From 5d2e36dc92637cf1cd59901381814b8751bbda15 Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Fri, 23 Jan 2004 19:13:02 +0000
Subject: [PATCH] Do not print warnings when identifying a file.

---
 src/common/common.cpp | 4 ++++
 src/common/common.h   | 1 +
 src/mkvmerge.cpp      | 1 +
 3 files changed, 6 insertions(+)

diff --git a/src/common/common.cpp b/src/common/common.cpp
index b5ef8e10f..01decbf1e 100644
--- a/src/common/common.cpp
+++ b/src/common/common.cpp
@@ -50,8 +50,10 @@ using namespace std;
 
 #include "common.h"
 #include "hacks.h"
+#include "mkvmerge.h"
 
 int verbose = 1;
+bool suppress_warnings = false;
 
 bitvalue_c::bitvalue_c(int nbitsize) {
   assert(nbitsize > 0);
@@ -1193,6 +1195,8 @@ static bool warning_issued = false;
 void mxwarn(const char *fmt, ...) {
   va_list ap;
 
+  if (suppress_warnings)
+    return;
   va_start(ap, fmt);
   mxmsg(MXMSG_WARNING, fmt, ap);
   va_end(ap);
diff --git a/src/common/common.h b/src/common/common.h
index b6433bbb2..b1511dbcd 100644
--- a/src/common/common.h
+++ b/src/common/common.h
@@ -84,6 +84,7 @@ using namespace std;
                         (int32_t)(t) % 1000
 #define ARG_TIMECODE_NS(t) ARG_TIMECODE(t / 1000000)
 
+extern bool MTX_DLL_API suppress_warnings;
 void MTX_DLL_API fix_format(const char *fmt, string &new_fmt);
 #if defined(__GNUC__)
 void MTX_DLL_API die(const char *fmt, ...)
diff --git a/src/mkvmerge.cpp b/src/mkvmerge.cpp
index 166f6e97f..cc08ed4a1 100644
--- a/src/mkvmerge.cpp
+++ b/src/mkvmerge.cpp
@@ -1248,6 +1248,7 @@ static void identify(const char *filename) {
 
   verbose = 0;
   identifying = true;
+  suppress_warnings = true;
   create_readers();
 
   file->reader->identify();