/usr/include/sipxtapi/mp/MpJitterBufferEstimation.h is in libsipxtapi-dev 3.3.0~test17-1.
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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.Chemeris AT SIPez DOT com>
#ifndef _MpJitterBufferEstimation_h_
#define _MpJitterBufferEstimation_h_
// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include <os/OsIntTypes.h>
#include <os/OsStatus.h>
#include <utl/UtlString.h>
// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS
struct RtpHeader;
/**
* @brief Abstract base class for Jitter Buffer Estimation (JBE) algorithms.
*/
class MpJitterBufferEstimation
{
/* //////////////////////////////// PUBLIC //////////////////////////////// */
public:
/* =============================== CREATORS =============================== */
///@name Creators
//@{
/// Destructor
virtual ~MpJitterBufferEstimation() {};
/// Initialize algorithm with given samplerate.
virtual OsStatus init(int samplerate) = 0;
/**
* Should be called before any other class methods.
*/
/// Factory method for VAD algorithms creation.
static MpJitterBufferEstimation *createJbe(const UtlString &algName = "");
/**<
* @param[in] algName - name of JBE algorithm to use. Use empty string
* to get default algorithm.
*
* @returns Method never returns NULL. If appropriate JBE algorithm is
* not found, default one is returned.
*/
//@}
/* ============================= MANIPULATORS ============================= */
///@name Manipulators
//@{
/// Update estimation with new received packet.
virtual OsStatus update(const RtpHeader *rtp,
uint32_t cur_rtp_timestamp,
uint32_t cur_playback_time,
int32_t *hint) = 0;
/// Set algorithm to be used by default.
static void setDefaultAlgorithm(const UtlString& name);
/**<
* Initially default algorithm is defined at compile time. Using this
* function you can change default algorithm at run-time or switch back to
* compile-time default.
*
* @param[in] name - name of algorithm to use by default. Reverts to
* compile-time default if empty.
*/
/// Prepare to process other unrelated audio stream.
virtual void reset() = 0;
/**<
* Only initialized algorithm can be reseted. Calling reset() should
* bring algorithm to the original state as it was right after init().
* So init() should NOT be called after reset().
*/
//@}
/* ============================== ACCESSORS =============================== */
///@name Accessors
//@{
//@}
/* =============================== INQUIRY ================================ */
///@name Inquiry
//@{
//@}
/* ////////////////////////////// PROTECTED /////////////////////////////// */
protected:
static UtlString smDefaultAlgorithm; ///< Name of algorithm to be used by default.
/* /////////////////////////////// PRIVATE //////////////////////////////// */
private:
};
/* ============================ INLINE METHODS ============================ */
#endif // _MpJitterBufferEstimation_h_
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