content/media/fmp4/ffmpeg/FFmpegDecoderModule.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #include "FFmpegRuntimeLinker.h"
michael@0 8 #include "FFmpegAACDecoder.h"
michael@0 9 #include "FFmpegH264Decoder.h"
michael@0 10
michael@0 11 #include "FFmpegDecoderModule.h"
michael@0 12
michael@0 13 namespace mozilla
michael@0 14 {
michael@0 15
michael@0 16 PRLogModuleInfo* GetFFmpegDecoderLog()
michael@0 17 {
michael@0 18 static PRLogModuleInfo* sFFmpegDecoderLog = nullptr;
michael@0 19 if (!sFFmpegDecoderLog) {
michael@0 20 sFFmpegDecoderLog = PR_NewLogModule("FFmpegDecoderModule");
michael@0 21 }
michael@0 22 return sFFmpegDecoderLog;
michael@0 23 }
michael@0 24
michael@0 25 bool FFmpegDecoderModule::sFFmpegLinkDone = false;
michael@0 26
michael@0 27 FFmpegDecoderModule::FFmpegDecoderModule()
michael@0 28 {
michael@0 29 MOZ_COUNT_CTOR(FFmpegDecoderModule);
michael@0 30 }
michael@0 31
michael@0 32 FFmpegDecoderModule::~FFmpegDecoderModule() {
michael@0 33 MOZ_COUNT_DTOR(FFmpegDecoderModule);
michael@0 34 }
michael@0 35
michael@0 36 bool
michael@0 37 FFmpegDecoderModule::Link()
michael@0 38 {
michael@0 39 if (sFFmpegLinkDone) {
michael@0 40 return true;
michael@0 41 }
michael@0 42
michael@0 43 if (!FFmpegRuntimeLinker::Link()) {
michael@0 44 NS_WARNING("Failed to link FFmpeg shared libraries.");
michael@0 45 return false;
michael@0 46 }
michael@0 47
michael@0 48 sFFmpegLinkDone = true;
michael@0 49
michael@0 50 return true;
michael@0 51 }
michael@0 52
michael@0 53 nsresult
michael@0 54 FFmpegDecoderModule::Shutdown()
michael@0 55 {
michael@0 56 // Nothing to do here.
michael@0 57 return NS_OK;
michael@0 58 }
michael@0 59
michael@0 60 MediaDataDecoder*
michael@0 61 FFmpegDecoderModule::CreateH264Decoder(
michael@0 62 const mp4_demuxer::VideoDecoderConfig& aConfig,
michael@0 63 mozilla::layers::LayersBackend aLayersBackend,
michael@0 64 mozilla::layers::ImageContainer* aImageContainer,
michael@0 65 MediaTaskQueue* aVideoTaskQueue, MediaDataDecoderCallback* aCallback)
michael@0 66 {
michael@0 67 FFMPEG_LOG("Creating FFmpeg H264 decoder.");
michael@0 68 return new FFmpegH264Decoder(aVideoTaskQueue, aCallback, aConfig,
michael@0 69 aImageContainer);
michael@0 70 }
michael@0 71
michael@0 72 MediaDataDecoder*
michael@0 73 FFmpegDecoderModule::CreateAACDecoder(
michael@0 74 const mp4_demuxer::AudioDecoderConfig& aConfig,
michael@0 75 MediaTaskQueue* aAudioTaskQueue, MediaDataDecoderCallback* aCallback)
michael@0 76 {
michael@0 77 FFMPEG_LOG("Creating FFmpeg AAC decoder.");
michael@0 78 return new FFmpegAACDecoder(aAudioTaskQueue, aCallback, aConfig);
michael@0 79 }
michael@0 80
michael@0 81 } // namespace mozilla

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