sdctransmit.cpp

Dream.exe soft source (Visual C++)

		iNumBitsTotal = 20 + 16 /* TEST */ /* + application data TODO! */;
		break;
	}

	/* Init return vector (storing this data block) */
	vecbiData.Init(iNumBitsTotal + NUM_BITS_HEADER_SDC);
	vecbiData.ResetBitAccess();

	/* Length of the body, excluding the initial 4 bits ("- 4"), 
	   measured in bytes ("/ 8") */
	vecbiData.Enqueue((uint32_t) (iNumBitsTotal - 4) / 8, 7);

	/* Version flag (not used in this implementation) */
	vecbiData.Enqueue((uint32_t) 0, 1);

	/* Data entity type */
	vecbiData.Enqueue((uint32_t) 05, 4); /* Type 05 */


	/* Actual body ---------------------------------------------------------- */
	/* Short Id */
	vecbiData.Enqueue((uint32_t) ServiceID, 2);

	/* Stream Id */
	vecbiData.Enqueue((uint32_t) Parameter.Service[ServiceID].DataParam.
		iStreamID, 2);

	/* Packet mode indicator */
	switch (Parameter.Service[ServiceID].DataParam.ePacketModInd)
	{
	case CParameter::PM_SYNCHRON_STR_MODE:
		vecbiData.Enqueue(0 /* 0 */, 1);

		/* Descriptor */
		vecbiData.Enqueue((uint32_t) 0, 7);
		break;

	case CParameter::PM_PACKET_MODE:
		vecbiData.Enqueue(1 /* 1 */, 1);

		/* Descriptor */
		/* Data unit indicator */
		switch (Parameter.Service[ServiceID].DataParam.eDataUnitInd)
		{
		case CParameter::DU_SINGLE_PACKETS:
			vecbiData.Enqueue(0 /* 0 */, 1);
			break;

		case CParameter::DU_DATA_UNITS:
			vecbiData.Enqueue(1 /* 1 */, 1);
			break;
		}

		/* Packet Id */
		vecbiData.Enqueue( 
			(uint32_t) Parameter.Service[ServiceID].DataParam.iPacketID, 2);

		/* Application domain */
		switch (Parameter.Service[ServiceID].DataParam.eAppDomain)
		{
		case CParameter::AD_DRM_SPEC_APP:
			vecbiData.Enqueue(0 /* 0000 */, 4);
			break;

		case CParameter::AD_DAB_SPEC_APP:
			vecbiData.Enqueue(1 /* 0001 */, 4);
			break;
		}

		/* Packet length */
		vecbiData.Enqueue( 
			(uint32_t) Parameter.Service[ServiceID].DataParam.iPacketLen, 8);

		break;
	}

	/* Application data */
// Not used

// TEST
/* Fixed implementation for MOTSlideshow application which is the one and
   only supported application right now. TODO */
/* rfu */
vecbiData.Enqueue((uint32_t) 0, 5);

/* User application identifier. SlideShow = 2 */
vecbiData.Enqueue((uint32_t) 2, 11);
}


/******************************************************************************\
* Data entity Type 9 (Audio information data entity)						   *
\******************************************************************************/
void CSDCTransmit::DataEntityType9(CVector<_BINARY>& vecbiData, int ServiceID,
								   CParameter& Parameter)
{
	/* Set total number of bits */
	const int iNumBitsTotal = 20;

	/* Init return vector (storing this data block) */
	vecbiData.Init(iNumBitsTotal + NUM_BITS_HEADER_SDC);
	vecbiData.ResetBitAccess();

	/* Length of the body, excluding the initial 4 bits ("- 4"), 
	   measured in bytes ("/ 8") */
	vecbiData.Enqueue((uint32_t) (iNumBitsTotal - 4) / 8, 7);

	/* Version flag (not used in this implementation) */
	vecbiData.Enqueue((uint32_t) 0, 1);

	/* Data entity type */
	vecbiData.Enqueue((uint32_t) 9, 4); /* Type 09 */


	/* Actual body ---------------------------------------------------------- */
	/* Short Id */
	vecbiData.Enqueue((uint32_t) ServiceID, 2);

	/* Stream Id */
	vecbiData.Enqueue((uint32_t) Parameter.Service[ServiceID].AudioParam.
		iStreamID, 2);

	/* Audio coding */
	switch (Parameter.Service[ServiceID].AudioParam.eAudioCoding)
	{
	case CParameter::AC_AAC:
		vecbiData.Enqueue(0 /* 00 */, 2);
		break;

	case CParameter::AC_CELP:
		vecbiData.Enqueue(1 /* 01 */, 2);
		break;

	case CParameter::AC_HVXC:
		vecbiData.Enqueue(2 /* 10 */, 2);
		break;
	}

	/* SBR flag */
	switch (Parameter.Service[ServiceID].AudioParam.eSBRFlag)
	{
	case CParameter::SB_NOT_USED:
		vecbiData.Enqueue(0 /* 0 */, 1);
		break;

	case CParameter::SB_USED:
		vecbiData.Enqueue(1 /* 1 */, 1);
		break;
	}

	/* Audio mode */
	switch (Parameter.Service[ServiceID].AudioParam.eAudioCoding)
	{
	case CParameter::AC_AAC:
		/* Channel type */
		switch (Parameter.Service[ServiceID].AudioParam.eAudioMode)
		{
		case CParameter::AM_MONO:
			vecbiData.Enqueue(0 /* 00 */, 2);
			break;

		case CParameter::AM_P_STEREO:
			vecbiData.Enqueue(1 /* 01 */, 2);
			break;

		case CParameter::AM_STEREO:
			vecbiData.Enqueue(2 /* 10 */, 2);
			break;
		}
		break;

	case CParameter::AC_CELP:
		/* rfa */
		vecbiData.Enqueue((uint32_t) 0, 1);

		/* CELP_CRC */
		switch (Parameter.Service[ServiceID].AudioParam.bCELPCRC)
		{
		case FALSE:
			vecbiData.Enqueue(0 /* 0 */, 1);
			break;

		case TRUE:
			vecbiData.Enqueue(1 /* 1 */, 1);
			break;
		}
		break;

	case CParameter::AC_HVXC:
		/* HVXC_rate */
		switch (Parameter.Service[ServiceID].AudioParam.eHVXCRate)
		{
		case CParameter::HR_2_KBIT:
			vecbiData.Enqueue(0 /* 0 */, 1);
			break;

		case CParameter::HR_4_KBIT:
			vecbiData.Enqueue(1 /* 1 */, 1);
			break;
		}

		/* HVXC CRC */
		switch (Parameter.Service[ServiceID].AudioParam.bHVXCCRC)
		{
		case FALSE:
			vecbiData.Enqueue(0 /* 0 */, 1);
			break;

		case TRUE:
			vecbiData.Enqueue(1 /* 1 */, 1);
			break;
		}
		break;
	}

	/* Audio sampling rate */
	switch (Parameter.Service[ServiceID].AudioParam.eAudioSamplRate)
	{
	case CParameter::AS_8_KHZ:
		vecbiData.Enqueue(0 /* 000 */, 3);
		break;

	case CParameter::AS_12KHZ:
		vecbiData.Enqueue(1 /* 001 */, 3);
		break;

	case CParameter::AS_16KHZ:
		vecbiData.Enqueue(2 /* 010 */, 3);
		break;

	case CParameter::AS_24KHZ:
		vecbiData.Enqueue(3 /* 011 */, 3);
		break;
	}

	/* Text flag */
	switch (Parameter.Service[ServiceID].AudioParam.bTextflag)
	{
	case FALSE:
		vecbiData.Enqueue(0 /* 0 */, 1);
		break;

	case TRUE:
		vecbiData.Enqueue(1 /* 1 */, 1);
		break;
	}

	/* Enhancement flag */
	switch (Parameter.Service[ServiceID].AudioParam.bEnhanceFlag)
	{
	case FALSE:
		vecbiData.Enqueue(0 /* 0 */, 1);
		break;

	case TRUE:
		vecbiData.Enqueue(1 /* 1 */, 1);
		break;
	}

	/* Coder field */
	if (Parameter.Service[ServiceID].AudioParam.
		eAudioCoding == CParameter::AC_CELP)
	{
		/* CELP index */
		vecbiData.Enqueue( 
			(uint32_t) Parameter.Service[ServiceID].AudioParam.iCELPIndex, 5);
	}
	else
	{
		/* rfa 5 bit */
		vecbiData.Enqueue((uint32_t) 0, 5);
	}
	
	/* rfa 1 bit */
	vecbiData.Enqueue((uint32_t) 0, 1);
}