/**
*
* Method Name: ParseByeReport
*
*
* Inputs: unsigned char *puchReportBuffer - Buffer containing the Bye Report
*
* Outputs: None
*
* Returns: unsigned long
*
* Description: Extracts the contents of an Bye report using the buffer
* passed in by the caller.
*
* Usage Notes: The header of the RTCP Report shall be parsed by delegating
* to the base class.
*
*
*/
unsigned long CByeReport::ParseByeReport(unsigned char *puchReportBuffer)
{
unsigned char *puchPayloadBuffer = puchReportBuffer;
// Check whether the RTCP Header has been correctly
// formed (Version, etc...).
if(!ParseRTCPHeader(puchReportBuffer))
return(GetReportLength());
// Good header. Let's bump the payload pointer and continue.
puchPayloadBuffer += GetHeaderLength();
// Let's store the CSRCs from the Bye Report
unsigned long ulCSRCCount = GetReportCount() ? GetReportCount() - 1 : 0;
SetCSRC((ssrc_t *)puchPayloadBuffer, ulCSRCCount, TRUE);
puchPayloadBuffer += (sizeof(ssrc_t) * ulCSRCCount);
// Let's determine whether there is an optional Reason field associated
// with this Bye Report. We can surmise this through comparing the
// packet length to what we've already processed
if(puchPayloadBuffer - puchReportBuffer < (long)GetReportLength())
{
uint32_t ulReasonLength = (uint32_t)*puchPayloadBuffer++;
SetReason(puchPayloadBuffer, ulReasonLength);
puchPayloadBuffer += ulReasonLength;
}
// Let's process any padding that might be present to align the
// payload on a 32 bit boundary.
if(GetPadding())
puchPayloadBuffer += ExtractPadding(puchPayloadBuffer);
return(puchPayloadBuffer - puchReportBuffer);
}
/**
*
* Method Name: ParseSenderReport
*
*
* Inputs: unsigned char *puchReportBuffer
* - Buffer containing the Sender Report
*
* Outputs: None
*
* Returns: unsigned long
*
* Description: Extracts the contents of an Sender report using the buffer
* passed in by the caller. The Sender Report object shall store
* the content and length of data fields extracted from the Sender
* Report. The timestamps identifying the time of SR report
* reception shall obtained and sent with the SR Send timestamp to
* the associated Receiver Report through the SetLastRcvdSRTime()
* method of the ISetReceiverStatistics interface.
*
* Usage Notes: The header of the RTCP Report shall be parsed by delegating to
* the base class.
*
*
*/
unsigned long CSenderReport::ParseSenderReport(unsigned char *puchReportBuffer)
{
unsigned char *puchPayloadBuffer = puchReportBuffer;
// Check whether the RTCP Header has been correctly
// formed (Version, etc...).
if(!ParseRTCPHeader(puchReportBuffer))
return(GetReportLength());
// Good header. Let's bump the payload pointer and continue.
puchPayloadBuffer += GetHeaderLength();
// Let's extract the NTP and RTP timestamps from the Sender Report
puchPayloadBuffer += ExtractTimestamps((unsigned long *)puchPayloadBuffer);
// Let's extract the Sender Statistics
puchPayloadBuffer += ExtractSenderStats((unsigned long*)puchPayloadBuffer);
return(puchPayloadBuffer - puchReportBuffer);
}
