mxf.c 8.26 KB
Newer Older
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 9 10 11
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
12
 * Libav is distributed in the hope that it will be useful,
13 14 15 16 17
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * 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 20 21
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

22
#include "libavutil/common.h"
23 24
#include "mxf.h"

25 26 27
/**
 * SMPTE RP224 http://www.smpte-ra.org/mdd/index.html
 */
28
const MXFCodecUL ff_mxf_data_definition_uls[] = {
29 30 31
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x01,0x00,0x00,0x00 }, 13, AVMEDIA_TYPE_VIDEO },
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x02,0x00,0x00,0x00 }, 13, AVMEDIA_TYPE_AUDIO },
    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,  AVMEDIA_TYPE_DATA },
32 33 34 35
};

const MXFCodecUL ff_mxf_codec_uls[] = {
    /* PictureEssenceCoding */
36 37 38 39 40 41 42 43
    { { 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 */
    { { 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 */
    { { 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 */
    { { 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 */
    { { 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 */
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 }, 13,    AV_CODEC_ID_DVVIDEO }, /* DV25 IEC PAL */
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14,   AV_CODEC_ID_JPEG2000 }, /* JPEG2000 Codestream */
    { { 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 */
Tomas Härdin's avatar
Tomas Härdin committed
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 47
    { { 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 */
    { { 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 */
Luca Barbato's avatar
Luca Barbato committed
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 53 54 55 56 57 58 59
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, 13,  AV_CODEC_ID_PCM_S16LE }, /* Uncompressed */
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13,  AV_CODEC_ID_PCM_S16LE },
    { { 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 */
    { { 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 */
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x01,0x00 }, 15,        AV_CODEC_ID_AC3 },
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x05,0x00 }, 15,        AV_CODEC_ID_MP2 }, /* MP2 or MP3 */
  //{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x1C,0x00 }, 15,    AV_CODEC_ID_DOLBY_E }, /* Dolby-E */
    { { 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 64 65
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x01 }, 16, AV_PIX_FMT_UYVY422 },
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x02 }, 16, AV_PIX_FMT_YUYV422 },
    { { 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 71
    const char data[16];
} ff_mxf_pixel_layouts[] = {
72 73 74 75 76 77 78 79 80
    /**
     * See SMPTE 377M E.2.46
     *
     * Note: Only RGB, palette based and "abnormal" YUV pixel formats like 4:2:2:4 go here.
     *       For regular YUV, use CDCIPictureEssenceDescriptor.
     *
     * Note: Do not use these for encoding descriptors for little-endian formats until we
     *       get samples or official word from SMPTE on how/if those can be encoded.
     */
81 82 83 84 85 86 87 88 89 90 91 92 93
    {AV_PIX_FMT_ABGR,    {'A', 8,  'B', 8,  'G', 8, 'R', 8                 }},
    {AV_PIX_FMT_ARGB,    {'A', 8,  'R', 8,  'G', 8, 'B', 8                 }},
    {AV_PIX_FMT_BGR24,   {'B', 8,  'G', 8,  'R', 8                         }},
    {AV_PIX_FMT_BGRA,    {'B', 8,  'G', 8,  'R', 8, 'A', 8                 }},
    {AV_PIX_FMT_RGB24,   {'R', 8,  'G', 8,  'B', 8                         }},
    {AV_PIX_FMT_RGB444BE,{'F', 4,  'R', 4,  'G', 4, 'B', 4                 }},
    {AV_PIX_FMT_RGB48BE, {'R', 8,  'r', 8,  'G', 8, 'g', 8, 'B', 8, 'b', 8 }},
    {AV_PIX_FMT_RGB48BE, {'R', 16, 'G', 16, 'B', 16                        }},
    {AV_PIX_FMT_RGB48LE, {'r', 8,  'R', 8,  'g', 8, 'G', 8, 'b', 8, 'B', 8 }},
    {AV_PIX_FMT_RGB555BE,{'F', 1,  'R', 5,  'G', 5, 'B', 5                 }},
    {AV_PIX_FMT_RGB565BE,{'R', 5,  'G', 6,  'B', 5                         }},
    {AV_PIX_FMT_RGBA,    {'R', 8,  'G', 8,  'B', 8, 'A', 8                 }},
    {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)
99 100 101 102 103 104 105 106 107 108 109 110
{
    int x;

    for(x = 0; x < num_pixel_layouts; x++) {
        if (!memcmp(pixel_layout, ff_mxf_pixel_layouts[x].data, 16)) {
            *pix_fmt = ff_mxf_pixel_layouts[x].pix_fmt;
            return 0;
        }
    }

    return -1;
}
111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150

static const MXFSamplesPerFrame mxf_spf[] = {
    { { 1001, 24000 }, { 2002, 0,    0,    0,    0,    0 } }, // FILM 23.976
    { { 1, 24},        { 2000, 0,    0,    0,    0,    0 } }, // FILM 24
    { { 1001, 30000 }, { 1602, 1601, 1602, 1601, 1602, 0 } }, // NTSC 29.97
    { { 1001, 60000 }, { 801,  801,  801,  801,  800,  0 } }, // NTSC 59.94
    { { 1, 25 },       { 1920, 0,    0,    0,    0,    0 } }, // PAL 25
    { { 1, 50 },       { 960,  0,    0,    0,    0,    0 } }, // PAL 50
};

static const AVRational mxf_time_base[] = {
    { 1001, 24000 },
    { 1, 24},
    { 1001, 30000 },
    { 1001, 60000 },
    { 1, 25 },
    { 1, 50 },
    { 0, 0}
};

const MXFSamplesPerFrame *ff_mxf_get_samples_per_frame(AVFormatContext *s,
                                                       AVRational time_base)
{
    int idx = av_find_nearest_q_idx(time_base, mxf_time_base);
    AVRational diff = av_sub_q(time_base, mxf_time_base[idx]);

    diff.num = abs(diff.num);

    if (av_cmp_q(diff, (AVRational){1, 1000}) >= 0)
        return NULL;

    if (av_cmp_q(time_base, mxf_time_base[idx]))
        av_log(s, AV_LOG_WARNING,
               "%d/%d input time base matched %d/%d container time base\n",
               time_base.num, time_base.den,
               mxf_spf[idx].time_base.num,
               mxf_spf[idx].time_base.den);

    return &mxf_spf[idx];
}