/*****************************************************************************
functionname: encodeSbrData
description: encodes sbr Data information
returns: number of bits written
input:
output:
*****************************************************************************/
static INT encodeSbrData(HANDLE_SBR_ENV_DATA sbrEnvDataLeft,
HANDLE_SBR_ENV_DATA sbrEnvDataRight,
HANDLE_PARAMETRIC_STEREO hParametricStereo,
HANDLE_COMMON_DATA cmonData, SBR_ELEMENT_TYPE sbrElem,
INT coupling, UINT sbrSyntaxFlags) {
INT payloadBits = 0;
switch (sbrElem) {
case SBR_ID_SCE:
payloadBits +=
encodeSbrSingleChannelElement(sbrEnvDataLeft, &cmonData->sbrBitbuf,
hParametricStereo, sbrSyntaxFlags);
break;
case SBR_ID_CPE:
payloadBits += encodeSbrChannelPairElement(
sbrEnvDataLeft, sbrEnvDataRight, hParametricStereo,
&cmonData->sbrBitbuf, coupling, sbrSyntaxFlags);
break;
default:
/* we never should apply SBR to any other element type */
FDK_ASSERT(0);
}
cmonData->sbrDataBits = payloadBits;
return payloadBits;
}
/*****************************************************************************
description: encodes sbr Data information
returns: number of bits written
*****************************************************************************/
static int
encodeSbrData (HANDLE_SBR_ENV_DATA sbrEnvDataLeft,
HANDLE_SBR_ENV_DATA sbrEnvDataRight,
HANDLE_COMMON_DATA cmonData,
SBR_ELEMENT_TYPE sbrElem,
int sampleRateMode,
int data_extra,
struct PS_ENC* h_ps_e,
int bHeaderActive,
int coupling)
{
int payloadBits = 0;
/* counting previous operation */
switch (sbrElem) {
case SBR_ID_SCE:
payloadBits += encodeSbrSingleChannelElement (sbrEnvDataLeft,
&cmonData->sbrBitbuf,
data_extra);
encodeExtendedData(sbrEnvDataLeft,
NULL,
h_ps_e,
bHeaderActive,
&cmonData->sbrBitbufPrev,
&cmonData->sbrHdrBits,
&cmonData->sbrBitbuf,
&payloadBits);
break;
case SBR_ID_CPE:
payloadBits += encodeSbrChannelPairElement (sbrEnvDataLeft, sbrEnvDataRight, &cmonData->sbrBitbuf,
data_extra, coupling);
encodeExtendedData(sbrEnvDataLeft,
sbrEnvDataRight,
NULL,
0,
NULL,
0,
&cmonData->sbrBitbuf,
&payloadBits);
break;
default:
/* we never should apply SBR to any other element type */
assert (0);
}
cmonData->sbrDataBits = payloadBits;
return payloadBits;
}
