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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filter_design.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/filter_design.txt b/doc/filter_design.txt index 772ca9dfb0..2f9e57d66a 100644 --- a/doc/filter_design.txt +++ b/doc/filter_design.txt @@ -29,6 +29,11 @@ Format negotiation same format amongst a supported list, all it has to do is use a reference to the same list of formats. + query_formats can leave some formats unset and return AVERROR(EAGAIN) to + cause the negotiation mechanism to try again later. That can be used by + filters with complex requirements to use the format negotiated on one link + to set the formats supported on another. + Buffer references ownership and permissions =========================================== |