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avutil/pixfmt: make luma sample positions even more explicit in the AVChromaLocation ASCII art

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-21 12:44:23 +02:00
parent b95df4c371
commit 8a141ad5e8
1 changed files with 7 additions and 4 deletions
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11
libavutil/pixfmt.h
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@ -534,10 +534,13 @@ enum AVColorRange {
* image, the left shows only luma, the right
* shows the location of the chroma sample, the 2 could be imagined to overlay
* each other but are drawn seperately due to limitations of ASCII
* ______ ______
* |X X ... |3 4 X ... X are luma samples,
* | |1 2 1-6 are possible chroma positions
* |X X ... |5 6 X ... 0 is undefined/unknown position
*
* 1st 2nd 1st 2nd luma sample positions
* v v v v
* ______ ______
*1st luma line > |X X ... |3 4 X ... X are luma samples,
* | |1 2 1-6 are possible chroma positions
*2nd luma line > |X X ... |5 6 X ... 0 is undefined/unknown position
*/
enum AVChromaLocation {
AVCHROMA_LOC_UNSPECIFIED = 0,