FFmpeg: libavformat/mxf.c Source File

00001 /*
00002  * MXF
00003  * Copyright (c) 2006 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
00004  *
00005  * This file is part of FFmpeg.
00006  *
00007  * FFmpeg is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or (at your option) any later version.
00011  *
00012  * FFmpeg is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with FFmpeg; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00020  */
00021 
00022 #include "libavutil/common.h"
00023 #include "mxf.h"
00024 
00028 const MXFCodecUL ff_mxf_data_definition_uls[] = {
00029     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x01,0x00,0x00,0x00 }, 13, AVMEDIA_TYPE_VIDEO },
00030     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x02,0x00,0x00,0x00 }, 13, AVMEDIA_TYPE_AUDIO },
00031     { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,  AVMEDIA_TYPE_DATA },
00032 };
00033 
00034 const MXFCodecUL ff_mxf_codec_uls[] = {
00035     /* PictureEssenceCoding */
00036     { { 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 */
00037     { { 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 */
00038     { { 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 */
00039     { { 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 */
00040     { { 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 */
00041     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 }, 13,    AV_CODEC_ID_DVVIDEO }, /* DV25 IEC PAL */
00042     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14,   AV_CODEC_ID_JPEG2000 }, /* JPEG2000 Codestream */
00043     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13,   AV_CODEC_ID_RAWVIDEO }, /* Uncompressed */
00044     { { 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 */
00045     { { 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 */
00046     { { 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 */
00047     { { 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 */
00048     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x02,0x01 }, 16,       AV_CODEC_ID_V210 }, /* V210 */
00049     /* SoundEssenceCompression */
00050     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, 13,  AV_CODEC_ID_PCM_S16LE }, /* Uncompressed */
00051     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13,  AV_CODEC_ID_PCM_S16LE },
00052     { { 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 */
00053     { { 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 */
00054     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x01,0x00 }, 15,        AV_CODEC_ID_AC3 },
00055     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x05,0x00 }, 15,        AV_CODEC_ID_MP2 }, /* MP2 or MP3 */
00056   //{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x1C,0x00 }, 15,    AV_CODEC_ID_DOLBY_E }, /* Dolby-E */
00057     { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,       AV_CODEC_ID_NONE },
00058 };
00059 
00060 const MXFCodecUL ff_mxf_pixel_format_uls[] = {
00061     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x01 }, 16, PIX_FMT_UYVY422 },
00062     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x01,0x01,0x02,0x01,0x02 }, 16, PIX_FMT_YUYV422 },
00063     { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,    PIX_FMT_NONE },
00064 };
00065 
00066 static const struct {
00067     enum PixelFormat pix_fmt;
00068     const char data[16];
00069 } ff_mxf_pixel_layouts[] = {
00079     {PIX_FMT_ABGR,    {'A', 8,  'B', 8,  'G', 8, 'R', 8                 }},
00080     {PIX_FMT_ARGB,    {'A', 8,  'R', 8,  'G', 8, 'B', 8                 }},
00081     {PIX_FMT_BGR24,   {'B', 8,  'G', 8,  'R', 8                         }},
00082     {PIX_FMT_BGRA,    {'B', 8,  'G', 8,  'R', 8, 'A', 8                 }},
00083     {PIX_FMT_RGB24,   {'R', 8,  'G', 8,  'B', 8                         }},
00084     {PIX_FMT_RGB444BE,{'F', 4,  'R', 4,  'G', 4, 'B', 4                 }},
00085     {PIX_FMT_RGB48BE, {'R', 8,  'r', 8,  'G', 8, 'g', 8, 'B', 8, 'b', 8 }},
00086     {PIX_FMT_RGB48BE, {'R', 16, 'G', 16, 'B', 16                        }},
00087     {PIX_FMT_RGB48LE, {'r', 8,  'R', 8,  'g', 8, 'G', 8, 'b', 8, 'B', 8 }},
00088     {PIX_FMT_RGB555BE,{'F', 1,  'R', 5,  'G', 5, 'B', 5                 }},
00089     {PIX_FMT_RGB565BE,{'R', 5,  'G', 6,  'B', 5                         }},
00090     {PIX_FMT_RGBA,    {'R', 8,  'G', 8,  'B', 8, 'A', 8                 }},
00091     {PIX_FMT_PAL8,    {'P', 8                                           }},
00092 };
00093 
00094 static const int num_pixel_layouts = FF_ARRAY_ELEMS(ff_mxf_pixel_layouts);
00095 
00096 int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum PixelFormat *pix_fmt)
00097 {
00098     int x;
00099 
00100     for(x = 0; x < num_pixel_layouts; x++) {
00101         if (!memcmp(pixel_layout, ff_mxf_pixel_layouts[x].data, 16)) {
00102             *pix_fmt = ff_mxf_pixel_layouts[x].pix_fmt;
00103             return 0;
00104         }
00105     }
00106 
00107     return -1;
00108 }
00109 
00110 static const MXFSamplesPerFrame mxf_samples_per_frames[] = {
00111     { { 1001, 24000 }, { 2002, 0,    0,    0,    0,    0 } }, // FILM 23.976
00112     { { 1, 24},        { 2000, 0,    0,    0,    0,    0 } }, // FILM 24
00113     { { 1001, 30000 }, { 1602, 1601, 1602, 1601, 1602, 0 } }, // NTSC 29.97
00114     { { 1001, 60000 }, { 801,  801,  801,  801,  800,  0 } }, // NTSC 59.94
00115     { { 1, 25 },       { 1920, 0,    0,    0,    0,    0 } }, // PAL 25
00116     { { 1, 50 },       { 960,  0,    0,    0,    0,    0 } }, // PAL 50
00117 };
00118 
00119 const MXFSamplesPerFrame *ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base)
00120 {
00121     int i;
00122     for (i = 0; i < FF_ARRAY_ELEMS(mxf_samples_per_frames); i++) {
00123         if (!av_cmp_q(mxf_samples_per_frames[i].time_base, time_base))
00124             return &mxf_samples_per_frames[i];
00125     }
00126 
00127     // Find closest container time base for approximative codec time base like 1/29.97, 1/30, ...
00128     for (i = 0; i < FF_ARRAY_ELEMS(mxf_samples_per_frames); i++) {
00129         if (fabs(av_q2d(mxf_samples_per_frames[i].time_base) - av_q2d(time_base)) < 0.0001) {
00130             av_log(s, AV_LOG_WARNING, "%d/%d input time base matched %d/%d container time base\n",
00131                    time_base.num, time_base.den,
00132                    mxf_samples_per_frames[i].time_base.num, mxf_samples_per_frames[i].time_base.den);
00133             return &mxf_samples_per_frames[i];
00134         }
00135     }
00136     return NULL;
00137 }