149 lines
8.0 KiB
C
149 lines
8.0 KiB
C
/*
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* MXF
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* Copyright (c) 2006 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/common.h"
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#include "mxf.h"
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/**
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* SMPTE RP224 http://www.smpte-ra.org/mdd/index.html
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*/
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const MXFCodecUL ff_mxf_data_definition_uls[] = {
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x01,0x00,0x00,0x00 }, 13, AVMEDIA_TYPE_VIDEO },
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x02,0x00,0x00,0x00 }, 13, AVMEDIA_TYPE_AUDIO },
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{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AVMEDIA_TYPE_DATA },
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};
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const MXFCodecUL ff_mxf_codec_uls[] = {
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/* PictureEssenceCoding */
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{ { 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 */
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{ { 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 */
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{ { 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 */
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{ { 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 */
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{ { 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 */
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 }, 13, AV_CODEC_ID_DVVIDEO }, /* DV25 IEC PAL */
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14, AV_CODEC_ID_JPEG2000 }, /* JPEG2000 Codestream */
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13, AV_CODEC_ID_RAWVIDEO }, /* Uncompressed */
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{ { 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 */
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{ { 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 */
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{ { 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 */
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{ { 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 */
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x02,0x00 }, 15, AV_CODEC_ID_V210 }, /* V210 */
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/* SoundEssenceCompression */
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, 13, AV_CODEC_ID_PCM_S16LE }, /* Uncompressed */
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13, AV_CODEC_ID_PCM_S16LE },
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{ { 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 */
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{ { 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 */
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x01,0x00 }, 15, AV_CODEC_ID_AC3 },
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x05,0x00 }, 15, AV_CODEC_ID_MP2 }, /* MP2 or MP3 */
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//{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x1C,0x00 }, 15, AV_CODEC_ID_DOLBY_E }, /* Dolby-E */
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{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AV_CODEC_ID_NONE },
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};
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const MXFCodecUL ff_mxf_pixel_format_uls[] = {
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x01 }, 16, AV_PIX_FMT_UYVY422 },
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{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x02 }, 16, AV_PIX_FMT_YUYV422 },
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{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AV_PIX_FMT_NONE },
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};
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static const struct {
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enum AVPixelFormat pix_fmt;
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const char data[16];
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} ff_mxf_pixel_layouts[] = {
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/**
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* See SMPTE 377M E.2.46
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*
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* Note: Only RGB, palette based and "abnormal" YUV pixel formats like 4:2:2:4 go here.
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* For regular YUV, use CDCIPictureEssenceDescriptor.
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*
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* Note: Do not use these for encoding descriptors for little-endian formats until we
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* get samples or official word from SMPTE on how/if those can be encoded.
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*/
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{AV_PIX_FMT_ABGR, {'A', 8, 'B', 8, 'G', 8, 'R', 8 }},
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{AV_PIX_FMT_ARGB, {'A', 8, 'R', 8, 'G', 8, 'B', 8 }},
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{AV_PIX_FMT_BGR24, {'B', 8, 'G', 8, 'R', 8 }},
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{AV_PIX_FMT_BGRA, {'B', 8, 'G', 8, 'R', 8, 'A', 8 }},
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{AV_PIX_FMT_RGB24, {'R', 8, 'G', 8, 'B', 8 }},
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{AV_PIX_FMT_RGB444BE,{'F', 4, 'R', 4, 'G', 4, 'B', 4 }},
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{AV_PIX_FMT_RGB48BE, {'R', 8, 'r', 8, 'G', 8, 'g', 8, 'B', 8, 'b', 8 }},
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{AV_PIX_FMT_RGB48BE, {'R', 16, 'G', 16, 'B', 16 }},
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{AV_PIX_FMT_RGB48LE, {'r', 8, 'R', 8, 'g', 8, 'G', 8, 'b', 8, 'B', 8 }},
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{AV_PIX_FMT_RGB555BE,{'F', 1, 'R', 5, 'G', 5, 'B', 5 }},
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{AV_PIX_FMT_RGB565BE,{'R', 5, 'G', 6, 'B', 5 }},
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{AV_PIX_FMT_RGBA, {'R', 8, 'G', 8, 'B', 8, 'A', 8 }},
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{AV_PIX_FMT_PAL8, {'P', 8 }},
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};
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static const int num_pixel_layouts = FF_ARRAY_ELEMS(ff_mxf_pixel_layouts);
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int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum AVPixelFormat *pix_fmt)
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{
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int x;
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for(x = 0; x < num_pixel_layouts; x++) {
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if (!memcmp(pixel_layout, ff_mxf_pixel_layouts[x].data, 16)) {
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*pix_fmt = ff_mxf_pixel_layouts[x].pix_fmt;
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return 0;
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}
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}
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return -1;
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}
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static const MXFSamplesPerFrame mxf_spf[] = {
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{ { 1001, 24000 }, { 2002, 0, 0, 0, 0, 0 } }, // FILM 23.976
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{ { 1, 24}, { 2000, 0, 0, 0, 0, 0 } }, // FILM 24
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{ { 1001, 30000 }, { 1602, 1601, 1602, 1601, 1602, 0 } }, // NTSC 29.97
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{ { 1001, 60000 }, { 801, 801, 801, 801, 800, 0 } }, // NTSC 59.94
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{ { 1, 25 }, { 1920, 0, 0, 0, 0, 0 } }, // PAL 25
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{ { 1, 50 }, { 960, 0, 0, 0, 0, 0 } }, // PAL 50
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};
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static const AVRational mxf_time_base[] = {
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{ 1001, 24000 },
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{ 1, 24},
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{ 1001, 30000 },
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{ 1001, 60000 },
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{ 1, 25 },
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{ 1, 50 },
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{ 0, 0}
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};
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const MXFSamplesPerFrame *ff_mxf_get_samples_per_frame(AVFormatContext *s,
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AVRational time_base)
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{
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int idx = av_find_nearest_q_idx(time_base, mxf_time_base);
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AVRational diff = av_sub_q(time_base, mxf_time_base[idx]);
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diff.num = abs(diff.num);
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if (av_cmp_q(diff, (AVRational){1, 1000}) >= 0)
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return NULL;
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if (av_cmp_q(time_base, mxf_time_base[idx]))
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av_log(s, AV_LOG_WARNING,
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"%d/%d input time base matched %d/%d container time base\n",
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time_base.num, time_base.den,
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mxf_spf[idx].time_base.num,
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mxf_spf[idx].time_base.den);
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return &mxf_spf[idx];
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}
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