public static RTP_HEADER GetHeader(byte[] RtpPacket)
{
RTP_HEADER header = new RTP_HEADER();
header.version = (byte)(RtpPacket[0] & BitMasks.VERSION_MASK);
header.version = (byte)(header.version >> 6);
header.p = (byte)(RtpPacket[0] & BitMasks.PADDING_MASK);
header.p = (byte)(header.p >> 5);
header.x = (byte)(RtpPacket[0] & BitMasks.EXTENSION_MASK);
header.x = (byte)(header.p >> 4);
header.cc = (byte)(RtpPacket[0] & BitMasks.CC_MASK);
header.m = (byte)(RtpPacket[1] & BitMasks.MARKER);
header.m = (byte)(header.m >> 7);
header.pt = (byte)(RtpPacket[1] & BitMasks.PT_MASK);
header.seq = RtpPacket[2];
header.seq = (UInt16)(header.seq << 8);
header.seq = (UInt16)(header.seq | RtpPacket[3]);
int buffer_progress = 4;
header.ts = RtpPacket[buffer_progress++];
int next_start = buffer_progress;
int next_stop = buffer_progress + 3;
for (int i = next_start; i < next_stop; i++)
{
header.ts = header.ts << 8;
header.ts = header.ts | RtpPacket[i];
buffer_progress++;
}
header.ssrc = RtpPacket[buffer_progress++];
next_start = buffer_progress;
next_stop = buffer_progress + 3;
for (int i = next_start; i < next_stop; i++)
{
header.ssrc = header.ssrc << 8;
header.ssrc = header.ssrc | RtpPacket[i];
buffer_progress++;
}
header.csrc = new UInt32[header.cc];
for (int i = 0; i < header.cc; i++)
{
header.csrc[i] = RtpPacket[buffer_progress++];
next_start = buffer_progress;
next_stop = buffer_progress + 3;
for (int j = next_start; j < next_stop; j++)
{
header.ssrc = header.ssrc << 8;
header.ssrc = header.ssrc | RtpPacket[j];
buffer_progress++;
}
}
return(header);
}
public static RTP_HEADER GetHeader(byte[] RtpPacket)
{
RTP_HEADER header = new RTP_HEADER();
header.version = (byte)(RtpPacket[0] & BitMasks.VERSION_MASK);
header.version = (byte)(header.version >> 6);
header.p = (byte)(RtpPacket[0] & BitMasks.PADDING_MASK);
header.p = (byte)(header.p >> 5);
header.x = (byte)(RtpPacket[0] & BitMasks.EXTENSION_MASK);
header.x = (byte)(header.p >> 4);
header.cc = (byte)(RtpPacket[0] & BitMasks.CC_MASK);
header.m = (byte)(RtpPacket[1] & BitMasks.MARKER);
header.m = (byte)(header.m >> 7);
header.pt = (byte)(RtpPacket[1] & BitMasks.PT_MASK);
header.seq = RtpPacket[2];
header.seq = (UInt16)(header.seq << 8);
header.seq = (UInt16)(header.seq | RtpPacket[3]);
int buffer_progress = 4;
header.ts = RtpPacket[buffer_progress++];
int next_start = buffer_progress;
int next_stop = buffer_progress + 3;
for (int i = next_start; i < next_stop; i++)
{
header.ts = header.ts << 8;
header.ts = header.ts | RtpPacket[i];
buffer_progress++;
}
header.ssrc = RtpPacket[buffer_progress++];
next_start = buffer_progress;
next_stop = buffer_progress + 3;
for (int i = next_start; i < next_stop; i++)
{
header.ssrc = header.ssrc << 8;
header.ssrc = header.ssrc | RtpPacket[i];
buffer_progress++;
}
header.csrc = new UInt32[header.cc];
for (int i = 0; i < header.cc; i++)
{
header.csrc[i] = RtpPacket[buffer_progress++];
next_start = buffer_progress;
next_stop = buffer_progress + 3;
for (int j = next_start; j < next_stop; j++)
{
header.ssrc = header.ssrc << 8;
header.ssrc = header.ssrc | RtpPacket[j];
buffer_progress++;
}
}
return header;
}
