public void FlvEncoder_Test_1()
{
JT1078Package Package = null;
var lines = File.ReadAllLines(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "H264", "JT1078_1.txt"));
int mergeBodyLength = 0;
foreach (var line in lines)
{
var data = line.Split(',');
var bytes = data[6].ToHexBytes();
JT1078Package package = JT1078Serializer.Deserialize(bytes);
mergeBodyLength += package.DataBodyLength;
Package = JT1078Serializer.Merge(package);
}
Flv.H264.H264Decoder decoder = new Flv.H264.H264Decoder();
var nalus = decoder.ParseNALU(Package);
Assert.Equal(4, nalus.Count);
FlvEncoder encoder = new FlvEncoder();
var contents = encoder.CreateFlvFrame(nalus);
var filepath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "H264", "JT1078_1.flv");
if (File.Exists(filepath))
{
File.Delete(filepath);
}
File.WriteAllBytes(filepath, contents);
}
public void FlvEncoder_Test_4()
{
FileStream fileStream = null;
Flv.H264.H264Decoder decoder = new Flv.H264.H264Decoder();
List <H264NALU> h264NALULs = new List <H264NALU>();
FlvEncoder encoder = new FlvEncoder();
try
{
var filepath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "H264", "JT1078_4.flv");
var lines = File.ReadAllLines(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "H264", "JT1078_4.txt"));
if (File.Exists(filepath))
{
File.Delete(filepath);
}
JT1078Package Package = null;
foreach (var line in lines)
{
var data = line.Split(',');
var bytes = data[6].ToHexBytes();
JT1078Package package = JT1078Serializer.Deserialize(bytes);
Package = JT1078Serializer.Merge(package);
if (Package != null)
{
var tmp = decoder.ParseNALU(Package);
if (tmp != null && tmp.Count > 0)
{
h264NALULs = h264NALULs.Concat(tmp).ToList();
}
}
}
fileStream = new FileStream(filepath, FileMode.OpenOrCreate, FileAccess.Write);
fileStream.Write(FlvEncoder.VideoFlvHeaderBuffer);
var totalPage = (h264NALULs.Count + 10 - 1) / 10;
for (var i = 0; i < totalPage; i++)
{
var flv2 = encoder.CreateFlvFrame(h264NALULs.Skip(i * 10).Take(10).ToList());
if (flv2.Length != 0)
{
fileStream.Write(flv2);
}
}
}
catch (Exception ex)
{
Assert.Throws <Exception>(() => { });
}
finally
{
fileStream?.Close();
fileStream?.Dispose();
}
}
static FlvEncoder()
{
FlvHeader VideoFlvHeader = new FlvHeader(true, false);
VideoFlvHeaderBuffer = VideoFlvHeader.ToArray().ToArray();
PreviousTagSizeDict = new ConcurrentDictionary <string, uint>();
FrameInitDict = new ConcurrentDictionary <string, bool>();
H264Decoder = new Flv.H264.H264Decoder();
}
static FlvEncoder()
{
FlvHeader VideoFlvHeader = new FlvHeader(true, false);
VideoFlvHeaderBuffer = VideoFlvHeader.ToArray().ToArray();
VideoSPSDict = new ConcurrentDictionary <string, SPSInfo>();
FlvFrameInfoDict = new ConcurrentDictionary <string, FlvFrameInfo>();
FlvFirstFrameCache = new ConcurrentDictionary <string, byte[]>();
H264Decoder = new Flv.H264.H264Decoder();
}
public void ParseNALUTest2()
{
JT1078Package Package = null;
var lines = File.ReadAllLines(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "H264", "JT1078.txt"));
int mergeBodyLength = 0;
foreach (var line in lines)
{
var data = line.Split(',');
var bytes = data[5].ToHexBytes();
JT1078Package package = JT1078Serializer.Deserialize(bytes);
mergeBodyLength += package.DataBodyLength;
Package = JT1078Serializer.Merge(package);
}
Flv.H264.H264Decoder decoder = new Flv.H264.H264Decoder();
var nalus = decoder.ParseNALU(Package);
Assert.Equal(4, nalus.Count);
//SPS -> 7
var spsNALU = nalus.FirstOrDefault(n => n.NALUHeader.NalUnitType == 7);
Assert.NotNull(spsNALU);
spsNALU.RawData = decoder.DiscardEmulationPreventionBytes(spsNALU.RawData);
//"Z00AFJWoWCWQ"
var spsRawDataHex = JsonConvert.SerializeObject(spsNALU.RawData);
ExpGolombReader h264GolombReader = new ExpGolombReader(spsNALU.RawData);
//(77, 20, 0, 352, 288)
var spsInfo = h264GolombReader.ReadSPS();
Assert.Equal(77, spsInfo.profileIdc);
Assert.Equal(20, spsInfo.levelIdc);
Assert.Equal(0u, spsInfo.profileCompat);
Assert.Equal(288, spsInfo.height);
Assert.Equal(352, spsInfo.width);
//PPS -> 8
var ppsNALU = nalus.FirstOrDefault(n => n.NALUHeader.NalUnitType == 8);
Assert.NotNull(ppsNALU);
//IDR -> 5 关键帧
var idrNALU = nalus.FirstOrDefault(n => n.NALUHeader.NalUnitType == 5);
Assert.NotNull(idrNALU);
//SEI -> 6
var seiNALU = nalus.FirstOrDefault(n => n.NALUHeader.NalUnitType == 6);
Assert.NotNull(seiNALU);
}
public void ParseNALUTest1()
{
Flv.H264.H264Decoder demuxer = new Flv.H264.H264Decoder();
var hexData = "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".ToHexBytes();
JT1078Package package = JT1078Serializer.Deserialize(hexData);
var nalus = demuxer.ParseNALU(package);
Assert.Single(nalus);
var nalu = nalus[0];
Assert.Equal(0, nalu.NALUHeader.ForbiddenZeroBit);
Assert.Equal(3, nalu.NALUHeader.NalRefIdc);
Assert.Equal(1, nalu.NALUHeader.NalUnitType);
}
public void FlvEncoder_Test_5()
{
FileStream fileStream = null;
Flv.H264.H264Decoder decoder = new Flv.H264.H264Decoder();
List <H264NALU> h264NALULs = new List <H264NALU>();
FlvEncoder encoder = new FlvEncoder();
try
{
var filepath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "H264", "JT1078_5.flv");
var lines = File.ReadAllLines(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "H264", "JT1078_5.txt"));
if (File.Exists(filepath))
{
File.Delete(filepath);
}
JT1078Package Package = null;
foreach (var line in lines)
{
var data = line.Split(',');
var bytes = data[6].ToHexBytes();
JT1078Package package = JT1078Serializer.Deserialize(bytes);
Package = JT1078Serializer.Merge(package);
if (Package != null)
{
var tmp = decoder.ParseNALU(Package);
if (tmp != null && tmp.Count > 0)
{
h264NALULs = h264NALULs.Concat(tmp).ToList();
}
}
}
//var tmp1 = h264NALULs.Where(w => w.NALUHeader.NalUnitType == 7).ToList();
//List<SPSInfo> tmpSpss = new List<SPSInfo>();
//List<ushort> times = new List<ushort>();
//List<int> type = new List<int>();
//foreach (var item in h264NALULs)
//{
// //ExpGolombReader expGolombReader = new ExpGolombReader(item.RawData);
// type.Add(item.NALUHeader.NalUnitType);
// times.Add(item.LastFrameInterval);
// //tmpSpss.Add(expGolombReader.ReadSPS());
//}
fileStream = new FileStream(filepath, FileMode.OpenOrCreate, FileAccess.Write);
fileStream.Write(FlvEncoder.VideoFlvHeaderBuffer);
var totalPage = (h264NALULs.Count + 10 - 1) / 10;
for (var i = 0; i < totalPage; i++)
{
var flv2 = encoder.CreateFlvFrame(h264NALULs.Skip(i * 10).Take(10).ToList());
if (flv2.Length != 0)
{
fileStream.Write(flv2);
}
}
}
catch (Exception ex)
{
Assert.Throws <Exception>(() => { });
}
finally
{
fileStream?.Close();
fileStream?.Dispose();
}
}
