Enable logging for media_bench.

media/tools/media_bench/media_bench.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Standalone benchmarking application based on FFmpeg.  This tool is used to
 // measure decoding performance between different FFmpeg compile and run-time
 // options.  We also use this tool to measure performance regressions when
 // testing newer builds of FFmpeg from trunk.
 
 #include "build/build_config.h"
@@ skipping 71 matching lines @@
 }
 
 void LeaveTimingSection() {
 }
 #endif
 
 int main(int argc, const char** argv) {
   base::AtExitManager exit_manager;
 
   CommandLine::Init(argc, argv);
+
+  logging::InitLogging(
+      NULL,
+      logging::LOG_ONLY_TO_SYSTEM_DEBUG_LOG,
+      logging::LOCK_LOG_FILE,  // Ignored.
+      logging::DELETE_OLD_LOG_FILE,  // Ignored.
+      logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS);
+
   const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
-
   const CommandLine::StringVector& filenames = cmd_line->GetArgs();
   if (filenames.empty()) {
     std::cerr << "Usage: " << argv[0] << " [OPTIONS] FILE [DUMPFILE]\n"
               << "  --stream=[audio|video]          "
               << "Benchmark either the audio or video stream\n"
               << "  --video-threads=N               "
               << "Decode video using N threads\n"
               << "  --verbose=N                     "
               << "Set FFmpeg log verbosity (-8 to 48)\n"
               << "  --frames=N                      "
@@ skipping 11 matching lines @@
               << "  --md5                           "
               << "Hash decoded buffers (MD5)\n"
               << "  --skip=[1|2|3]                  "
               << "1=loop nonref, 2=loop, 3= frame nonref\n" << std::endl;
     return 1;
   }
 
   // Initialize our media library (try loading DLLs, etc.) before continuing.
   // We use an empty file path as the parameter to force searching of the
   // default locations for necessary DLLs and DSOs.
-  if (media::InitializeMediaLibrary(FilePath()) == false) {
-    std::cerr << "Unable to initialize the media library.";
+  if (!media::InitializeMediaLibrary(FilePath())) {
+    std::cerr << "Unable to initialize the media library." << std::endl;
     return 1;
   }
 
   // Retrieve command line options.
   FilePath in_path(filenames[0]);
   FilePath out_path;
   if (filenames.size() > 1)
     out_path = FilePath(filenames[1]);
   AVMediaType target_codec = AVMEDIA_TYPE_UNKNOWN;
 
@@ skipping 450 matching lines @@
 #if defined(ENABLE_WINDOWS_EXCEPTIONS)
   } __except(EXCEPTION_EXECUTE_HANDLER) {
     *log_out << "  Exception:" << std::setw(11) << GetExceptionCode()
              << " " << in_path.value() << std::endl;
     return 1;
   }
 #endif
   CommandLine::Reset();
   return 0;
 }