mirror of https://github.com/asterisk/asterisk
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
384 lines
8.8 KiB
384 lines
8.8 KiB
#include <ptlib.h>
|
|
#include <h323.h>
|
|
#include <h245.h>
|
|
#include "ast_h323.h"
|
|
#include "caps_h323.h"
|
|
|
|
#define DEFINE_G711_CAPABILITY(cls, code, capName) \
|
|
class cls : public AST_G711Capability { \
|
|
public: \
|
|
cls() : AST_G711Capability(240, code) { } \
|
|
}; \
|
|
H323_REGISTER_CAPABILITY(cls, capName) \
|
|
|
|
DEFINE_G711_CAPABILITY(AST_G711ALaw64Capability, H323_G711Capability::ALaw, OPAL_G711_ALAW_64K);
|
|
DEFINE_G711_CAPABILITY(AST_G711uLaw64Capability, H323_G711Capability::muLaw, OPAL_G711_ULAW_64K);
|
|
H323_REGISTER_CAPABILITY(AST_G7231Capability, OPAL_G7231);
|
|
H323_REGISTER_CAPABILITY(AST_G729Capability, OPAL_G729);
|
|
H323_REGISTER_CAPABILITY(AST_G729ACapability, OPAL_G729A);
|
|
H323_REGISTER_CAPABILITY(AST_GSM0610Capability, OPAL_GSM0610);
|
|
H323_REGISTER_CAPABILITY(AST_CiscoG726Capability, CISCO_G726r32);
|
|
H323_REGISTER_CAPABILITY(AST_CiscoDtmfCapability, CISCO_DTMF_RELAY);
|
|
|
|
OPAL_MEDIA_FORMAT_DECLARE(OpalG711ALaw64kFormat,
|
|
OPAL_G711_ALAW_64K,
|
|
OpalMediaFormat::DefaultAudioSessionID,
|
|
RTP_DataFrame::PCMA,
|
|
TRUE, // Needs jitter
|
|
64000, // bits/sec
|
|
8, // bytes/frame
|
|
8, // 1 millisecond/frame
|
|
OpalMediaFormat::AudioTimeUnits,
|
|
0);
|
|
OPAL_MEDIA_FORMAT_DECLARE(OpalG711uLaw64kFormat,
|
|
OPAL_G711_ULAW_64K,
|
|
OpalMediaFormat::DefaultAudioSessionID,
|
|
RTP_DataFrame::PCMU,
|
|
TRUE, // Needs jitter
|
|
64000, // bits/sec
|
|
8, // bytes/frame
|
|
8, // 1 millisecond/frame
|
|
OpalMediaFormat::AudioTimeUnits,
|
|
0);
|
|
OPAL_MEDIA_FORMAT_DECLARE(OpalG729Format,
|
|
OPAL_G729,
|
|
OpalMediaFormat::DefaultAudioSessionID,
|
|
RTP_DataFrame::G729,
|
|
TRUE, // Needs jitter
|
|
8000, // bits/sec
|
|
10, // bytes
|
|
80, // 10 milliseconds
|
|
OpalMediaFormat::AudioTimeUnits,
|
|
0);
|
|
OPAL_MEDIA_FORMAT_DECLARE(OpalG729AFormat,
|
|
OPAL_G729 "A",
|
|
OpalMediaFormat::DefaultAudioSessionID,
|
|
RTP_DataFrame::G729,
|
|
TRUE, // Needs jitter
|
|
8000, // bits/sec
|
|
10, // bytes
|
|
80, // 10 milliseconds
|
|
OpalMediaFormat::AudioTimeUnits,
|
|
0);
|
|
OPAL_MEDIA_FORMAT_DECLARE(OpalG7231_6k3Format,
|
|
OPAL_G7231_6k3,
|
|
OpalMediaFormat::DefaultAudioSessionID,
|
|
RTP_DataFrame::G7231,
|
|
TRUE, // Needs jitter
|
|
6400, // bits/sec
|
|
24, // bytes
|
|
240, // 30 milliseconds
|
|
OpalMediaFormat::AudioTimeUnits,
|
|
0);
|
|
OPAL_MEDIA_FORMAT_DECLARE(OpalG7231A_6k3Format,
|
|
OPAL_G7231A_6k3,
|
|
OpalMediaFormat::DefaultAudioSessionID,
|
|
RTP_DataFrame::G7231,
|
|
TRUE, // Needs jitter
|
|
6400, // bits/sec
|
|
24, // bytes
|
|
240, // 30 milliseconds
|
|
OpalMediaFormat::AudioTimeUnits,
|
|
0);
|
|
OPAL_MEDIA_FORMAT_DECLARE(OpalGSM0610Format,
|
|
OPAL_GSM0610,
|
|
OpalMediaFormat::DefaultAudioSessionID,
|
|
RTP_DataFrame::GSM,
|
|
TRUE, // Needs jitter
|
|
13200, // bits/sec
|
|
33, // bytes
|
|
160, // 20 milliseconds
|
|
OpalMediaFormat::AudioTimeUnits,
|
|
0);
|
|
OPAL_MEDIA_FORMAT_DECLARE(OpalCiscoG726Format,
|
|
CISCO_G726r32,
|
|
OpalMediaFormat::DefaultAudioSessionID,
|
|
RTP_DataFrame::G726,
|
|
TRUE, // Needs jitter
|
|
32000, // bits/sec
|
|
4, // bytes
|
|
8, // 1 millisecond
|
|
OpalMediaFormat::AudioTimeUnits,
|
|
0);
|
|
#if 0
|
|
OPAL_MEDIA_FORMAT_DECLARE(OpalCiscoDTMFRelayFormat,
|
|
CISCO_DTMF_RELAY,
|
|
OpalMediaFormat::DefaultAudioSessionID,
|
|
(RTP_DataFrame::PayloadTypes)121, // Choose this for Cisco IOS compatibility
|
|
TRUE, // Needs jitter
|
|
100, // bits/sec
|
|
4, // bytes/frame
|
|
8*150, // 150 millisecond
|
|
OpalMediaFormat::AudioTimeUnits,
|
|
0);
|
|
#endif
|
|
|
|
/*
|
|
* Capability: G.711
|
|
*/
|
|
AST_G711Capability::AST_G711Capability(int rx_frames, H323_G711Capability::Mode m, H323_G711Capability::Speed s)
|
|
: H323AudioCapability(rx_frames, 30) // 240ms max, 30ms desired
|
|
{
|
|
mode = m;
|
|
speed = s;
|
|
}
|
|
|
|
|
|
PObject * AST_G711Capability::Clone() const
|
|
{
|
|
return new AST_G711Capability(*this);
|
|
}
|
|
|
|
|
|
unsigned AST_G711Capability::GetSubType() const
|
|
{
|
|
static const unsigned G711SubType[2][2] = {
|
|
{ H245_AudioCapability::e_g711Alaw64k, H245_AudioCapability::e_g711Alaw56k },
|
|
{ H245_AudioCapability::e_g711Ulaw64k, H245_AudioCapability::e_g711Ulaw56k }
|
|
};
|
|
return G711SubType[mode][speed];
|
|
}
|
|
|
|
|
|
PString AST_G711Capability::GetFormatName() const
|
|
{
|
|
static const char * const G711Name[2][2] = {
|
|
{ OPAL_G711_ALAW_64K, OPAL_G711_ALAW_56K },
|
|
{ OPAL_G711_ULAW_64K, OPAL_G711_ULAW_56K },
|
|
};
|
|
return G711Name[mode][speed];
|
|
}
|
|
|
|
|
|
H323Codec * AST_G711Capability::CreateCodec(H323Codec::Direction direction) const
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
* Capability: G.723.1
|
|
*/
|
|
AST_G7231Capability::AST_G7231Capability(int rx_frames, PBoolean annexA_)
|
|
: H323AudioCapability(rx_frames, 4)
|
|
{
|
|
annexA = annexA_;
|
|
}
|
|
|
|
PObject::Comparison AST_G7231Capability::Compare(const PObject & obj) const
|
|
{
|
|
Comparison result = H323AudioCapability::Compare(obj);
|
|
if (result != EqualTo) {
|
|
return result;
|
|
}
|
|
PINDEX otherAnnexA = ((const AST_G7231Capability &)obj).annexA;
|
|
if (annexA < otherAnnexA) {
|
|
return LessThan;
|
|
}
|
|
if (annexA > otherAnnexA) {
|
|
return GreaterThan;
|
|
}
|
|
return EqualTo;
|
|
}
|
|
|
|
PObject * AST_G7231Capability::Clone() const
|
|
{
|
|
return new AST_G7231Capability(*this);
|
|
}
|
|
|
|
PString AST_G7231Capability::GetFormatName() const
|
|
{
|
|
return (annexA ? OPAL_G7231 "A" : OPAL_G7231);
|
|
}
|
|
|
|
unsigned AST_G7231Capability::GetSubType() const
|
|
{
|
|
return H245_AudioCapability::e_g7231;
|
|
}
|
|
|
|
PBoolean AST_G7231Capability::OnSendingPDU(H245_AudioCapability & cap,
|
|
unsigned packetSize) const
|
|
{
|
|
cap.SetTag(H245_AudioCapability::e_g7231);
|
|
H245_AudioCapability_g7231 & g7231 = cap;
|
|
g7231.m_maxAl_sduAudioFrames = packetSize;
|
|
g7231.m_silenceSuppression = annexA;
|
|
return TRUE;
|
|
}
|
|
|
|
PBoolean AST_G7231Capability::OnReceivedPDU(const H245_AudioCapability & cap,
|
|
unsigned & packetSize)
|
|
{
|
|
if (cap.GetTag() != H245_AudioCapability::e_g7231) {
|
|
return FALSE;
|
|
}
|
|
const H245_AudioCapability_g7231 & g7231 = cap;
|
|
packetSize = g7231.m_maxAl_sduAudioFrames;
|
|
annexA = g7231.m_silenceSuppression;
|
|
return TRUE;
|
|
}
|
|
|
|
H323Codec * AST_G7231Capability::CreateCodec(H323Codec::Direction direction) const
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Capability: G.729
|
|
*/
|
|
AST_G729Capability::AST_G729Capability(int rx_frames)
|
|
: H323AudioCapability(rx_frames, 2)
|
|
{
|
|
}
|
|
|
|
PObject * AST_G729Capability::Clone() const
|
|
{
|
|
return new AST_G729Capability(*this);
|
|
}
|
|
|
|
unsigned AST_G729Capability::GetSubType() const
|
|
{
|
|
return H245_AudioCapability::e_g729;
|
|
}
|
|
|
|
PString AST_G729Capability::GetFormatName() const
|
|
{
|
|
return OPAL_G729;
|
|
}
|
|
|
|
H323Codec * AST_G729Capability::CreateCodec(H323Codec::Direction direction) const
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Capability: G.729A
|
|
*/
|
|
AST_G729ACapability::AST_G729ACapability(int rx_frames)
|
|
: H323AudioCapability(rx_frames, 6)
|
|
{
|
|
}
|
|
|
|
PObject * AST_G729ACapability::Clone() const
|
|
{
|
|
return new AST_G729ACapability(*this);
|
|
}
|
|
|
|
unsigned AST_G729ACapability::GetSubType() const
|
|
{
|
|
return H245_AudioCapability::e_g729AnnexA;
|
|
}
|
|
|
|
PString AST_G729ACapability::GetFormatName() const
|
|
{
|
|
return OPAL_G729A;
|
|
}
|
|
|
|
H323Codec * AST_G729ACapability::CreateCodec(H323Codec::Direction direction) const
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Capability: GSM full rate
|
|
*/
|
|
AST_GSM0610Capability::AST_GSM0610Capability(int rx_frames, int comfortNoise_, int scrambled_)
|
|
: H323AudioCapability(rx_frames, 2)
|
|
{
|
|
comfortNoise = comfortNoise_;
|
|
scrambled = scrambled_;
|
|
}
|
|
|
|
PObject * AST_GSM0610Capability::Clone() const
|
|
{
|
|
return new AST_GSM0610Capability(*this);
|
|
}
|
|
|
|
unsigned AST_GSM0610Capability::GetSubType() const
|
|
{
|
|
return H245_AudioCapability::e_gsmFullRate;
|
|
}
|
|
|
|
PBoolean AST_GSM0610Capability::OnSendingPDU(H245_AudioCapability & cap,
|
|
unsigned packetSize) const
|
|
{
|
|
cap.SetTag(H245_AudioCapability::e_gsmFullRate);
|
|
H245_GSMAudioCapability & gsm = cap;
|
|
gsm.m_audioUnitSize = packetSize * 33;
|
|
gsm.m_comfortNoise = comfortNoise;
|
|
gsm.m_scrambled = scrambled;
|
|
return TRUE;
|
|
}
|
|
|
|
PBoolean AST_GSM0610Capability::OnReceivedPDU(const H245_AudioCapability & cap,
|
|
unsigned & packetSize)
|
|
{
|
|
if (cap.GetTag() != H245_AudioCapability::e_gsmFullRate)
|
|
return FALSE;
|
|
const H245_GSMAudioCapability & gsm = cap;
|
|
packetSize = (gsm.m_audioUnitSize + 32) / 33;
|
|
comfortNoise = gsm.m_comfortNoise;
|
|
scrambled = gsm.m_scrambled;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
PString AST_GSM0610Capability::GetFormatName() const
|
|
{
|
|
return OPAL_GSM0610;
|
|
}
|
|
|
|
H323Codec * AST_GSM0610Capability::CreateCodec(H323Codec::Direction direction) const
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Capability: G.726 32 Kbps
|
|
*/
|
|
AST_CiscoG726Capability::AST_CiscoG726Capability(int rx_frames)
|
|
: H323NonStandardAudioCapability(rx_frames, 240,
|
|
181, 0, 18,
|
|
(const BYTE *)"G726r32", 0)
|
|
{
|
|
}
|
|
|
|
PObject *AST_CiscoG726Capability::Clone() const
|
|
{
|
|
return new AST_CiscoG726Capability(*this);
|
|
}
|
|
|
|
H323Codec *AST_CiscoG726Capability::CreateCodec(H323Codec::Direction direction) const
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
PString AST_CiscoG726Capability::GetFormatName() const
|
|
{
|
|
return PString(CISCO_G726r32);
|
|
}
|
|
|
|
/*
|
|
* Capability: Cisco RTP DTMF Relay
|
|
*/
|
|
AST_CiscoDtmfCapability::AST_CiscoDtmfCapability()
|
|
: H323NonStandardDataCapability(0, 181, 0, 18, (const BYTE *)"RtpDtmfRelay", 0)
|
|
{
|
|
rtpPayloadType = (RTP_DataFrame::PayloadTypes)121;
|
|
}
|
|
|
|
PObject *AST_CiscoDtmfCapability::Clone() const
|
|
{
|
|
return new AST_CiscoDtmfCapability(*this);
|
|
}
|
|
|
|
H323Codec *AST_CiscoDtmfCapability::CreateCodec(H323Codec::Direction direction) const
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
PString AST_CiscoDtmfCapability::GetFormatName() const
|
|
{
|
|
return PString(CISCO_DTMF_RELAY);
|
|
}
|