public async Task <bool> StartVideo()
{
// Start Recording
// ->{"msg_id":513,"token":1}
// <-{"rval":0,"msg_id":513 }
// <-{ "msg_id": 7, "type": "start_video_record" }
UserStartVideoMessage UsrMsg = new UserStartVideoMessage(_token);
UserStartVideoMessageCodec UsrMsgCodec = new UserStartVideoMessageCodec();
// Send the message
if (await Send(await UsrMsgCodec.Encode(UsrMsg)))
{
// If sent, get the first response message
string MsgReceived = await _CameraSocket.Receive();
CameraMessageCodec CamEchoCodec = new CameraMessageCodec();
CameraMessage CamEchoMsg = await CamEchoCodec.Decode(MsgReceived);
if (CamEchoMsg.msg_id != UsrMsg.msg_id)
{
return(false);
}
//Receive the start_video message
MsgReceived = null;
MsgReceived = await _CameraSocket.Receive();
CamStartCaptureMessageCodec CamCodec = new CamStartCaptureMessageCodec();
CamStartCaptureMessage CamMsg = await CamCodec.Decode(MsgReceived);
// Check if photo capture is started
if (CamMsg.msg_id != CamStartCaptureMessage.msg_id_expected && !CamMsg.type.Equals(CamStartCaptureMessage.video_expected))
{
return(false);
}
// If everything OK, return true
_recording = true;
return(true);
}
return(false);
}
public async Task <string> TakePhoto()
{
// Take Photo
// ->{"msg_id":769,"token":1}
// <-{"rval":0,"msg_id":769}
// <-{ "msg_id": 7, "type": "start_photo_capture" }
// <-{ "msg_id": 7, "type": "photo_taken" ,"param":"/tmp/fuse_d/DCIM/100MEDIA/SJCM0004.jpg"}
// <-{ "msg_id": 7, "type": "photo_taken" ,"param":"/tmp/fuse_d/DCIM/100MEDIA/SJCM0004.jpg"}
UserTakePhotoMessage UsrMsg = new UserTakePhotoMessage(_token);
UserTakePhotoMessageCodec UsrMsgCodec = new UserTakePhotoMessageCodec();
// Send the message
string MsgSent = await UsrMsgCodec.Encode(UsrMsg);
if (await Send(MsgSent))
{
// If sent, get the first response message
string MsgReceived = await _CameraSocket.Receive();
CameraMessageCodec CamEchoCodec = new CameraMessageCodec();
CameraMessage CamEchoMsg = await CamEchoCodec.Decode(MsgReceived);
if (CamEchoMsg.msg_id != UsrMsg.msg_id)
{
return(null);
}
//Receive the start_photo_capture message
MsgReceived = null;
MsgReceived = await _CameraSocket.Receive();
CamStartCaptureMessageCodec CamCodec = new CamStartCaptureMessageCodec();
CamStartCaptureMessage CamMsg = await CamCodec.Decode(MsgReceived);
// Check if photo capture is started
if (CamMsg.msg_id != CamStartCaptureMessage.msg_id_expected && !CamMsg.type.Equals(CamStartCaptureMessage.photo_expected))
{
return(null);
}
//Receive the Photo name
MsgReceived = null;
MsgReceived = await _CameraSocket.Receive();
CamCaptureDoneMessageCodec CptrDoneCodec = new CamCaptureDoneMessageCodec();
CamCaptureDoneMessage CptrDoneMsg = await CptrDoneCodec.Decode(MsgReceived);
// Check if msg_id and type are the expected
if (CptrDoneMsg.msg_id != CamCaptureDoneMessage.msg_id_expected && !CptrDoneMsg.type.Equals(CamCaptureDoneMessage.photo_expected))
{
return(null);
}
//Receive the Photo name again
MsgReceived = null;
MsgReceived = await _CameraSocket.Receive();
CptrDoneCodec = new CamCaptureDoneMessageCodec();
CptrDoneMsg = await CptrDoneCodec.Decode(MsgReceived);
// Check if msg_id and type are the expected
if (CptrDoneMsg.msg_id != CamCaptureDoneMessage.msg_id_expected && !CptrDoneMsg.type.Equals(CamCaptureDoneMessage.photo_expected))
{
return(null);
}
// Return the location of the taken photo
return(GetMediaLocation(CptrDoneMsg.param));
}
// If there is a problem
return(null);
}
