summaryrefslogtreecommitdiff
path: root/libavfilter
diff options
context:
space:
mode:
authorVitor Sessak <vitor1001@gmail.com>2009-10-18 22:33:37 +0000
committerVitor Sessak <vitor1001@gmail.com>2009-10-18 22:33:37 +0000
commit9dd08b4e1ebc294848e69dd3e1d4eed19ffe5a90 (patch)
tree4bfb07924671f7140b1ac22e690e0b7e3271750d /libavfilter
parentb07781b6e4f6267f20aec4e7f1d390ddb223af46 (diff)
Fix recursive avfilter_poll_frame(). It was doing
min = FFMIN(min, avfilter_poll_frame(link->src->inputs[i])) which, since FFMIN is a macro, was calling itself twice for every input, causing an exponential cost in time. Originally committed as revision 20295 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavfilter')
-rw-r--r--libavfilter/avfilter.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 77c7571388..c68afad077 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -224,9 +224,11 @@ int avfilter_poll_frame(AVFilterLink *link)
return link_spad(link).poll_frame(link);
for (i=0; i<link->src->input_count; i++) {
+ int val;
if(!link->src->inputs[i])
return -1;
- min = FFMIN(min, avfilter_poll_frame(link->src->inputs[i]));
+ val = avfilter_poll_frame(link->src->inputs[i]);
+ min = FFMIN(min, val);
}
return min;