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Class that builds and sends RTP and RTCP packets
RTPSender (RTPSession* session = 0, bool randomTs = true)
| RTPSender |
Constructor
Parameters:
session | RTP session the sender belongs |
randomTs | Initialize a random timestamp offset |
~RTPSender ()
| ~RTPSender |
[virtual]
Do-nothing destructor
bool rtpSend (bool marker, int payload, unsigned int timestamp,
const void* data, int len)
| rtpSend |
Send one RTP payload packet
Parameters:
marker | Set to true if the marker bit must be set |
payload | Payload number |
timestamp | Sampling instant of the packet data |
data | Pointer to data block to send |
len | Length of the data block |
Returns: True if data sending was attempted
bool rtpSendData (bool marker, unsigned int timestamp,
const void* data, int len)
| rtpSendData |
Send one RTP data packet
Parameters:
marker | Set to true if the marker bit must be set |
timestamp | Sampling instant of the packet data |
data | Pointer to data block to send |
len | Length of the data block |
Returns: True if data sending was attempted
bool rtpSendEvent (int event, int duration, int volume = 0, unsigned int timestamp = 0)
| rtpSendEvent |
Send one RTP event
Parameters:
event | Event code to send |
duration | Duration of the event as number of samples |
volume | Attenuation of the tone, zero for don't care |
timestamp | Sampling instant of the packet data, zero to use current |
Returns: True if data sending was attempted
bool rtpSendKey (char key, int duration, int volume = 0, unsigned int timestamp = 0)
| rtpSendKey |
Send one RTP key event
Parameters:
key | Key to send |
duration | Duration of the event as number of samples |
volume | Attenuation of the tone, zero for don't care |
timestamp | Sampling instant of the packet data, zero to use current |
Returns: True if data sending was attempted
inline int padding ()
| padding |
[const]
Get the payload padding size
Returns: Chunk size to pad the payload to a multiple of
bool padding (int chunk)
| padding |
Set the padding to a multiple of a data chunk
Parameters:
chunk | Size to pad the payload to a multiple of |
Returns: True if the new chunk size is valid
void timerTick (const Time& when)
| timerTick |
[protected virtual]
Method called periodically to send events and buffered data
Parameters:
when | Time to use as base in all computing |
Reimplemented from RTPBaseIO.
void rtpEncipher (unsigned char* data, int len)
| rtpEncipher |
[protected virtual]
Method called to encipher RTP payload data in-place. The default implementation calls session's RTPSecure::rtpEncipher()
Parameters:
data | Pointer to data block to encipher |
len | Length of payload data to be encrypted including any padding |
void rtpAddIntegrity (const unsigned char* data, int len, unsigned char* authData)
| rtpAddIntegrity |
[protected virtual]
Method called to add integrity information to the RTP packet. The default implementation calls session's RTPSecure::rtpAddIntegrity()
Parameters:
data | Pointer to the RTP packet to protect |
len | Length of RTP data to be encrypted including header and padding |
authData | Address to write the integrity data to |
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