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| author | Tomas Härdin <tomas.hardin@codemill.se> | 2010-06-30 07:55:05 +0000 |
|---|---|---|
| committer | Tomas Härdin <tomas.hardin@codemill.se> | 2010-06-30 07:55:05 +0000 |
| commit | 11fdc4d4fcd1eecd4912354ecbc2c6a8dc97635c (patch) | |
| tree | c89214f676eddd47b71bd393f14054d1f48910e6 /libavformat/mxf.c | |
| parent | 85b76ce9901120b7a2ed9ab607dff8daa43e1b0d (diff) | |
| download | ffmpeg-11fdc4d4fcd1eecd4912354ecbc2c6a8dc97635c.tar.gz | |
mxfdec: Improve parsing of the PixelLayout item
Originally committed as revision 23898 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/mxf.c')
| -rw-r--r-- | libavformat/mxf.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libavformat/mxf.c b/libavformat/mxf.c index 452ee6ddfe..c7423b0b62 100644 --- a/libavformat/mxf.c +++ b/libavformat/mxf.c @@ -51,3 +51,44 @@ const MXFCodecUL ff_mxf_codec_uls[] = { //{ { 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; +} |