LCOV - code coverage report
Current view: top level - dom/media/mediasource - SourceBufferAttributes.h (source / functions) Hit Total Coverage
Test: output.info Lines: 0 57 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 23 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       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/. */
       6             : 
       7             : #ifndef mozilla_SourceBufferAttributes_h_
       8             : #define mozilla_SourceBufferAttributes_h_
       9             : 
      10             : #include "TimeUnits.h"
      11             : #include "mozilla/dom/SourceBufferBinding.h"
      12             : #include "mozilla/Maybe.h"
      13             : 
      14             : namespace mozilla {
      15             : 
      16           0 : class SourceBufferAttributes {
      17             : public:
      18             : 
      19             :   // Current state as per Segment Parser Loop Algorithm
      20             :   // http://w3c.github.io/media-source/index.html#sourcebuffer-segment-parser-loop
      21             :   enum class AppendState
      22             :   {
      23             :     WAITING_FOR_SEGMENT,
      24             :     PARSING_INIT_SEGMENT,
      25             :     PARSING_MEDIA_SEGMENT,
      26             :   };
      27             : 
      28           0 :   explicit SourceBufferAttributes(bool aGenerateTimestamp)
      29           0 :   : mGenerateTimestamps(aGenerateTimestamp)
      30             :   , mAppendWindowStart(0)
      31           0 :   , mAppendWindowEnd(PositiveInfinity<double>())
      32             :   , mAppendMode(dom::SourceBufferAppendMode::Segments)
      33             :   , mApparentTimestampOffset(0)
      34           0 :   , mAppendState(AppendState::WAITING_FOR_SEGMENT)
      35           0 :   {}
      36             : 
      37           0 :   SourceBufferAttributes(const SourceBufferAttributes& aOther) = default;
      38             : 
      39           0 :   double GetAppendWindowStart() const
      40             :   {
      41           0 :     return mAppendWindowStart;
      42             :   }
      43             : 
      44           0 :   double GetAppendWindowEnd() const
      45             :   {
      46           0 :     return mAppendWindowEnd;
      47             :   }
      48             : 
      49           0 :   void SetAppendWindowStart(double aWindowStart)
      50             :   {
      51           0 :     mAppendWindowStart = aWindowStart;
      52           0 :   }
      53             : 
      54           0 :   void SetAppendWindowEnd(double aWindowEnd)
      55             :   {
      56           0 :     mAppendWindowEnd = aWindowEnd;
      57           0 :   }
      58             : 
      59           0 :   double GetApparentTimestampOffset() const
      60             :   {
      61           0 :     return mApparentTimestampOffset;
      62             :   }
      63             : 
      64           0 :   void SetApparentTimestampOffset(double aTimestampOffset)
      65             :   {
      66           0 :     mApparentTimestampOffset = aTimestampOffset;
      67           0 :     mTimestampOffset = media::TimeUnit::FromSeconds(aTimestampOffset);
      68           0 :   }
      69             : 
      70           0 :   media::TimeUnit GetTimestampOffset() const
      71             :   {
      72           0 :     return mTimestampOffset;
      73             :   }
      74             : 
      75           0 :   void SetTimestampOffset(const media::TimeUnit& aTimestampOffset)
      76             :   {
      77           0 :     mTimestampOffset = aTimestampOffset;
      78           0 :     mApparentTimestampOffset = aTimestampOffset.ToSeconds();
      79           0 :   }
      80             : 
      81           0 :   dom::SourceBufferAppendMode GetAppendMode() const
      82             :   {
      83           0 :     return mAppendMode;
      84             :   }
      85             : 
      86           0 :   void SetAppendMode(dom::SourceBufferAppendMode aAppendMode)
      87             :   {
      88           0 :     mAppendMode = aAppendMode;
      89           0 :   }
      90             : 
      91           0 :   void SetGroupStartTimestamp(const media::TimeUnit& aGroupStartTimestamp)
      92             :   {
      93           0 :     mGroupStartTimestamp = Some(aGroupStartTimestamp);
      94           0 :   }
      95             : 
      96           0 :   media::TimeUnit GetGroupStartTimestamp() const
      97             :   {
      98           0 :     return mGroupStartTimestamp.ref();
      99             :   }
     100             : 
     101           0 :   bool HaveGroupStartTimestamp() const
     102             :   {
     103           0 :     return mGroupStartTimestamp.isSome();
     104             :   }
     105             : 
     106           0 :   void ResetGroupStartTimestamp()
     107             :   {
     108           0 :     mGroupStartTimestamp.reset();
     109           0 :   }
     110             : 
     111           0 :   void RestartGroupStartTimestamp()
     112             :   {
     113           0 :     mGroupStartTimestamp = Some(mGroupEndTimestamp);
     114           0 :   }
     115             : 
     116           0 :   media::TimeUnit GetGroupEndTimestamp() const
     117             :   {
     118           0 :     return mGroupEndTimestamp;
     119             :   }
     120             : 
     121           0 :   void SetGroupEndTimestamp(const media::TimeUnit& aGroupEndTimestamp)
     122             :   {
     123           0 :     mGroupEndTimestamp = aGroupEndTimestamp;
     124           0 :   }
     125             : 
     126           0 :   AppendState GetAppendState() const
     127             :   {
     128           0 :     return mAppendState;
     129             :   }
     130             : 
     131           0 :   void SetAppendState(AppendState aState)
     132             :   {
     133           0 :     mAppendState = aState;
     134           0 :   }
     135             : 
     136             :   // mGenerateTimestamp isn't mutable once the source buffer has been constructed
     137             :   bool mGenerateTimestamps;
     138             : 
     139             :   SourceBufferAttributes& operator=(const SourceBufferAttributes& aOther) = default;
     140             : 
     141             : private:
     142             :   SourceBufferAttributes() = delete;
     143             : 
     144             :   double mAppendWindowStart;
     145             :   double mAppendWindowEnd;
     146             :   dom::SourceBufferAppendMode mAppendMode;
     147             :   double mApparentTimestampOffset;
     148             :   media::TimeUnit mTimestampOffset;
     149             :   Maybe<media::TimeUnit> mGroupStartTimestamp;
     150             :   media::TimeUnit mGroupEndTimestamp;
     151             :   // The current append state as per https://w3c.github.io/media-source/#sourcebuffer-append-state
     152             :   AppendState mAppendState;
     153             : };
     154             : 
     155             : } // end namespace mozilla
     156             : 
     157             : #endif /* mozilla_SourceBufferAttributes_h_ */

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