public static VideoInfo Decode(Stream sm)
{
string videoId = PacketBase.ReadString(sm);
int streamId = PacketBase.ReadInt(sm);
string videoName = PacketBase.ReadString(sm);
return(new VideoInfo(videoId, streamId, videoName));
}
public static MessagePacket Decode(Stream ms)
{
MessageType type = (MessageType)PacketBase.ReadInt(ms);
string message = PacketBase.ReadString(ms);
string operate = PacketBase.ReadString(ms);
return(new MessagePacket(type, message, operate));
}
public static StreamPacket Decode(MemoryStream ms)
{
DateTime time = PacketBase.ReadTime(ms);
DataType type = (DataType)PacketBase.ReadInt(ms);
int length = PacketBase.ReadInt(ms);
byte[] buf = PacketBase.ReadByteArray(ms, length);
return(new StreamPacket(time, type, buf));
}
public static new DownloadInfoParam Decode(Stream stream)
{
string sourceIp = PacketBase.ReadString(stream);
int sourcePort = PacketBase.ReadInt(stream);
string downloadPath = PacketBase.ReadString(stream);
var param = VideoBaseInfomParam.Decode(stream);
return(new DownloadInfoParam(sourceIp, sourcePort, param, downloadPath));
}
public static VideoBasePacket Decode(Stream ms)
{
DateTime time = PacketBase.ReadTime(ms);
int headLen = PacketBase.ReadInt(ms);
byte[] header = PacketBase.ReadByteArray(ms, headLen);
long length = PacketBase.ReadLong(ms);
return(new VideoBasePacket(header, time, length));
}
public static new IDownloadInfo[] DecodeArray(Stream stream)
{
int len = PacketBase.ReadInt(stream);
IDownloadInfo[] infos = new IDownloadInfo[len];
for (int i = 0; i < len; i++)
{
infos[i] = Decode(stream);
}
return(infos);
}
public static DownloadInfoExpandPacket[] DecodeArray(MemoryStream ms)
{
int length = PacketBase.ReadInt(ms);
DownloadInfoExpandPacket[] packets = new DownloadInfoExpandPacket[length];
for (int i = 0; i < packets.Length; i++)
{
packets[i] = DownloadInfoExpandPacket.Decode(ms);
}
return(packets);
}
public static TimePeriodPacket[] DecodeArray(Stream ms)
{
int tiLen = PacketBase.ReadInt(ms);
TimePeriodPacket[] tis = new TimePeriodPacket[tiLen];
for (int i = 0; i < tiLen; i++)
{
tis[i] = TimePeriodPacket.Decode(ms);
}
return(tis);
}
public static VideoInfo[] DecodeArray(Stream stream)
{
int len = PacketBase.ReadInt(stream);
VideoInfo[] vInfos = new VideoInfo[len];
for (int i = 0; i < len; i++)
{
vInfos[i] = VideoInfo.Decode(stream);
}
return(vInfos);
}
public static VideoStreamsPacket Decode(MemoryStream ms)
{
TimePeriodPacket ti = TimePeriodPacket.Decode(ms);
int length = PacketBase.ReadInt(ms);
StreamPacket[] spList = new StreamPacket[length];
for (int i = 0; i < length; i++)
{
spList[i] = StreamPacket.Decode(ms);
}
return(new VideoStreamsPacket(ti, spList));
}
public static LocalVideosInfoPacket Decode(Stream ms)
{
ITimePeriod tp = TimePeriodPacket.Decode(ms);
int length = PacketBase.ReadInt(ms);
VideoTimePeriodsPacket[] vis = new VideoTimePeriodsPacket[length];
for (int i = 0; i < length; i++)
{
vis[i] = VideoTimePeriodsPacket.Decode(ms);
}
return(new LocalVideosInfoPacket(tp, vis));
}
public static FfmpegHeaderPacket Decode(MemoryStream ms)
{
int videoType = PacketBase.ReadInt(ms);
if (videoType != (int)VideoType.Ffmpeg)
{
return(null);
}
int streamId = PacketBase.ReadInt(ms);
string streamName = PacketBase.ReadString(ms);
string streamUrl = PacketBase.ReadString(ms);
int codecId = PacketBase.ReadInt(ms);
int width = PacketBase.ReadInt(ms);
int height = PacketBase.ReadInt(ms);
return(new FfmpegHeaderPacket(streamId, streamName, streamUrl, codecId, width, height));
}
public static DownloadExpandPart Decode(MemoryStream ms)
{
Guid guid = PacketBase.ReadGuid(ms);
DownloadCode code = (DownloadCode)PacketBase.ReadInt(ms);
Object obj = null;
switch (code)
{
case DownloadCode.DownloadInfo:
obj = DownloadInfoParam.Decode(ms);
break;
case DownloadCode.Name:
case DownloadCode.Quality:
case DownloadCode.ErrorInfo:
obj = PacketBase.ReadString(ms);
break;
case DownloadCode.Size:
case DownloadCode.Speed:
obj = PacketBase.ReadLong(ms);
break;
case DownloadCode.IsLocalDownload:
obj = PacketBase.ReadBool(ms);
break;
case DownloadCode.TimePeriodsAll:
case DownloadCode.TimePeriodsCompleted:
obj = TimePeriodPacket.DecodeArray(ms);
break;
case DownloadCode.Status:
obj = (DownloadStatus)PacketBase.ReadInt(ms);
break;
case DownloadCode.UpdatedLastestTime:
obj = PacketBase.ReadTime(ms);
break;
case DownloadCode.GoTop:
obj = null;
break;
}
return(new DownloadExpandPart(guid, code, obj));
}
public static HikHeaderPacket Decode(MemoryStream ms)
{
int videoType = PacketBase.ReadInt(ms);
if (videoType != (int)VideoType.Hik)
{
return(null);
}
int streamId = PacketBase.ReadInt(ms);
string streamName = PacketBase.ReadString(ms);
string streamUrl = PacketBase.ReadString(ms);
int type = PacketBase.ReadInt(ms);
int length = PacketBase.ReadInt(ms);
byte[] buffer = PacketBase.ReadByteArray(ms, length);
return(new HikHeaderPacket(streamId, streamName, streamUrl, type, buffer));
}
public static DownloadInfoExpandPacket Decode(MemoryStream ms)
{
Guid guid = PacketBase.ReadGuid(ms);
IDownloadInfo di = DownloadInfoParam.Decode(ms);
string name = PacketBase.ReadString(ms);
string quality = PacketBase.ReadString(ms);
long size = PacketBase.ReadLong(ms);
bool isLocalDownload = PacketBase.ReadBool(ms);
TimePeriodPacket[] tps = TimePeriodPacket.DecodeArray(ms);
TimePeriodPacket[] tpsc = TimePeriodPacket.DecodeArray(ms);
DownloadStatus status = (DownloadStatus)PacketBase.ReadInt(ms);
string errorInfo = PacketBase.ReadString(ms);
DateTime time = PacketBase.ReadTime(ms);
long speed = PacketBase.ReadLong(ms);
return(new DownloadInfoExpandPacket(guid, di, name, quality, size, isLocalDownload, tps, tpsc, status, errorInfo, time, speed));
}
public static VideoDataInfoParam Decode(MemoryStream ms)
{
string sourceIp = PacketBase.ReadString(ms);
int sourcePort = PacketBase.ReadInt(ms);
int count = PacketBase.ReadInt(ms);
VideoInfo[] vis = new VideoInfo[count];
for (int i = 0; i < count; i++)
{
string videoId = PacketBase.ReadString(ms);
int streamId = PacketBase.ReadInt(ms);
vis[i] = new VideoInfo(videoId, streamId);
}
DateTime beginTime = PacketBase.ReadTime(ms);
DateTime endTime = PacketBase.ReadTime(ms);
return(new VideoDataInfoParam(sourceIp, sourcePort, vis, beginTime, endTime));
}
private void readPacket(Stream ms)
{
int length = PacketBase.ReadInt(ms);
int code = PacketBase.ReadInt(ms);
byte[] buffer = PacketBase.ReadByteArray(ms, length - 4);
switch ((ParamCode)code)
{
case ParamCode.VideoBaseInfo:
if (buffer.Length > 20 && (VideoBase == null || VideoBase.Length == 0))
{
VideoBase = VideoBasePacket.Decode(buffer);
}
break;
case ParamCode.TimePeriods:
TimePeriods = VideoTimePeriodsPacket.Decode(buffer);
break;
case ParamCode.DownloadBase:
DownloadInfo = DownloadInfoParam.Decode(buffer);
break;
}
}
