34 };
35 
37  /* PictureEssenceCoding */
38  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, 14, AV_CODEC_ID_MPEG2VIDEO }, /* MP@ML Long GoP */
39  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, 14, AV_CODEC_ID_MPEG2VIDEO }, /* D-10 50Mbps PAL */
40  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, 14, AV_CODEC_ID_MPEG2VIDEO }, /* MP@HL Long GoP */
41  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, 14, AV_CODEC_ID_MPEG2VIDEO }, /* 422P@HL I-Frame */
42  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x20,0x02,0x03 }, 14, AV_CODEC_ID_MPEG4 }, /* XDCAM proxy_pal030926.mxf */
43  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 }, 13, AV_CODEC_ID_DVVIDEO }, /* DV25 IEC PAL */
44  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14, AV_CODEC_ID_JPEG2000 }, /* JPEG2000 Codestream */
45  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13, AV_CODEC_ID_RAWVIDEO }, /* Uncompressed */
46  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }, 15, AV_CODEC_ID_RAWVIDEO }, /* Uncompressed 422 8-bit */
47  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x71,0x00,0x00,0x00 }, 13, AV_CODEC_ID_DNXHD }, /* SMPTE VC-3/DNxHD */
48  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x03,0x02,0x00,0x00 }, 14, AV_CODEC_ID_DNXHD }, /* SMPTE VC-3/DNxHD */
49  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0E,0x04,0x02,0x01,0x02,0x04,0x01,0x00 }, 16, AV_CODEC_ID_DNXHD }, /* SMPTE VC-3/DNxHD Legacy Avid Media Composer MXF */
50  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x00,0x00 }, 14, AV_CODEC_ID_H264 }, /* H.264/MPEG-4 AVC Intra */
51  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 14, AV_CODEC_ID_H264 }, /* H.264/MPEG-4 AVC SPS/PPS in-band */
52  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x02,0x01 }, 16, AV_CODEC_ID_V210 }, /* V210 */
53  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0E,0x04,0x02,0x01,0x02,0x11,0x00,0x00 }, 14, AV_CODEC_ID_PRORES }, /* Avid MC7 ProRes */
54  /* SoundEssenceCompression */
55  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x03,0x04,0x02,0x02,0x02,0x03,0x03,0x01,0x00 }, 14, AV_CODEC_ID_AAC }, /* MPEG2 AAC ADTS (legacy) */
56  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, 13, AV_CODEC_ID_PCM_S16LE }, /* Uncompressed */
57  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13, AV_CODEC_ID_PCM_S16LE },
58  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x07,0x04,0x02,0x02,0x01,0x7E,0x00,0x00,0x00 }, 13, AV_CODEC_ID_PCM_S16BE }, /* From Omneon MXF file */
59  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x04,0x04,0x02,0x02,0x02,0x03,0x01,0x01,0x00 }, 15, AV_CODEC_ID_PCM_ALAW }, /* XDCAM Proxy C0023S01.mxf */
60  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x01,0x00 }, 15, AV_CODEC_ID_AC3 },
61  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x05,0x00 }, 15, AV_CODEC_ID_MP2 }, /* MP2 or MP3 */
62  //{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x1C,0x00 }, 15, AV_CODEC_ID_DOLBY_E }, /* Dolby-E */
63  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AV_CODEC_ID_NONE },
64 };
65 
67  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x01 }, 16, AV_PIX_FMT_UYVY422 },
68  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x02 }, 16, AV_PIX_FMT_YUYV422 },
69  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AV_PIX_FMT_NONE },
70 };
71 
72 static const struct {
74  const char data[16];
76  /**
77  * See SMPTE 377M E.2.46
78  *
79  * Note: Only RGB, palette based and "abnormal" YUV pixel formats like 4:2:2:4 go here.
80  * For regular YUV, use CDCIPictureEssenceDescriptor.
81  *
82  * Note: Do not use these for encoding descriptors for little-endian formats until we
83  * get samples or official word from SMPTE on how/if those can be encoded.
84  */
85  {AV_PIX_FMT_ABGR, {'A', 8, 'B', 8, 'G', 8, 'R', 8 }},
86  {AV_PIX_FMT_ARGB, {'A', 8, 'R', 8, 'G', 8, 'B', 8 }},
87  {AV_PIX_FMT_BGR24, {'B', 8, 'G', 8, 'R', 8 }},
88  {AV_PIX_FMT_BGRA, {'B', 8, 'G', 8, 'R', 8, 'A', 8 }},
89  {AV_PIX_FMT_RGB24, {'R', 8, 'G', 8, 'B', 8 }},
90  {AV_PIX_FMT_RGB444BE,{'F', 4, 'R', 4, 'G', 4, 'B', 4 }},
91  {AV_PIX_FMT_RGB48BE, {'R', 8, 'r', 8, 'G', 8, 'g', 8, 'B', 8, 'b', 8 }},
92  {AV_PIX_FMT_RGB48BE, {'R', 16, 'G', 16, 'B', 16 }},
93  {AV_PIX_FMT_RGB48LE, {'r', 8, 'R', 8, 'g', 8, 'G', 8, 'b', 8, 'B', 8 }},
94  {AV_PIX_FMT_RGB555BE,{'F', 1, 'R', 5, 'G', 5, 'B', 5 }},
95  {AV_PIX_FMT_RGB565BE,{'R', 5, 'G', 6, 'B', 5 }},
96  {AV_PIX_FMT_RGBA, {'R', 8, 'G', 8, 'B', 8, 'A', 8 }},
97  {AV_PIX_FMT_PAL8, {'P', 8 }},
98  {AV_PIX_FMT_GRAY8, {'A', 8 }},
99 };
100 
102 
103 int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt)
104 {
105  int x;
106 
107  for(x = 0; x < num_pixel_layouts; x++) {
108  if (!memcmp(pixel_layout, ff_mxf_pixel_layouts[x].data, 16)) {
109  *pix_fmt = ff_mxf_pixel_layouts[x].pix_fmt;
110  return 0;
111  }
112  }
113 
114  return -1;
115 }
116 
117 static const MXFSamplesPerFrame mxf_spf[] = {
118  { { 1001, 24000 }, { 2002, 0, 0, 0, 0, 0 } }, // FILM 23.976
119  { { 1, 24}, { 2000, 0, 0, 0, 0, 0 } }, // FILM 24
120  { { 1001, 30000 }, { 1602, 1601, 1602, 1601, 1602, 0 } }, // NTSC 29.97
121  { { 1001, 60000 }, { 801, 801, 801, 801, 800, 0 } }, // NTSC 59.94
122  { { 1, 25 }, { 1920, 0, 0, 0, 0, 0 } }, // PAL 25
123  { { 1, 50 }, { 960, 0, 0, 0, 0, 0 } }, // PAL 50
124 };
125 
126 static const AVRational mxf_time_base[] = {
127  { 1001, 24000 },
128  { 1, 24},
129  { 1001, 30000 },
130  { 1001, 60000 },
131  { 1, 25 },
132  { 1, 50 },
133  { 0, 0}
134 };
135 
137  AVRational time_base)
138 {
139  int idx = av_find_nearest_q_idx(time_base, mxf_time_base);
140  AVRational diff = av_sub_q(time_base, mxf_time_base[idx]);
141 
142  diff.num = abs(diff.num);
143 
144  if (av_cmp_q(diff, (AVRational){1, 1000}) >= 0)
145  return NULL;
146 
147  if (av_cmp_q(time_base, mxf_time_base[idx]))
149  "%d/%d input time base matched %d/%d container time base\n",
150  time_base.num, time_base.den,
151  mxf_spf[idx].time_base.num,
152  mxf_spf[idx].time_base.den);
153 
154  return &mxf_spf[idx];
155 }