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      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 std::string (*FieldTrialFindFullName)(const std::string& trial_name);
     27 
     28 typedef cricket::MediaEngineInterface* (*CreateWebRtcMediaEngineFunction)(
     29     webrtc::AudioDeviceModule* adm,
     30     webrtc::AudioDeviceModule* adm_sc,
     31     cricket::WebRtcVideoEncoderFactory* encoder_factory,
     32     cricket::WebRtcVideoDecoderFactory* decoder_factory);
     33 
     34 typedef void (*DestroyWebRtcMediaEngineFunction)(
     35     cricket::MediaEngineInterface* media_engine);
     36 
     37 typedef void (*InitDiagnosticLoggingDelegateFunctionFunction)(
     38     void (*DelegateFunction)(const std::string&));
     39 
     40 // A typedef for the main initialize function in libpeerconnection.
     41 // This will initialize logging in the module with the proper arguments
     42 // as well as provide pointers back to a couple webrtc factory functions.
     43 // The reason we get pointers to these functions this way is to avoid having
     44 // to go through GetProcAddress et al and rely on specific name mangling.
     45 typedef bool (*InitializeModuleFunction)(
     46     const base::CommandLine& command_line,
     47 #if !defined(OS_MACOSX) && !defined(OS_ANDROID)
     48     AllocateFunction alloc,
     49     DellocateFunction dealloc,
     50 #endif
     51     FieldTrialFindFullName field_trial_find,
     52     logging::LogMessageHandlerFunction log_handler,
     53     webrtc::GetCategoryEnabledPtr trace_get_category_enabled,
     54     webrtc::AddTraceEventPtr trace_add_trace_event,
     55     CreateWebRtcMediaEngineFunction* create_media_engine,
     56     DestroyWebRtcMediaEngineFunction* destroy_media_engine,
     57     InitDiagnosticLoggingDelegateFunctionFunction* init_diagnostic_logging);
     58 
     59 #if !defined(LIBPEERCONNECTION_IMPLEMENTATION)
     60 // Load and initialize the shared WebRTC module (libpeerconnection).
     61 // Call this explicitly to load and initialize the WebRTC module (e.g. before
     62 // initializing the sandbox in Chrome).
     63 // If not called explicitly, this function will still be called from the main
     64 // CreateWebRtcMediaEngine factory function the first time it is called.
     65 bool InitializeWebRtcModule();
     66 #endif
     67 
     68 #endif // THIRD_PARTY_LIBJINGLE_OVERRIDES_INIT_WEBRTC_H_
     69