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pixdesc: Document the component order

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This commit is contained in:
Luca Barbato 2015-09-10 05:02:47 +02:00
parent c7ed26ad60
commit 7b02cb29d9
1 changed files with 7 additions and 0 deletions
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7
libavutil/pixdesc.h
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@ -108,6 +108,13 @@ typedef struct AVPixFmtDescriptor {
* Parameters that describe how pixels are packed. If the format * Parameters that describe how pixels are packed. If the format
* has chroma components, they must be stored in comp[1] and * has chroma components, they must be stored in comp[1] and
* comp[2]. * comp[2].
* If the format is RGB-like, the first component is R, followed
* by G and B.
*
* If the format is YUV-like, the first component is Y, followed
* by U and V.
*
* If present, the Alpha channel is always the last component.
*/ */
AVComponentDescriptor comp[4]; AVComponentDescriptor comp[4];