mirror of http://gerrit.asterisk.org/asterisk
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@43354 65c4cc65-6c06-0410-ace0-fbb531ad65f31.4
Paul Cadach
19 years ago
parent
261e84229d
commit
e57d521462
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#include <ptlib.h>
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#include <h323.h>
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#include "caps_h323.h"
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#define DEFINE_G711_CAPABILITY(cls, code, capName) \
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class cls : public AST_G711Capability { \
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public: \
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cls() : AST_G711Capability(240, code) { } \
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}; \
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H323_REGISTER_CAPABILITY(cls, capName) \
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DEFINE_G711_CAPABILITY(AST_G711ALaw64Capability, H323_G711Capability::ALaw, OPAL_G711_ALAW_64K);
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DEFINE_G711_CAPABILITY(AST_G711uLaw64Capability, H323_G711Capability::muLaw, OPAL_G711_ULAW_64K);
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H323_REGISTER_CAPABILITY(AST_G7231Capability, OPAL_G7231);
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H323_REGISTER_CAPABILITY(AST_G729Capability, OPAL_G729);
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H323_REGISTER_CAPABILITY(AST_G729ACapability, OPAL_G729A);
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H323_REGISTER_CAPABILITY(AST_GSM0610Capability, OPAL_GSM0610);
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/*
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* Capability: G.711
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*/
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AST_G711Capability::AST_G711Capability(int rx_frames, H323_G711Capability::Mode m, H323_G711Capability::Speed s)
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: H323AudioCapability(rx_frames, 30) // 240ms max, 30ms desired
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{
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mode = m;
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speed = s;
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}
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PObject * AST_G711Capability::Clone() const
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{
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return new AST_G711Capability(*this);
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}
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unsigned AST_G711Capability::GetSubType() const
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{
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static const unsigned G711SubType[2][2] = {
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{ H245_AudioCapability::e_g711Alaw64k, H245_AudioCapability::e_g711Alaw56k },
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{ H245_AudioCapability::e_g711Ulaw64k, H245_AudioCapability::e_g711Ulaw56k }
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};
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return G711SubType[mode][speed];
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}
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PString AST_G711Capability::GetFormatName() const
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{
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static const char * const G711Name[2][2] = {
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{ OPAL_G711_ALAW_64K, OPAL_G711_ALAW_56K },
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{ OPAL_G711_ULAW_64K, OPAL_G711_ULAW_56K },
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};
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return G711Name[mode][speed];
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}
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H323Codec * AST_G711Capability::CreateCodec(H323Codec::Direction direction) const
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{
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return NULL;
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}
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/*
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* Capability: G.723.1
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*/
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AST_G7231Capability::AST_G7231Capability(int rx_frames, BOOL annexA_)
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: H323AudioCapability(rx_frames, 4)
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{
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annexA = annexA_;
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}
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PObject::Comparison AST_G7231Capability::Compare(const PObject & obj) const
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{
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Comparison result = H323AudioCapability::Compare(obj);
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if (result != EqualTo) {
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return result;
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}
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PINDEX otherAnnexA = ((const AST_G7231Capability &)obj).annexA;
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if (annexA < otherAnnexA) {
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return LessThan;
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}
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if (annexA > otherAnnexA) {
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return GreaterThan;
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}
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return EqualTo;
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}
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PObject * AST_G7231Capability::Clone() const
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{
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return new AST_G7231Capability(*this);
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}
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PString AST_G7231Capability::GetFormatName() const
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{
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return (annexA ? OPAL_G7231 "A" : OPAL_G7231);
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}
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unsigned AST_G7231Capability::GetSubType() const
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{
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return H245_AudioCapability::e_g7231;
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}
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BOOL AST_G7231Capability::OnSendingPDU(H245_AudioCapability & cap,
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unsigned packetSize) const
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{
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cap.SetTag(H245_AudioCapability::e_g7231);
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H245_AudioCapability_g7231 & g7231 = cap;
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g7231.m_maxAl_sduAudioFrames = packetSize;
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g7231.m_silenceSuppression = annexA;
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return TRUE;
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}
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BOOL AST_G7231Capability::OnReceivedPDU(const H245_AudioCapability & cap,
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unsigned & packetSize)
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{
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if (cap.GetTag() != H245_AudioCapability::e_g7231) {
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return FALSE;
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}
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const H245_AudioCapability_g7231 & g7231 = cap;
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packetSize = g7231.m_maxAl_sduAudioFrames;
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annexA = g7231.m_silenceSuppression;
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return TRUE;
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}
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H323Codec * AST_G7231Capability::CreateCodec(H323Codec::Direction direction) const
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{
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return NULL;
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}
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/*
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* Capability: G.729
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*/
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AST_G729Capability::AST_G729Capability(int rx_frames)
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: H323AudioCapability(rx_frames, 2)
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{
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}
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PObject * AST_G729Capability::Clone() const
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{
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return new AST_G729Capability(*this);
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}
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unsigned AST_G729Capability::GetSubType() const
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{
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return H245_AudioCapability::e_g729;
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}
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PString AST_G729Capability::GetFormatName() const
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{
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return OPAL_G729;
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}
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H323Codec * AST_G729Capability::CreateCodec(H323Codec::Direction direction) const
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{
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return NULL;
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}
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/*
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* Capability: G.729A
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*/
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AST_G729ACapability::AST_G729ACapability(int rx_frames)
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: H323AudioCapability(rx_frames, 6)
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{
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}
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PObject * AST_G729ACapability::Clone() const
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{
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return new AST_G729ACapability(*this);
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}
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unsigned AST_G729ACapability::GetSubType() const
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{
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return H245_AudioCapability::e_g729AnnexA;
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}
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PString AST_G729ACapability::GetFormatName() const
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{
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return OPAL_G729A;
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}
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H323Codec * AST_G729ACapability::CreateCodec(H323Codec::Direction direction) const
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{
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return NULL;
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}
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/*
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* Capability: GSM full rate
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*/
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AST_GSM0610Capability::AST_GSM0610Capability(int rx_frames, int comfortNoise_, int scrambled_)
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: H323AudioCapability(rx_frames, 2)
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{
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comfortNoise = comfortNoise_;
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scrambled = scrambled_;
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}
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PObject * AST_GSM0610Capability::Clone() const
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{
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return new AST_GSM0610Capability(*this);
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}
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unsigned AST_GSM0610Capability::GetSubType() const
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{
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return H245_AudioCapability::e_gsmFullRate;
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}
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BOOL AST_GSM0610Capability::OnSendingPDU(H245_AudioCapability & cap,
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unsigned packetSize) const
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{
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cap.SetTag(H245_AudioCapability::e_gsmFullRate);
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H245_GSMAudioCapability & gsm = cap;
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gsm.m_audioUnitSize = packetSize * 33;
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gsm.m_comfortNoise = comfortNoise;
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gsm.m_scrambled = scrambled;
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return TRUE;
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}
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BOOL AST_GSM0610Capability::OnReceivedPDU(const H245_AudioCapability & cap,
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unsigned & packetSize)
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{
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if (cap.GetTag() != H245_AudioCapability::e_gsmFullRate)
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return FALSE;
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const H245_GSMAudioCapability & gsm = cap;
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packetSize = (gsm.m_audioUnitSize + 32) / 33;
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comfortNoise = gsm.m_comfortNoise;
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scrambled = gsm.m_scrambled;
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return TRUE;
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}
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PString AST_GSM0610Capability::GetFormatName() const
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{
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return OPAL_GSM0610;
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}
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H323Codec * AST_GSM0610Capability::CreateCodec(H323Codec::Direction direction) const
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{
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return NULL;
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}
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@ -0,0 +1,124 @@
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#ifndef __AST_H323CAPS_H
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#define __AST_H323CAPS_H
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/**This class describes the G.711 codec capability.
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*/
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class AST_G711Capability : public H323AudioCapability
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{
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PCLASSINFO(AST_G711Capability, H323AudioCapability);
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public:
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AST_G711Capability(int rx_frames = 125, H323_G711Capability::Mode _mode = H323_G711Capability::muLaw, H323_G711Capability::Speed _speed = H323_G711Capability::At64k);
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virtual PObject *Clone() const;
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virtual H323Codec * CreateCodec(H323Codec::Direction direction) const;
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virtual unsigned GetSubType() const;
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virtual PString GetFormatName() const;
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protected:
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H323_G711Capability::Mode mode;
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H323_G711Capability::Speed speed;
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};
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/**This class describes the G.723.1 codec capability.
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*/
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class AST_G7231Capability : public H323AudioCapability
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{
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PCLASSINFO(AST_G7231Capability, H323AudioCapability);
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public:
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AST_G7231Capability(int rx_frames = 7, BOOL annexA = TRUE);
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Comparison Compare(const PObject & obj) const;
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virtual PObject * Clone() const;
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virtual H323Codec * CreateCodec(H323Codec::Direction direction) const;
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virtual unsigned GetSubType() const;
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virtual PString GetFormatName() const;
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virtual BOOL OnSendingPDU(H245_AudioCapability & pdu, unsigned packetSize) const;
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virtual BOOL OnReceivedPDU(const H245_AudioCapability & pdu, unsigned & packetSize);
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protected:
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BOOL annexA;
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};
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/**This class describes the (fake) G729 codec capability.
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*/
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class AST_G729Capability : public H323AudioCapability
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{
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PCLASSINFO(AST_G729Capability, H323AudioCapability);
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public:
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AST_G729Capability(int rx_frames = 24);
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/* Create a copy of the object. */
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virtual PObject * Clone() const;
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/* Create the codec instance, allocating resources as required. */
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virtual H323Codec * CreateCodec(H323Codec::Direction direction) const;
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/* Get the sub-type of the capability. This is a code dependent on the
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main type of the capability.
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This returns one of the four possible combinations of mode and speed
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using the enum values of the protocol ASN H245_AudioCapability class. */
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virtual unsigned GetSubType() const;
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/* Get the name of the media data format this class represents. */
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virtual PString GetFormatName() const;
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};
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/* This class describes the VoiceAge G729A codec capability. */
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class AST_G729ACapability : public H323AudioCapability
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{
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PCLASSINFO(AST_G729ACapability, H323AudioCapability);
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public:
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/* Create a new G.729A capability. */
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AST_G729ACapability(int rx_frames = 24);
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/* Create a copy of the object. */
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virtual PObject * Clone() const;
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/* Create the codec instance, allocating resources as required. */
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virtual H323Codec * CreateCodec(H323Codec::Direction direction) const;
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/* Get the sub-type of the capability. This is a code dependent on the
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main type of the capability.
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This returns one of the four possible combinations of mode and speed
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using the enum values of the protocol ASN H245_AudioCapability class. */
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virtual unsigned GetSubType() const;
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/* Get the name of the media data format this class represents. */
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virtual PString GetFormatName() const;
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};
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/* This class describes the GSM-06.10 codec capability. */
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class AST_GSM0610Capability : public H323AudioCapability
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{
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PCLASSINFO(AST_GSM0610Capability, H323AudioCapability);
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public:
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/* Create a new GSM capability. */
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AST_GSM0610Capability(int rx_frames = 24, int comfortNoise = 0, int scrambled = 0);
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/* Create a copy of the object. */
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virtual PObject * Clone() const;
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/* Create the codec instance, allocating resources as required. */
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virtual H323Codec * CreateCodec(H323Codec::Direction direction) const;
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/* Get the sub-type of the capability. This is a code dependent on the
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main type of the capability.
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This returns one of the four possible combinations of mode and speed
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using the enum values of the protocol ASN H245_AudioCapability class. */
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virtual unsigned GetSubType() const;
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/* Get the name of the media data format this class represents. */
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virtual PString GetFormatName() const;
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BOOL OnSendingPDU(H245_AudioCapability & pdu, unsigned packetSize) const;
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BOOL OnReceivedPDU(const H245_AudioCapability & pdu, unsigned & packetSize);
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protected:
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int comfortNoise;
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int scrambled;
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};
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#endif /* __AST_H323CAPS_H */
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