git.sesse.net Git - ffmpeg/blob - libavformat/mxf.c

   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 Libav.
   6  *
   7  * Libav 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  * Libav 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 Libav; 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,0x04,0x01,0x02,0x01,0x01,0x02,0x02,0x00 }, 15,       AV_CODEC_ID_V210 }, /* V210 */
  50     /* SoundEssenceCompression */
  51     { { 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) */
  52     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, 13,  AV_CODEC_ID_PCM_S16LE }, /* Uncompressed */
  53     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13,  AV_CODEC_ID_PCM_S16LE },
  54     { { 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 */
  55     { { 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 */
  56     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x01,0x00 }, 15,        AV_CODEC_ID_AC3 },
  57     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x05,0x00 }, 15,        AV_CODEC_ID_MP2 }, /* MP2 or MP3 */
  58   //{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x1C,0x00 }, 15,    AV_CODEC_ID_DOLBY_E }, /* Dolby-E */
  59     { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,       AV_CODEC_ID_NONE },
  60 };
  61
  62 const MXFCodecUL ff_mxf_pixel_format_uls[] = {
  63     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x01 }, 16, AV_PIX_FMT_UYVY422 },
  64     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x02 }, 16, AV_PIX_FMT_YUYV422 },
  65     { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,    AV_PIX_FMT_NONE },
  66 };
  67
  68 static const struct {
  69     enum AVPixelFormat pix_fmt;
  70     const char data[16];
  71 } ff_mxf_pixel_layouts[] = {
  72     /**
  73      * See SMPTE 377M E.2.46
  74      *
  75      * Note: Only RGB, palette based and "abnormal" YUV pixel formats like 4:2:2:4 go here.
  76      *       For regular YUV, use CDCIPictureEssenceDescriptor.
  77      *
  78      * Note: Do not use these for encoding descriptors for little-endian formats until we
  79      *       get samples or official word from SMPTE on how/if those can be encoded.
  80      */
  81     {AV_PIX_FMT_ABGR,    {'A', 8,  'B', 8,  'G', 8, 'R', 8                 }},
  82     {AV_PIX_FMT_ARGB,    {'A', 8,  'R', 8,  'G', 8, 'B', 8                 }},
  83     {AV_PIX_FMT_BGR24,   {'B', 8,  'G', 8,  'R', 8                         }},
  84     {AV_PIX_FMT_BGRA,    {'B', 8,  'G', 8,  'R', 8, 'A', 8                 }},
  85     {AV_PIX_FMT_RGB24,   {'R', 8,  'G', 8,  'B', 8                         }},
  86     {AV_PIX_FMT_RGB444BE,{'F', 4,  'R', 4,  'G', 4, 'B', 4                 }},
  87     {AV_PIX_FMT_RGB48BE, {'R', 8,  'r', 8,  'G', 8, 'g', 8, 'B', 8, 'b', 8 }},
  88     {AV_PIX_FMT_RGB48BE, {'R', 16, 'G', 16, 'B', 16                        }},
  89     {AV_PIX_FMT_RGB48LE, {'r', 8,  'R', 8,  'g', 8, 'G', 8, 'b', 8, 'B', 8 }},
  90     {AV_PIX_FMT_RGB555BE,{'F', 1,  'R', 5,  'G', 5, 'B', 5                 }},
  91     {AV_PIX_FMT_RGB565BE,{'R', 5,  'G', 6,  'B', 5                         }},
  92     {AV_PIX_FMT_RGBA,    {'R', 8,  'G', 8,  'B', 8, 'A', 8                 }},
  93     {AV_PIX_FMT_PAL8,    {'P', 8                                           }},
  94 };
  95
  96 static const int num_pixel_layouts = FF_ARRAY_ELEMS(ff_mxf_pixel_layouts);
  97
  98 int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt)
  99 {
 100     int x;
 101
 102     for(x = 0; x < num_pixel_layouts; x++) {
 103         if (!memcmp(pixel_layout, ff_mxf_pixel_layouts[x].data, 16)) {
 104             *pix_fmt = ff_mxf_pixel_layouts[x].pix_fmt;
 105             return 0;
 106         }
 107     }
 108
 109     return -1;
 110 }
 111
 112 static const MXFSamplesPerFrame mxf_spf[] = {
 113     { { 1001, 24000 }, { 2002, 0,    0,    0,    0,    0 } }, // FILM 23.976
 114     { { 1, 24},        { 2000, 0,    0,    0,    0,    0 } }, // FILM 24
 115     { { 1001, 30000 }, { 1602, 1601, 1602, 1601, 1602, 0 } }, // NTSC 29.97
 116     { { 1001, 60000 }, { 801,  801,  801,  801,  800,  0 } }, // NTSC 59.94
 117     { { 1, 25 },       { 1920, 0,    0,    0,    0,    0 } }, // PAL 25
 118     { { 1, 50 },       { 960,  0,    0,    0,    0,    0 } }, // PAL 50
 119 };
 120
 121 static const AVRational mxf_time_base[] = {
 122     { 1001, 24000 },
 123     { 1, 24},
 124     { 1001, 30000 },
 125     { 1001, 60000 },
 126     { 1, 25 },
 127     { 1, 50 },
 128     { 0, 0}
 129 };
 130
 131 const MXFSamplesPerFrame *ff_mxf_get_samples_per_frame(AVFormatContext *s,
 132                                                        AVRational time_base)
 133 {
 134     int idx = av_find_nearest_q_idx(time_base, mxf_time_base);
 135     AVRational diff = av_sub_q(time_base, mxf_time_base[idx]);
 136
 137     diff.num = abs(diff.num);
 138
 139     if (av_cmp_q(diff, (AVRational){1, 1000}) >= 0)
 140         return NULL;
 141
 142     if (av_cmp_q(time_base, mxf_time_base[idx]))
 143         av_log(s, AV_LOG_WARNING,
 144                "%d/%d input time base matched %d/%d container time base\n",
 145                time_base.num, time_base.den,
 146                mxf_spf[idx].time_base.num,
 147                mxf_spf[idx].time_base.den);
 148
 149     return &mxf_spf[idx];
 150 }