third_party/libjingle/overrides/initialize_module.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "allocator_shim/allocator_stub.h"
   6 #include "base/command_line.h"
   7 #include "base/files/file_path.h"
   8 #include "base/logging.h"
   9 #include "init_webrtc.h"
  10 #include "talk/base/basictypes.h"
  11 #include "talk/media/webrtc/webrtcmediaengine.h"
  12
  13 #if !defined(LIBPEERCONNECTION_IMPLEMENTATION) || defined(LIBPEERCONNECTION_LIB)
  14 #error "Only compile the allocator proxy with the shared_library implementation"
  15 #endif
  16
  17 #if defined(OS_WIN)
  18 #define ALLOC_EXPORT __declspec(dllexport)
  19 #else
  20 #define ALLOC_EXPORT __attribute__((visibility("default")))
  21 #endif
  22
  23 #if !defined(OS_MACOSX) && !defined(OS_ANDROID)
  24 // These are used by our new/delete overrides in
  25 // allocator_shim/allocator_proxy.cc
  26 AllocateFunction g_alloc = NULL;
  27 DellocateFunction g_dealloc = NULL;
  28 #endif
  29
  30 // Forward declare of the libjingle internal factory and destroy methods for the
  31 // WebRTC media engine.
  32 cricket::MediaEngineInterface* CreateWebRtcMediaEngine(
  33     webrtc::AudioDeviceModule* adm,
  34     webrtc::AudioDeviceModule* adm_sc,
  35     cricket::WebRtcVideoEncoderFactory* encoder_factory,
  36     cricket::WebRtcVideoDecoderFactory* decoder_factory);
  37
  38 void DestroyWebRtcMediaEngine(cricket::MediaEngineInterface* media_engine);
  39
  40 extern "C" {
  41
  42 // Initialize logging, set the forward allocator functions (not on mac), and
  43 // return pointers to libjingle's WebRTC factory methods.
  44 // Called from init_webrtc.cc.
  45 ALLOC_EXPORT
  46 bool InitializeModule(const CommandLine& command_line,
  47 #if !defined(OS_MACOSX) && !defined(OS_ANDROID)
  48                       AllocateFunction alloc,
  49                       DellocateFunction dealloc,
  50 #endif
  51                       logging::LogMessageHandlerFunction log_handler,
  52                       webrtc::GetCategoryEnabledPtr trace_get_category_enabled,
  53                       webrtc::AddTraceEventPtr trace_add_trace_event,
  54                       CreateWebRtcMediaEngineFunction* create_media_engine,
  55                       DestroyWebRtcMediaEngineFunction* destroy_media_engine) {
  56 #if !defined(OS_MACOSX) && !defined(OS_ANDROID)
  57   g_alloc = alloc;
  58   g_dealloc = dealloc;
  59 #endif
  60
  61   *create_media_engine = &CreateWebRtcMediaEngine;
  62   *destroy_media_engine = &DestroyWebRtcMediaEngine;
  63
  64   if (CommandLine::Init(0, NULL)) {
  65 #if !defined(OS_WIN)
  66     // This is not needed on Windows since CommandLine::Init has already
  67     // done the equivalent thing via the GetCommandLine() API.
  68     CommandLine::ForCurrentProcess()->AppendArguments(command_line, true);
  69 #endif
  70     logging::LoggingSettings settings;
  71     settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
  72     logging::InitLogging(settings);
  73
  74     // Override the log message handler to forward logs to chrome's handler.
  75     logging::SetLogMessageHandler(log_handler);
  76     webrtc::SetupEventTracer(trace_get_category_enabled,
  77                              trace_add_trace_event);
  78   }
  79
  80   return true;
  81 }
  82 }  // extern "C"