The Tor Browser: content/media/fmp4/PlatformDecoderModule.cpp@44a2da4a2ab2

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim:set ts=2 sw=2 sts=2 et cindent: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #include "PlatformDecoderModule.h"

     8 #ifdef XP_WIN

     9 #include "WMFDecoderModule.h"

    10 #endif

    11 #ifdef MOZ_FFMPEG

    12 #include "FFmpegDecoderModule.h"

    13 #endif

    14 #include "mozilla/Preferences.h"

    16 namespace mozilla {

    18 extern PlatformDecoderModule* CreateBlankDecoderModule();

    20 bool PlatformDecoderModule::sUseBlankDecoder = false;

    21 bool PlatformDecoderModule::sFFmpegDecoderEnabled = false;

    23 /* static */

    24 void

    25 PlatformDecoderModule::Init()

    26 {

    27   MOZ_ASSERT(NS_IsMainThread());

    28   static bool alreadyInitialized = false;

    29   if (alreadyInitialized) {

    30     return;

    31   }

    32   alreadyInitialized = true;

    34   Preferences::AddBoolVarCache(&sUseBlankDecoder,

    35                                "media.fragmented-mp4.use-blank-decoder");

    36   Preferences::AddBoolVarCache(&sFFmpegDecoderEnabled,

    37                                "media.fragmented-mp4.ffmpeg.enabled", false);

    39 #ifdef XP_WIN

    40   WMFDecoderModule::Init();

    41 #endif

    42 }

    44 /* static */

    45 PlatformDecoderModule*

    46 PlatformDecoderModule::Create()

    47 {

    48   if (sUseBlankDecoder) {

    49     return CreateBlankDecoderModule();

    50   }

    51 #ifdef XP_WIN

    52   nsAutoPtr<WMFDecoderModule> m(new WMFDecoderModule());

    53   if (NS_SUCCEEDED(m->Startup())) {

    54     return m.forget();

    55   }

    56 #endif

    57 #ifdef MOZ_FFMPEG

    58   if (sFFmpegDecoderEnabled) {

    59     return new FFmpegDecoderModule();

    60   }

    61 #endif

    62   return nullptr;

    63 }

    65 } // namespace mozilla

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