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 <string>
   9
  10 #include "allocator_shim/allocator_stub.h"
  11 #include "base/logging.h"
  12 #include "third_party/webrtc/system_wrappers/interface/event_tracer.h"
  13
  14 namespace base {
  15 class CommandLine;
  16 }
  17
  18 namespace cricket {
  19 class MediaEngineInterface;
  20 class WebRtcVideoDecoderFactory;
  21 class WebRtcVideoEncoderFactory;
  22 }  // namespace cricket
  23
  24 namespace webrtc {
  25 class AudioDeviceModule;
  26 }  // namespace webrtc
  27
  28 typedef std::string (*FieldTrialFindFullName)(const std::string& trial_name);
  29
  30 typedef cricket::MediaEngineInterface* (*CreateWebRtcMediaEngineFunction)(
  31     webrtc::AudioDeviceModule* adm,
  32     webrtc::AudioDeviceModule* adm_sc,
  33     cricket::WebRtcVideoEncoderFactory* encoder_factory,
  34     cricket::WebRtcVideoDecoderFactory* decoder_factory);
  35
  36 typedef void (*DestroyWebRtcMediaEngineFunction)(
  37     cricket::MediaEngineInterface* media_engine);
  38
  39 typedef void (*InitDiagnosticLoggingDelegateFunctionFunction)(
  40     void (*DelegateFunction)(const std::string&));
  41
  42 // A typedef for the main initialize function in libpeerconnection.
  43 // This will initialize logging in the module with the proper arguments
  44 // as well as provide pointers back to a couple webrtc factory functions.
  45 // The reason we get pointers to these functions this way is to avoid having
  46 // to go through GetProcAddress et al and rely on specific name mangling.
  47 typedef bool (*InitializeModuleFunction)(
  48     const base::CommandLine& command_line,
  49 #if !defined(OS_MACOSX) && !defined(OS_ANDROID)
  50     AllocateFunction alloc,
  51     DellocateFunction dealloc,
  52 #endif
  53     FieldTrialFindFullName field_trial_find,
  54     logging::LogMessageHandlerFunction log_handler,
  55     webrtc::GetCategoryEnabledPtr trace_get_category_enabled,
  56     webrtc::AddTraceEventPtr trace_add_trace_event,
  57     CreateWebRtcMediaEngineFunction* create_media_engine,
  58     DestroyWebRtcMediaEngineFunction* destroy_media_engine,
  59     InitDiagnosticLoggingDelegateFunctionFunction* init_diagnostic_logging);
  60
  61 #if !defined(LIBPEERCONNECTION_IMPLEMENTATION)
  62 // Load and initialize the shared WebRTC module (libpeerconnection).
  63 // Call this explicitly to load and initialize the WebRTC module (e.g. before
  64 // initializing the sandbox in Chrome).
  65 // If not called explicitly, this function will still be called from the main
  66 // CreateWebRtcMediaEngine factory function the first time it is called.
  67 bool InitializeWebRtcModule();
  68 #endif
  69
  70 #endif // THIRD_PARTY_LIBJINGLE_OVERRIDES_INIT_WEBRTC_H_