third_party/libjingle/overrides/init_webrtc.h

   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 #ifndef THIRD_PARTY_LIBJINGLE_OVERRIDES_INIT_WEBRTC_H_
   6 #define THIRD_PARTY_LIBJINGLE_OVERRIDES_INIT_WEBRTC_H_
   7
   8 #include "allocator_shim/allocator_stub.h"
   9 #include "base/logging.h"
  10 #include "third_party/webrtc/system_wrappers/interface/event_tracer.h"
  11
  12 namespace base {
  13 class CommandLine;
  14 }
  15
  16 namespace cricket {
  17 class MediaEngineInterface;
  18 class WebRtcVideoDecoderFactory;
  19 class WebRtcVideoEncoderFactory;
  20 }  // namespace cricket
  21
  22 namespace webrtc {
  23 class AudioDeviceModule;
  24 }  // namespace webrtc
  25
  26 typedef cricket::MediaEngineInterface* (*CreateWebRtcMediaEngineFunction)(
  27     webrtc::AudioDeviceModule* adm,
  28     webrtc::AudioDeviceModule* adm_sc,
  29     cricket::WebRtcVideoEncoderFactory* encoder_factory,
  30     cricket::WebRtcVideoDecoderFactory* decoder_factory);
  31
  32 typedef void (*DestroyWebRtcMediaEngineFunction)(
  33     cricket::MediaEngineInterface* media_engine);
  34
  35 typedef void (*InitDiagnosticLoggingDelegateFunctionFunction)(
  36     void (*DelegateFunction)(const std::string&));
  37
  38 // A typedef for the main initialize function in libpeerconnection.
  39 // This will initialize logging in the module with the proper arguments
  40 // as well as provide pointers back to a couple webrtc factory functions.
  41 // The reason we get pointers to these functions this way is to avoid having
  42 // to go through GetProcAddress et al and rely on specific name mangling.
  43 typedef bool (*InitializeModuleFunction)(
  44     const base::CommandLine& command_line,
  45 #if !defined(OS_MACOSX) && !defined(OS_ANDROID)
  46     AllocateFunction alloc,
  47     DellocateFunction dealloc,
  48 #endif
  49     logging::LogMessageHandlerFunction log_handler,
  50     webrtc::GetCategoryEnabledPtr trace_get_category_enabled,
  51     webrtc::AddTraceEventPtr trace_add_trace_event,
  52     CreateWebRtcMediaEngineFunction* create_media_engine,
  53     DestroyWebRtcMediaEngineFunction* destroy_media_engine,
  54     InitDiagnosticLoggingDelegateFunctionFunction* init_diagnostic_logging);
  55
  56 #if !defined(LIBPEERCONNECTION_IMPLEMENTATION)
  57 // Load and initialize the shared WebRTC module (libpeerconnection).
  58 // Call this explicitly to load and initialize the WebRTC module (e.g. before
  59 // initializing the sandbox in Chrome).
  60 // If not called explicitly, this function will still be called from the main
  61 // CreateWebRtcMediaEngine factory function the first time it is called.
  62 bool InitializeWebRtcModule();
  63 #endif
  64
  65 #endif // THIRD_PARTY_LIBJINGLE_OVERRIDES_INIT_WEBRTC_H_