LCOV - code coverage report
Current view: top level - dom/media/ogg - OggDecoder.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 28 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 6 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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/. */
       6             : 
       7             : #include "MediaPrefs.h"
       8             : #include "MediaContainerType.h"
       9             : #include "MediaDecoderStateMachine.h"
      10             : #include "MediaFormatReader.h"
      11             : #include "OggDemuxer.h"
      12             : #include "OggDecoder.h"
      13             : 
      14             : namespace mozilla {
      15             : 
      16           0 : MediaDecoderStateMachine* OggDecoder::CreateStateMachine()
      17             : {
      18           0 :   RefPtr<OggDemuxer> demuxer = new OggDemuxer(mResource);
      19           0 :   MediaDecoderReaderInit init(this);
      20           0 :   init.mVideoFrameContainer = GetVideoFrameContainer();
      21           0 :   mReader = new MediaFormatReader(init, demuxer);
      22           0 :   demuxer->SetChainingEvents(&mReader->TimedMetadataProducer(),
      23           0 :                              &mReader->MediaNotSeekableProducer());
      24           0 :   return new MediaDecoderStateMachine(this, mReader);
      25             : }
      26             : 
      27             : /* static */
      28             : bool
      29           0 : OggDecoder::IsSupportedType(const MediaContainerType& aContainerType)
      30             : {
      31           0 :   if (!MediaPrefs::OggEnabled()) {
      32           0 :     return false;
      33             :   }
      34             : 
      35           0 :   if (aContainerType.Type() != MEDIAMIMETYPE("audio/ogg") &&
      36           0 :       aContainerType.Type() != MEDIAMIMETYPE("video/ogg") &&
      37           0 :       aContainerType.Type() != MEDIAMIMETYPE("application/ogg")) {
      38           0 :     return false;
      39             :   }
      40             : 
      41           0 :   const bool isOggVideo = (aContainerType.Type() != MEDIAMIMETYPE("audio/ogg"));
      42             : 
      43           0 :   const MediaCodecs& codecs = aContainerType.ExtendedType().Codecs();
      44           0 :   if (codecs.IsEmpty()) {
      45             :     // WebM guarantees that the only codecs it contained are vp8, vp9, opus or vorbis.
      46           0 :     return true;
      47             :   }
      48             :   // Verify that all the codecs specified are ones that we expect that
      49             :   // we can play.
      50           0 :   for (const auto& codec : codecs.Range()) {
      51           0 :     if ((IsOpusEnabled() && codec.EqualsLiteral("opus")) ||
      52           0 :         codec.EqualsLiteral("vorbis") ||
      53           0 :         (MediaPrefs::FlacInOgg() && codec.EqualsLiteral("flac"))) {
      54           0 :       continue;
      55             :     }
      56             :     // Note: Only accept Theora in a video container type, not in an audio
      57             :     // container type.
      58           0 :     if (isOggVideo && codec.EqualsLiteral("theora")) {
      59           0 :       continue;
      60             :     }
      61             :     // Some unsupported codec.
      62           0 :     return false;
      63             :   }
      64           0 :   return true;
      65             : }
      66             : 
      67             : } // namespace mozilla

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