Remove WelsStderrSetTraceLevel

The logging level is checked in welsCodecTrace anyway.

Previously, error logging wasn't ever shown if the trace
level was set to WELS_LOG_ERROR (as it was by default),
since welsStderrLevelTrace required the message level to
be strictly lower than the trace level.

codec/common/inc/logging.h

@@ -35,9 +35,6 @@
 #ifndef WELS_LOGGING_H__
 #define WELS_LOGGING_H__
 
-// API surface.
-void WelsStderrSetTraceLevel (int32_t level);
-
 
 // Internal details.
 int32_t welsStderrLevelTrace (int32_t level, const char* format, va_list ap);

codec/common/src/logging.cpp

@@ -35,15 +35,7 @@
 #include <stdio.h>
 #include "typedefs.h"
 
-static int32_t g_TraceLevel = 0;
-
-void WelsStderrSetTraceLevel (int32_t level) {
-  g_TraceLevel = level;
-}
-
 int32_t welsStderrLevelTrace (int32_t level, const char* format, va_list ap) {
-  if (level < g_TraceLevel) {
   vfprintf (stderr, format, ap);
-  }
   return 0;
 }

codec/common/src/welsCodecTrace.cpp

@@ -108,7 +108,6 @@ void welsCodecTrace::CODEC_TRACE (void* ignore, const int32_t iLevel, const char
 void welsCodecTrace::SetTraceLevel (const int32_t iLevel) {
   if (iLevel >= 0)
     m_iTraceLevel	= iLevel;
-  WelsStderrSetTraceLevel (iLevel);
 }