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FFmpeg/libavformat/mxf.c
Tomas Härdin 11fdc4d4fc mxfdec: Improve parsing of the PixelLayout item 
Originally committed as revision 23898 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-30 07:55:05 +00:00

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/*
* MXF
* Copyright (c) 2006 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* 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.
*
* FFmpeg is distributed in the hope that it will be useful,
* 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
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "mxf.h"
/**
* SMPTE RP224 http://www.smpte-ra.org/mdd/index.html
*/
const MXFCodecUL ff_mxf_data_definition_uls[] = {
{ { 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 },
};
const MXFCodecUL ff_mxf_codec_uls[] = {
/* PictureEssenceCoding */
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, 14, CODEC_ID_MPEG2VIDEO }, /* MP@ML Long GoP */
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, 14, CODEC_ID_MPEG2VIDEO }, /* D-10 50Mbps PAL */
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, 14, CODEC_ID_MPEG2VIDEO }, /* MP@HL Long GoP */
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, 14, CODEC_ID_MPEG2VIDEO }, /* 422P@HL I-Frame */
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x20,0x02,0x03 }, 14, CODEC_ID_MPEG4 }, /* XDCAM proxy_pal030926.mxf */
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 }, 13, CODEC_ID_DVVIDEO }, /* DV25 IEC PAL */
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14, CODEC_ID_JPEG2000 }, /* JPEG2000 Codestream */
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13, CODEC_ID_RAWVIDEO }, /* Uncompressed */
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x03,0x02,0x00,0x00 }, 14, CODEC_ID_DNXHD }, /* SMPTE VC-3/DNxHD */
/* SoundEssenceCompression */
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, 13, CODEC_ID_PCM_S16LE }, /* Uncompressed */
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x7F,0x00,0x00,0x00 }, 13, CODEC_ID_PCM_S16LE },
{ { 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 */
{ { 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 */
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x01,0x00 }, 15, CODEC_ID_AC3 },
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x05,0x00 }, 15, CODEC_ID_MP2 }, /* MP2 or MP3 */
//{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x1C,0x00 }, 15, CODEC_ID_DOLBY_E }, /* Dolby-E */
{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, CODEC_ID_NONE },
};
const MXFPixelLayout ff_mxf_pixel_layouts[] = {
/**
* 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.
*/
{PIX_FMT_ABGR, {'A', 8, 'B', 8, 'G', 8, 'R', 8 }},
{PIX_FMT_ARGB, {'A', 8, 'R', 8, 'G', 8, 'B', 8 }},
{PIX_FMT_BGR24, {'B', 8, 'G', 8, 'R', 8 }},
{PIX_FMT_BGRA, {'B', 8, 'G', 8, 'R', 8, 'A', 8 }},
{PIX_FMT_RGB24, {'R', 8, 'G', 8, 'B', 8 }},
{PIX_FMT_RGB444BE,{'F', 4, 'R', 4, 'G', 4, 'B', 4 }},
{PIX_FMT_RGB48BE, {'R', 8, 'r', 8, 'G', 8, 'g', 8, 'B', 8, 'b', 8 }},
{PIX_FMT_RGB48BE, {'R', 16, 'G', 16, 'B', 16 }},
{PIX_FMT_RGB48LE, {'r', 8, 'R', 8, 'g', 8, 'G', 8, 'b', 8, 'B', 8 }},
{PIX_FMT_RGB555BE,{'F', 1, 'R', 5, 'G', 5, 'B', 5 }},
{PIX_FMT_RGB565BE,{'R', 5, 'G', 6, 'B', 5 }},
{PIX_FMT_RGBA, {'R', 8, 'G', 8, 'B', 8, 'A', 8 }},
{PIX_FMT_PAL8, {'P', 8 }},
};
static const int num_pixel_layouts = sizeof(ff_mxf_pixel_layouts) / sizeof(*ff_mxf_pixel_layouts);
int ff_mxf_decode_pixel_layout(const char pixel_layout[16], enum PixelFormat *pix_fmt)
{
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;
}
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