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doc/filter_design: fix a few other typo.

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Clément Bœsch 2012-05-16 00:39:07 +02:00
parent a28aa76ac8
commit a48abf5e26
1 changed files with 4 additions and 4 deletions
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8
doc/filter_design.txt
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@ -59,9 +59,9 @@ Frame scheduling
filter; these buffered frames must be flushed immediately if a new input
produces new output.
( Example: framerate-doubling filter: start_frame must (1) flush the
second copy of the previous frame, it it is stille there, (2) push the
first copy of the incoming frame, (3) keep the second copy for later. )
(Example: framerate-doubling filter: start_frame must (1) flush the
second copy of the previous frame, if it is still there, (2) push the
first copy of the incoming frame, (3) keep the second copy for later.)
If the input frame is not enough to produce output, the filter must not
call request_frame to get more. It must just process the frame or queue
@ -89,7 +89,7 @@ Frame scheduling
Return values:
if request_frame could produce a frame, it should return 0;
if it could not for temporary reasons, it should return AVERROR(EAGAIN);
if it could not because there are no more frames, it shous return
if it could not because there are no more frames, it should return
AVERROR_EOF.
The typical implementation of request_frame for a filter with several