public void CanReadMp4()
{
using (var stream = File.Open(TestHelper.GetTestFilePath("chicago.mp4"), FileMode.Open))
{
var reader = new BmffReader(stream);
var boxes = reader.RootBoxes;
var ftpy = (FileTypeBox)boxes[0];
var moov = (MovieBox)boxes[1];
var free = (FreeSpaceBox)boxes[2];
var mdat = (MovieDataBox)boxes[3];
// File Type
Assert.Equal(0u, ftpy.Offset);
Assert.Equal(32u, ftpy.ContentOffset);
Assert.Equal(Guid.Parse("70797466-1100-1000-8000-00aa00389b71"), ftpy.Type.UserType);
// Movie
Assert.Equal(3, moov.Children.Count);
// FreeSpace
Assert.Equal(982u, free.ContentOffset);
// Movie Data
Assert.Equal(990u, mdat.ContentOffset);
Assert.Equal(1314169u, mdat.ContentSize);
}
}
public void CanReadMp4Segment()
{
using (var stream = File.Open(TestHelper.GetTestFilePath("0_000.m4s"), FileMode.Open))
{
var reader = new BmffReader(stream);
var boxes = reader.RootBoxes;
var styp = (SegmentTypeBox)reader.RootBoxes[0];
var sidx_1 = (SegmentIndexBox)reader.RootBoxes[1]; // Video
var sidx_2 = (SegmentIndexBox)reader.RootBoxes[2]; // Audio
var moof = (MovieFragmentBox)reader.RootBoxes[3];
var mdat = (MovieDataBox)reader.RootBoxes[4];
Assert.Equal(0ul, styp.Offset.Value);
Assert.Equal(24u, styp.Size);
Assert.Equal("msdh", styp.MajorBrand.ToString());
Assert.Equal(new[] { "msdh", "msix" }, styp.CompatibleBrands.Select(b => b.ToString()).ToArray());
Assert.Equal(1, sidx_1.Version);
Assert.Equal(1u, sidx_1.ReferenceId);
Assert.Equal(24000u, sidx_1.Timescale);
Assert.Equal(2002ul, sidx_1.EarliestPresentationTime);
Assert.Equal(52ul, sidx_1.FirstOffset);
Assert.Equal(1, sidx_1.ReferenceCount);
Assert.Equal((false, 198178u, 48048u, true, 0u, 0u), (
sidx_1.Entries[0].ReferenceType,
sidx_1.Entries[0].ReferenceSize,
sidx_1.Entries[0].Duration,
sidx_1.Entries[0].StartWithSap,
sidx_1.Entries[0].SapType,
sidx_1.Entries[0].SapDeltaTime));
Assert.Equal(1, sidx_2.Version);
Assert.Equal(2u, sidx_2.ReferenceId);
Assert.Equal(44100u, sidx_2.Timescale);
Assert.Equal(2655u, sidx_2.EarliestPresentationTime);
Assert.Equal(0ul, sidx_2.FirstOffset);
Assert.Equal(1, sidx_2.ReferenceCount);
Assert.Equal(86016u, sidx_2.Entries[0].Duration);
}
}
