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avfilter: mark start_frame/end_frame/draw_slice as deprecated 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Anton Khirnov 2012-11-29 02:30:11 +01:00 committed by Michael Niedermayer
parent 502ecc9cc2
commit 9178235ffb
1 changed files with 3 additions and 27 deletions
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30
libavfilter/avfilter.h
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@ -274,20 +274,7 @@ struct AVFilterPad {
int rej_perms;
/**
* Callback called before passing the first slice of a new frame. If
* NULL, the filter layer will default to storing a reference to the
* picture inside the link structure.
*
* The reference given as argument is also available in link->cur_buf.
* It can be stored elsewhere or given away, but then clearing
* link->cur_buf is advised, as it is automatically unreferenced.
* The reference must not be unreferenced before end_frame(), as it may
* still be in use by the automatic copy mechanism.
*
* Input video pads only.
*
* @return >= 0 on success, a negative AVERROR on error. picref will be
* unreferenced by the caller in case of error.
* @deprecated unused
*/
int (*start_frame)(AVFilterLink *link, AVFilterBufferRef *picref);
@ -309,23 +296,12 @@ struct AVFilterPad {
int nb_samples);
/**
* Callback called after the slices of a frame are completely sent. If
* NULL, the filter layer will default to releasing the reference stored
* in the link structure during start_frame().
*
* Input video pads only.
*
* @return >= 0 on success, a negative AVERROR on error.
* @deprecated unused
*/
int (*end_frame)(AVFilterLink *link);
/**
* Slice drawing callback. This is where a filter receives video data
* and should do its processing.
*
* Input video pads only.
*
* @return >= 0 on success, a negative AVERROR on error.
* @deprecated unused
*/
int (*draw_slice)(AVFilterLink *link, int y, int height, int slice_dir);