michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "PlatformDecoderModule.h"
michael@0: #ifdef XP_WIN
michael@0: #include "WMFDecoderModule.h"
michael@0: #endif
michael@0: #ifdef MOZ_FFMPEG
michael@0: #include "FFmpegDecoderModule.h"
michael@0: #endif
michael@0: #include "mozilla/Preferences.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: extern PlatformDecoderModule* CreateBlankDecoderModule();
michael@0: 
michael@0: bool PlatformDecoderModule::sUseBlankDecoder = false;
michael@0: bool PlatformDecoderModule::sFFmpegDecoderEnabled = false;
michael@0: 
michael@0: /* static */
michael@0: void
michael@0: PlatformDecoderModule::Init()
michael@0: {
michael@0:   MOZ_ASSERT(NS_IsMainThread());
michael@0:   static bool alreadyInitialized = false;
michael@0:   if (alreadyInitialized) {
michael@0:     return;
michael@0:   }
michael@0:   alreadyInitialized = true;
michael@0: 
michael@0:   Preferences::AddBoolVarCache(&sUseBlankDecoder,
michael@0:                                "media.fragmented-mp4.use-blank-decoder");
michael@0:   Preferences::AddBoolVarCache(&sFFmpegDecoderEnabled,
michael@0:                                "media.fragmented-mp4.ffmpeg.enabled", false);
michael@0: 
michael@0: #ifdef XP_WIN
michael@0:   WMFDecoderModule::Init();
michael@0: #endif
michael@0: }
michael@0: 
michael@0: /* static */
michael@0: PlatformDecoderModule*
michael@0: PlatformDecoderModule::Create()
michael@0: {
michael@0:   if (sUseBlankDecoder) {
michael@0:     return CreateBlankDecoderModule();
michael@0:   }
michael@0: #ifdef XP_WIN
michael@0:   nsAutoPtr<WMFDecoderModule> m(new WMFDecoderModule());
michael@0:   if (NS_SUCCEEDED(m->Startup())) {
michael@0:     return m.forget();
michael@0:   }
michael@0: #endif
michael@0: #ifdef MOZ_FFMPEG
michael@0:   if (sFFmpegDecoderEnabled) {
michael@0:     return new FFmpegDecoderModule();
michael@0:   }
michael@0: #endif
michael@0:   return nullptr;
michael@0: }
michael@0: 
michael@0: } // namespace mozilla