content/media/BufferDecoder.cpp@97036ab72558 (annotated)
content/media/BufferDecoder.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: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| 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 "BufferDecoder.h" |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nsISupports.h" |
| michael@0 | 10 | #include "MediaResource.h" |
| michael@0 | 11 | |
| michael@0 | 12 | namespace mozilla { |
| michael@0 | 13 | |
| michael@0 | 14 | #ifdef PR_LOGGING |
| michael@0 | 15 | extern PRLogModuleInfo* gMediaDecoderLog; |
| michael@0 | 16 | #endif |
| michael@0 | 17 | |
| michael@0 | 18 | NS_IMPL_ISUPPORTS0(BufferDecoder) |
| michael@0 | 19 | |
| michael@0 | 20 | BufferDecoder::BufferDecoder(MediaResource* aResource) |
| michael@0 | 21 | : mReentrantMonitor("BufferDecoder") |
| michael@0 | 22 | , mResource(aResource) |
| michael@0 | 23 | { |
| michael@0 | 24 | MOZ_ASSERT(NS_IsMainThread()); |
| michael@0 | 25 | MOZ_COUNT_CTOR(BufferDecoder); |
| michael@0 | 26 | #ifdef PR_LOGGING |
| michael@0 | 27 | if (!gMediaDecoderLog) { |
| michael@0 | 28 | gMediaDecoderLog = PR_NewLogModule("MediaDecoder"); |
| michael@0 | 29 | } |
| michael@0 | 30 | #endif |
| michael@0 | 31 | } |
| michael@0 | 32 | |
| michael@0 | 33 | BufferDecoder::~BufferDecoder() |
| michael@0 | 34 | { |
| michael@0 | 35 | // The dtor may run on any thread, we cannot be sure. |
| michael@0 | 36 | MOZ_COUNT_DTOR(BufferDecoder); |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | void |
| michael@0 | 40 | BufferDecoder::BeginDecoding(nsIThread* aDecodeThread) |
| michael@0 | 41 | { |
| michael@0 | 42 | MOZ_ASSERT(!mDecodeThread && aDecodeThread); |
| michael@0 | 43 | mDecodeThread = aDecodeThread; |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | ReentrantMonitor& |
| michael@0 | 47 | BufferDecoder::GetReentrantMonitor() |
| michael@0 | 48 | { |
| michael@0 | 49 | return mReentrantMonitor; |
| michael@0 | 50 | } |
| michael@0 | 51 | |
| michael@0 | 52 | bool |
| michael@0 | 53 | BufferDecoder::IsShutdown() const |
| michael@0 | 54 | { |
| michael@0 | 55 | // BufferDecoder cannot be shut down. |
| michael@0 | 56 | return false; |
| michael@0 | 57 | } |
| michael@0 | 58 | |
| michael@0 | 59 | bool |
| michael@0 | 60 | BufferDecoder::OnStateMachineThread() const |
| michael@0 | 61 | { |
| michael@0 | 62 | // BufferDecoder doesn't have the concept of a state machine. |
| michael@0 | 63 | return true; |
| michael@0 | 64 | } |
| michael@0 | 65 | |
| michael@0 | 66 | bool |
| michael@0 | 67 | BufferDecoder::OnDecodeThread() const |
| michael@0 | 68 | { |
| michael@0 | 69 | MOZ_ASSERT(mDecodeThread, "Forgot to call BeginDecoding?"); |
| michael@0 | 70 | return IsCurrentThread(mDecodeThread); |
| michael@0 | 71 | } |
| michael@0 | 72 | |
| michael@0 | 73 | MediaResource* |
| michael@0 | 74 | BufferDecoder::GetResource() const |
| michael@0 | 75 | { |
| michael@0 | 76 | return mResource; |
| michael@0 | 77 | } |
| michael@0 | 78 | |
| michael@0 | 79 | void |
| michael@0 | 80 | BufferDecoder::NotifyBytesConsumed(int64_t aBytes, int64_t aOffset) |
| michael@0 | 81 | { |
| michael@0 | 82 | // ignore |
| michael@0 | 83 | } |
| michael@0 | 84 | |
| michael@0 | 85 | void |
| michael@0 | 86 | BufferDecoder::NotifyDecodedFrames(uint32_t aParsed, uint32_t aDecoded) |
| michael@0 | 87 | { |
| michael@0 | 88 | // ignore |
| michael@0 | 89 | } |
| michael@0 | 90 | |
| michael@0 | 91 | int64_t |
| michael@0 | 92 | BufferDecoder::GetEndMediaTime() const |
| michael@0 | 93 | { |
| michael@0 | 94 | // unknown |
| michael@0 | 95 | return -1; |
| michael@0 | 96 | } |
| michael@0 | 97 | |
| michael@0 | 98 | int64_t |
| michael@0 | 99 | BufferDecoder::GetMediaDuration() |
| michael@0 | 100 | { |
| michael@0 | 101 | // unknown |
| michael@0 | 102 | return -1; |
| michael@0 | 103 | } |
| michael@0 | 104 | |
| michael@0 | 105 | void |
| michael@0 | 106 | BufferDecoder::SetMediaDuration(int64_t aDuration) |
| michael@0 | 107 | { |
| michael@0 | 108 | // ignore |
| michael@0 | 109 | } |
| michael@0 | 110 | |
| michael@0 | 111 | void |
| michael@0 | 112 | BufferDecoder::UpdateEstimatedMediaDuration(int64_t aDuration) |
| michael@0 | 113 | { |
| michael@0 | 114 | // ignore |
| michael@0 | 115 | } |
| michael@0 | 116 | |
| michael@0 | 117 | void |
| michael@0 | 118 | BufferDecoder::SetMediaSeekable(bool aMediaSeekable) |
| michael@0 | 119 | { |
| michael@0 | 120 | // ignore |
| michael@0 | 121 | } |
| michael@0 | 122 | |
| michael@0 | 123 | void |
| michael@0 | 124 | BufferDecoder::SetTransportSeekable(bool aTransportSeekable) |
| michael@0 | 125 | { |
| michael@0 | 126 | // ignore |
| michael@0 | 127 | } |
| michael@0 | 128 | |
| michael@0 | 129 | VideoFrameContainer* |
| michael@0 | 130 | BufferDecoder::GetVideoFrameContainer() |
| michael@0 | 131 | { |
| michael@0 | 132 | // no video frame |
| michael@0 | 133 | return nullptr; |
| michael@0 | 134 | } |
| michael@0 | 135 | |
| michael@0 | 136 | layers::ImageContainer* |
| michael@0 | 137 | BufferDecoder::GetImageContainer() |
| michael@0 | 138 | { |
| michael@0 | 139 | // no image container |
| michael@0 | 140 | return nullptr; |
| michael@0 | 141 | } |
| michael@0 | 142 | |
| michael@0 | 143 | bool |
| michael@0 | 144 | BufferDecoder::IsTransportSeekable() |
| michael@0 | 145 | { |
| michael@0 | 146 | return false; |
| michael@0 | 147 | } |
| michael@0 | 148 | |
| michael@0 | 149 | bool |
| michael@0 | 150 | BufferDecoder::IsMediaSeekable() |
| michael@0 | 151 | { |
| michael@0 | 152 | return false; |
| michael@0 | 153 | } |
| michael@0 | 154 | |
| michael@0 | 155 | void |
| michael@0 | 156 | BufferDecoder::MetadataLoaded(int aChannels, int aRate, bool aHasAudio, bool aHasVideo, MetadataTags* aTags) |
| michael@0 | 157 | { |
| michael@0 | 158 | // ignore |
| michael@0 | 159 | } |
| michael@0 | 160 | |
| michael@0 | 161 | void |
| michael@0 | 162 | BufferDecoder::QueueMetadata(int64_t aTime, int aChannels, int aRate, bool aHasAudio, bool aHasVideo, MetadataTags* aTags) |
| michael@0 | 163 | { |
| michael@0 | 164 | // ignore |
| michael@0 | 165 | } |
| michael@0 | 166 | |
| michael@0 | 167 | void |
| michael@0 | 168 | BufferDecoder::SetMediaEndTime(int64_t aTime) |
| michael@0 | 169 | { |
| michael@0 | 170 | // ignore |
| michael@0 | 171 | } |
| michael@0 | 172 | |
| michael@0 | 173 | void |
| michael@0 | 174 | BufferDecoder::UpdatePlaybackPosition(int64_t aTime) |
| michael@0 | 175 | { |
| michael@0 | 176 | // ignore |
| michael@0 | 177 | } |
| michael@0 | 178 | |
| michael@0 | 179 | void |
| michael@0 | 180 | BufferDecoder::OnReadMetadataCompleted() |
| michael@0 | 181 | { |
| michael@0 | 182 | // ignore |
| michael@0 | 183 | } |
| michael@0 | 184 | |
| michael@0 | 185 | void |
| michael@0 | 186 | BufferDecoder::NotifyWaitingForResourcesStatusChanged() |
| michael@0 | 187 | { |
| michael@0 | 188 | // ignore |
| michael@0 | 189 | } |
| michael@0 | 190 | |
| michael@0 | 191 | MediaDecoderOwner* |
| michael@0 | 192 | BufferDecoder::GetOwner() |
| michael@0 | 193 | { |
| michael@0 | 194 | // unknown |
| michael@0 | 195 | return nullptr; |
| michael@0 | 196 | } |
| michael@0 | 197 | |
| michael@0 | 198 | } // namespace mozilla |
