/**
*
* Method Name: FormatSenderReport
*
*
* Inputs: unsigned long ulBufferSize - length allocated for the buffer
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*
* Outputs: unsigned char *puchReportBuffer
* - Buffer used to store the Sender Report
*
* Returns: unsigned long - number of octets written into the buffer.
*
* Description: Constructs a Sender report using the buffer passed in by the
* caller. The Sender Report object shall keep track of the
* reporting periods that have passed an which information should
* be used to populate the report.
*
* Usage Notes: The header of the RTCP Report shall be formatted by delegating
* to the base class.
*
*
*/
unsigned long CSenderReport::FormatSenderReport(
unsigned char *puchReportBuffer, unsigned long ulBufferSize)
{
unsigned long ulReportLength=0;
// Let's offset into the Formatting buffer enough to
// start depositing payload
unsigned char *puchPayloadBuffer = puchReportBuffer + GetHeaderLength();
// Let's load the NTP and RTP timestamps into the Sender Report
puchPayloadBuffer += LoadTimestamps((unsigned long *)puchPayloadBuffer);
// Let's load the Sender Statistics
puchPayloadBuffer += LoadSenderStats((unsigned long *)puchPayloadBuffer);
// Set the sender report length
ulReportLength = puchPayloadBuffer - puchReportBuffer;
// Let's slap a header on this report
FormatRTCPHeader( puchReportBuffer, // RTCP Report Buffer
FALSE, // No Padding
1, // Receiver Count set to 1 for now
ulReportLength + RR_LENGTH); // Report Length
return(ulReportLength);
}
/**
*
* Method Name: FormatByeReport
*
*
* Inputs: unsigned long ulBufferSize - length allocated for the buffer
*
* Outputs: unsigned char *puchReportBuffer
* - Buffer to receive the contents of the Sender Report
*
* Returns: unsigned long - number of octets written into the buffer.
*
* Description: Constructs a Bye report using the buffer passed in by the
* caller.
*
* Usage Notes: The header of the RTCP Report shall be formatted by
* delegating to the base class.
*
*
*/
unsigned long CByeReport::FormatByeReport(unsigned char *puchReportBuffer,
unsigned long ulBufferSize)
{
unsigned long ulReportLength, ulCSRCCount = 0;
unsigned char *puchPayloadBuffer;
unsigned long l = GetHeaderLength();
// Let's offset into the Formatting buffer enough to
// start depositing payload
puchPayloadBuffer = puchReportBuffer + l;
// OsSysLog::add(FAC_MP, PRI_DEBUG, "CByeReport::FormatByeReport: GetHeaderLength() = %ld", l);
// Let's load the field information based upon the period.
// Conversion to NBO done in GetCSRC().
ulCSRCCount = GetCSRC((ssrc_t *)puchPayloadBuffer, TRUE);
puchPayloadBuffer += (ulCSRCCount * sizeof(ssrc_t));
// Let's load the field information based upon the period
unsigned long ulReasonLength = GetReason(puchPayloadBuffer+1);
bool bPadded = FALSE;
if(ulReasonLength > 0)
{
// Adjust the count and payload pointer
*puchPayloadBuffer++ = (unsigned char)ulReasonLength;
puchPayloadBuffer += ulReasonLength;
// Let's load padding onto the end of the packet to
// ensure 4 byte alignment
puchPayloadBuffer += LoadPadding(puchPayloadBuffer, &bPadded);
}
// Set the report length
ulReportLength = puchPayloadBuffer - puchReportBuffer;
// Let's call the RTCP Header base class's formatter so we can prepend
// a header to this Bye Payload
FormatRTCPHeader(puchReportBuffer, // RTCP Report Buffer
bPadded, // Padding Flag
ulCSRCCount+1, // SSRC/CSRC Count
ulReportLength); // Report Length
return(ulReportLength);
}
