The Tor Browser: content/media/omx/MediaOmxDecoder.h@97036ab72558

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.

     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 file,

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

     6 #if !defined(MediaOmxDecoder_h_)

     7 #define MediaOmxDecoder_h_

     9 #include "base/basictypes.h"

    10 #include "MediaDecoder.h"

    11 #include "MediaOmxReader.h"

    12 #include "AudioOffloadPlayerBase.h"

    14 namespace mozilla {

    16 class MediaOmxDecoder : public MediaDecoder

    17 {

    18   typedef android::MediaSource MediaSource;

    19 public:

    20   MediaOmxDecoder();

    21   virtual MediaDecoder* Clone();

    22   virtual MediaDecoderStateMachine* CreateStateMachine();

    24   virtual void MetadataLoaded(int aChannels,

    25                               int aRate,

    26                               bool aHasAudio,

    27                               bool aHasVideo,

    28                               MetadataTags* aTags);

    29   virtual void ChangeState(PlayState aState);

    30   virtual void ApplyStateToStateMachine(PlayState aState);

    31   virtual void SetVolume(double aVolume);

    32   virtual void PlaybackPositionChanged();

    33   virtual void UpdateReadyStateForData();

    34   virtual void SetElementVisibility(bool aIsVisible);

    35   virtual void SetCanOffloadAudio(bool aCanOffloadAudio);

    36   virtual void AddOutputStream(ProcessedMediaStream* aStream,

    37                                bool aFinishWhenEnded);

    38   virtual void SetPlaybackRate(double aPlaybackRate);

    40   void AudioOffloadTearDown();

    41   int64_t GetSeekTime() { return mRequestedSeekTarget.mTime; }

    42   void ResetSeekTime() { mRequestedSeekTarget.Reset(); }

    44 private:

    45   void PauseStateMachine();

    46   void ResumeStateMachine();

    48   MediaOmxReader* mReader;

    50   // Offloaded audio track

    51   android::sp<MediaSource> mAudioTrack;

    53   nsAutoPtr<AudioOffloadPlayerBase> mAudioOffloadPlayer;

    55   // Set by MediaOmxReader to denote current track can be offloaded

    56   bool mCanOffloadAudio;

    58   // Set when offload playback of current track fails in the middle and need to

    59   // fallback to state machine

    60   bool mFallbackToStateMachine;

    61 };

    63 } // namespace mozilla

    65 #endif

The Tor Browser / file revision

content/media/omx/MediaOmxDecoder.h@97036ab72558

content/media/omx/MediaOmxDecoder.h