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avutil/imgutils: add utility to get plane sizes

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This utility helps avoid undefined behavior when doing things like
checking how much memory we need to allocate for an image before we have
allocated a buffer.

Signed-off-by: Brian Kim <bkkim@google.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Brian Kim
2020-07-13 10:09:37 -07:00
committed by James Almer
parent b5f1e057e1
commit 3a8e927176
4 changed files with 94 additions and 25 deletions
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doc/APIchanges
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@@ -15,6 +15,9 @@ libavutil: 2017-10-21
API changes, most recent first:
2020-07-xx - xxxxxxxxxx - lavu 56.56.100 - imgutils.h
Add av_image_fill_plane_sizes().
2020-07-xx - xxxxxxxxxx - lavc 58.96.100 - packet.h
Add AV_PKT_DATA_S12M_TIMECODE.