384 lines
8.8 KiB
C++
384 lines
8.8 KiB
C++
#include <ptlib.h>
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#include <h323.h>
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#include <h245.h>
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#include "ast_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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H323_REGISTER_CAPABILITY(AST_CiscoG726Capability, CISCO_G726r32);
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H323_REGISTER_CAPABILITY(AST_CiscoDtmfCapability, CISCO_DTMF_RELAY);
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OPAL_MEDIA_FORMAT_DECLARE(OpalG711ALaw64kFormat,
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OPAL_G711_ALAW_64K,
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OpalMediaFormat::DefaultAudioSessionID,
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RTP_DataFrame::PCMA,
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TRUE, // Needs jitter
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64000, // bits/sec
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8, // bytes/frame
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8, // 1 millisecond/frame
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OpalMediaFormat::AudioTimeUnits,
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0);
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OPAL_MEDIA_FORMAT_DECLARE(OpalG711uLaw64kFormat,
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OPAL_G711_ULAW_64K,
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OpalMediaFormat::DefaultAudioSessionID,
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RTP_DataFrame::PCMU,
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TRUE, // Needs jitter
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64000, // bits/sec
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8, // bytes/frame
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8, // 1 millisecond/frame
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OpalMediaFormat::AudioTimeUnits,
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0);
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OPAL_MEDIA_FORMAT_DECLARE(OpalG729Format,
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OPAL_G729,
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OpalMediaFormat::DefaultAudioSessionID,
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RTP_DataFrame::G729,
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TRUE, // Needs jitter
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8000, // bits/sec
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10, // bytes
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80, // 10 milliseconds
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OpalMediaFormat::AudioTimeUnits,
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0);
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OPAL_MEDIA_FORMAT_DECLARE(OpalG729AFormat,
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OPAL_G729 "A",
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OpalMediaFormat::DefaultAudioSessionID,
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RTP_DataFrame::G729,
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TRUE, // Needs jitter
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8000, // bits/sec
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10, // bytes
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80, // 10 milliseconds
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OpalMediaFormat::AudioTimeUnits,
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0);
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OPAL_MEDIA_FORMAT_DECLARE(OpalG7231_6k3Format,
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OPAL_G7231_6k3,
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OpalMediaFormat::DefaultAudioSessionID,
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RTP_DataFrame::G7231,
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TRUE, // Needs jitter
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6400, // bits/sec
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24, // bytes
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240, // 30 milliseconds
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OpalMediaFormat::AudioTimeUnits,
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0);
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OPAL_MEDIA_FORMAT_DECLARE(OpalG7231A_6k3Format,
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OPAL_G7231A_6k3,
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OpalMediaFormat::DefaultAudioSessionID,
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RTP_DataFrame::G7231,
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TRUE, // Needs jitter
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6400, // bits/sec
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24, // bytes
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240, // 30 milliseconds
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OpalMediaFormat::AudioTimeUnits,
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0);
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OPAL_MEDIA_FORMAT_DECLARE(OpalGSM0610Format,
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OPAL_GSM0610,
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OpalMediaFormat::DefaultAudioSessionID,
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RTP_DataFrame::GSM,
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TRUE, // Needs jitter
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13200, // bits/sec
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33, // bytes
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160, // 20 milliseconds
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OpalMediaFormat::AudioTimeUnits,
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0);
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OPAL_MEDIA_FORMAT_DECLARE(OpalCiscoG726Format,
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CISCO_G726r32,
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OpalMediaFormat::DefaultAudioSessionID,
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RTP_DataFrame::G726,
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TRUE, // Needs jitter
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32000, // bits/sec
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4, // bytes
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8, // 1 millisecond
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OpalMediaFormat::AudioTimeUnits,
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0);
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#if 0
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OPAL_MEDIA_FORMAT_DECLARE(OpalCiscoDTMFRelayFormat,
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CISCO_DTMF_RELAY,
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OpalMediaFormat::DefaultAudioSessionID,
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(RTP_DataFrame::PayloadTypes)121, // Choose this for Cisco IOS compatibility
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TRUE, // Needs jitter
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100, // bits/sec
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4, // bytes/frame
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8*150, // 150 millisecond
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OpalMediaFormat::AudioTimeUnits,
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0);
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#endif
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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, PBoolean 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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PBoolean 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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PBoolean 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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PBoolean 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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PBoolean 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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/*
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* Capability: G.726 32 Kbps
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*/
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AST_CiscoG726Capability::AST_CiscoG726Capability(int rx_frames)
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: H323NonStandardAudioCapability(rx_frames, 240,
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181, 0, 18,
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(const BYTE *)"G726r32", 0)
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{
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}
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PObject *AST_CiscoG726Capability::Clone() const
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{
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return new AST_CiscoG726Capability(*this);
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}
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H323Codec *AST_CiscoG726Capability::CreateCodec(H323Codec::Direction direction) const
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{
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return NULL;
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}
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PString AST_CiscoG726Capability::GetFormatName() const
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{
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return PString(CISCO_G726r32);
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}
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/*
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* Capability: Cisco RTP DTMF Relay
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*/
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AST_CiscoDtmfCapability::AST_CiscoDtmfCapability()
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: H323NonStandardDataCapability(0, 181, 0, 18, (const BYTE *)"RtpDtmfRelay", 0)
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{
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rtpPayloadType = (RTP_DataFrame::PayloadTypes)121;
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}
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PObject *AST_CiscoDtmfCapability::Clone() const
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{
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return new AST_CiscoDtmfCapability(*this);
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}
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H323Codec *AST_CiscoDtmfCapability::CreateCodec(H323Codec::Direction direction) const
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{
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return NULL;
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}
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PString AST_CiscoDtmfCapability::GetFormatName() const
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{
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return PString(CISCO_DTMF_RELAY);
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}
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