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#include <ptlib.h>
#include <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);
/*
* 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, BOOL 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;
}
BOOL 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;
}
BOOL 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;
}
BOOL 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;
}
BOOL 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;
}
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