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aflibAudioEdit.h

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/*
 * Copyright: (C) 1999-2001 Bruce W. Forsberg
 *
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or any later version.
 *
 *   This library is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *   Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 *
 *   Bruce Forsberg  forsberg@tns.net
 *
 */


#ifndef _AFLIBAUDIOEDIT_H_
#define _AFLIBAUDIOEDIT_H_

#include <list>
#include <set>

#include "aflibAudio.h"
#include "aflibEditClip.h"

class aflibAudioEdit : public aflibAudio {

public:

   // Available contructors and destructors
   aflibAudioEdit(aflibAudio& audio);
   ~aflibAudioEdit();

   // Add and remove segments
   void
   addSegment(
      int  input,
      long long input_start_position,
      long long input_stop_position,
      long long output_insert_position,
      double    factor = 1.0);

   void
   addSegment(
      int  input,
      double input_start_seconds,
      double input_stop_seconds,
      double output_insert_seconds,
      double factor = 1.0);

   void
   removeSegment(int seg_num);

   void
   removeSegment(
      long long output_start_position,
      long long output_stop_position);

   void
   removeSegment(
      double output_start_seconds,
      double output_stop_seconds);

   // Obtain information
   int
   getNumberOfSegments();

   void
   getSegment(
      int segment_number,
      int&  input,
      long long& input_start_position,
      long long& input_stop_position,
      long long& output_start_position,
      long long& output_stop_position,
      double&    factor);

   void
   getSegment(
      int segment_number,
      int&  input,
      double& input_start_seconds,
      double& input_stop_seconds,
      double& output_start_seconds,
      double& output_stop_seconds,
      double& factor);

   // Perform Undo / Redo of an audio edit
   aflibUndoRedo
   getUndoRedoStatus() const;

   void
   performUndoRedo();

   aflibStatus
   compute_segment(
      list<aflibData *>& data,
      long long position = -1) ;

   aflibData *
   process(
      aflibStatus& ret_status,
      long long position,
      int& num_samples,
      bool free_memory = TRUE) ;

   const char *
   getName() const { return "aflibAudioEdit";};

   // Callbacks from afChain
   void
   parentWasDestroyed(int parent_id);

   void
   parentWasAdded(int parent_id) ;

   void
   setInputConfig(const aflibConfig& cfg);

   bool
   isDataSizeSupported(aflib_data_size size);
 
   bool
   isEndianSupported(aflib_data_endian end);
 
   bool
   isSampleRateSupported(int& rate);

   bool
   isChannelsSupported(int& channels);

private:

   aflibAudioEdit();

   aflibAudioEdit(const aflibAudioEdit& op);

   const aflibAudioEdit&
   operator=(const aflibAudioEdit& op);

   void
   printClips();

   void
   recomputeConfig();

   // Add and remove inputs
   void
   addInput(int input);

   void
   removeInput(int input);

list<int>  _input_array;
set< aflibEditClip, less < aflibEditClip > > _clip_array;

};


#endif

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