public void mfra_test()
{
//000000436d6672610000002b7466726101000000000000010000000000000001000000000000000000000000000002fc010101000000106d66726f0000000000000043
//00 00 00 43
//6d 66 72 61
//00 00 00 2b
//74 66 72 61
//01
//00 00 00
//00 00 00 01
//00 00 00 00
//00 00 00 01
//00 00 00 00 00 00 00 00
//00 00 00 00 00 00 02 fc
//01 01 01
//00 00 00 10
//6d 66 72 6f
//00
//00 00 00
//00 00 00 43
//mfra
MovieFragmentRandomAccessBox movieFragmentRandomAccessBox = new MovieFragmentRandomAccessBox();
//mfra->tfra
movieFragmentRandomAccessBox.TrackFragmentRandomAccessBox = new TrackFragmentRandomAccessBox(1);
movieFragmentRandomAccessBox.TrackFragmentRandomAccessBox.TrackID = 0x01;
movieFragmentRandomAccessBox.TrackFragmentRandomAccessBox.TrackFragmentRandomAccessInfos = new List <TrackFragmentRandomAccessBox.TrackFragmentRandomAccessInfo>();
TrackFragmentRandomAccessBox.TrackFragmentRandomAccessInfo trackFragmentRandomAccessInfo1 = new TrackFragmentRandomAccessBox.TrackFragmentRandomAccessInfo();
trackFragmentRandomAccessInfo1.Time = 0;
trackFragmentRandomAccessInfo1.MoofOffset = 0x00000000000002fc;
trackFragmentRandomAccessInfo1.TrafNumber = 0x01;
trackFragmentRandomAccessInfo1.TrunNumber = 0x01;
trackFragmentRandomAccessInfo1.SampleNumber = 0x01;
movieFragmentRandomAccessBox.TrackFragmentRandomAccessBox.TrackFragmentRandomAccessInfos.Add(trackFragmentRandomAccessInfo1);
//mfra->mfro
movieFragmentRandomAccessBox.MovieFragmentRandomAccessOffsetBox = new MovieFragmentRandomAccessOffsetBox(0);
movieFragmentRandomAccessBox.MovieFragmentRandomAccessOffsetBox.MfraSize = 0x00000043;
FMp4MessagePackWriter writer = new MessagePack.FMp4MessagePackWriter(new byte[0x00000043]);
movieFragmentRandomAccessBox.ToBuffer(ref writer);
var hex = writer.FlushAndGetArray().ToHexString();
Assert.Equal("000000436d6672610000002b7466726101000000000000010000000000000001000000000000000000000000000002fc010101000000106d66726f0000000000000043".ToUpper(), hex);
}
void ReadMP4Headers()
{
BoxType boxType;
while (this.boxReader.BaseStream.Position < this.boxReader.BaseStream.Length)
{
boxType = this.boxReader.PeekNextBoxType();
if (boxType == BoxTypes.Free)
{
FreeBox freeb = new FreeBox();
freeb.Read(this.boxReader);
//FreeBoxList.Add(freeb);
}
else if (boxType == BoxTypes.MediaData) // mdat
{
MediaDataBox mdb = new MediaDataBox();
mdb.Read(this.boxReader); // this doesn't really read all of mdat: payload is skipped
MediaDataBoxList.Add(mdb);
}
else if (boxType == BoxTypes.MovieFragmentRandomAccess)
{
MovieFragmentRandomAccessBox mfrab = new MovieFragmentRandomAccessBox();
mfrab.Read(this.boxReader);
}
else if (boxType == BoxTypes.Free)
{
FreeBox freeBox = new FreeBox();
freeBox.Read(this.boxReader);
}
else
{
// invalid box, just stop reading
break;
//Box box2 = new Box(boxType);
//box2.Read(this.boxReader);
//FreeBoxList.Add(box2);
//Debug.WriteLine(string.Format("Unknown BoxType: {0}", box2.Type.ToString()));
}
} // end of while
}
public void Test1()
{
var jT1078Package = ParseNALUTest();
H264Decoder decoder = new H264Decoder();
var nalus = decoder.ParseNALU(jT1078Package);
var spsNALU = nalus.FirstOrDefault(n => n.NALUHeader.NalUnitType == 7);
//SPS
spsNALU.RawData = decoder.DiscardEmulationPreventionBytes(spsNALU.RawData);
var ppsNALU = nalus.FirstOrDefault(n => n.NALUHeader.NalUnitType == 8);
ppsNALU.RawData = decoder.DiscardEmulationPreventionBytes(ppsNALU.RawData);
//ftyp
FileTypeBox fileTypeBox = new FileTypeBox();
fileTypeBox.MajorBrand = "isom";
fileTypeBox.MinorVersion = "\0\0\u0002\0";
fileTypeBox.CompatibleBrands.Add("isom");
fileTypeBox.CompatibleBrands.Add("iso6");
fileTypeBox.CompatibleBrands.Add("iso2");
fileTypeBox.CompatibleBrands.Add("avc1");
fileTypeBox.CompatibleBrands.Add("mp41");
//moov
MovieBox movieBox = new MovieBox();
movieBox.MovieHeaderBox = new MovieHeaderBox(0, 0);
movieBox.MovieHeaderBox.CreationTime = 0;
movieBox.MovieHeaderBox.ModificationTime = 0;
movieBox.MovieHeaderBox.Duration = 0;
movieBox.MovieHeaderBox.Timescale = 1000;
movieBox.MovieHeaderBox.NextTrackID = 2;
movieBox.TrackBox = new TrackBox();
movieBox.TrackBox.TrackHeaderBox = new TrackHeaderBox(0, 3);
movieBox.TrackBox.TrackHeaderBox.CreationTime = 0;
movieBox.TrackBox.TrackHeaderBox.ModificationTime = 0;
movieBox.TrackBox.TrackHeaderBox.TrackID = 1;
movieBox.TrackBox.TrackHeaderBox.Duration = 0;
movieBox.TrackBox.TrackHeaderBox.TrackIsAudio = false;
movieBox.TrackBox.TrackHeaderBox.Width = 352;
movieBox.TrackBox.TrackHeaderBox.Height = 288;
movieBox.TrackBox.MediaBox = new MediaBox();
movieBox.TrackBox.MediaBox.MediaHeaderBox = new MediaHeaderBox();
movieBox.TrackBox.MediaBox.MediaHeaderBox.CreationTime = 0;
movieBox.TrackBox.MediaBox.MediaHeaderBox.ModificationTime = 0;
movieBox.TrackBox.MediaBox.MediaHeaderBox.Timescale = 1200000;
movieBox.TrackBox.MediaBox.MediaHeaderBox.Duration = 0;
movieBox.TrackBox.MediaBox.HandlerBox = new HandlerBox();
movieBox.TrackBox.MediaBox.HandlerBox.HandlerType = HandlerType.vide;
movieBox.TrackBox.MediaBox.HandlerBox.Name = "VideoHandler";
movieBox.TrackBox.MediaBox.MediaInformationBox = new MediaInformationBox();
movieBox.TrackBox.MediaBox.MediaInformationBox.VideoMediaHeaderBox = new VideoMediaHeaderBox();
movieBox.TrackBox.MediaBox.MediaInformationBox.DataInformationBox = new DataInformationBox();
movieBox.TrackBox.MediaBox.MediaInformationBox.DataInformationBox.DataReferenceBox = new DataReferenceBox();
movieBox.TrackBox.MediaBox.MediaInformationBox.DataInformationBox.DataReferenceBox.DataEntryBoxes = new List <DataEntryBox>();
movieBox.TrackBox.MediaBox.MediaInformationBox.DataInformationBox.DataReferenceBox.DataEntryBoxes.Add(new DataEntryUrlBox(1));
movieBox.TrackBox.MediaBox.MediaInformationBox.SampleTableBox = new SampleTableBox();
movieBox.TrackBox.MediaBox.MediaInformationBox.SampleTableBox.SampleDescriptionBox = new SampleDescriptionBox(movieBox.TrackBox.MediaBox.HandlerBox.HandlerType);
movieBox.TrackBox.MediaBox.MediaInformationBox.SampleTableBox.SampleDescriptionBox.SampleEntries = new List <SampleEntry>();
AVC1SampleEntry avc1 = new AVC1SampleEntry();
avc1.AVCConfigurationBox = new AVCConfigurationBox();
//h264
avc1.Width = (ushort)movieBox.TrackBox.TrackHeaderBox.Width;
avc1.Height = (ushort)movieBox.TrackBox.TrackHeaderBox.Height;
//MSE codecs avc1.4D0014
//4D 00 14
//AVCProfileIndication profile_compability AVCLevelIndication
avc1.AVCConfigurationBox.AVCLevelIndication = 20;
avc1.AVCConfigurationBox.AVCProfileIndication = 77;
avc1.AVCConfigurationBox.PPSs = new List <byte[]>()
{
ppsNALU.RawData
};
avc1.AVCConfigurationBox.SPSs = new List <byte[]>()
{
spsNALU.RawData
};
avc1.AVCConfigurationBox.ProfileCompatibility = 0;
movieBox.TrackBox.MediaBox.MediaInformationBox.SampleTableBox.SampleDescriptionBox.SampleEntries.Add(avc1);
movieBox.TrackBox.MediaBox.MediaInformationBox.SampleTableBox.TimeToSampleBox = new TimeToSampleBox();
movieBox.TrackBox.MediaBox.MediaInformationBox.SampleTableBox.SampleToChunkBox = new SampleToChunkBox();
movieBox.TrackBox.MediaBox.MediaInformationBox.SampleTableBox.SampleSizeBox = new SampleSizeBox();
movieBox.TrackBox.MediaBox.MediaInformationBox.SampleTableBox.ChunkOffsetBox = new ChunkOffsetBox();
movieBox.MovieExtendsBox = new MovieExtendsBox();
movieBox.MovieExtendsBox.TrackExtendsBoxs = new List <TrackExtendsBox>();
TrackExtendsBox trex = new TrackExtendsBox();
trex.TrackID = 1;
trex.DefaultSampleDescriptionIndex = 1;
trex.DefaultSampleDuration = 0;
trex.DefaultSampleSize = 0;
trex.DefaultSampleFlags = 0;
movieBox.MovieExtendsBox.TrackExtendsBoxs.Add(trex);
//用户自定义可以不用
//movieBox.UserDataBox = new UserDataBox();
//movieBox.UserDataBox.Data = "0000005a6d657461000000000000002168646c7200000000000000006d6469726170706c0000000000000000000000002d696c737400000025a9746f6f0000001d6461746100000001000000004c61766635382e34352e313030".ToHexBytes();
//fragment moof n
List <FragmentBox> moofs = new List <FragmentBox>();
FragmentBox fragmentBox = new FragmentBox();
fragmentBox.MovieFragmentBox = new MovieFragmentBox();
fragmentBox.MovieFragmentBox.MovieFragmentHeaderBox = new MovieFragmentHeaderBox();
fragmentBox.MovieFragmentBox.MovieFragmentHeaderBox.SequenceNumber = 1;
fragmentBox.MovieFragmentBox.TrackFragmentBox = new TrackFragmentBox();
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox = new TrackFragmentHeaderBox(0x39);
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.TrackID = 1;
//todo:BaseDataOffset
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.BaseDataOffset = 0x000000000000028b;
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.DefaultSampleDuration = 48000;
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.DefaultSampleSize = (uint)jT1078Package.Bodies.Length;
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackFragmentHeaderBox.DefaultSampleFlags = 0x1010000;
//fragmentBox.MovieFragmentBox.TrackFragmentBox.SampleDependencyTypeBox = new SampleDependencyTypeBox();
//fragmentBox.MovieFragmentBox.TrackFragmentBox.SampleDependencyTypeBox.SampleDependencyTypes = new List<SampleDependencyTypeBox.SampleDependencyType>();
//todo:fragmentBox.MovieFragmentBox.TrackFragmentBox.SampleDependencyTypeBox.SampleDependencyTypes
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackFragmentBaseMediaDecodeTimeBox = new TrackFragmentBaseMediaDecodeTimeBox();
//todo:BaseMediaDecodeTime
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackFragmentBaseMediaDecodeTimeBox.BaseMediaDecodeTime = 0;
//trun
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackRunBox = new TrackRunBox(flags: 0x5);
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackRunBox.DataOffset = 120;
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackRunBox.FirstSampleFlags = 0;
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackRunBox.TrackRunInfos = new List <TrackRunBox.TrackRunInfo>();
fragmentBox.MovieFragmentBox.TrackFragmentBox.TrackRunBox.TrackRunInfos.Add(new TrackRunBox.TrackRunInfo());
fragmentBox.MediaDataBox = new MediaDataBox();
fragmentBox.MediaDataBox.Data = nalus
.Select(s => s.RawData)
.ToList();
moofs.Add(fragmentBox);
//mfra
MovieFragmentRandomAccessBox movieFragmentRandomAccessBox = new MovieFragmentRandomAccessBox();
//mfra->tfra
movieFragmentRandomAccessBox.TrackFragmentRandomAccessBox = new TrackFragmentRandomAccessBox(1);
movieFragmentRandomAccessBox.TrackFragmentRandomAccessBox.TrackID = 0x01;
movieFragmentRandomAccessBox.TrackFragmentRandomAccessBox.TrackFragmentRandomAccessInfos = new List <TrackFragmentRandomAccessBox.TrackFragmentRandomAccessInfo>();
TrackFragmentRandomAccessBox.TrackFragmentRandomAccessInfo trackFragmentRandomAccessInfo1 = new TrackFragmentRandomAccessBox.TrackFragmentRandomAccessInfo();
trackFragmentRandomAccessInfo1.Time = 0;
//todo:MoofOffset
trackFragmentRandomAccessInfo1.MoofOffset = 0x000000000000028b;
trackFragmentRandomAccessInfo1.TrafNumber = 0x01;
trackFragmentRandomAccessInfo1.TrunNumber = 0x01;
trackFragmentRandomAccessInfo1.SampleNumber = 0x01;
movieFragmentRandomAccessBox.TrackFragmentRandomAccessBox.TrackFragmentRandomAccessInfos.Add(trackFragmentRandomAccessInfo1);
//mfra->mfro
movieFragmentRandomAccessBox.MovieFragmentRandomAccessOffsetBox = new MovieFragmentRandomAccessOffsetBox(0);
//todo:MfraSize
movieFragmentRandomAccessBox.MovieFragmentRandomAccessOffsetBox.MfraSize = 0x00000043;
FMp4Box fMp4Box = new FMp4Box();
fMp4Box.FileTypeBox = fileTypeBox;
fMp4Box.MovieBox = movieBox;
fMp4Box.FragmentBoxs = moofs;
fMp4Box.MovieFragmentRandomAccessBox = movieFragmentRandomAccessBox;
FMp4MessagePackWriter writer = new FMp4MessagePackWriter(new byte[65535]);
fMp4Box.ToBuffer(ref writer);
var buffer = writer.FlushAndGetArray();
var filepath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "H264", "JT1078_1.mp4");
if (File.Exists(filepath))
{
File.Delete(filepath);
}
using var fileStream = new FileStream(filepath, FileMode.OpenOrCreate, FileAccess.Write);
fileStream.Write(buffer);
fileStream.Close();
}
