From e701cd96c2d5dc034e7615967d208db3d953e111 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 16 Apr 2013 15:22:56 +0200
Subject: [PATCH] avutil/avutil_version: Run checks just once
This ensures that applications that call avutil_version() often
would not run the checls every time
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavutil/utils.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavutil/utils.c b/libavutil/utils.c
index 8f83c02d83e..c157aa8e342 100644
--- a/libavutil/utils.c
+++ b/libavutil/utils.c
@@ -29,6 +29,10 @@
unsigned avutil_version(void)
{
+ static int checks_done;
+ if (checks_done)
+ return LIBAVUTIL_VERSION_INT;
+
av_assert0(AV_PIX_FMT_VDA_VLD == 81); //check if the pix fmt enum has not had anything inserted or removed by mistake
av_assert0(AV_SAMPLE_FMT_DBLP == 9);
av_assert0(AVMEDIA_TYPE_ATTACHMENT == 4);
@@ -42,7 +46,7 @@ unsigned avutil_version(void)
}
ff_check_pixfmt_descriptors();
-
+ checks_done = 1;
return LIBAVUTIL_VERSION_INT;
}
--
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