//v0.3, 18-02-2017, data all UTF-8

Interface:


#if defined(_WIN32)
#define STDCALL __stdcall
#else
#define STDCALL __attribute__ ((stdcall))
#endif

typedef int (STDCALL *SendToParentCallback)(char *value, void *user_param); //typedef for SendToParent callback function. It takes json array string, zerro terminated as a parameter

extern "C" int STDCALL Load(const char* module_name, SendToParentCallback callback, void* user_param); This function is called at the start. It takes parent callback as a parameter. The callback is valid until Unload function exits. Also user_param is given, which comes back as a parameter in callback function.
extern "C" void STDCALL Unload()
extern "C" int STDCALL ReceiveFromParent(char *value); // json array string, zero terminated
extern "C" void STDCALL PidData(unsigned char *data, int datalen); // unsigned char, [188 * x]
extern "C" void STDCALL RawData(unsigned char *data, int datalen); // unsigned char, [188 * x]

return int 0 = accept json, int > 0 not accept json sends error

// -------------------------------------------------------------

Json commands:

- json receive command
"CMD":"CHANNEL_CHANGE"
"NAME":"NPO 1 (HD)" // Optional
"SID":"1212"
"PMT":"0056"
"NIT":"0010" // Optional
"TID":"0100" // Optional
"PMT_DATA":"02B07C4A61D9000 ... " // Optional
"CAT_DATA":"01B027FFFFEF000 ... " // Optional

- json send command
"CMD":"KEY_CHANGE
"MUX":"0" // Optional
"KEY_EVEN":"0011223344556677" // Optional
"KEY_ODD":"889900AABBCCDDEE" // Optional

- json send command
"CMD":"START_PIDS"
"PIDS":"0001 0013 1301"

- json send command
"CMD":"STOP_PIDS"
"PIDS":"0001 0013 1301"

- json send/receive command
"CMD":"NOP"

- json send/receive command
"CMD":"ERROR"
NR":"1" // Optional, 1 = json-error, 2 = wrong-pid, 3 = wrong-key, etc....
"MSG":"Wrong pid" // Optional

- json send/receive command
"CMD":"GET_VERSION"

- json receive command
"CMD":"VERSION"
"APPLICATION_NAME":"DVBApp" // Optional
"VERSION":"1.0" // Optional
"JSON":"0.3" // Optional

// -------------------------------------------------------------

default flow:

Load()

ReceiveFromParent:
[
	{	
		"CMD":"GET_VERSION"
	},
	{	
		"CMD":"CHANNEL_CHANGE",
		"NAME":"NPO 1 (HD)",
		"SID":"1212",
		"PMT":"0056",
		"NIT":"0010",
		"TID":"0100",
		"PMT_DATA":"02B07C4A61D90000E7D1F0110B02423F0E03C83D601006C00271C0040002E7D1F00502031A485F03E7DBF0060A046475740003E7DCF0060A04474F530306E835F0075605647574090006E836F00A5908647574100002000206E837F014590838383820000200025908647574200002000205E899F0056F030010E07D63081B",
		"CAT_DATA":"01B027FFFFEF000009041801E06409041850E06509040602E06609040604E06709040606E068CBF90119"
	}
]

SendToParent:
[
	{
		"CMD":"VERSION",
		"APPLICATION_NAME":"DVBJCAM",
		"VERSION":"0.0.0.5",
		"JSON":"0.3"
	},
	{	
		"CMD":"GET_VERSION"
	},
	{
		"CMD":"START_PIDS",
		"PIDS":"0001 0033 0066"
	}
]

ReceiveFromParent:
[
	{
		"CMD":"VERSION",
		"APPLICATION_NAME":"DVBAPP",
		"VERSION":"1.0",
		"JSON":"0.3"
	}
]

SendToParent:
[
	{
		"CMD":"KEY_CHANGE,
		"KEY_EVEN":"0011223344556677",
		"KEY_ODD":"889900AABBCCDDEE"
	}
]

SendToParent:
[
	{
		"CMD":"KEY_CHANGE,
		"KEY_EVEN":"BB9988776655443322"
	}
]

SendToParent:
[
	{
		"CMD":"KEY_CHANGE,
		"KEY_ODD":"2233445566778899BB"
	}
]


ReceiveFromParent:
[
	{	
		"CMD":"CHANNEL_CHANGE",
		"NAME":"RTL4 (HD)",
		"SID":"1313",
		"PMT":"0057",
		"NIT":"0020",
		"TID":"0200",
		"PMT_DATA":"02B07C4A61D90000E7D1F0110B02423F0E03C83D601006C00271C0040002E7D1F00502031A485F03E7DBF0060A046475740003E7DCF0060A04474F530306E835F0075605647574090006E836F00A5908647574100002000206E837F014590838383820000200025908647574200002000205E899F0056F030010E07D63081B",
	}
]

SendToParent:
[
	{
		"CMD":"START_PIDS",
		"PIDS":"0034 0035"
	}
]

SendToParent:
[
	{
		"CMD":"START_PIDS",
		"PIDS":"0086"
	}
]

SendToParent:
[
	{
		"CMD":"KEY_CHANGE,
		"KEY_EVEN":"8811223344556600",
		"KEY_ODD":"889900AABBCCDD99"
	}
]

Unload()