C++ (Cpp) ParseMoov Examples

Example #1

File: MoofParser.cpp Project: AtulKumar2/gecko-dev

bool
MoofParser::RebuildFragmentedIndex(BoxContext& aContext)
{
  bool foundValidMoof = false;

  for (Box box(&aContext, mOffset); box.IsAvailable(); box = box.Next()) {
    if (box.IsType("moov")) {
      mInitRange = MediaByteRange(0, box.Range().mEnd);
      ParseMoov(box);
    } else if (box.IsType("moof")) {
      Moof moof(box, mTrex, mMdhd, mEdts, mSinf, mIsAudio);

      if (!moof.IsValid() && !box.Next().IsAvailable()) {
        // Moof isn't valid abort search for now.
        break;
      }

      if (!mMoofs.IsEmpty()) {
        // Stitch time ranges together in the case of a (hopefully small) time
        // range gap between moofs.
        mMoofs.LastElement().FixRounding(moof);
      }

      mMoofs.AppendElement(moof);
      foundValidMoof = true;
    }
    mOffset = box.NextOffset();
  }
  return foundValidMoof;
}

Example #2

File: MoofParser.cpp Project: carriercomm/system-addons

bool
MoofParser::RebuildFragmentedIndex(BoxContext& aContext)
{
  bool foundValidMoof = false;
  bool foundMdat = false;

  for (Box box(&aContext, mOffset); box.IsAvailable(); box = box.Next()) {
    if (box.IsType("moov") && mInitRange.IsNull()) {
      mInitRange = MediaByteRange(0, box.Range().mEnd);
      ParseMoov(box);
    } else if (box.IsType("moof")) {
      Moof moof(box, mTrex, mMvhd, mMdhd, mEdts, mSinf, mIsAudio);

      if (!moof.IsValid() && !box.Next().IsAvailable()) {
        // Moof isn't valid abort search for now.
        break;
      }

      if (!mMoofs.IsEmpty()) {
        // Stitch time ranges together in the case of a (hopefully small) time
        // range gap between moofs.
        mMoofs.LastElement().FixRounding(moof);
      }

      mMoofs.AppendElement(moof);
      mMediaRanges.AppendElement(moof.mRange);
      foundValidMoof = true;
    } else if (box.IsType("mdat") && !Moofs().IsEmpty()) {
      // Check if we have all our data from last moof.
      Moof& moof = Moofs().LastElement();
      media::Interval<int64_t> datarange(moof.mMdatRange.mStart, moof.mMdatRange.mEnd, 0);
      media::Interval<int64_t> mdat(box.Range().mStart, box.Range().mEnd, 0);
      if (datarange.Intersects(mdat)) {
        mMediaRanges.LastElement() =
          mMediaRanges.LastElement().Extents(box.Range());
      }
    }
    mOffset = box.NextOffset();
  }
  return foundValidMoof;
}

Example #3

File: MoofParser.cpp Project: fatman2021/gecko-dev

void
MoofParser::RebuildFragmentedIndex(BoxContext& aContext)
{
  for (Box box(&aContext, mOffset); box.IsAvailable(); box = box.Next()) {
    if (box.IsType("moov")) {
      mInitRange = MediaByteRange(0, box.Range().mEnd);
      ParseMoov(box);
    } else if (box.IsType("moof")) {
      Moof moof(box, mTrex, mMdhd, mEdts, mSinf);

      if (!mMoofs.IsEmpty()) {
        // Stitch time ranges together in the case of a (hopefully small) time
        // range gap between moofs.
        mMoofs.LastElement().FixRounding(moof);
      }

      mMoofs.AppendElement(moof);
    }
    mOffset = box.NextOffset();
  }
}