/*****************************************************************************
description: writes SBR single channel data element
returns: number of bits written
*****************************************************************************/
int
WriteEnvSingleChannelElement(HANDLE_SBR_HEADER_DATA sbrHeaderData,
HANDLE_SBR_BITSTREAM_DATA sbrBitstreamData,
HANDLE_SBR_ENV_DATA sbrEnvData,
struct PS_ENC* h_ps_e,
HANDLE_COMMON_DATA cmonData)
{
int payloadBits = 0;
/* counting previous operation */
cmonData->sbrHdrBits = 0;
cmonData->sbrDataBits = 0;
cmonData->sbrCrcLen = 0;
/* write pure sbr data */
if (sbrEnvData != NULL) {
/* write header */
payloadBits += encodeSbrHeader (sbrHeaderData,
sbrBitstreamData,
cmonData,
SBR_ID_SCE);
/* write data */
payloadBits += encodeSbrData (sbrEnvData,
NULL,
cmonData,
SBR_ID_SCE,
sbrHeaderData->sampleRateMode,
sbrHeaderData->sbr_data_extra,
h_ps_e,
sbrBitstreamData->HeaderActive,
0);
}
return payloadBits;
}
/*****************************************************************************
description: writes SBR channel pair data element
returns: number of bits written
*****************************************************************************/
int
WriteEnvChannelPairElement (HANDLE_SBR_HEADER_DATA sbrHeaderData,
HANDLE_SBR_BITSTREAM_DATA sbrBitstreamData,
HANDLE_SBR_ENV_DATA sbrEnvDataLeft,
HANDLE_SBR_ENV_DATA sbrEnvDataRight,
HANDLE_COMMON_DATA cmonData)
{
int payloadBits = 0;
/* counting previous operation */
cmonData->sbrHdrBits = 0;
cmonData->sbrDataBits = 0;
cmonData->sbrCrcLen = 0;
/* write pure sbr data */
if ((sbrEnvDataLeft != NULL) && (sbrEnvDataRight != NULL)) {
/* write header */
payloadBits += encodeSbrHeader (sbrHeaderData,
sbrBitstreamData,
cmonData,
SBR_ID_CPE);
/* write data */
payloadBits += encodeSbrData (sbrEnvDataLeft,
sbrEnvDataRight,
cmonData,
SBR_ID_CPE,
sbrHeaderData->sampleRateMode,
sbrHeaderData->sbr_data_extra,
NULL,
0,
sbrHeaderData->coupling);
}
return payloadBits;
}
/*****************************************************************************
functionname: FDKsbrEnc_WriteEnvSingleChannelElement
description: writes pure SBR single channel data element
returns: number of bits written
input:
output:
*****************************************************************************/
INT FDKsbrEnc_WriteEnvSingleChannelElement(
HANDLE_SBR_HEADER_DATA sbrHeaderData,
HANDLE_PARAMETRIC_STEREO hParametricStereo,
HANDLE_SBR_BITSTREAM_DATA sbrBitstreamData, HANDLE_SBR_ENV_DATA sbrEnvData,
HANDLE_COMMON_DATA cmonData, UINT sbrSyntaxFlags)
{
INT payloadBits = 0;
cmonData->sbrHdrBits = 0;
cmonData->sbrDataBits = 0;
/* write pure sbr data */
if (sbrEnvData != NULL) {
/* write header */
payloadBits += encodeSbrHeader(sbrHeaderData, sbrBitstreamData, cmonData);
/* write data */
payloadBits += encodeSbrData(sbrEnvData, NULL, hParametricStereo, cmonData,
SBR_ID_SCE, 0, sbrSyntaxFlags);
}
return payloadBits;
}
/*****************************************************************************
functionname: FDKsbrEnc_WriteEnvChannelPairElement
description: writes pure SBR channel pair data element
returns: number of bits written
input:
output:
*****************************************************************************/
INT FDKsbrEnc_WriteEnvChannelPairElement(
HANDLE_SBR_HEADER_DATA sbrHeaderData,
HANDLE_PARAMETRIC_STEREO hParametricStereo,
HANDLE_SBR_BITSTREAM_DATA sbrBitstreamData,
HANDLE_SBR_ENV_DATA sbrEnvDataLeft, HANDLE_SBR_ENV_DATA sbrEnvDataRight,
HANDLE_COMMON_DATA cmonData, UINT sbrSyntaxFlags)
{
INT payloadBits = 0;
cmonData->sbrHdrBits = 0;
cmonData->sbrDataBits = 0;
/* write pure sbr data */
if ((sbrEnvDataLeft != NULL) && (sbrEnvDataRight != NULL)) {
/* write header */
payloadBits += encodeSbrHeader(sbrHeaderData, sbrBitstreamData, cmonData);
/* write data */
payloadBits += encodeSbrData(sbrEnvDataLeft, sbrEnvDataRight,
hParametricStereo, cmonData, SBR_ID_CPE,
sbrHeaderData->coupling, sbrSyntaxFlags);
}
return payloadBits;
}