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  */
28 const MXFCodecUL ff_mxf_data_definition_uls[] = {
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  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AVMEDIA_TYPE_DATA },
32 };
33 
34 const MXFCodecUL ff_mxf_codec_uls[] = {
35  /* PictureEssenceCoding */
36  { { 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 */
37  { { 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 */
38  { { 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 */
39  { { 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 */
40  { { 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 */
41  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 }, 13, AV_CODEC_ID_DVVIDEO }, /* DV25 IEC PAL */
42  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14, AV_CODEC_ID_JPEG2000 }, /* JPEG2000 Codestream */
43  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13, AV_CODEC_ID_RAWVIDEO }, /* Uncompressed */
44  { { 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 */
45  { { 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 */
46  { { 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 */
47  { { 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 */
48  { { 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 */
49  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x02,0x01 }, 16, AV_CODEC_ID_V210 }, /* V210 */
50  /* SoundEssenceCompression */
51  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, 13, AV_CODEC_ID_PCM_S16LE }, /* Uncompressed */
52  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13, AV_CODEC_ID_PCM_S16LE },
53  { { 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 */
54  { { 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 */
55  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x01,0x00 }, 15, AV_CODEC_ID_AC3 },
56  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x05,0x00 }, 15, AV_CODEC_ID_MP2 }, /* MP2 or MP3 */
57  //{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x1C,0x00 }, 15, AV_CODEC_ID_DOLBY_E }, /* Dolby-E */
58  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AV_CODEC_ID_NONE },
59 };
60 
61 const MXFCodecUL ff_mxf_pixel_format_uls[] = {
62  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x01 }, 16, AV_PIX_FMT_UYVY422 },
63  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x02 }, 16, AV_PIX_FMT_YUYV422 },
64  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AV_PIX_FMT_NONE },
65 };
66 
67 static const struct {
68  enum AVPixelFormat pix_fmt;
69  const char data[16];
70 } ff_mxf_pixel_layouts[] = {
71  /**
72  * See SMPTE 377M E.2.46
73  *
74  * Note: Only RGB, palette based and "abnormal" YUV pixel formats like 4:2:2:4 go here.
75  * For regular YUV, use CDCIPictureEssenceDescriptor.
76  *
77  * Note: Do not use these for encoding descriptors for little-endian formats until we
78  * get samples or official word from SMPTE on how/if those can be encoded.
79  */
80  {AV_PIX_FMT_ABGR, {'A', 8, 'B', 8, 'G', 8, 'R', 8 }},
81  {AV_PIX_FMT_ARGB, {'A', 8, 'R', 8, 'G', 8, 'B', 8 }},
82  {AV_PIX_FMT_BGR24, {'B', 8, 'G', 8, 'R', 8 }},
83  {AV_PIX_FMT_BGRA, {'B', 8, 'G', 8, 'R', 8, 'A', 8 }},
84  {AV_PIX_FMT_RGB24, {'R', 8, 'G', 8, 'B', 8 }},
85  {AV_PIX_FMT_RGB444BE,{'F', 4, 'R', 4, 'G', 4, 'B', 4 }},
86  {AV_PIX_FMT_RGB48BE, {'R', 8, 'r', 8, 'G', 8, 'g', 8, 'B', 8, 'b', 8 }},
87  {AV_PIX_FMT_RGB48BE, {'R', 16, 'G', 16, 'B', 16 }},
88  {AV_PIX_FMT_RGB48LE, {'r', 8, 'R', 8, 'g', 8, 'G', 8, 'b', 8, 'B', 8 }},
89  {AV_PIX_FMT_RGB555BE,{'F', 1, 'R', 5, 'G', 5, 'B', 5 }},
90  {AV_PIX_FMT_RGB565BE,{'R', 5, 'G', 6, 'B', 5 }},
91  {AV_PIX_FMT_RGBA, {'R', 8, 'G', 8, 'B', 8, 'A', 8 }},
92  {AV_PIX_FMT_PAL8, {'P', 8 }},
93 };
94 
95 static const int num_pixel_layouts = FF_ARRAY_ELEMS(ff_mxf_pixel_layouts);
96 
97 int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt)
98 {
99  int x;
100 
101  for(x = 0; x < num_pixel_layouts; x++) {
102  if (!memcmp(pixel_layout, ff_mxf_pixel_layouts[x].data, 16)) {
103  *pix_fmt = ff_mxf_pixel_layouts[x].pix_fmt;
104  return 0;
105  }
106  }
107 
108  return -1;
109 }
110 
111 static const MXFSamplesPerFrame mxf_spf[] = {
112  { { 1001, 24000 }, { 2002, 0, 0, 0, 0, 0 } }, // FILM 23.976
113  { { 1, 24}, { 2000, 0, 0, 0, 0, 0 } }, // FILM 24
114  { { 1001, 30000 }, { 1602, 1601, 1602, 1601, 1602, 0 } }, // NTSC 29.97
115  { { 1001, 60000 }, { 801, 801, 801, 801, 800, 0 } }, // NTSC 59.94
116  { { 1, 25 }, { 1920, 0, 0, 0, 0, 0 } }, // PAL 25
117  { { 1, 50 }, { 960, 0, 0, 0, 0, 0 } }, // PAL 50
118 };
119 
120 static const AVRational mxf_time_base[] = {
121  { 1001, 24000 },
122  { 1, 24},
123  { 1001, 30000 },
124  { 1001, 60000 },
125  { 1, 25 },
126  { 1, 50 },
127  { 0, 0}
128 };
129 
130 const MXFSamplesPerFrame *ff_mxf_get_samples_per_frame(AVFormatContext *s,
131  AVRational time_base)
132 {
133  int idx = av_find_nearest_q_idx(time_base, mxf_time_base);
134  AVRational diff = av_sub_q(time_base, mxf_time_base[idx]);
135 
136  diff.num = abs(diff.num);
137 
138  if (av_cmp_q(diff, (AVRational){1, 1000}) >= 0)
139  return NULL;
140 
141  if (av_cmp_q(time_base, mxf_time_base[idx]))
142  av_log(s, AV_LOG_WARNING,
143  "%d/%d input time base matched %d/%d container time base\n",
144  time_base.num, time_base.den,
145  mxf_spf[idx].time_base.num,
146  mxf_spf[idx].time_base.den);
147 
148  return &mxf_spf[idx];
149 }
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