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, 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, 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, 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, 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,      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,    CODEC_ID_DVVIDEO }, /* DV25 IEC PAL */
00042     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14,   CODEC_ID_JPEG2000 }, /* JPEG2000 Codestream */
00043     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13,   CODEC_ID_RAWVIDEO }, /* Uncompressed */
00044     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x03,0x02,0x00,0x00 }, 14,      CODEC_ID_DNXHD }, /* SMPTE VC-3/DNxHD */
00045     /* SoundEssenceCompression */
00046     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, 13,  CODEC_ID_PCM_S16LE }, /* Uncompressed */
00047     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13,  CODEC_ID_PCM_S16LE },
00048     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x07,0x04,0x02,0x02,0x01,0x7E,0x00,0x00,0x00 }, 13,  CODEC_ID_PCM_S16BE }, /* From Omneon MXF file */
00049     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x04,0x04,0x02,0x02,0x02,0x03,0x01,0x01,0x00 }, 15,   CODEC_ID_PCM_ALAW }, /* XDCAM Proxy C0023S01.mxf */
00050     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x01,0x00 }, 15,        CODEC_ID_AC3 },
00051     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x05,0x00 }, 15,        CODEC_ID_MP2 }, /* MP2 or MP3 */
00052   //{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x1C,0x00 }, 15,    CODEC_ID_DOLBY_E }, /* Dolby-E */
00053     { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,       CODEC_ID_NONE },
00054 };
00055 
00056 static const struct {
00057     enum PixelFormat pix_fmt;
00058     const char data[16];
00059 } ff_mxf_pixel_layouts[] = {
00069     {PIX_FMT_ABGR,    {'A', 8,  'B', 8,  'G', 8, 'R', 8                 }},
00070     {PIX_FMT_ARGB,    {'A', 8,  'R', 8,  'G', 8, 'B', 8                 }},
00071     {PIX_FMT_BGR24,   {'B', 8,  'G', 8,  'R', 8                         }},
00072     {PIX_FMT_BGRA,    {'B', 8,  'G', 8,  'R', 8, 'A', 8                 }},
00073     {PIX_FMT_RGB24,   {'R', 8,  'G', 8,  'B', 8                         }},
00074     {PIX_FMT_RGB444BE,{'F', 4,  'R', 4,  'G', 4, 'B', 4                 }},
00075     {PIX_FMT_RGB48BE, {'R', 8,  'r', 8,  'G', 8, 'g', 8, 'B', 8, 'b', 8 }},
00076     {PIX_FMT_RGB48BE, {'R', 16, 'G', 16, 'B', 16                        }},
00077     {PIX_FMT_RGB48LE, {'r', 8,  'R', 8,  'g', 8, 'G', 8, 'b', 8, 'B', 8 }},
00078     {PIX_FMT_RGB555BE,{'F', 1,  'R', 5,  'G', 5, 'B', 5                 }},
00079     {PIX_FMT_RGB565BE,{'R', 5,  'G', 6,  'B', 5                         }},
00080     {PIX_FMT_RGBA,    {'R', 8,  'G', 8,  'B', 8, 'A', 8                 }},
00081     {PIX_FMT_PAL8,    {'P', 8                                           }},
00082 };
00083 
00084 static const int num_pixel_layouts = FF_ARRAY_ELEMS(ff_mxf_pixel_layouts);
00085 
00086 int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum PixelFormat *pix_fmt)
00087 {
00088     int x;
00089 
00090     for(x = 0; x < num_pixel_layouts; x++) {
00091         if (!memcmp(pixel_layout, ff_mxf_pixel_layouts[x].data, 16)) {
00092             *pix_fmt = ff_mxf_pixel_layouts[x].pix_fmt;
00093             return 0;
00094         }
00095     }
00096 
00097     return -1;
00098 }