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