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Code Issues Releases Activity

mxfdec: Improve parsing of the PixelLayout item

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Originally committed as revision 23898 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Tomas Härdin
2010-06-30 07:55:05 +00:00
parent 85b76ce990
commit 11fdc4d4fc
3 changed files with 62 additions and 14 deletions
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libavformat/mxf.c
+41
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@@ -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;
}