/usr/include/sipxtapi/mp/MprMixer.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) 2006 SIPez LLC.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// Copyright (C) 2004-2006 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// Copyright (C) 2004-2006 Pingtel Corp. All rights reserved.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// $$
///////////////////////////////////////////////////////////////////////////////
#ifndef _MprMixer_h_
#define _MprMixer_h_
// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include "mp/MpFlowGraphMsg.h"
#include "mp/MpAudioResource.h"
// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS
/**
* @brief The "Mixer" media processing resource
*/
class MprMixer : public MpAudioResource
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:
/* ============================ CREATORS ================================== */
///@name Creators
//@{
/// Constructor
MprMixer(const UtlString& rName, int numWeights);
/// Destructor
virtual
~MprMixer();
//@}
/* ============================ MANIPULATORS ============================== */
///@name Manipulators
//@{
/// Sets the weighting factors for the first "numWeights" inputs.
UtlBoolean setWeights(int *newWeights, int numWeights);
/**<
* For now, this method always returns TRUE.
*/
/// Sets the weighting factor for the "weightIndex" input.
UtlBoolean setWeight(int newWeight, int weightIndex);
/**<
* For now, this method always returns TRUE.
*/
//@}
/* ============================ ACCESSORS ================================= */
///@name Accessors
//@{
//@}
/* ============================ INQUIRY =================================== */
///@name Inquiry
//@{
//@}
/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:
/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:
typedef enum
{
SET_WEIGHT = MpFlowGraphMsg::RESOURCE_SPECIFIC_START,
SET_WEIGHTS
} AddlMsgTypes;
enum { MAX_MIXER_INPUTS = 10 };
int mWeights[MAX_MIXER_INPUTS];
int mNumWeights;
int mScale;
virtual UtlBoolean doProcessFrame(MpBufPtr inBufs[],
MpBufPtr outBufs[],
int inBufsSize,
int outBufsSize,
UtlBoolean isEnabled,
int samplesPerFrame,
int samplesPerSecond);
/// Handle messages for this resource.
virtual UtlBoolean handleMessage(MpFlowGraphMsg& rMsg);
/// Handle the @link MprMixer::SET_WEIGHT SET_WEIGHT @endlink message.
UtlBoolean handleSetWeight(int newWeight, int weightIndex);
/// Handle the @link MprMixer::SET_WEIGHTS SET_WEIGHTS @endlink message.
UtlBoolean handleSetWeights(int *newWeights, int numWeights);
/// Copy constructor (not implemented for this class)
MprMixer(const MprMixer& rMprMixer);
/// Assignment operator (not implemented for this class)
MprMixer& operator=(const MprMixer& rhs);
};
/* ============================ INLINE METHODS ============================ */
#endif // _MprMixer_h_
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