gecko/content/media/fmp4/PlatformDecoderModule.cpp

66 lines
1.6 KiB
C++

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