public void TestVideoDataParam()
{
VideoDataParam param = new VideoDataParam(new VideoInfo("video", 2), new DateTime(2016, 5, 5));
var buffer = VideoDataParam.Encode(param);
VideoDataParam param2 = VideoDataParam.Decode(buffer);
Assert.AreEqual(param.VideoId, param2.VideoId);
Assert.AreEqual(param.StreamId, param2.StreamId);
Assert.AreEqual(param.Time, param2.Time);
}
private byte[] getVideoPacketBuffer(VideoDataParam param)
{
VideoStreamsPacket packet = StorageDownloader.Instance.GetVideoPacket(param.VideoId, param.StreamId, param.Time);
if (packet != null)
{
return(VideoStreamsPacket.Encode(packet));
}
else
{
return(new byte[0]);
}
}
private void getVideoStreamsPacket(VideoDataParam videoDataParam)
{
VideoStreamsPacket packet = _download?.GetVideoStreamsPacket(videoDataParam.Time);
if (packet != null)
{
send(ParamCode.VideoPacket, VideoStreamsPacket.Encode(packet));
}
else
{
send(ParamCode.VideoPacket, new byte[0]);
}
}
private void Adapter_ReceiveCompleted(object sender, ReceiveEventArgs args)
{
if (args.ByteLength > 0)
{
SocketAdapter adapter = sender as SocketAdapter;
using (MemoryStream ms = new MemoryStream(args.ReceivedBytes))
{
int code = PacketBase.ReadInt(ms);
byte[] buffer = null;
switch ((ParamCode)code)
{
case ParamCode.TimePeriods:
buffer = getVideoTimePeriodsPacketBuffer(VideoBaseInfomParam.Decode(ms));
break;
case ParamCode.VideoPacket:
buffer = getVideoPacketBuffer(VideoDataParam.Decode(ms));
break;
case ParamCode.VideoBaseInfo:
VideoBaseInfomParam param = VideoBaseInfomParam.Decode(ms);
Common.Log.Logger.Default.Trace($"下载视频：{param.BeginTime} - {param.EndTime} - {param.VideoName} - {param.VideoId} - {param.StreamId} -- {adapter.RemoteEndPoint}");
_isDownload = true;
buffer = getVideoBasePacketBuffer(param);
break;
case ParamCode.StorageFlag:
onStorageFlag(StorageFlagParam.Decode(ms));
break;
case ParamCode.StorageFlagAll:
buffer = getStorageFlagAll();
Console.WriteLine("StorageFlagAll: {0}", buffer.Length);
break;
}
if (buffer != null)
{
adapter.Send(code, buffer);
}
}
}
}
public void GetVideoStream(VideoDataParam param)
{
sendData((int)ParamCode.VideoPacket, VideoDataParam.Encode(param));
}
public void GetVideoData(VideoDataParam param)
{
Send((int)ParamCode.VideoPacket, VideoDataParam.Encode(param));
}
private void onReceiveCompleted(object sender, ReceiveEventArgs args)
{
try
{
if (args.ByteLength > 0)
{
using (MemoryStream ms = new MemoryStream(args.ReceivedBytes))
{
ParamCode code = (ParamCode)PacketBase.ReadInt(ms);
byte[] buffer = null;
switch (code)
{
case ParamCode.VideoInfosTimePeriods:
updateVideoInfosTimePeriods(VideoDataInfoParam.Decode(ms));
break;
case ParamCode.DownloadBegin:
beginDownload(DownloadInfoParam.Decode(ms));
break;
case ParamCode.DownloadToLocal:
downloadToLocal(PacketBase.ReadString(ms));
break;
case ParamCode.VideoPacket:
getVideoStreamsPacket(VideoDataParam.Decode(ms));
break;
case ParamCode.ProbeTime:
setProbeTime(PacketBase.ReadTime(ms));
break;
case ParamCode.DownloadInfosAll:
feedbackDownloadInfosToClient();
break;
case ParamCode.DownloadControl:
var controlCode = (DownloadControlCode)PacketBase.ReadInt(ms);
onDownloadControl(controlCode, ms);
break;
case ParamCode.LocalDownloadPath:
onLocalDownloadPath(PacketBase.ReadString(ms));
break;
case ParamCode.LocalDownloadBegin:
onLocalDownloadStart(LocalDownloadInfoPacket.Decode(ms));
break;
}
if (buffer != null)
{
send((ParamCode)code, buffer);
}
}
}
}
catch (IOException ex)
{
sendMessage(MessageType.Warn, ex.Message, null);
}
catch (Exception ex)
{
sendMessage(MessageType.Error, ex.Message, null);
Console.WriteLine(ex.ToString());
}
}
/// <summary>获取指定时间点视频流数据包</summary>
public void GetVideoStreamsPacket(DateTime time)
{
VideoDataParam param = new VideoDataParam(_info as VideoInfo, time);
_downProxy.GetVideoData(param);
}
