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JT1078
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将1078转fmp4_16 

ff播放不了，vlc可播放，MSE可播放
master
SmallChi(Koike) 4 years ago
parent
463bea9769
commit
89cabade08
3 changed files with 4 additions and 156 deletions
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  1. +1
    -0
      src/JT1078.FMp4.Test/JT1078ToFMp4Box_Test.cs
  2. +3
    -138
      src/JT1078.FMp4/FMp4Encoder.cs
  3. +0
    -18
      src/JT1078.FMp4/JT1078.FMp4.xml

+ 1
- 0
src/JT1078.FMp4.Test/JT1078ToFMp4Box_Test.cs View File

@@ -466,6 +466,7 @@ namespace JT1078.FMp4.Test
{
if (nalu.Slice)
{
//H264 NALU slice first_mb_in_slice
nalus.Add(nalu);
}
else


+ 3
- 138
src/JT1078.FMp4/FMp4Encoder.cs View File

@@ -30,46 +30,6 @@ namespace JT1078.FMp4
/// </summary>
public class FMp4Encoder
{
readonly H264Decoder h264Decoder;

/// <summary>
///
/// </summary>
public FMp4Encoder()
{
h264Decoder = new H264Decoder();
}

/// <summary>
/// styp
/// </summary>
/// <returns></returns>
public byte[] EncoderStypBox()
{
byte[] buffer = FMp4ArrayPool.Rent(1024);
FMp4MessagePackWriter writer = new FMp4MessagePackWriter(buffer);
try
{
//styp
SegmentTypeBox stypTypeBox = new SegmentTypeBox();
stypTypeBox.MajorBrand = "msdh";
stypTypeBox.MinorVersion = "\0\0\0\0";
stypTypeBox.CompatibleBrands.Add("isom");
stypTypeBox.CompatibleBrands.Add("mp42");
stypTypeBox.CompatibleBrands.Add("msdh");
stypTypeBox.CompatibleBrands.Add("msix");
stypTypeBox.CompatibleBrands.Add("iso5");
stypTypeBox.CompatibleBrands.Add("iso6");
stypTypeBox.ToBuffer(ref writer);
var data = writer.FlushAndGetArray();
return data;
}
finally
{
FMp4ArrayPool.Return(buffer);
}
}

/// <summary>
/// 编码ftyp盒子
/// </summary>
@@ -190,105 +150,8 @@ namespace JT1078.FMp4
}
}

/// <summary>
/// 编码首个视频盒子
/// </summary>
/// <param name="package">jt1078完整包</param>
/// <returns></returns>
public byte[] EncoderFirstVideoBox(JT1078Package package)
{
byte[] buffer = FMp4ArrayPool.Rent(package.Bodies.Length + 1024);
FMp4MessagePackWriter writer = new FMp4MessagePackWriter(buffer);
try
{
var nalus = h264Decoder.ParseNALU(package);
var spsNALU = nalus.FirstOrDefault(n => n.NALUHeader.NalUnitType == NalUnitType.SPS);
//SPS
spsNALU.RawData = h264Decoder.DiscardEmulationPreventionBytes(spsNALU.RawData);
var ppsNALU = nalus.FirstOrDefault(n => n.NALUHeader.NalUnitType == NalUnitType.PPS);
ppsNALU.RawData = h264Decoder.DiscardEmulationPreventionBytes(ppsNALU.RawData);
ExpGolombReader h264GolombReader = new ExpGolombReader(spsNALU.RawData);
var spsInfo = h264GolombReader.ReadSPS();
//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 = (uint)spsInfo.width;
movieBox.TrackBox.TrackHeaderBox.Height = (uint)spsInfo.height;
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.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;
avc1.AVCConfigurationBox.AVCLevelIndication = spsInfo.levelIdc;
avc1.AVCConfigurationBox.AVCProfileIndication = spsInfo.profileIdc;
avc1.AVCConfigurationBox.ProfileCompatibility = (byte)spsInfo.profileCompat;
avc1.AVCConfigurationBox.PPSs = new List<byte[]>() { ppsNALU.RawData };
avc1.AVCConfigurationBox.SPSs = new List<byte[]>() { spsNALU.RawData };
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);
fileTypeBox.ToBuffer(ref writer);
movieBox.ToBuffer(ref writer);
var data = writer.FlushAndGetArray();
return data;
}
finally
{
FMp4ArrayPool.Return(buffer);
}
}

uint sn = 1;

public ulong timestampCache = 0;

/// <summary>
@@ -317,6 +180,7 @@ namespace JT1078.FMp4
uint interval = (uint)(lastNalu.Timestamp - firstNalu.Timestamp);
int iSize = nalus.Where(w => w.DataType == Protocol.Enums.JT1078DataType.视频I帧)
.Sum(s => s.RawData.Length + s.StartCodePrefix.Length);

List<int> sizes = new List<int>();
sizes.Add(iSize);
sizes = sizes.Concat(nalus.Where(w => w.DataType != Protocol.Enums.JT1078DataType.视频I帧)
@@ -361,6 +225,7 @@ namespace JT1078.FMp4
SampleSize = (uint)size,
});
}

movieFragmentBox.ToBuffer(ref writer);
timestampCache += (uint)(sizes.Count * 48000);



+ 0
- 18
src/JT1078.FMp4/JT1078.FMp4.xml View File

@@ -1320,17 +1320,6 @@
ref: https://www.w3.org/TR/mse-byte-stream-format-isobmff/#movie-fragment-relative-addressing
</summary>
</member>
<member name="M:JT1078.FMp4.FMp4Encoder.#ctor">
<summary>
</summary>
</member>
<member name="M:JT1078.FMp4.FMp4Encoder.EncoderStypBox">
<summary>
styp
</summary>
<returns></returns>
</member>
<member name="M:JT1078.FMp4.FMp4Encoder.EncoderFtypBox">
<summary>
编码ftyp盒子
@@ -1343,13 +1332,6 @@
</summary>
<returns></returns>
</member>
<member name="M:JT1078.FMp4.FMp4Encoder.EncoderFirstVideoBox(JT1078.Protocol.JT1078Package)">
<summary>
编码首个视频盒子
</summary>
<param name="package">jt1078完整包</param>
<returns></returns>
</member>
<member name="M:JT1078.FMp4.FMp4Encoder.EncoderOtherVideoBox(System.Collections.Generic.List{JT1078.Protocol.H264.H264NALU})">
<summary>
编码其他视频数据盒子


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