diff options
Diffstat (limited to 'channels/h323/caps_h323.h')
| -rw-r--r-- | channels/h323/caps_h323.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/channels/h323/caps_h323.h b/channels/h323/caps_h323.h new file mode 100644 index 000000000..be63e0230 --- /dev/null +++ b/channels/h323/caps_h323.h @@ -0,0 +1,124 @@ +#ifndef __AST_H323CAPS_H +#define __AST_H323CAPS_H + +/**This class describes the G.711 codec capability. + */ +class AST_G711Capability : public H323AudioCapability +{ + PCLASSINFO(AST_G711Capability, H323AudioCapability); + +public: + AST_G711Capability(int rx_frames = 125, H323_G711Capability::Mode _mode = H323_G711Capability::muLaw, H323_G711Capability::Speed _speed = H323_G711Capability::At64k); + virtual PObject *Clone() const; + virtual H323Codec * CreateCodec(H323Codec::Direction direction) const; + virtual unsigned GetSubType() const; + virtual PString GetFormatName() const; + +protected: + H323_G711Capability::Mode mode; + H323_G711Capability::Speed speed; +}; + +/**This class describes the G.723.1 codec capability. + */ +class AST_G7231Capability : public H323AudioCapability +{ + PCLASSINFO(AST_G7231Capability, H323AudioCapability); + +public: + AST_G7231Capability(int rx_frames = 7, BOOL annexA = TRUE); + Comparison Compare(const PObject & obj) const; + virtual PObject * Clone() const; + virtual H323Codec * CreateCodec(H323Codec::Direction direction) const; + virtual unsigned GetSubType() const; + virtual PString GetFormatName() const; + virtual BOOL OnSendingPDU(H245_AudioCapability & pdu, unsigned packetSize) const; + virtual BOOL OnReceivedPDU(const H245_AudioCapability & pdu, unsigned & packetSize); + +protected: + BOOL annexA; +}; + +/**This class describes the (fake) G729 codec capability. + */ +class AST_G729Capability : public H323AudioCapability +{ + PCLASSINFO(AST_G729Capability, H323AudioCapability); + +public: + AST_G729Capability(int rx_frames = 24); + /* Create a copy of the object. */ + virtual PObject * Clone() const; + + /* Create the codec instance, allocating resources as required. */ + virtual H323Codec * CreateCodec(H323Codec::Direction direction) const; + + /* Get the sub-type of the capability. This is a code dependent on the + main type of the capability. + + This returns one of the four possible combinations of mode and speed + using the enum values of the protocol ASN H245_AudioCapability class. */ + virtual unsigned GetSubType() const; + + /* Get the name of the media data format this class represents. */ + virtual PString GetFormatName() const; +}; + +/* This class describes the VoiceAge G729A codec capability. */ +class AST_G729ACapability : public H323AudioCapability +{ + PCLASSINFO(AST_G729ACapability, H323AudioCapability); + +public: + /* Create a new G.729A capability. */ + AST_G729ACapability(int rx_frames = 24); + + /* Create a copy of the object. */ + virtual PObject * Clone() const; + /* Create the codec instance, allocating resources as required. */ + virtual H323Codec * CreateCodec(H323Codec::Direction direction) const; + + /* Get the sub-type of the capability. This is a code dependent on the + main type of the capability. + + This returns one of the four possible combinations of mode and speed + using the enum values of the protocol ASN H245_AudioCapability class. */ + virtual unsigned GetSubType() const; + + /* Get the name of the media data format this class represents. */ + virtual PString GetFormatName() const; +}; + +/* This class describes the GSM-06.10 codec capability. */ +class AST_GSM0610Capability : public H323AudioCapability +{ + PCLASSINFO(AST_GSM0610Capability, H323AudioCapability); + +public: + /* Create a new GSM capability. */ + AST_GSM0610Capability(int rx_frames = 24, int comfortNoise = 0, int scrambled = 0); + + /* Create a copy of the object. */ + virtual PObject * Clone() const; + + /* Create the codec instance, allocating resources as required. */ + virtual H323Codec * CreateCodec(H323Codec::Direction direction) const; + + /* Get the sub-type of the capability. This is a code dependent on the + main type of the capability. + + This returns one of the four possible combinations of mode and speed + using the enum values of the protocol ASN H245_AudioCapability class. */ + virtual unsigned GetSubType() const; + + /* Get the name of the media data format this class represents. */ + virtual PString GetFormatName() const; + + BOOL OnSendingPDU(H245_AudioCapability & pdu, unsigned packetSize) const; + BOOL OnReceivedPDU(const H245_AudioCapability & pdu, unsigned & packetSize); + +protected: + int comfortNoise; + int scrambled; +}; +#endif /* __AST_H323CAPS_H */ |