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125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
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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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