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3a994ca4
编写于
10月 22, 2007
作者:
D
Diego Biurrun
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差异文件
Clarify comment block and rewrite in better English.
Originally committed as revision 10837 to
svn://svn.ffmpeg.org/ffmpeg/trunk
上级
8622613d
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1
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libavcodec/mpegvideo.c
libavcodec/mpegvideo.c
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未找到文件。
libavcodec/mpegvideo.c
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3a994ca4
...
...
@@ -843,17 +843,17 @@ int ff_find_unused_picture(MpegEncContext *s, int shared){
}
av_log
(
s
->
avctx
,
AV_LOG_FATAL
,
"Internal error, picture buffer overflow
\n
"
);
/*
we could return -1 but the codec would crash anyway, trying to draw
into, a non existing frame, this is safer than waiting for a random crash
also the return of this is never usefull, a
encoder must only allocate
as many as allowed in the spec which has no relation to how many lavc
could allocate (and MAX_PICTURE_COUNT is always large enough for such
valid streams)
and a decoder has to check stream validity and remove frames if too many
reference frames are around. waiting for "OOM" is not correct at all, i
t
similarely has to replace missing reference frames by (interpolated/MC)
frames
anything else is a bug in the codec ...
*/
/*
We could return -1, but the codec would crash trying to draw into a
* non-existing frame anyway. This is safer than waiting for a random crash.
* Also the return of this is never useful, an
encoder must only allocate
* as much as allowed in the specification. This has no relationship to how
* much libavcodec could allocate (and MAX_PICTURE_COUNT is always large
* enough for such valid streams).
* Plus, a decoder has to check stream validity and remove frames if too
* many reference frames are around. Waiting for "OOM" is not correct a
t
* all. Similarly, missing reference frames have to be replaced by
* interpolated/MC frames,
anything else is a bug in the codec ...
*/
abort
();
return
-
1
;
}
...
...
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