Hi!
Attached patch is supposed to fix an issue reported by Blake Senftner
on libav-user.
Please comment, Carl Eugen
From dbb730692ebb81377bc3db0df50b3c32ca0def16 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceho...@ag.or.at>
Date: Tue, 20 Dec 2016 03:11:54 +0100
Subject: [PATCH] lavu/internal: Never use %t or %z format specifiers, not
even with mingw.
Fixes using an av_log() callback with mingw libraries in Visual Studio.
---
configure | 2 ++
libavutil/internal.h | 3 +++
2 files changed, 5 insertions(+)
diff --git a/configure b/configure
index 9dfd006..70993de 100755
--- a/configure
+++ b/configure
@@ -2052,6 +2052,8 @@ HAVE_LIST="
dos_paths
dxva2_lib
dxva2api_cobj
+ libc_mingw32
+ libc_mingw64
libc_msvcrt
libdc1394_1
libdc1394_2
diff --git a/libavutil/internal.h b/libavutil/internal.h
index e995af9..e994e8a 100644
--- a/libavutil/internal.h
+++ b/libavutil/internal.h
@@ -245,6 +245,9 @@ void avpriv_request_sample(void *avc,
#define avpriv_open ff_open
#define avpriv_tempfile ff_tempfile
+#endif
+
+#if HAVE_LIBC_MSVCRT || HAVE_LIBC_MINGW32 || HAVE_LIBC_MINGW64
#define PTRDIFF_SPECIFIER "Id"
#define SIZE_SPECIFIER "Iu"
#else
--
1.7.10.4
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