/usr/include/sipxtapi/mp/MprSpeakerSelector.h is in libsipxtapi-dev 3.3.0~test17-2.1.
This file is owned by root:root, with mode 0o644.
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// Copyright (C) 2008 SIPez LLC.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// Copyright (C) 2008 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// $$
///////////////////////////////////////////////////////////////////////////////
// Author: Alexander Chemeris <Alexander DOT Chemeris AT sipez DOT com>
#ifndef _MprSpeakerSelector_h_
#define _MprSpeakerSelector_h_
// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include <mp/MpAudioResource.h>
#include <mp/MpResourceMsg.h>
// DEFINES
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// MACROS
// FORWARD DECLARATIONS
class MpSpeakerSelectBase;
/**
* @brief The Speaker Selection resource.
*
*/
class MprSpeakerSelector : public MpAudioResource
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:
/* ============================ CREATORS ================================== */
///@name Creators
//@{
/// Constructor
MprSpeakerSelector(const UtlString& rName,
int maxInputs,
int maxOutputs,
int maxActiveSpeakers,
const UtlString &algorithmName = "");
/// Constructor
MprSpeakerSelector(const UtlString& rName,
int maxInputs,
int maxOutputs,
int maxActiveSpeakers,
MpSpeakerSelectBase *pSS);
/**<
* Use this constructor for debug purposes only! Usage of constructor
* specifying Speaker Selection algorithm by name is strongly encouraged.
*/
/// Destructor
virtual ~MprSpeakerSelector();
//@}
/* ============================ MANIPULATORS ============================== */
///@name Manipulators
//@{
/// Change Speaker Selection algorithm to the given one.
OsStatus chageAlgorithm(const UtlString& namedResource,
OsMsgQ& fgQ,
const UtlString &algorithmName);
/**<
* @param[in] algorithmName - name of the Speaker Selection algorithm
* to use. If empty string of incorrect name is given, default
* Speaker Selection algorithm will be used and no error is
* generated.
*/
//@}
/* ============================ ACCESSORS ================================= */
///@name Accessors
//@{
//@}
/* ============================ INQUIRY =================================== */
///@name Inquiry
//@{
//@}
/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:
typedef enum
{
MPRM_CHANGE_ALGORITHM = MpResourceMsg::MPRM_EXTERNAL_MESSAGE_START
} AddlMsgTypes;
struct RankIndexPair
{
unsigned mRank; ///< Rank of a speaker, as set by Speaker Selection algorithm.
int mIndex; ///< Index of a speaker in mpFrameParams array.
};
UtlBoolean mDynamicInputMapping; ///< Are inputs to outputs mapped dynamically
///< or statically one-to-one?
int mNumStreams; ///< Maximum number of speakers we can process.
MpSpeakerSelectBase *mpSS; ///< Instance of Speaker Selection algorithm.
UtlBoolean mSsFresh; ///< Have algorithm been just initialized or reseted?
MpSpeechParams **mpFrameParams; ///< Array of pointers to frame parameters
///< for incoming frames.
int mMaxActiveSpeakers; ///< Number of speakers we want to mix.
RankIndexPair *mTopRanks; ///< Array of top ranked speakers, sorted by rank.
int *mInToOutMap; ///< Mapping of inputs to outputs.
int *mOutToInMap; ///< Mapping of outputs to inputs.
uint32_t mMapTime;
int *mChangeMapTime;
/// @copydoc MpResource::connectInput()
UtlBoolean connectInput(MpResource& rFrom, int fromPortIdx, int toPortIdx);
/// @copydoc MpResource::connectOutput()
UtlBoolean connectOutput(MpResource& rTo, int toPortIdx, int fromPortIdx);
/// @copydoc MpResource::disconnectInput()
UtlBoolean disconnectInput(int outPortIdx);
/// @copydoc MpResource::disconnectOutput()
UtlBoolean disconnectOutput(int outPortIdx);
/// @copydoc MpResource::setFlowGraph()
OsStatus setFlowGraph(MpFlowGraphBase* pFlowGraph);
/// @copydoc MpAudioResource::doProcessFrame()
UtlBoolean doProcessFrame(MpBufPtr inBufs[],
MpBufPtr outBufs[],
int inBufsSize,
int outBufsSize,
UtlBoolean isEnabled,
int samplesPerFrame,
int samplesPerSecond);
/// @copydoc MpResource::handleMessage()
UtlBoolean handleMessage(MpResourceMsg& rMsg);
/// @copydoc MpResource::handleEnable()
UtlBoolean handleEnable();
/// @copydoc MpResource::handleDisable()
UtlBoolean handleDisable();
/// Handle MPRM_CHANGE_ALGORITHM message.
UtlBoolean handleChangeAlgorithm(const UtlString &algorithmName);
/// Enable participants in algorithm whose streams are connected.
void enableConnectedStreams();
/**<
* This method is usually called when algorithm is reseted or changed
* when resource is already connected.
*/
/// Peek top ranked speakers from the list.
static void peekTopSpeakers(MpSpeechParams **frameParams, int frameParamsNum,
RankIndexPair *topRanks, int topRanksNum);
void updateMapping(RankIndexPair *topRanks, int topRanksNum);
inline int getOldestOutput();
inline int getOutputForInput(int inputNum);
/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:
/// Copy constructor (not implemented for this class)
MprSpeakerSelector(const MprSpeakerSelector& rMprSpeakerSelector);
/// Assignment operator (not implemented for this class)
MprSpeakerSelector& operator=(const MprSpeakerSelector& rhs);
};
/* ============================ INLINE METHODS ============================ */
#endif // _MprSpeakerSelector_h_
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