public void moof_test()
{
//000006d8747261660000002474666864000000390000000100000000000002fc0000bb80000066ee01010000
//00 00 06 d8
//74 72 61 66
//00 00 00 24
//74 66 68 64
//00
//00 00 39
//00 00 00 01
//00 00 00 00 00 00 02 fc
//00 00 bb 80
//00 00 66 ee
//01 01 00 00
//moof
MovieFragmentBox movieFragmentBox = new MovieFragmentBox();
//moof->mfhd
movieFragmentBox.MovieFragmentHeaderBox = new MovieFragmentHeaderBox();
movieFragmentBox.MovieFragmentHeaderBox.SequenceNumber = 0x01;
//moof->traf
movieFragmentBox.TrackFragmentBox = new TrackFragmentBox();
//moof->traf->tfhd
movieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox = new TrackFragmentHeaderBox(0x000039);
movieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.TrackID = 0x01;
movieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.BaseDataOffset = 0x00000000000002fc;
movieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.DefaultSampleDuration = 0x0000bb80;
movieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.DefaultSampleSize = 0x000066ee;
movieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.DefaultSampleFlags = 0x01010000;
//moof->tfdt
movieFragmentBox.TrackFragmentBox.TrackFragmentBaseMediaDecodeTimeBox = new TrackFragmentBaseMediaDecodeTimeBox();
//todo:moof->trun
movieFragmentBox.TrackFragmentBox.TrackRunBox = new TrackRunBox(0, 0x00000305);
}
/// <summary>
/// </summary>
/// <param name="boxBytes"></param>
/// <param name="start"></param>
/// <param name="finish"></param>
public Fragment(byte[] boxBytes, int start, int finish)
{
while (start < finish)
{
var mp4Box = Mp4Utils.GetBox(boxBytes, ref start, finish);
switch (mp4Box?.Mp4Identifier)
{
case null:
continue;
case Mp4Identifier.Mdat:
MediaDataBox = mp4Box as MediaDataBox;
break;
case Mp4Identifier.Moof:
MovieFragmentBox = mp4Box as MovieFragmentBox;
break;
}
}
}
public void moof_test()
{
//000006d8747261660000002474666864000000390000000100000000000002fc0000bb80000066ee01010000
//00 00 06 d8
//74 72 61 66
//00 00 00 24
//74 66 68 64
//00
//00 00 39
//00 00 00 01
//00 00 00 00 00 00 02 fc
//00 00 bb 80
//00 00 66 ee
//01 01 00 00
//moof
MovieFragmentBox movieFragmentBox = new MovieFragmentBox();
//moof->mfhd
movieFragmentBox.MovieFragmentHeaderBox = new MovieFragmentHeaderBox();
movieFragmentBox.MovieFragmentHeaderBox.SequenceNumber = 0x01;
//moof->traf
movieFragmentBox.TrackFragmentBox = new TrackFragmentBox();
//moof->traf->tfhd
movieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox = new TrackFragmentHeaderBox(0x000039);
movieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.TrackID = 0x01;
movieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.BaseDataOffset = 0x00000000000002fc;
movieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.DefaultSampleDuration = 0x0000bb80;
movieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.DefaultSampleSize = 0x000066ee;
movieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.DefaultSampleFlags = 0x01010000;
//moof->tfdt
movieFragmentBox.TrackFragmentBox.TrackFragmentBaseMediaDecodeTimeBox = new TrackFragmentBaseMediaDecodeTimeBox();
//moof->trun
//000006987472756E00000305000000D0000006F802000000
//00 00 06 98
//74 72 75 6E
//00
//00 03 05
//00 00 00 D0 SampleCount
//00 00 06 F8 DataOffset
//02 00 00 00 FirstSampleFlags
//fragmented_demo_trun.txt TrackRunInfos
movieFragmentBox.TrackFragmentBox.TrackRunBox = new TrackRunBox(0, 0x00000305);
movieFragmentBox.TrackFragmentBox.TrackRunBox.SampleCount = 0x000000D0;
movieFragmentBox.TrackFragmentBox.TrackRunBox.DataOffset = 0x000006F8;
movieFragmentBox.TrackFragmentBox.TrackRunBox.FirstSampleFlags = 0x02000000;
movieFragmentBox.TrackFragmentBox.TrackRunBox.TrackRunInfos = new List <TrackRunBox.TrackRunInfo>();
var lines = File.ReadAllLines(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "FMP4", "fragmented_demo_trun.txt"));
var buffers = lines.Where(w => !string.IsNullOrEmpty(w)).Select(s => s.ToHexBytes()).ToList();
//SampleDuration
//SampleSize
foreach (var buffer in buffers)
{
var mod = buffer.Length / 8;
for (int i = 0; i < mod; i++)
{
TrackRunBox.TrackRunInfo trackRunInfo = new TrackRunBox.TrackRunInfo();
trackRunInfo.SampleDuration = BinaryPrimitives.ReadUInt32BigEndian(buffer.Skip(i * 4).Take(4).ToArray());
trackRunInfo.SampleSize = BinaryPrimitives.ReadUInt32BigEndian(buffer.Skip((i + 1) * 4).Take(4).ToArray());
movieFragmentBox.TrackFragmentBox.TrackRunBox.TrackRunInfos.Add(trackRunInfo);
}
}
Assert.Equal(0x00000698, movieFragmentBox.TrackFragmentBox.TrackRunBox.TrackRunInfos.Count * 8 + 4 * 6);
}
