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lavu/frame: clarify doxy 

AVFrame.data[] elements not used by the format should ALWAYS be null,
hwaccel formats are not an exception.
This commit is contained in:
Anton Khirnov 2021-11-25 16:31:30 +01:00
parent 3b8efec3c5
commit 3a9861e22c
1 changed files with 1 additions and 2 deletions
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3
libavutil/frame.h
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@ -322,8 +322,7 @@ typedef struct AVFrame {
* up to 16 bytes beyond the planes, if these filters are to be used,
* then 16 extra bytes must be allocated.
*
* NOTE: Except for hwaccel formats, pointers not needed by the format
* MUST be set to NULL.
* NOTE: Pointers not needed by the format MUST be set to NULL.
*
* @attention In case of video, the data[] pointers can point to the
* end of image data in order to reverse line order, when used in