rtpcodec.cpp

symbian平台S60_2nd_FP2_SC rtp实现

    },

    // g726r16 
    // 100 words, 200 bytes silence payload for 100ms packetization - 
    // Any shorter payload will result in louder-hissing noise.
    // Any re-arrangement of the payload order will result in noise as well.
    { rtpPayloadG726_16, "G726R16", 200,
    { 0x3, 0xCF, 0xCF, 0xC0, 0x0, 0x0, 0xC, 0x0, 0xC, 0xCC, 0x30, 0xCC, 0xC3, 0xFC, 0x3C, 0x0, 0xCF, 0x0, 0xC, 0x3,
    0x3, 0x3, 0xFC, 0x3F, 0xFF, 0x33, 0xF3, 0x30, 0xFF, 0x30, 0xFF, 0xF3, 0xF3, 0xF3, 0xFC, 0xFC, 0xF0, 0xC0, 0xC3, 0x0,

    0x0, 0x0, 0xCC, 0xC, 0xC3, 0xF, 0xC, 0xF, 0x0, 0x30, 0xC0, 0xF0, 0x30, 0xCC, 0x30, 0xF0, 0xC, 0xFF, 0xC0, 0x3F,
    0xF3, 0xFC, 0x33, 0xFF, 0x3F, 0xCF, 0x3F, 0x3F, 0x33, 0x3C, 0xC0, 0xF3, 0x3, 0xFC, 0x0, 0xC0, 0xCC, 0xF3, 0xCC, 0xC0,

    0x0, 0x0, 0x3, 0x0, 0x3, 0xF, 0x0, 0x30, 0x30, 0xC3, 0xF3, 0xF3, 0xF, 0xF3, 0xCF, 0xCF, 0x3F, 0xFF, 0x3F, 0xFC,
    0xFC, 0xF3, 0xCF, 0xF3, 0x3, 0xCC, 0x0, 0x30, 0xC, 0xC, 0xF0, 0x0, 0xCC, 0xC3, 0x0, 0xCC, 0x0, 0x33, 0x0, 0x3C,

    0x30, 0x3F, 0xC0, 0xFF, 0xFC, 0xCF, 0x3C, 0xFF, 0x33, 0xF0, 0x3F, 0x3C, 0xFF, 0x3F, 0x3F, 0xCF, 0x3C, 0xFF, 0x30, 0x3C,
    0x0, 0xC, 0xC0, 0x0, 0xC3, 0x0, 0xCC, 0xC0, 0xC, 0xC, 0x30, 0x30, 0x30, 0xCF, 0xC3, 0x3C, 0xF0, 0xFF, 0xFF, 0x33,

    0x3F, 0x0, 0xF3, 0xF0, 0xFC, 0x3F, 0xC3, 0xF, 0xF3, 0x3F, 0x33, 0xF, 0xFC, 0x30, 0xC0, 0xFC, 0xC, 0xF3, 0x0, 0x33,
    0x0, 0x0, 0x0, 0xC3, 0x30, 0x3, 0xC3, 0xC, 0xCF, 0xC3, 0xF3, 0xF0, 0xCF, 0xC0, 0xC3, 0xC, 0xC0, 0xFF, 0xC0, 0x30 }
    },

    // g726r24 
    // 30 words, 60 bytes silence payload for 20ms packetization - 
    { rtpPayloadG726_24, "G726R24", 60,
    { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
      0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
      0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF } 
    },

    // g726r32 
    // 40 words, 80 bytes silence payload for 20ms packetization - 
    { rtpPayloadG726_32, "G726R32", 80,
    { 0xFF, 0xF1, 0xEF, 0xEF, 0xFF, 0xF1, 0xEF, 0xEF, 0x1F, 0xFF, 0xFE, 0xEF, 0xFF, 0xFE, 0x1F, 0x1F, 0xFE, 0x11, 0xEF, 0x1E, 
      0x1E, 0xEF, 0xEF, 0xFF, 0xFE, 0xFE, 0xEE, 0xEF, 0xEE, 0x1F, 0xEF, 0xFE, 0xFE, 0xE1, 0xF1, 0xFE, 0xE1, 0xFF, 0xFF, 0xEF, 
      0xFE, 0xFF, 0xEF, 0xFE, 0xF1, 0xEF, 0xFE, 0xFF, 0xEF, 0xFE, 0xFF, 0x1E, 0xEF, 0xFF, 0x1F, 0xFC, 0xFF, 0xFF, 0x1F, 0xFF, 
      0xEF, 0xFF, 0xFF, 0x1F, 0xFF, 0x1E, 0x1E, 0xEE, 0xF1, 0x1F, 0xFF, 0xEE, 0x1F, 0xFE, 0xFE, 0xEE, 0x1F, 0xFF, 0xFE, 0xFF } 
    },

    // linear16mono TODO
    // find specs

    // g729 all versions TODO
    // 100 words, 200 bytes silence payload for 200 ms packetization.
    // Any shorter payload will result in helicopter-effect noise.
    // Any re-arrangement of the payload order will result in noise as well.
    { rtpPayloadG729, "G729", 200,
    { 0x95, 0x1A, 0xEF, 0x40, 0x0, 0xFA, 0xDB, 0x0, 0x7, 0xD6, 0xF9, 0xCE, 0x5C, 0x80, 0x20, 0x1D, 0x8C, 0x2, 0x6F, 0xD6,
    0xE0, 0x48, 0x6B, 0x77, 0xA2, 0xB, 0xDB, 0x76, 0xA7, 0xD0, 0x10, 0x8B, 0x7C, 0x3B, 0x19, 0x3B, 0x38, 0x6E, 0x81, 0x5A,
    0x91, 0x32, 0xBB, 0x6, 0xE0, 0xB2, 0xC0, 0xB5, 0xB8, 0x1E, 0x2E, 0x1E, 0x58, 0xE6, 0xC8, 0xFB, 0x1F, 0x36, 0xC, 0x10,
    0x20, 0x2A, 0x74, 0x97, 0x8C, 0xF2, 0x19, 0xC3, 0xAD, 0x50, 0x40, 0xA, 0xF2, 0x5A, 0xC8, 0xC2, 0x9B, 0x84, 0xD6, 0xDA,
    0x79, 0x45, 0xB8, 0x12, 0xC0, 0x7A, 0xE7, 0x19, 0x9D, 0x91, 0x60, 0x6B, 0xB2, 0x41, 0x93, 0x1A, 0x2C, 0xB6, 0x3E, 0x10,

    0x79, 0x99, 0x3A, 0x60, 0x38, 0x7A, 0x13, 0x9D, 0x95, 0x1A, 0x20, 0x3A, 0x7D, 0x50, 0xE, 0x3B, 0x75, 0x8D, 0xE6, 0x9E,
    0xE0, 0x48, 0x7E, 0xA, 0xFD, 0x32, 0x3, 0xFB, 0xEE, 0xD1, 0x28, 0xED, 0xF4, 0x5C, 0xEF, 0x3A, 0xE6, 0xE8, 0xB3, 0xD3,
    0xE0, 0x3C, 0x20, 0x4D, 0x2A, 0x2A, 0x5D, 0x19, 0x7F, 0xD6, 0x60, 0x93, 0x60, 0x4E, 0x96, 0xE2, 0x19, 0x3D, 0x60, 0x58,
    0x30, 0xEB, 0x58, 0x74, 0x5A, 0xF2, 0x9, 0x68, 0x8F, 0x96, 0x79, 0xE, 0xF5, 0xAB, 0x60, 0x3, 0xC0, 0xDA, 0xEB, 0x94,
    0x62, 0x2C, 0xED, 0xEC, 0x33, 0x42, 0xC9, 0xBF, 0x1B, 0x9E, 0xE0, 0x3B, 0x62, 0x7F, 0xBC, 0x6B, 0xD9, 0x31, 0x5A, 0x96 }
    },

    // unknown
    // 240 words, 480 bytes silence payload - 
    { rtpPayloadUndefined, "UNKNOWN", 480, 
    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
    }
};

void rtp_htonl (RtpPacket* p)
{
    unsigned char tdata;
    if (p->getPayloadType() == rtpPayloadL16_mono)
    {
        unsigned char* data = (unsigned char*) p->getPayloadLoc();
        for (int i = 0; i < p->getPayloadUsage(); i = i + 2)
        {
            tdata = data[i];
            data[i] = data[i + 1];
            data[i + 1] = tdata;
        }
    }
}


void rtp_ntohl (RtpPacket* p)
{
    unsigned char tdata;
    if (p->getPayloadType() == rtpPayloadL16_mono)
    {
        unsigned char* data = (unsigned char*) p->getPayloadLoc();
        for (int i = 0; i < p->getPayloadUsage(); i = i + 2)
        {
            tdata = data[i];
            data[i] = data[i + 1];
            data[i + 1] = tdata;
        }
    }
}


char* findSilenceCodec( RtpPayloadType type, int len )
{
    for( int i = 0; i < numRtpCodecInfo; i++ )
    {
        if( rtpCodecInfo[i].payloadType == type  && rtpCodecInfo[i].length == len )
        {
            cpLog( LOG_DEBUG_STACK, "Silence packet template found at index %d",
                   i );
            return (char*)&rtpCodecInfo[i].silence;
        }
    }

    cpLog( LOG_DEBUG_STACK, "Silence unknown for type:%d, len%d", type, len );
    return 0;
}

char* findSilenceCodecString( char* codecStringInput, int len )
{
    for( int i = 0; i < numRtpCodecInfo; i++ )
    {
        if( (strcmp(rtpCodecInfo[i].codecString, codecStringInput) == 0) && rtpCodecInfo[i].length == len )
        {
            cpLog( LOG_DEBUG_STACK, "Silence packet template found at index %d",
                   i );
            return (char*)&rtpCodecInfo[i].silence;
        }
    }

    cpLog( LOG_DEBUG_STACK, "Silence unknown for type:%s, len%d", codecStringInput, len );
    return 0;
}


void createSilenceCodec (char* buffer, RtpPayloadType type, int len)
{
    switch (type)
    {
        case rtpPayloadPCMU:
        memset (buffer, 0xFF, len);
        break;
        case rtpPayloadL16_mono:   // debug
        case rtpPayloadG729:   // debug
        default:
        cpLog (LOG_ERR, "Can't make exact silence for type: &d", (int)type);
        memset (buffer, 0, len);
        break;
    }
}


// sets the exact networkFormat information, esp network_perSampleSize
void setNetworkFormatCodec()
{
    return ;
}